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+Maintainer-email: lxml@lxml.de +License: BSD-3-Clause +Project-URL: Source, https://github.com/lxml/lxml +Project-URL: Bug Tracker, https://bugs.launchpad.net/lxml +Classifier: Development Status :: 5 - Production/Stable +Classifier: Intended Audience :: Developers +Classifier: Intended Audience :: Information Technology +Classifier: Programming Language :: Cython +Classifier: Programming Language :: Python :: 3 +Classifier: Programming Language :: Python :: 3.8 +Classifier: Programming Language :: Python :: 3.9 +Classifier: Programming Language :: Python :: 3.10 +Classifier: Programming Language :: Python :: 3.11 +Classifier: Programming Language :: Python :: 3.12 +Classifier: Programming Language :: Python :: 3.13 +Classifier: Programming Language :: Python :: 3.14 +Classifier: Programming Language :: Python :: 3.15 +Classifier: Programming Language :: C +Classifier: Operating System :: OS Independent +Classifier: Topic :: Text Processing :: Markup :: HTML +Classifier: Topic :: Text Processing :: Markup :: XML +Classifier: Topic :: Software Development :: Libraries :: Python Modules +Requires-Python: >=3.8 +License-File: LICENSE.txt +License-File: LICENSES.txt +Provides-Extra: source +Provides-Extra: cssselect +Requires-Dist: cssselect>=0.7; extra == "cssselect" +Provides-Extra: html5 +Requires-Dist: html5lib; extra == "html5" +Provides-Extra: htmlsoup +Requires-Dist: BeautifulSoup4; extra == "htmlsoup" +Provides-Extra: html-clean +Requires-Dist: lxml_html_clean; extra == "html-clean" +Dynamic: author +Dynamic: author-email +Dynamic: classifier +Dynamic: description +Dynamic: home-page +Dynamic: license +Dynamic: license-file +Dynamic: maintainer +Dynamic: maintainer-email +Dynamic: project-url +Dynamic: provides-extra +Dynamic: requires-python +Dynamic: summary + +lxml is a Pythonic, mature binding for the libxml2 and libxslt libraries. +It provides safe and convenient access to these libraries using the +ElementTree API. + +It extends the ElementTree API significantly to offer support for XPath, +RelaxNG, XML Schema, XSLT, C14N and much more. + +To contact the project, go to the `project home page `_ +or see our bug tracker at https://launchpad.net/lxml + +In case you want to use the current in-development version of lxml, +you can get it from the github repository at +https://github.com/lxml/lxml . Note that this requires Cython to +build the sources, see the build instructions on the project home page. + + +After an official release of a new stable series, bug fixes may become available at +https://github.com/lxml/lxml/tree/lxml-6.1 . +Running ``pip install https://github.com/lxml/lxml/archive/refs/heads/lxml-6.1.tar.gz`` +will install the unreleased branch state as soon as a maintenance branch has been established. +Note that this requires Cython to be installed at an appropriate version for the build. + +6.1.3 (2026-09-02) +================== + +Bugs fixed +---------- + +* LP#2165901: External parameter entity parsing was allowed by default + (with ``resolve_entities="internal"``). + Issue found by Tomer Fichman. + + diff --git a/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/RECORD b/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/RECORD new file mode 100644 index 0000000000000000000000000000000000000000..e9025820d85e7939b2487d79f9342faacb7646fa --- /dev/null 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a/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/licenses/LICENSE.txt b/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/licenses/LICENSE.txt new file mode 100644 index 0000000000000000000000000000000000000000..0bdf03913ffdfd09be5a524c9303bd54a132d450 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/licenses/LICENSE.txt @@ -0,0 +1,31 @@ +BSD 3-Clause License + +Copyright (c) 2004 Infrae. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + + 3. Neither the name of Infrae nor the names of its contributors may + be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INFRAE OR +CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/licenses/LICENSES.txt b/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/licenses/LICENSES.txt new file mode 100644 index 0000000000000000000000000000000000000000..fa56d69c930f414ac6d01a4a65c4e20e2d8540ab --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/licenses/LICENSES.txt @@ -0,0 +1,127 @@ +lxml is copyright Infrae and distributed under the BSD license (see +doc/licenses/BSD.txt), with the following exceptions: + +Some code, such a selftest.py, selftest2.py and +src/lxml/_elementpath.py are derived from ElementTree and +cElementTree. See doc/licenses/elementtree.txt for the license text. +Newer versions reuse code from CPython's 'xml.etree' implementation, +licensed under the PSF-License v2. +See https://docs.python.org/3/license.html + +A copy of difflib is used as part of lxml.html, forked from the CPython +standard library and licensed under the PSF-License v2. +See https://docs.python.org/3/license.html + +lxml.cssselect and lxml.html are copyright Ian Bicking and distributed +under the BSD license (see doc/licenses/BSD.txt). + +test.py, the test-runner script, is GPL and copyright Shuttleworth +Foundation. See doc/licenses/GPL.txt. It is believed the unchanged +inclusion of test.py to run the unit test suite falls under the +"aggregation" clause of the GPL and thus does not affect the license +of the rest of the package. + +The isoschematron implementation uses several XSL and RelaxNG resources: + * The (XML syntax) RelaxNG schema for schematron, copyright International + Organization for Standardization (see + src/lxml/isoschematron/resources/rng/iso-schematron.rng for the license + text) + * The skeleton iso-schematron-xlt1 pure-xslt schematron implementation + xsl stylesheets, copyright Rick Jelliffe and Academia Sinica Computing + Center, Taiwan (see the xsl files here for the license text: + src/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/) + * The xsd/rng schema schematron extraction xsl transformations are unlicensed + and copyright the respective authors as noted (see + src/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl and + src/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl) + + +Binary wheels +------------- + +The officiall distributed binary wheels include bundled versions of the libraries +zlib, iconv, libxml2, libxslt and libexslt. +These libraries are linked, used and distributed under their following +respective licenses: + +**zlib**: zlib-license, https://www.zlib.net/zlib_license.html + +**iconv**: LGPL 2.1, https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html + +**libxml2**: MIT + +Except where otherwise noted in the source code (e.g. the files dict.c and +list.c, which are covered by a similar licence but with different Copyright +notices) all the files are: + + Copyright (C) 1998-2012 Daniel Veillard. All Rights Reserved. + Copyright (C) The Libxml2 Contributors. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is fur- +nished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FIT- +NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. + +**libxslt**: MIT + + Copyright (C) 2001-2002 Daniel Veillard. All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is fur- +nished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FIT- +NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +DANIEL VEILLARD BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON- +NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Daniel Veillard shall not +be used in advertising or otherwise to promote the sale, use or other deal- +ings in this Software without prior written authorization from him. + +**libexslt**: MIT + + Copyright (C) 2001-2002 Thomas Broyer, Charlie Bozeman and Daniel Veillard. + All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is fur- +nished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FIT- +NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CON- +NECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the authors shall not +be used in advertising or otherwise to promote the sale, use or other deal- +ings in this Software without prior written authorization from him. diff --git a/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/top_level.txt b/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/top_level.txt new file mode 100644 index 0000000000000000000000000000000000000000..ab90481d5d75200bdc779014d93d69ff85bf9742 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml-6.1.3.dist-info/top_level.txt @@ -0,0 +1 @@ +lxml diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/libxslt/xsltlocale.h b/.venv/lib/python3.12/site-packages/lxml/includes/libxslt/xsltlocale.h new file mode 100644 index 0000000000000000000000000000000000000000..c8be58d3dbef5e311da65a7ef9bdf9074bcc483d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/libxslt/xsltlocale.h @@ -0,0 +1,44 @@ +/* + * Summary: Locale handling + * Description: Interfaces for locale handling. Needed for language dependent + * sorting. + * + * Copy: See Copyright for the status of this software. + * + * Author: Nick Wellnhofer + */ + +#ifndef __XML_XSLTLOCALE_H__ +#define __XML_XSLTLOCALE_H__ + +#include +#include "xsltexports.h" + +#ifdef __cplusplus +extern "C" { +#endif + +XSLTPUBFUN void * XSLTCALL + xsltNewLocale (const xmlChar *langName, + int lowerFirst); +XSLTPUBFUN void XSLTCALL + xsltFreeLocale (void *locale); +XSLTPUBFUN xmlChar * XSLTCALL + xsltStrxfrm (void *locale, + const xmlChar *string); +XSLTPUBFUN void XSLTCALL + xsltFreeLocales (void); + +/* Backward compatibility */ +typedef void *xsltLocale; +typedef xmlChar xsltLocaleChar; +XSLTPUBFUN int XSLTCALL + xsltLocaleStrcmp (void *locale, + const xmlChar *str1, + const xmlChar *str2); + +#ifdef __cplusplus +} +#endif + +#endif /* __XML_XSLTLOCALE_H__ */ diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/libxslt/xsltutils.h b/.venv/lib/python3.12/site-packages/lxml/includes/libxslt/xsltutils.h new file mode 100644 index 0000000000000000000000000000000000000000..2514774b3f11a0c0dd3069484b31c8a282d1d411 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/libxslt/xsltutils.h @@ -0,0 +1,343 @@ +/* + * Summary: set of utilities for the XSLT engine + * Description: interfaces for the utilities module of the XSLT engine. + * things like message handling, profiling, and other + * generally useful routines. + * + * Copy: See Copyright for the status of this software. + * + * Author: Daniel Veillard + */ + +#ifndef __XML_XSLTUTILS_H__ +#define __XML_XSLTUTILS_H__ + +#include +#include +#include +#include +#include "xsltexports.h" +#include "xsltInternals.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * XSLT_TODO: + * + * Macro to flag unimplemented blocks. + */ +#define XSLT_TODO \ + xsltGenericError(xsltGenericErrorContext, \ + "Unimplemented block at %s:%d\n", \ + __FILE__, __LINE__); + +/** + * XSLT_STRANGE: + * + * Macro to flag that a problem was detected internally. + */ +#define XSLT_STRANGE \ + xsltGenericError(xsltGenericErrorContext, \ + "Internal error at %s:%d\n", \ + __FILE__, __LINE__); + +/** + * IS_XSLT_ELEM: + * + * Checks that the element pertains to XSLT namespace. + */ +#define IS_XSLT_ELEM(n) \ + (((n) != NULL) && ((n)->type == XML_ELEMENT_NODE) && \ + ((n)->ns != NULL) && (xmlStrEqual((n)->ns->href, XSLT_NAMESPACE))) + +/** + * IS_XSLT_NAME: + * + * Checks the value of an element in XSLT namespace. + */ +#define IS_XSLT_NAME(n, val) \ + (xmlStrEqual((n)->name, (const xmlChar *) (val))) + +/** + * IS_XSLT_REAL_NODE: + * + * Check that a node is a 'real' one: document, element, text or attribute. + */ +#define IS_XSLT_REAL_NODE(n) \ + (((n) != NULL) && \ + (((n)->type == XML_ELEMENT_NODE) || \ + ((n)->type == XML_TEXT_NODE) || \ + ((n)->type == XML_CDATA_SECTION_NODE) || \ + ((n)->type == XML_ATTRIBUTE_NODE) || \ + ((n)->type == XML_DOCUMENT_NODE) || \ + ((n)->type == XML_HTML_DOCUMENT_NODE) || \ + ((n)->type == XML_COMMENT_NODE) || \ + ((n)->type == XML_PI_NODE))) + +/* + * Our own version of namespaced attributes lookup. + */ +XSLTPUBFUN xmlChar * XSLTCALL + xsltGetNsProp (xmlNodePtr node, + const xmlChar *name, + const xmlChar *nameSpace); +XSLTPUBFUN const xmlChar * XSLTCALL + xsltGetCNsProp (xsltStylesheetPtr style, + xmlNodePtr node, + const xmlChar *name, + const xmlChar *nameSpace); +XSLTPUBFUN int XSLTCALL + xsltGetUTF8Char (const unsigned char *utf, + int *len); +#ifdef IN_LIBXSLT +/** DOC_DISABLE */ +XSLTPUBFUN int XSLTCALL + xsltGetUTF8CharZ (const unsigned char *utf, + int *len); +/** DOC_ENABLE */ +#endif + +/* + * XSLT Debug Tracing Tracing Types + */ +typedef enum { + XSLT_TRACE_ALL = -1, + XSLT_TRACE_NONE = 0, + XSLT_TRACE_COPY_TEXT = 1<<0, + XSLT_TRACE_PROCESS_NODE = 1<<1, + XSLT_TRACE_APPLY_TEMPLATE = 1<<2, + XSLT_TRACE_COPY = 1<<3, + XSLT_TRACE_COMMENT = 1<<4, + XSLT_TRACE_PI = 1<<5, + XSLT_TRACE_COPY_OF = 1<<6, + XSLT_TRACE_VALUE_OF = 1<<7, + XSLT_TRACE_CALL_TEMPLATE = 1<<8, + XSLT_TRACE_APPLY_TEMPLATES = 1<<9, + XSLT_TRACE_CHOOSE = 1<<10, + XSLT_TRACE_IF = 1<<11, + XSLT_TRACE_FOR_EACH = 1<<12, + XSLT_TRACE_STRIP_SPACES = 1<<13, + XSLT_TRACE_TEMPLATES = 1<<14, + XSLT_TRACE_KEYS = 1<<15, + XSLT_TRACE_VARIABLES = 1<<16 +} xsltDebugTraceCodes; + +/** + * XSLT_TRACE: + * + * Control the type of xsl debugtrace messages emitted. + */ +#define XSLT_TRACE(ctxt,code,call) \ + if (ctxt->traceCode && (*(ctxt->traceCode) & code)) \ + call + +XSLTPUBFUN void XSLTCALL + xsltDebugSetDefaultTrace(xsltDebugTraceCodes val); +XSLTPUBFUN xsltDebugTraceCodes XSLTCALL + xsltDebugGetDefaultTrace(void); + +/* + * XSLT specific error and debug reporting functions. + */ +XSLTPUBVAR xmlGenericErrorFunc xsltGenericError; +XSLTPUBVAR void *xsltGenericErrorContext; +XSLTPUBVAR xmlGenericErrorFunc xsltGenericDebug; +XSLTPUBVAR void *xsltGenericDebugContext; + +XSLTPUBFUN void XSLTCALL + xsltPrintErrorContext (xsltTransformContextPtr ctxt, + xsltStylesheetPtr style, + xmlNodePtr node); +XSLTPUBFUN void XSLTCALL + xsltMessage (xsltTransformContextPtr ctxt, + xmlNodePtr node, + xmlNodePtr inst); +XSLTPUBFUN void XSLTCALL + xsltSetGenericErrorFunc (void *ctx, + xmlGenericErrorFunc handler); +XSLTPUBFUN void XSLTCALL + xsltSetGenericDebugFunc (void *ctx, + xmlGenericErrorFunc handler); +XSLTPUBFUN void XSLTCALL + xsltSetTransformErrorFunc (xsltTransformContextPtr ctxt, + void *ctx, + xmlGenericErrorFunc handler); +XSLTPUBFUN void XSLTCALL + xsltTransformError (xsltTransformContextPtr ctxt, + xsltStylesheetPtr style, + xmlNodePtr node, + const char *msg, + ...) LIBXSLT_ATTR_FORMAT(4,5); + +XSLTPUBFUN int XSLTCALL + xsltSetCtxtParseOptions (xsltTransformContextPtr ctxt, + int options); +/* + * Sorting. + */ + +XSLTPUBFUN void XSLTCALL + xsltDocumentSortFunction (xmlNodeSetPtr list); +XSLTPUBFUN void XSLTCALL + xsltSetSortFunc (xsltSortFunc handler); +XSLTPUBFUN void XSLTCALL + xsltSetCtxtSortFunc (xsltTransformContextPtr ctxt, + xsltSortFunc handler); +XSLTPUBFUN void XSLTCALL + xsltSetCtxtLocaleHandlers (xsltTransformContextPtr ctxt, + xsltNewLocaleFunc newLocale, + xsltFreeLocaleFunc freeLocale, + xsltGenSortKeyFunc genSortKey); +XSLTPUBFUN void XSLTCALL + xsltDefaultSortFunction (xsltTransformContextPtr ctxt, + xmlNodePtr *sorts, + int nbsorts); +XSLTPUBFUN void XSLTCALL + xsltDoSortFunction (xsltTransformContextPtr ctxt, + xmlNodePtr * sorts, + int nbsorts); +XSLTPUBFUN xmlXPathObjectPtr * XSLTCALL + xsltComputeSortResult (xsltTransformContextPtr ctxt, + xmlNodePtr sort); + +/* + * QNames handling. + */ + +XSLTPUBFUN const xmlChar * XSLTCALL + xsltSplitQName (xmlDictPtr dict, + const xmlChar *name, + const xmlChar **prefix); +XSLTPUBFUN const xmlChar * XSLTCALL + xsltGetQNameURI (xmlNodePtr node, + xmlChar **name); + +XSLTPUBFUN const xmlChar * XSLTCALL + xsltGetQNameURI2 (xsltStylesheetPtr style, + xmlNodePtr node, + const xmlChar **name); + +/* + * Output, reuse libxml I/O buffers. + */ +XSLTPUBFUN int XSLTCALL + xsltSaveResultTo (xmlOutputBufferPtr buf, + xmlDocPtr result, + xsltStylesheetPtr style); +XSLTPUBFUN int XSLTCALL + xsltSaveResultToFilename (const char *URI, + xmlDocPtr result, + xsltStylesheetPtr style, + int compression); +XSLTPUBFUN int XSLTCALL + xsltSaveResultToFile (FILE *file, + xmlDocPtr result, + xsltStylesheetPtr style); +XSLTPUBFUN int XSLTCALL + xsltSaveResultToFd (int fd, + xmlDocPtr result, + xsltStylesheetPtr style); +XSLTPUBFUN int XSLTCALL + xsltSaveResultToString (xmlChar **doc_txt_ptr, + int * doc_txt_len, + xmlDocPtr result, + xsltStylesheetPtr style); + +/* + * XPath interface + */ +XSLTPUBFUN xmlXPathCompExprPtr XSLTCALL + xsltXPathCompile (xsltStylesheetPtr style, + const xmlChar *str); +XSLTPUBFUN xmlXPathCompExprPtr XSLTCALL + xsltXPathCompileFlags (xsltStylesheetPtr style, + const xmlChar *str, + int flags); + +#ifdef IN_LIBXSLT +/** DOC_DISABLE */ +#define XSLT_SOURCE_NODE_MASK 15u +#define XSLT_SOURCE_NODE_HAS_KEY 1u +#define XSLT_SOURCE_NODE_HAS_ID 2u +int +xsltGetSourceNodeFlags(xmlNodePtr node); +int +xsltSetSourceNodeFlags(xsltTransformContextPtr ctxt, xmlNodePtr node, + int flags); +int +xsltClearSourceNodeFlags(xmlNodePtr node, int flags); +void ** +xsltGetPSVIPtr(xmlNodePtr cur); +/** DOC_ENABLE */ +#endif + +#ifdef WITH_PROFILER +/* + * Profiling. + */ +XSLTPUBFUN void XSLTCALL + xsltSaveProfiling (xsltTransformContextPtr ctxt, + FILE *output); +XSLTPUBFUN xmlDocPtr XSLTCALL + xsltGetProfileInformation (xsltTransformContextPtr ctxt); + +XSLTPUBFUN long XSLTCALL + xsltTimestamp (void); +XSLTPUBFUN void XSLTCALL + xsltCalibrateAdjust (long delta); +#endif + +/** + * XSLT_TIMESTAMP_TICS_PER_SEC: + * + * Sampling precision for profiling + */ +#define XSLT_TIMESTAMP_TICS_PER_SEC 100000l + +/* + * Hooks for the debugger. + */ + +typedef enum { + XSLT_DEBUG_NONE = 0, /* no debugging allowed */ + XSLT_DEBUG_INIT, + XSLT_DEBUG_STEP, + XSLT_DEBUG_STEPOUT, + XSLT_DEBUG_NEXT, + XSLT_DEBUG_STOP, + XSLT_DEBUG_CONT, + XSLT_DEBUG_RUN, + XSLT_DEBUG_RUN_RESTART, + XSLT_DEBUG_QUIT +} xsltDebugStatusCodes; + +XSLTPUBVAR int xslDebugStatus; + +typedef void (*xsltHandleDebuggerCallback) (xmlNodePtr cur, xmlNodePtr node, + xsltTemplatePtr templ, xsltTransformContextPtr ctxt); +typedef int (*xsltAddCallCallback) (xsltTemplatePtr templ, xmlNodePtr source); +typedef void (*xsltDropCallCallback) (void); + +XSLTPUBFUN int XSLTCALL + xsltGetDebuggerStatus (void); +#ifdef WITH_DEBUGGER +XSLTPUBFUN void XSLTCALL + xsltSetDebuggerStatus (int value); +XSLTPUBFUN int XSLTCALL + xsltSetDebuggerCallbacks (int no, void *block); +XSLTPUBFUN int XSLTCALL + xslAddCall (xsltTemplatePtr templ, + xmlNodePtr source); +XSLTPUBFUN void XSLTCALL + xslDropCall (void); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* __XML_XSLTUTILS_H__ */ + + diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/lxml-version.h b/.venv/lib/python3.12/site-packages/lxml/includes/lxml-version.h new file mode 100644 index 0000000000000000000000000000000000000000..f28c1cf114267b1c8cc3cf7cd5c3542108d3d66d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/lxml-version.h @@ -0,0 +1,3 @@ +#ifndef LXML_VERSION_STRING +#define LXML_VERSION_STRING "6.1.3" +#endif diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/relaxng.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/relaxng.pxd new file mode 100644 index 0000000000000000000000000000000000000000..5ac96711e7b8124400fe6a8acb59f0e4192d2949 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/relaxng.pxd @@ -0,0 +1,64 @@ +from lxml.includes.tree cimport xmlDoc +from lxml.includes.xmlerror cimport xmlStructuredErrorFunc + +cdef extern from "libxml/relaxng.h" nogil: + ctypedef struct xmlRelaxNG + ctypedef struct xmlRelaxNGParserCtxt + + ctypedef struct xmlRelaxNGValidCtxt + + ctypedef enum xmlRelaxNGValidErr: + XML_RELAXNG_OK = 0 + XML_RELAXNG_ERR_MEMORY = 1 + XML_RELAXNG_ERR_TYPE = 2 + XML_RELAXNG_ERR_TYPEVAL = 3 + XML_RELAXNG_ERR_DUPID = 4 + XML_RELAXNG_ERR_TYPECMP = 5 + XML_RELAXNG_ERR_NOSTATE = 6 + XML_RELAXNG_ERR_NODEFINE = 7 + XML_RELAXNG_ERR_LISTEXTRA = 8 + XML_RELAXNG_ERR_LISTEMPTY = 9 + XML_RELAXNG_ERR_INTERNODATA = 10 + XML_RELAXNG_ERR_INTERSEQ = 11 + XML_RELAXNG_ERR_INTEREXTRA = 12 + XML_RELAXNG_ERR_ELEMNAME = 13 + XML_RELAXNG_ERR_ATTRNAME = 14 + XML_RELAXNG_ERR_ELEMNONS = 15 + XML_RELAXNG_ERR_ATTRNONS = 16 + XML_RELAXNG_ERR_ELEMWRONGNS = 17 + XML_RELAXNG_ERR_ATTRWRONGNS = 18 + XML_RELAXNG_ERR_ELEMEXTRANS = 19 + XML_RELAXNG_ERR_ATTREXTRANS = 20 + XML_RELAXNG_ERR_ELEMNOTEMPTY = 21 + XML_RELAXNG_ERR_NOELEM = 22 + XML_RELAXNG_ERR_NOTELEM = 23 + XML_RELAXNG_ERR_ATTRVALID = 24 + XML_RELAXNG_ERR_CONTENTVALID = 25 + XML_RELAXNG_ERR_EXTRACONTENT = 26 + XML_RELAXNG_ERR_INVALIDATTR = 27 + XML_RELAXNG_ERR_DATAELEM = 28 + XML_RELAXNG_ERR_VALELEM = 29 + XML_RELAXNG_ERR_LISTELEM = 30 + XML_RELAXNG_ERR_DATATYPE = 31 + XML_RELAXNG_ERR_VALUE = 32 + XML_RELAXNG_ERR_LIST = 33 + XML_RELAXNG_ERR_NOGRAMMAR = 34 + XML_RELAXNG_ERR_EXTRADATA = 35 + XML_RELAXNG_ERR_LACKDATA = 36 + XML_RELAXNG_ERR_INTERNAL = 37 + XML_RELAXNG_ERR_ELEMWRONG = 38 + XML_RELAXNG_ERR_TEXTWRONG = 39 + + cdef xmlRelaxNGValidCtxt* xmlRelaxNGNewValidCtxt(xmlRelaxNG* schema) + cdef int xmlRelaxNGValidateDoc(xmlRelaxNGValidCtxt* ctxt, xmlDoc* doc) + cdef xmlRelaxNG* xmlRelaxNGParse(xmlRelaxNGParserCtxt* ctxt) + cdef xmlRelaxNGParserCtxt* xmlRelaxNGNewParserCtxt(char* URL) + cdef xmlRelaxNGParserCtxt* xmlRelaxNGNewDocParserCtxt(xmlDoc* doc) + cdef void xmlRelaxNGFree(xmlRelaxNG* schema) + cdef void xmlRelaxNGFreeParserCtxt(xmlRelaxNGParserCtxt* ctxt) + cdef void xmlRelaxNGFreeValidCtxt(xmlRelaxNGValidCtxt* ctxt) + + cdef void xmlRelaxNGSetValidStructuredErrors( + xmlRelaxNGValidCtxt* ctxt, xmlStructuredErrorFunc serror, void *ctx) + cdef void xmlRelaxNGSetParserStructuredErrors( + xmlRelaxNGParserCtxt* ctxt, xmlStructuredErrorFunc serror, void *ctx) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/schematron.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/schematron.pxd new file mode 100644 index 0000000000000000000000000000000000000000..181248afd6ab89811c896f2992aa8bf4c69affe9 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/schematron.pxd @@ -0,0 +1,34 @@ +from lxml.includes cimport xmlerror +from lxml.includes.tree cimport xmlDoc + +cdef extern from "libxml/schematron.h" nogil: + ctypedef struct xmlSchematron + ctypedef struct xmlSchematronParserCtxt + ctypedef struct xmlSchematronValidCtxt + + ctypedef enum xmlSchematronValidOptions: + XML_SCHEMATRON_OUT_QUIET = 1 # quiet no report + XML_SCHEMATRON_OUT_TEXT = 2 # build a textual report + XML_SCHEMATRON_OUT_XML = 4 # output SVRL + XML_SCHEMATRON_OUT_ERROR = 8 # output via xmlStructuredErrorFunc + XML_SCHEMATRON_OUT_FILE = 256 # output to a file descriptor + XML_SCHEMATRON_OUT_BUFFER = 512 # output to a buffer + XML_SCHEMATRON_OUT_IO = 1024 # output to I/O mechanism + + cdef xmlSchematronParserCtxt* xmlSchematronNewDocParserCtxt( + xmlDoc* doc) + cdef xmlSchematronParserCtxt* xmlSchematronNewParserCtxt( + char* filename) nogil + cdef xmlSchematronValidCtxt* xmlSchematronNewValidCtxt( + xmlSchematron* schema, int options) + + cdef xmlSchematron* xmlSchematronParse(xmlSchematronParserCtxt* ctxt) + cdef int xmlSchematronValidateDoc(xmlSchematronValidCtxt* ctxt, + xmlDoc* instance) + + cdef void xmlSchematronFreeParserCtxt(xmlSchematronParserCtxt* ctxt) + cdef void xmlSchematronFreeValidCtxt(xmlSchematronValidCtxt* ctxt) + cdef void xmlSchematronFree(xmlSchematron* schema) + cdef void xmlSchematronSetValidStructuredErrors( + xmlSchematronValidCtxt* ctxt, + xmlerror.xmlStructuredErrorFunc error_func, void *data) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/tree.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/tree.pxd new file mode 100644 index 0000000000000000000000000000000000000000..43a52e647be68a5aea00f7363df1df1de4f2a48c --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/tree.pxd @@ -0,0 +1,492 @@ +from libc cimport stdio +from libc.string cimport const_char, const_uchar + +cdef extern from "lxml-version.h": + # deprecated declaration, use etreepublic.pxd instead + cdef char* LXML_VERSION_STRING + +cdef extern from "libxml/xmlversion.h": + const char* xmlParserVersion + int LIBXML_VERSION + + +cdef extern from "libxml/xmlstring.h" nogil: + ctypedef unsigned char xmlChar + ctypedef const xmlChar const_xmlChar "const xmlChar" + cdef int xmlStrlen(const_xmlChar* str) + cdef xmlChar* xmlStrdup(const_xmlChar* cur) + cdef int xmlStrncmp(const_xmlChar* str1, const_xmlChar* str2, int length) + cdef int xmlStrcmp(const_xmlChar* str1, const_xmlChar* str2) + cdef int xmlStrcasecmp(const xmlChar *str1, const xmlChar *str2) + cdef const_xmlChar* xmlStrstr(const_xmlChar* str1, const_xmlChar* str2) + cdef const_xmlChar* xmlStrchr(const_xmlChar* str1, xmlChar ch) + cdef const_xmlChar* _xcstr "(const xmlChar*)PyBytes_AS_STRING" (object s) + +cdef extern from "libxml/encoding.h" nogil: + ctypedef enum xmlCharEncoding: + XML_CHAR_ENCODING_ERROR = -1 # No char encoding detected + XML_CHAR_ENCODING_NONE = 0 # No char encoding detected + XML_CHAR_ENCODING_UTF8 = 1 # UTF-8 + XML_CHAR_ENCODING_UTF16LE = 2 # UTF-16 little endian + XML_CHAR_ENCODING_UTF16BE = 3 # UTF-16 big endian + XML_CHAR_ENCODING_UCS4LE = 4 # UCS-4 little endian + XML_CHAR_ENCODING_UCS4BE = 5 # UCS-4 big endian + XML_CHAR_ENCODING_EBCDIC = 6 # EBCDIC uh! + XML_CHAR_ENCODING_UCS4_2143 = 7 # UCS-4 unusual ordering + XML_CHAR_ENCODING_UCS4_3412 = 8 # UCS-4 unusual ordering + XML_CHAR_ENCODING_UCS2 = 9 # UCS-2 + XML_CHAR_ENCODING_8859_1 = 10 # ISO-8859-1 ISO Latin 1 + XML_CHAR_ENCODING_8859_2 = 11 # ISO-8859-2 ISO Latin 2 + XML_CHAR_ENCODING_8859_3 = 12 # ISO-8859-3 + XML_CHAR_ENCODING_8859_4 = 13 # ISO-8859-4 + XML_CHAR_ENCODING_8859_5 = 14 # ISO-8859-5 + XML_CHAR_ENCODING_8859_6 = 15 # ISO-8859-6 + XML_CHAR_ENCODING_8859_7 = 16 # ISO-8859-7 + XML_CHAR_ENCODING_8859_8 = 17 # ISO-8859-8 + XML_CHAR_ENCODING_8859_9 = 18 # ISO-8859-9 + XML_CHAR_ENCODING_2022_JP = 19 # ISO-2022-JP + XML_CHAR_ENCODING_SHIFT_JIS = 20 # Shift_JIS + XML_CHAR_ENCODING_EUC_JP = 21 # EUC-JP + XML_CHAR_ENCODING_ASCII = 22 # pure ASCII + + ctypedef struct xmlCharEncodingHandler: + char* name + + cdef xmlCharEncodingHandler* xmlFindCharEncodingHandler(char* name) + cdef xmlCharEncodingHandler* xmlGetCharEncodingHandler( + xmlCharEncoding enc) + cdef int xmlCharEncCloseFunc(xmlCharEncodingHandler* handler) + cdef xmlCharEncoding xmlDetectCharEncoding(const_xmlChar* text, int len) + cdef const_char* xmlGetCharEncodingName(xmlCharEncoding enc) + cdef xmlCharEncoding xmlParseCharEncoding(char* name) + ctypedef int (*xmlCharEncodingOutputFunc)( + unsigned char *out_buf, int *outlen, const_uchar *in_buf, int *inlen) + +cdef extern from "libxml/chvalid.h" nogil: + cdef int xmlIsChar_ch(char c) + cdef int xmlIsCharQ(int ch) + +cdef extern from "libxml/hash.h": + ctypedef struct xmlHashTable + ctypedef void (*xmlHashScanner)(void* payload, void* data, const_xmlChar* name) noexcept # may require GIL! + void xmlHashScan(xmlHashTable* table, xmlHashScanner f, void* data) nogil + void* xmlHashLookup(xmlHashTable* table, const_xmlChar* name) nogil + ctypedef void (*xmlHashDeallocator)(void *payload, xmlChar *name) noexcept + cdef xmlHashTable* xmlHashCreate(int size) nogil + cdef xmlHashTable* xmlHashCreateDict(int size, xmlDict *dict) nogil + cdef int xmlHashSize(xmlHashTable* table) nogil + cdef void xmlHashFree(xmlHashTable* table, xmlHashDeallocator f) nogil + +cdef extern from * nogil: # actually "libxml/dict.h" + # libxml/dict.h appears to be broken to include in C + ctypedef struct xmlDict + cdef const_xmlChar* xmlDictLookup(xmlDict* dict, const_xmlChar* name, int len) + cdef const_xmlChar* xmlDictExists(xmlDict* dict, const_xmlChar* name, int len) + cdef int xmlDictOwns(xmlDict* dict, const_xmlChar* name) + cdef size_t xmlDictSize(xmlDict* dict) + +cdef extern from "libxml/tree.h" nogil: + ctypedef struct xmlDoc + ctypedef struct xmlAttr + ctypedef struct xmlNotationTable + + ctypedef enum xmlElementType: + XML_ELEMENT_NODE= 1 + XML_ATTRIBUTE_NODE= 2 + XML_TEXT_NODE= 3 + XML_CDATA_SECTION_NODE= 4 + XML_ENTITY_REF_NODE= 5 + XML_ENTITY_NODE= 6 + XML_PI_NODE= 7 + XML_COMMENT_NODE= 8 + XML_DOCUMENT_NODE= 9 + XML_DOCUMENT_TYPE_NODE= 10 + XML_DOCUMENT_FRAG_NODE= 11 + XML_NOTATION_NODE= 12 + XML_HTML_DOCUMENT_NODE= 13 + XML_DTD_NODE= 14 + XML_ELEMENT_DECL= 15 + XML_ATTRIBUTE_DECL= 16 + XML_ENTITY_DECL= 17 + XML_NAMESPACE_DECL= 18 + XML_XINCLUDE_START= 19 + XML_XINCLUDE_END= 20 + + ctypedef enum xmlElementTypeVal: + XML_ELEMENT_TYPE_UNDEFINED= 0 + XML_ELEMENT_TYPE_EMPTY= 1 + XML_ELEMENT_TYPE_ANY= 2 + XML_ELEMENT_TYPE_MIXED= 3 + XML_ELEMENT_TYPE_ELEMENT= 4 + + ctypedef enum xmlElementContentType: + XML_ELEMENT_CONTENT_PCDATA= 1 + XML_ELEMENT_CONTENT_ELEMENT= 2 + XML_ELEMENT_CONTENT_SEQ= 3 + XML_ELEMENT_CONTENT_OR= 4 + + ctypedef enum xmlElementContentOccur: + XML_ELEMENT_CONTENT_ONCE= 1 + XML_ELEMENT_CONTENT_OPT= 2 + XML_ELEMENT_CONTENT_MULT= 3 + XML_ELEMENT_CONTENT_PLUS= 4 + + ctypedef enum xmlAttributeType: + XML_ATTRIBUTE_CDATA = 1 + XML_ATTRIBUTE_ID= 2 + XML_ATTRIBUTE_IDREF= 3 + XML_ATTRIBUTE_IDREFS= 4 + XML_ATTRIBUTE_ENTITY= 5 + XML_ATTRIBUTE_ENTITIES= 6 + XML_ATTRIBUTE_NMTOKEN= 7 + XML_ATTRIBUTE_NMTOKENS= 8 + XML_ATTRIBUTE_ENUMERATION= 9 + XML_ATTRIBUTE_NOTATION= 10 + + ctypedef enum xmlAttributeDefault: + XML_ATTRIBUTE_NONE= 1 + XML_ATTRIBUTE_REQUIRED= 2 + XML_ATTRIBUTE_IMPLIED= 3 + XML_ATTRIBUTE_FIXED= 4 + + ctypedef enum xmlEntityType: + XML_INTERNAL_GENERAL_ENTITY= 1 + XML_EXTERNAL_GENERAL_PARSED_ENTITY= 2 + XML_EXTERNAL_GENERAL_UNPARSED_ENTITY= 3 + XML_INTERNAL_PARAMETER_ENTITY= 4 + XML_EXTERNAL_PARAMETER_ENTITY= 5 + XML_INTERNAL_PREDEFINED_ENTITY= 6 + + ctypedef enum xmlDocProperties: + XML_DOC_WELLFORMED = 1 # /* document is XML well formed */ + XML_DOC_NSVALID = 2 # /* document is Namespace valid */ + XML_DOC_OLD10 = 4 # /* parsed with old XML-1.0 parser */ + XML_DOC_DTDVALID = 8 # /* DTD validation was successful */ + XML_DOC_XINCLUDE = 16 # /* XInclude substitution was done */ + XML_DOC_USERBUILT = 32 # /* Document was built using the API + # and not by parsing an instance */ + XML_DOC_INTERNAL = 64 # /* built for internal processing */ + XML_DOC_HTML = 128 # /* parsed or built HTML document */ + + ctypedef struct xmlNs: + const_xmlChar* href + const_xmlChar* prefix + xmlNs* next + + ctypedef struct xmlNode: + void* _private + xmlElementType type + const_xmlChar* name + xmlNode* children + xmlNode* last + xmlNode* parent + xmlNode* next + xmlNode* prev + xmlDoc* doc + xmlChar* content + xmlAttr* properties + xmlNs* ns + xmlNs* nsDef + unsigned short line + + ctypedef struct xmlElementContent: + xmlElementContentType type + xmlElementContentOccur ocur + const_xmlChar *name + xmlElementContent *c1 + xmlElementContent *c2 + xmlElementContent *parent + const_xmlChar *prefix + + ctypedef struct xmlEnumeration: + xmlEnumeration *next + const_xmlChar *name + + ctypedef struct xmlAttribute: + void* _private + xmlElementType type + const_xmlChar* name + xmlNode* children + xmlNode* last + xmlDtd* parent + xmlNode* next + xmlNode* prev + xmlDoc* doc + xmlAttribute* nexth + xmlAttributeType atype + xmlAttributeDefault def_ "def" + const_xmlChar* defaultValue + xmlEnumeration* tree + const_xmlChar* prefix + const_xmlChar* elem + + ctypedef struct xmlElement: + void* _private + xmlElementType type + const_xmlChar* name + xmlNode* children + xmlNode* last + xmlNode* parent + xmlNode* next + xmlNode* prev + xmlDoc* doc + xmlElementTypeVal etype + xmlElementContent* content + xmlAttribute* attributes + const_xmlChar* prefix + void *contModel + + ctypedef struct xmlEntity: + void* _private + xmlElementType type + const_xmlChar* name + xmlNode* children + xmlNode* last + xmlDtd* parent + xmlNode* next + xmlNode* prev + xmlDoc* doc + xmlChar* orig + xmlChar* content + int length + xmlEntityType etype + const_xmlChar* ExternalID + const_xmlChar* SystemID + xmlEntity* nexte + const_xmlChar* URI + int owner + int checked + + ctypedef struct xmlDtd: + const_xmlChar* name + const_xmlChar* ExternalID + const_xmlChar* SystemID + void* notations + void* entities + void* pentities + void* attributes + void* elements + xmlNode* children + xmlNode* last + xmlDoc* doc + + ctypedef struct xmlDoc: + xmlElementType type + char* name + xmlNode* children + xmlNode* last + xmlNode* parent + xmlNode* next + xmlNode* prev + xmlDoc* doc + xmlDict* dict + xmlHashTable* ids + int standalone + const_xmlChar* version + const_xmlChar* encoding + const_xmlChar* URL + void* _private + xmlDtd* intSubset + xmlDtd* extSubset + int properties + + ctypedef struct xmlAttr: + void* _private + xmlElementType type + const_xmlChar* name + xmlNode* children + xmlNode* last + xmlNode* parent + xmlAttr* next + xmlAttr* prev + xmlDoc* doc + xmlNs* ns + xmlAttributeType atype + + ctypedef struct xmlID: + const_xmlChar* value + const_xmlChar* name + xmlAttr* attr + xmlDoc* doc + + ctypedef struct xmlBuffer + + ctypedef struct xmlBuf # new in libxml2 2.9 + + ctypedef struct xmlOutputBuffer: + xmlBuf* buffer + xmlBuf* conv + int error + + const_xmlChar* XML_XML_NAMESPACE + + cdef void xmlFreeDoc(xmlDoc* cur) + cdef void xmlFreeDtd(xmlDtd* cur) + cdef void xmlFreeNode(xmlNode* cur) + cdef void xmlFreeNsList(xmlNs* ns) + cdef void xmlFreeNs(xmlNs* ns) + cdef void xmlFree(void* buf) + + cdef xmlNode* xmlNewNode(xmlNs* ns, const_xmlChar* name) + cdef xmlNode* xmlNewDocText(xmlDoc* doc, const_xmlChar* content) + cdef xmlNode* xmlNewDocComment(xmlDoc* doc, const_xmlChar* content) + cdef xmlNode* xmlNewDocPI(xmlDoc* doc, const_xmlChar* name, const_xmlChar* content) + cdef xmlNode* xmlNewReference(xmlDoc* doc, const_xmlChar* name) + cdef xmlNode* xmlNewCDataBlock(xmlDoc* doc, const_xmlChar* text, int len) + cdef xmlNs* xmlNewNs(xmlNode* node, const_xmlChar* href, const_xmlChar* prefix) + cdef xmlNode* xmlAddChild(xmlNode* parent, xmlNode* cur) + cdef xmlNode* xmlReplaceNode(xmlNode* old, xmlNode* cur) + cdef xmlNode* xmlAddPrevSibling(xmlNode* cur, xmlNode* elem) + cdef xmlNode* xmlAddNextSibling(xmlNode* cur, xmlNode* elem) + cdef xmlNode* xmlNewDocNode(xmlDoc* doc, xmlNs* ns, + const_xmlChar* name, const_xmlChar* content) + cdef xmlDoc* xmlNewDoc(const_xmlChar* version) + cdef xmlAttr* xmlNewProp(xmlNode* node, const_xmlChar* name, const_xmlChar* value) + cdef xmlAttr* xmlNewNsProp(xmlNode* node, xmlNs* ns, + const_xmlChar* name, const_xmlChar* value) + cdef xmlChar* xmlGetNoNsProp(xmlNode* node, const_xmlChar* name) + cdef xmlChar* xmlGetNsProp(xmlNode* node, const_xmlChar* name, const_xmlChar* nameSpace) + cdef void xmlSetNs(xmlNode* node, xmlNs* ns) + cdef xmlAttr* xmlSetProp(xmlNode* node, const_xmlChar* name, const_xmlChar* value) + cdef xmlAttr* xmlSetNsProp(xmlNode* node, xmlNs* ns, + const_xmlChar* name, const_xmlChar* value) + cdef int xmlRemoveID(xmlDoc* doc, xmlAttr* cur) + cdef int xmlRemoveProp(xmlAttr* cur) + cdef void xmlFreePropList(xmlAttr* cur) + cdef xmlChar* xmlGetNodePath(xmlNode* node) + cdef void xmlDocDumpMemory(xmlDoc* cur, char** mem, int* size) + cdef void xmlDocDumpMemoryEnc(xmlDoc* cur, char** mem, int* size, + char* encoding) + cdef int xmlSaveFileTo(xmlOutputBuffer* out, xmlDoc* cur, + char* encoding) + + cdef void xmlUnlinkNode(xmlNode* cur) + cdef xmlNode* xmlDocSetRootElement(xmlDoc* doc, xmlNode* root) + cdef xmlNode* xmlDocGetRootElement(xmlDoc* doc) + cdef void xmlSetTreeDoc(xmlNode* tree, xmlDoc* doc) + cdef xmlAttr* xmlHasProp(xmlNode* node, const_xmlChar* name) + cdef xmlAttr* xmlHasNsProp(xmlNode* node, const_xmlChar* name, const_xmlChar* nameSpace) + cdef xmlChar* xmlNodeGetContent(xmlNode* cur) + cdef int xmlNodeBufGetContent(xmlBuffer* buffer, xmlNode* cur) + cdef xmlNs* xmlSearchNs(xmlDoc* doc, xmlNode* node, const_xmlChar* prefix) + cdef xmlNs* xmlSearchNsByHref(xmlDoc* doc, xmlNode* node, const_xmlChar* href) + cdef int xmlIsBlankNode(xmlNode* node) + cdef long xmlGetLineNo(xmlNode* node) + cdef void xmlElemDump(stdio.FILE* f, xmlDoc* doc, xmlNode* cur) + cdef void xmlNodeDumpOutput(xmlOutputBuffer* buf, + xmlDoc* doc, xmlNode* cur, int level, + int format, const_char* encoding) + cdef void xmlBufAttrSerializeTxtContent(xmlOutputBuffer *buf, xmlDoc *doc, + xmlAttr *attr, const_xmlChar *string) + cdef void xmlNodeSetName(xmlNode* cur, const_xmlChar* name) + cdef void xmlNodeSetContent(xmlNode* cur, const_xmlChar* content) + cdef xmlDtd* xmlCopyDtd(xmlDtd* dtd) + cdef xmlDoc* xmlCopyDoc(xmlDoc* doc, int recursive) + cdef xmlNode* xmlCopyNode(xmlNode* node, int extended) + cdef xmlNode* xmlDocCopyNode(xmlNode* node, xmlDoc* doc, int extended) + cdef int xmlReconciliateNs(xmlDoc* doc, xmlNode* tree) + cdef xmlNs* xmlNewReconciliedNs(xmlDoc* doc, xmlNode* tree, xmlNs* ns) + cdef xmlBuffer* xmlBufferCreate() + cdef void xmlBufferWriteChar(xmlBuffer* buf, char* string) + cdef void xmlBufferFree(xmlBuffer* buf) + cdef const_xmlChar* xmlBufferContent(xmlBuffer* buf) + cdef int xmlBufferLength(xmlBuffer* buf) + cdef const_xmlChar* xmlBufContent(xmlBuf* buf) # new in libxml2 2.9 + cdef size_t xmlBufUse(xmlBuf* buf) # new in libxml2 2.9 + cdef int xmlKeepBlanksDefault(int val) + cdef xmlChar* xmlNodeGetBase(xmlDoc* doc, xmlNode* node) + cdef xmlDtd* xmlCreateIntSubset(xmlDoc* doc, const_xmlChar* name, + const_xmlChar* ExternalID, const_xmlChar* SystemID) + cdef void xmlNodeSetBase(xmlNode* node, const_xmlChar* uri) + cdef int xmlValidateNCName(const_xmlChar* value, int space) + +cdef extern from "libxml/uri.h" nogil: + cdef const_xmlChar* xmlBuildURI(const_xmlChar* href, const_xmlChar* base) + +cdef extern from "libxml/HTMLtree.h" nogil: + cdef void htmlNodeDumpFormatOutput(xmlOutputBuffer* buf, + xmlDoc* doc, xmlNode* cur, + char* encoding, int format) + cdef xmlDoc* htmlNewDoc(const_xmlChar* uri, const_xmlChar* externalID) + +cdef extern from "libxml/valid.h" nogil: + cdef xmlAttr* xmlGetID(xmlDoc* doc, const_xmlChar* ID) + cdef void xmlDumpNotationTable(xmlBuffer* buffer, + xmlNotationTable* table) + cdef int xmlValidateNameValue(const_xmlChar* value) + +cdef extern from "libxml/xmlIO.h": + cdef int xmlOutputBufferWrite(xmlOutputBuffer* out, + int len, const_char* str) nogil + cdef int xmlOutputBufferWriteString(xmlOutputBuffer* out, const_char* str) nogil + cdef int xmlOutputBufferWriteEscape(xmlOutputBuffer* out, + const_xmlChar* str, + xmlCharEncodingOutputFunc escapefunc) nogil + cdef int xmlOutputBufferFlush(xmlOutputBuffer* out) nogil + cdef int xmlOutputBufferClose(xmlOutputBuffer* out) nogil + + ctypedef int (*xmlInputReadCallback)(void* context, + char* buffer, int len) noexcept nogil + ctypedef int (*xmlInputCloseCallback)(void* context) noexcept nogil + + ctypedef int (*xmlOutputWriteCallback)(void* context, + char* buffer, int len) noexcept + ctypedef int (*xmlOutputCloseCallback)(void* context) noexcept + + cdef xmlOutputBuffer* xmlAllocOutputBuffer( + xmlCharEncodingHandler* encoder) nogil + cdef xmlOutputBuffer* xmlOutputBufferCreateIO( + xmlOutputWriteCallback iowrite, + xmlOutputCloseCallback ioclose, + void * ioctx, + xmlCharEncodingHandler* encoder) nogil + cdef xmlOutputBuffer* xmlOutputBufferCreateFile( + stdio.FILE* file, xmlCharEncodingHandler* encoder) nogil + cdef xmlOutputBuffer* xmlOutputBufferCreateFilename( + char* URI, xmlCharEncodingHandler* encoder, int compression) nogil + +cdef extern from "libxml/xmlsave.h" nogil: + ctypedef struct xmlSaveCtxt + + ctypedef enum xmlSaveOption: + XML_SAVE_FORMAT = 1 # format save output (2.6.17) + XML_SAVE_NO_DECL = 2 # drop the xml declaration (2.6.21) + XML_SAVE_NO_EMPTY = 4 # no empty tags (2.6.22) + XML_SAVE_NO_XHTML = 8 # disable XHTML1 specific rules (2.6.22) + XML_SAVE_XHTML = 16 # force XHTML1 specific rules (2.7.2) + XML_SAVE_AS_XML = 32 # force XML serialization on HTML doc (2.7.2) + XML_SAVE_AS_HTML = 64 # force HTML serialization on XML doc (2.7.2) + + cdef xmlSaveCtxt* xmlSaveToFilename(char* filename, char* encoding, + int options) + cdef xmlSaveCtxt* xmlSaveToBuffer(xmlBuffer* buffer, char* encoding, + int options) # libxml2 2.6.23 + cdef long xmlSaveDoc(xmlSaveCtxt* ctxt, xmlDoc* doc) + cdef long xmlSaveTree(xmlSaveCtxt* ctxt, xmlNode* node) + cdef int xmlSaveClose(xmlSaveCtxt* ctxt) + cdef int xmlSaveFlush(xmlSaveCtxt* ctxt) + cdef int xmlSaveSetAttrEscape(xmlSaveCtxt* ctxt, void* escape_func) + cdef int xmlSaveSetEscape(xmlSaveCtxt* ctxt, void* escape_func) + +cdef extern from "libxml/globals.h" nogil: + cdef int xmlThrDefKeepBlanksDefaultValue(int onoff) + cdef int xmlThrDefLineNumbersDefaultValue(int onoff) + cdef int xmlThrDefIndentTreeOutput(int onoff) + +cdef extern from "libxml/xmlmemory.h" nogil: + cdef void* xmlMalloc(size_t size) + cdef int xmlMemBlocks() + cdef int xmlMemUsed() + +cdef extern from "etree_defs.h" nogil: + cdef bint _isElement(xmlNode* node) + cdef bint _isElementOrXInclude(xmlNode* node) + cdef const_xmlChar* _getNs(xmlNode* node) + cdef void BEGIN_FOR_EACH_ELEMENT_FROM(xmlNode* tree_top, + xmlNode* start_node, + bint inclusive) + cdef void END_FOR_EACH_ELEMENT_FROM(xmlNode* start_node) + cdef void BEGIN_FOR_EACH_FROM(xmlNode* tree_top, + xmlNode* start_node, + bint inclusive) + cdef void END_FOR_EACH_FROM(xmlNode* start_node) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/uri.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/uri.pxd new file mode 100644 index 0000000000000000000000000000000000000000..f886a54b9a9d7fc3094f99210f54edd98f12fab7 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/uri.pxd @@ -0,0 +1,5 @@ +cdef extern from "libxml/uri.h" nogil: + ctypedef struct xmlURI + + cdef xmlURI* xmlParseURI(char* str) + cdef void xmlFreeURI(xmlURI* uri) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/xinclude.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/xinclude.pxd new file mode 100644 index 0000000000000000000000000000000000000000..68267175afa602f6bb0970566bd5f71f2d318af7 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/xinclude.pxd @@ -0,0 +1,22 @@ +from lxml.includes.tree cimport xmlDoc, xmlNode + +cdef extern from "libxml/xinclude.h" nogil: + + ctypedef struct xmlXIncludeCtxt + + cdef int xmlXIncludeProcess(xmlDoc* doc) + cdef int xmlXIncludeProcessFlags(xmlDoc* doc, int parser_opts) + cdef int xmlXIncludeProcessTree(xmlNode* doc) + cdef int xmlXIncludeProcessTreeFlags(xmlNode* doc, int parser_opts) + + # libxml2 >= 2.7.4 + cdef int xmlXIncludeProcessTreeFlagsData( + xmlNode* doc, int parser_opts, void* data) + + cdef xmlXIncludeCtxt* xmlXIncludeNewContext(xmlDoc* doc) + cdef int xmlXIncludeProcessNode(xmlXIncludeCtxt* ctxt, xmlNode* node) + cdef int xmlXIncludeSetFlags(xmlXIncludeCtxt* ctxt, int flags) + + # libxml2 >= 2.6.27 + cdef int xmlXIncludeProcessFlagsData( + xmlDoc* doc, int flags, void* data) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/xmlerror.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/xmlerror.pxd new file mode 100644 index 0000000000000000000000000000000000000000..0249a45e2c4b757f236ab5891510934f9add6b3e --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/xmlerror.pxd @@ -0,0 +1,860 @@ + +# --- BEGIN: GENERATED CONSTANTS --- + +# This section is generated by the script 'update-error-constants.py'. + +cdef extern from "libxml/xmlerror.h": + ctypedef enum xmlErrorLevel: + XML_ERR_NONE = 0 # Success + XML_ERR_WARNING = 1 # A warning + XML_ERR_ERROR = 2 # An error + XML_ERR_FATAL = 3 # A fatal error + + ctypedef enum xmlErrorDomain: + XML_FROM_NONE = 0 # Unknown + XML_FROM_PARSER = 1 # The XML parser + XML_FROM_TREE = 2 # The tree module (unused) + XML_FROM_NAMESPACE = 3 # The XML Namespace module + XML_FROM_DTD = 4 # The XML DTD validation with parser context + XML_FROM_HTML = 5 # The HTML parser + XML_FROM_MEMORY = 6 # The memory allocator (unused) + XML_FROM_OUTPUT = 7 # The serialization code + XML_FROM_IO = 8 # The Input/Output stack + XML_FROM_FTP = 9 # The FTP module (unused) + XML_FROM_HTTP = 10 # The HTTP module (unused) + XML_FROM_XINCLUDE = 11 # The XInclude processing + XML_FROM_XPATH = 12 # The XPath module + XML_FROM_XPOINTER = 13 # The XPointer module + XML_FROM_REGEXP = 14 # The regular expressions module + XML_FROM_DATATYPE = 15 # The W3C XML Schemas Datatype module + XML_FROM_SCHEMASP = 16 # The W3C XML Schemas parser module + XML_FROM_SCHEMASV = 17 # The W3C XML Schemas validation module + XML_FROM_RELAXNGP = 18 # The Relax-NG parser module + XML_FROM_RELAXNGV = 19 # The Relax-NG validator module + XML_FROM_CATALOG = 20 # The Catalog module + XML_FROM_C14N = 21 # The Canonicalization module + XML_FROM_XSLT = 22 # The XSLT engine from libxslt (unused) + XML_FROM_VALID = 23 # The XML DTD validation with valid context + XML_FROM_CHECK = 24 # The error checking module (unused) + XML_FROM_WRITER = 25 # The xmlwriter module + XML_FROM_MODULE = 26 # The dynamically loaded module module (unused) + XML_FROM_I18N = 27 # The module handling character conversion (unused) + XML_FROM_SCHEMATRONV = 28 # The Schematron validator module + XML_FROM_BUFFER = 29 # The buffers module (unused) + XML_FROM_URI = 30 # The URI module (unused) + + ctypedef enum xmlParserErrors: + XML_ERR_OK = 0 # Success + XML_ERR_INTERNAL_ERROR = 1 # Internal assertion failure + XML_ERR_NO_MEMORY = 2 # Out of memory + XML_ERR_DOCUMENT_START = 3 + XML_ERR_DOCUMENT_EMPTY = 4 + XML_ERR_DOCUMENT_END = 5 + XML_ERR_INVALID_HEX_CHARREF = 6 + XML_ERR_INVALID_DEC_CHARREF = 7 + XML_ERR_INVALID_CHARREF = 8 + XML_ERR_INVALID_CHAR = 9 + XML_ERR_CHARREF_AT_EOF = 10 + XML_ERR_CHARREF_IN_PROLOG = 11 + XML_ERR_CHARREF_IN_EPILOG = 12 + XML_ERR_CHARREF_IN_DTD = 13 + XML_ERR_ENTITYREF_AT_EOF = 14 + XML_ERR_ENTITYREF_IN_PROLOG = 15 + XML_ERR_ENTITYREF_IN_EPILOG = 16 + XML_ERR_ENTITYREF_IN_DTD = 17 + XML_ERR_PEREF_AT_EOF = 18 + XML_ERR_PEREF_IN_PROLOG = 19 + XML_ERR_PEREF_IN_EPILOG = 20 + XML_ERR_PEREF_IN_INT_SUBSET = 21 + XML_ERR_ENTITYREF_NO_NAME = 22 + XML_ERR_ENTITYREF_SEMICOL_MISSING = 23 + XML_ERR_PEREF_NO_NAME = 24 + XML_ERR_PEREF_SEMICOL_MISSING = 25 + XML_ERR_UNDECLARED_ENTITY = 26 + XML_WAR_UNDECLARED_ENTITY = 27 + XML_ERR_UNPARSED_ENTITY = 28 + XML_ERR_ENTITY_IS_EXTERNAL = 29 + XML_ERR_ENTITY_IS_PARAMETER = 30 + XML_ERR_UNKNOWN_ENCODING = 31 + XML_ERR_UNSUPPORTED_ENCODING = 32 # Unsupported character encoding + XML_ERR_STRING_NOT_STARTED = 33 + XML_ERR_STRING_NOT_CLOSED = 34 + XML_ERR_NS_DECL_ERROR = 35 + XML_ERR_ENTITY_NOT_STARTED = 36 + XML_ERR_ENTITY_NOT_FINISHED = 37 + XML_ERR_LT_IN_ATTRIBUTE = 38 + XML_ERR_ATTRIBUTE_NOT_STARTED = 39 + XML_ERR_ATTRIBUTE_NOT_FINISHED = 40 + XML_ERR_ATTRIBUTE_WITHOUT_VALUE = 41 + XML_ERR_ATTRIBUTE_REDEFINED = 42 + XML_ERR_LITERAL_NOT_STARTED = 43 + XML_ERR_LITERAL_NOT_FINISHED = 44 + XML_ERR_COMMENT_NOT_FINISHED = 45 + XML_ERR_PI_NOT_STARTED = 46 + XML_ERR_PI_NOT_FINISHED = 47 + XML_ERR_NOTATION_NOT_STARTED = 48 + XML_ERR_NOTATION_NOT_FINISHED = 49 + XML_ERR_ATTLIST_NOT_STARTED = 50 + XML_ERR_ATTLIST_NOT_FINISHED = 51 + XML_ERR_MIXED_NOT_STARTED = 52 + XML_ERR_MIXED_NOT_FINISHED = 53 + XML_ERR_ELEMCONTENT_NOT_STARTED = 54 + XML_ERR_ELEMCONTENT_NOT_FINISHED = 55 + XML_ERR_XMLDECL_NOT_STARTED = 56 + XML_ERR_XMLDECL_NOT_FINISHED = 57 + XML_ERR_CONDSEC_NOT_STARTED = 58 + XML_ERR_CONDSEC_NOT_FINISHED = 59 + XML_ERR_EXT_SUBSET_NOT_FINISHED = 60 + XML_ERR_DOCTYPE_NOT_FINISHED = 61 + XML_ERR_MISPLACED_CDATA_END = 62 + XML_ERR_CDATA_NOT_FINISHED = 63 + XML_ERR_RESERVED_XML_NAME = 64 + XML_ERR_SPACE_REQUIRED = 65 + XML_ERR_SEPARATOR_REQUIRED = 66 + XML_ERR_NMTOKEN_REQUIRED = 67 + XML_ERR_NAME_REQUIRED = 68 + XML_ERR_PCDATA_REQUIRED = 69 + XML_ERR_URI_REQUIRED = 70 + XML_ERR_PUBID_REQUIRED = 71 + XML_ERR_LT_REQUIRED = 72 + XML_ERR_GT_REQUIRED = 73 + XML_ERR_LTSLASH_REQUIRED = 74 + XML_ERR_EQUAL_REQUIRED = 75 + XML_ERR_TAG_NAME_MISMATCH = 76 + XML_ERR_TAG_NOT_FINISHED = 77 + XML_ERR_STANDALONE_VALUE = 78 + XML_ERR_ENCODING_NAME = 79 + XML_ERR_HYPHEN_IN_COMMENT = 80 + XML_ERR_INVALID_ENCODING = 81 + XML_ERR_EXT_ENTITY_STANDALONE = 82 + XML_ERR_CONDSEC_INVALID = 83 + XML_ERR_VALUE_REQUIRED = 84 + XML_ERR_NOT_WELL_BALANCED = 85 + XML_ERR_EXTRA_CONTENT = 86 + XML_ERR_ENTITY_CHAR_ERROR = 87 + XML_ERR_ENTITY_PE_INTERNAL = 88 + XML_ERR_ENTITY_LOOP = 89 + XML_ERR_ENTITY_BOUNDARY = 90 + XML_ERR_INVALID_URI = 91 + XML_ERR_URI_FRAGMENT = 92 + XML_WAR_CATALOG_PI = 93 + XML_ERR_NO_DTD = 94 + XML_ERR_CONDSEC_INVALID_KEYWORD = 95 + XML_ERR_VERSION_MISSING = 96 + XML_WAR_UNKNOWN_VERSION = 97 + XML_WAR_LANG_VALUE = 98 + XML_WAR_NS_URI = 99 + XML_WAR_NS_URI_RELATIVE = 100 + XML_ERR_MISSING_ENCODING = 101 + XML_WAR_SPACE_VALUE = 102 + XML_ERR_NOT_STANDALONE = 103 + XML_ERR_ENTITY_PROCESSING = 104 + XML_ERR_NOTATION_PROCESSING = 105 + XML_WAR_NS_COLUMN = 106 + XML_WAR_ENTITY_REDEFINED = 107 + XML_ERR_UNKNOWN_VERSION = 108 + XML_ERR_VERSION_MISMATCH = 109 + XML_ERR_NAME_TOO_LONG = 110 + XML_ERR_USER_STOP = 111 + XML_ERR_COMMENT_ABRUPTLY_ENDED = 112 + XML_WAR_ENCODING_MISMATCH = 113 + XML_ERR_RESOURCE_LIMIT = 114 # Internal resource limit like maximum amplification factor exceeded + XML_ERR_ARGUMENT = 115 # Invalid argument + XML_ERR_SYSTEM = 116 # Unexpected error from the OS or an external library + XML_ERR_REDECL_PREDEF_ENTITY = 117 + XML_ERR_INT_SUBSET_NOT_FINISHED = 118 + XML_NS_ERR_XML_NAMESPACE = 200 + XML_NS_ERR_UNDEFINED_NAMESPACE = 201 + XML_NS_ERR_QNAME = 202 + XML_NS_ERR_ATTRIBUTE_REDEFINED = 203 + XML_NS_ERR_EMPTY = 204 + XML_NS_ERR_COLON = 205 + XML_DTD_ATTRIBUTE_DEFAULT = 500 + XML_DTD_ATTRIBUTE_REDEFINED = 501 + XML_DTD_ATTRIBUTE_VALUE = 502 + XML_DTD_CONTENT_ERROR = 503 + XML_DTD_CONTENT_MODEL = 504 + XML_DTD_CONTENT_NOT_DETERMINIST = 505 + XML_DTD_DIFFERENT_PREFIX = 506 + XML_DTD_ELEM_DEFAULT_NAMESPACE = 507 + XML_DTD_ELEM_NAMESPACE = 508 + XML_DTD_ELEM_REDEFINED = 509 + XML_DTD_EMPTY_NOTATION = 510 + XML_DTD_ENTITY_TYPE = 511 + XML_DTD_ID_FIXED = 512 + XML_DTD_ID_REDEFINED = 513 + XML_DTD_ID_SUBSET = 514 + XML_DTD_INVALID_CHILD = 515 + XML_DTD_INVALID_DEFAULT = 516 + XML_DTD_LOAD_ERROR = 517 + XML_DTD_MISSING_ATTRIBUTE = 518 + XML_DTD_MIXED_CORRUPT = 519 + XML_DTD_MULTIPLE_ID = 520 + XML_DTD_NO_DOC = 521 + XML_DTD_NO_DTD = 522 + XML_DTD_NO_ELEM_NAME = 523 + XML_DTD_NO_PREFIX = 524 + XML_DTD_NO_ROOT = 525 + XML_DTD_NOTATION_REDEFINED = 526 + XML_DTD_NOTATION_VALUE = 527 + XML_DTD_NOT_EMPTY = 528 + XML_DTD_NOT_PCDATA = 529 + XML_DTD_NOT_STANDALONE = 530 + XML_DTD_ROOT_NAME = 531 + XML_DTD_STANDALONE_WHITE_SPACE = 532 + XML_DTD_UNKNOWN_ATTRIBUTE = 533 + XML_DTD_UNKNOWN_ELEM = 534 + XML_DTD_UNKNOWN_ENTITY = 535 + XML_DTD_UNKNOWN_ID = 536 + XML_DTD_UNKNOWN_NOTATION = 537 + XML_DTD_STANDALONE_DEFAULTED = 538 + XML_DTD_XMLID_VALUE = 539 + XML_DTD_XMLID_TYPE = 540 + XML_DTD_DUP_TOKEN = 541 + XML_HTML_STRUCURE_ERROR = 800 + XML_HTML_UNKNOWN_TAG = 801 + XML_HTML_INCORRECTLY_OPENED_COMMENT = 802 + XML_RNGP_ANYNAME_ATTR_ANCESTOR = 1000 + XML_RNGP_ATTR_CONFLICT = 1001 + XML_RNGP_ATTRIBUTE_CHILDREN = 1002 + XML_RNGP_ATTRIBUTE_CONTENT = 1003 + XML_RNGP_ATTRIBUTE_EMPTY = 1004 + XML_RNGP_ATTRIBUTE_NOOP = 1005 + XML_RNGP_CHOICE_CONTENT = 1006 + XML_RNGP_CHOICE_EMPTY = 1007 + XML_RNGP_CREATE_FAILURE = 1008 + XML_RNGP_DATA_CONTENT = 1009 + XML_RNGP_DEF_CHOICE_AND_INTERLEAVE = 1010 + XML_RNGP_DEFINE_CREATE_FAILED = 1011 + XML_RNGP_DEFINE_EMPTY = 1012 + XML_RNGP_DEFINE_MISSING = 1013 + XML_RNGP_DEFINE_NAME_MISSING = 1014 + XML_RNGP_ELEM_CONTENT_EMPTY = 1015 + XML_RNGP_ELEM_CONTENT_ERROR = 1016 + XML_RNGP_ELEMENT_EMPTY = 1017 + XML_RNGP_ELEMENT_CONTENT = 1018 + XML_RNGP_ELEMENT_NAME = 1019 + XML_RNGP_ELEMENT_NO_CONTENT = 1020 + XML_RNGP_ELEM_TEXT_CONFLICT = 1021 + XML_RNGP_EMPTY = 1022 + XML_RNGP_EMPTY_CONSTRUCT = 1023 + XML_RNGP_EMPTY_CONTENT = 1024 + XML_RNGP_EMPTY_NOT_EMPTY = 1025 + XML_RNGP_ERROR_TYPE_LIB = 1026 + XML_RNGP_EXCEPT_EMPTY = 1027 + XML_RNGP_EXCEPT_MISSING = 1028 + XML_RNGP_EXCEPT_MULTIPLE = 1029 + XML_RNGP_EXCEPT_NO_CONTENT = 1030 + XML_RNGP_EXTERNALREF_EMTPY = 1031 + XML_RNGP_EXTERNAL_REF_FAILURE = 1032 + XML_RNGP_EXTERNALREF_RECURSE = 1033 + XML_RNGP_FORBIDDEN_ATTRIBUTE = 1034 + XML_RNGP_FOREIGN_ELEMENT = 1035 + XML_RNGP_GRAMMAR_CONTENT = 1036 + XML_RNGP_GRAMMAR_EMPTY = 1037 + XML_RNGP_GRAMMAR_MISSING = 1038 + XML_RNGP_GRAMMAR_NO_START = 1039 + XML_RNGP_GROUP_ATTR_CONFLICT = 1040 + XML_RNGP_HREF_ERROR = 1041 + XML_RNGP_INCLUDE_EMPTY = 1042 + XML_RNGP_INCLUDE_FAILURE = 1043 + XML_RNGP_INCLUDE_RECURSE = 1044 + XML_RNGP_INTERLEAVE_ADD = 1045 + XML_RNGP_INTERLEAVE_CREATE_FAILED = 1046 + XML_RNGP_INTERLEAVE_EMPTY = 1047 + XML_RNGP_INTERLEAVE_NO_CONTENT = 1048 + XML_RNGP_INVALID_DEFINE_NAME = 1049 + XML_RNGP_INVALID_URI = 1050 + XML_RNGP_INVALID_VALUE = 1051 + XML_RNGP_MISSING_HREF = 1052 + XML_RNGP_NAME_MISSING = 1053 + XML_RNGP_NEED_COMBINE = 1054 + XML_RNGP_NOTALLOWED_NOT_EMPTY = 1055 + XML_RNGP_NSNAME_ATTR_ANCESTOR = 1056 + XML_RNGP_NSNAME_NO_NS = 1057 + XML_RNGP_PARAM_FORBIDDEN = 1058 + XML_RNGP_PARAM_NAME_MISSING = 1059 + XML_RNGP_PARENTREF_CREATE_FAILED = 1060 + XML_RNGP_PARENTREF_NAME_INVALID = 1061 + XML_RNGP_PARENTREF_NO_NAME = 1062 + XML_RNGP_PARENTREF_NO_PARENT = 1063 + XML_RNGP_PARENTREF_NOT_EMPTY = 1064 + XML_RNGP_PARSE_ERROR = 1065 + XML_RNGP_PAT_ANYNAME_EXCEPT_ANYNAME = 1066 + XML_RNGP_PAT_ATTR_ATTR = 1067 + XML_RNGP_PAT_ATTR_ELEM = 1068 + XML_RNGP_PAT_DATA_EXCEPT_ATTR = 1069 + XML_RNGP_PAT_DATA_EXCEPT_ELEM = 1070 + XML_RNGP_PAT_DATA_EXCEPT_EMPTY = 1071 + XML_RNGP_PAT_DATA_EXCEPT_GROUP = 1072 + XML_RNGP_PAT_DATA_EXCEPT_INTERLEAVE = 1073 + XML_RNGP_PAT_DATA_EXCEPT_LIST = 1074 + XML_RNGP_PAT_DATA_EXCEPT_ONEMORE = 1075 + XML_RNGP_PAT_DATA_EXCEPT_REF = 1076 + XML_RNGP_PAT_DATA_EXCEPT_TEXT = 1077 + XML_RNGP_PAT_LIST_ATTR = 1078 + XML_RNGP_PAT_LIST_ELEM = 1079 + XML_RNGP_PAT_LIST_INTERLEAVE = 1080 + XML_RNGP_PAT_LIST_LIST = 1081 + XML_RNGP_PAT_LIST_REF = 1082 + XML_RNGP_PAT_LIST_TEXT = 1083 + XML_RNGP_PAT_NSNAME_EXCEPT_ANYNAME = 1084 + XML_RNGP_PAT_NSNAME_EXCEPT_NSNAME = 1085 + XML_RNGP_PAT_ONEMORE_GROUP_ATTR = 1086 + XML_RNGP_PAT_ONEMORE_INTERLEAVE_ATTR = 1087 + XML_RNGP_PAT_START_ATTR = 1088 + XML_RNGP_PAT_START_DATA = 1089 + XML_RNGP_PAT_START_EMPTY = 1090 + XML_RNGP_PAT_START_GROUP = 1091 + XML_RNGP_PAT_START_INTERLEAVE = 1092 + XML_RNGP_PAT_START_LIST = 1093 + XML_RNGP_PAT_START_ONEMORE = 1094 + XML_RNGP_PAT_START_TEXT = 1095 + XML_RNGP_PAT_START_VALUE = 1096 + XML_RNGP_PREFIX_UNDEFINED = 1097 + XML_RNGP_REF_CREATE_FAILED = 1098 + XML_RNGP_REF_CYCLE = 1099 + XML_RNGP_REF_NAME_INVALID = 1100 + XML_RNGP_REF_NO_DEF = 1101 + XML_RNGP_REF_NO_NAME = 1102 + XML_RNGP_REF_NOT_EMPTY = 1103 + XML_RNGP_START_CHOICE_AND_INTERLEAVE = 1104 + XML_RNGP_START_CONTENT = 1105 + XML_RNGP_START_EMPTY = 1106 + XML_RNGP_START_MISSING = 1107 + XML_RNGP_TEXT_EXPECTED = 1108 + XML_RNGP_TEXT_HAS_CHILD = 1109 + XML_RNGP_TYPE_MISSING = 1110 + XML_RNGP_TYPE_NOT_FOUND = 1111 + XML_RNGP_TYPE_VALUE = 1112 + XML_RNGP_UNKNOWN_ATTRIBUTE = 1113 + XML_RNGP_UNKNOWN_COMBINE = 1114 + XML_RNGP_UNKNOWN_CONSTRUCT = 1115 + XML_RNGP_UNKNOWN_TYPE_LIB = 1116 + XML_RNGP_URI_FRAGMENT = 1117 + XML_RNGP_URI_NOT_ABSOLUTE = 1118 + XML_RNGP_VALUE_EMPTY = 1119 + XML_RNGP_VALUE_NO_CONTENT = 1120 + XML_RNGP_XMLNS_NAME = 1121 + XML_RNGP_XML_NS = 1122 + XML_XPATH_EXPRESSION_OK = 1200 + XML_XPATH_NUMBER_ERROR = 1201 + XML_XPATH_UNFINISHED_LITERAL_ERROR = 1202 + XML_XPATH_START_LITERAL_ERROR = 1203 + XML_XPATH_VARIABLE_REF_ERROR = 1204 + XML_XPATH_UNDEF_VARIABLE_ERROR = 1205 + XML_XPATH_INVALID_PREDICATE_ERROR = 1206 + XML_XPATH_EXPR_ERROR = 1207 + XML_XPATH_UNCLOSED_ERROR = 1208 + XML_XPATH_UNKNOWN_FUNC_ERROR = 1209 + XML_XPATH_INVALID_OPERAND = 1210 + XML_XPATH_INVALID_TYPE = 1211 + XML_XPATH_INVALID_ARITY = 1212 + XML_XPATH_INVALID_CTXT_SIZE = 1213 + XML_XPATH_INVALID_CTXT_POSITION = 1214 + XML_XPATH_MEMORY_ERROR = 1215 + XML_XPTR_SYNTAX_ERROR = 1216 + XML_XPTR_RESOURCE_ERROR = 1217 + XML_XPTR_SUB_RESOURCE_ERROR = 1218 + XML_XPATH_UNDEF_PREFIX_ERROR = 1219 + XML_XPATH_ENCODING_ERROR = 1220 + XML_XPATH_INVALID_CHAR_ERROR = 1221 + XML_TREE_INVALID_HEX = 1300 + XML_TREE_INVALID_DEC = 1301 + XML_TREE_UNTERMINATED_ENTITY = 1302 + XML_TREE_NOT_UTF8 = 1303 + XML_SAVE_NOT_UTF8 = 1400 + XML_SAVE_CHAR_INVALID = 1401 + XML_SAVE_NO_DOCTYPE = 1402 + XML_SAVE_UNKNOWN_ENCODING = 1403 + XML_REGEXP_COMPILE_ERROR = 1450 + XML_IO_UNKNOWN = 1500 + XML_IO_EACCES = 1501 + XML_IO_EAGAIN = 1502 + XML_IO_EBADF = 1503 + XML_IO_EBADMSG = 1504 + XML_IO_EBUSY = 1505 + XML_IO_ECANCELED = 1506 + XML_IO_ECHILD = 1507 + XML_IO_EDEADLK = 1508 + XML_IO_EDOM = 1509 + XML_IO_EEXIST = 1510 + XML_IO_EFAULT = 1511 + XML_IO_EFBIG = 1512 + XML_IO_EINPROGRESS = 1513 + XML_IO_EINTR = 1514 + XML_IO_EINVAL = 1515 + XML_IO_EIO = 1516 + XML_IO_EISDIR = 1517 + XML_IO_EMFILE = 1518 + XML_IO_EMLINK = 1519 + XML_IO_EMSGSIZE = 1520 + XML_IO_ENAMETOOLONG = 1521 + XML_IO_ENFILE = 1522 + XML_IO_ENODEV = 1523 + XML_IO_ENOENT = 1524 # File not found + XML_IO_ENOEXEC = 1525 + XML_IO_ENOLCK = 1526 + XML_IO_ENOMEM = 1527 + XML_IO_ENOSPC = 1528 + XML_IO_ENOSYS = 1529 + XML_IO_ENOTDIR = 1530 + XML_IO_ENOTEMPTY = 1531 + XML_IO_ENOTSUP = 1532 + XML_IO_ENOTTY = 1533 + XML_IO_ENXIO = 1534 + XML_IO_EPERM = 1535 + XML_IO_EPIPE = 1536 + XML_IO_ERANGE = 1537 + XML_IO_EROFS = 1538 + XML_IO_ESPIPE = 1539 + XML_IO_ESRCH = 1540 + XML_IO_ETIMEDOUT = 1541 + XML_IO_EXDEV = 1542 + XML_IO_NETWORK_ATTEMPT = 1543 + XML_IO_ENCODER = 1544 + XML_IO_FLUSH = 1545 + XML_IO_WRITE = 1546 + XML_IO_NO_INPUT = 1547 + XML_IO_BUFFER_FULL = 1548 + XML_IO_LOAD_ERROR = 1549 + XML_IO_ENOTSOCK = 1550 + XML_IO_EISCONN = 1551 + XML_IO_ECONNREFUSED = 1552 + XML_IO_ENETUNREACH = 1553 + XML_IO_EADDRINUSE = 1554 + XML_IO_EALREADY = 1555 + XML_IO_EAFNOSUPPORT = 1556 + XML_IO_UNSUPPORTED_PROTOCOL = 1557 + XML_XINCLUDE_RECURSION = 1600 + XML_XINCLUDE_PARSE_VALUE = 1601 + XML_XINCLUDE_ENTITY_DEF_MISMATCH = 1602 + XML_XINCLUDE_NO_HREF = 1603 + XML_XINCLUDE_NO_FALLBACK = 1604 + XML_XINCLUDE_HREF_URI = 1605 + XML_XINCLUDE_TEXT_FRAGMENT = 1606 + XML_XINCLUDE_TEXT_DOCUMENT = 1607 + XML_XINCLUDE_INVALID_CHAR = 1608 + XML_XINCLUDE_BUILD_FAILED = 1609 + XML_XINCLUDE_UNKNOWN_ENCODING = 1610 + XML_XINCLUDE_MULTIPLE_ROOT = 1611 + XML_XINCLUDE_XPTR_FAILED = 1612 + XML_XINCLUDE_XPTR_RESULT = 1613 + XML_XINCLUDE_INCLUDE_IN_INCLUDE = 1614 + XML_XINCLUDE_FALLBACKS_IN_INCLUDE = 1615 + XML_XINCLUDE_FALLBACK_NOT_IN_INCLUDE = 1616 + XML_XINCLUDE_DEPRECATED_NS = 1617 + XML_XINCLUDE_FRAGMENT_ID = 1618 + XML_CATALOG_MISSING_ATTR = 1650 + XML_CATALOG_ENTRY_BROKEN = 1651 + XML_CATALOG_PREFER_VALUE = 1652 + XML_CATALOG_NOT_CATALOG = 1653 + XML_CATALOG_RECURSION = 1654 + XML_SCHEMAP_PREFIX_UNDEFINED = 1700 + XML_SCHEMAP_ATTRFORMDEFAULT_VALUE = 1701 + XML_SCHEMAP_ATTRGRP_NONAME_NOREF = 1702 + XML_SCHEMAP_ATTR_NONAME_NOREF = 1703 + XML_SCHEMAP_COMPLEXTYPE_NONAME_NOREF = 1704 + XML_SCHEMAP_ELEMFORMDEFAULT_VALUE = 1705 + XML_SCHEMAP_ELEM_NONAME_NOREF = 1706 + XML_SCHEMAP_EXTENSION_NO_BASE = 1707 + XML_SCHEMAP_FACET_NO_VALUE = 1708 + XML_SCHEMAP_FAILED_BUILD_IMPORT = 1709 + XML_SCHEMAP_GROUP_NONAME_NOREF = 1710 + XML_SCHEMAP_IMPORT_NAMESPACE_NOT_URI = 1711 + XML_SCHEMAP_IMPORT_REDEFINE_NSNAME = 1712 + XML_SCHEMAP_IMPORT_SCHEMA_NOT_URI = 1713 + XML_SCHEMAP_INVALID_BOOLEAN = 1714 + XML_SCHEMAP_INVALID_ENUM = 1715 + XML_SCHEMAP_INVALID_FACET = 1716 + XML_SCHEMAP_INVALID_FACET_VALUE = 1717 + XML_SCHEMAP_INVALID_MAXOCCURS = 1718 + XML_SCHEMAP_INVALID_MINOCCURS = 1719 + XML_SCHEMAP_INVALID_REF_AND_SUBTYPE = 1720 + XML_SCHEMAP_INVALID_WHITE_SPACE = 1721 + XML_SCHEMAP_NOATTR_NOREF = 1722 + XML_SCHEMAP_NOTATION_NO_NAME = 1723 + XML_SCHEMAP_NOTYPE_NOREF = 1724 + XML_SCHEMAP_REF_AND_SUBTYPE = 1725 + XML_SCHEMAP_RESTRICTION_NONAME_NOREF = 1726 + XML_SCHEMAP_SIMPLETYPE_NONAME = 1727 + XML_SCHEMAP_TYPE_AND_SUBTYPE = 1728 + XML_SCHEMAP_UNKNOWN_ALL_CHILD = 1729 + XML_SCHEMAP_UNKNOWN_ANYATTRIBUTE_CHILD = 1730 + XML_SCHEMAP_UNKNOWN_ATTR_CHILD = 1731 + XML_SCHEMAP_UNKNOWN_ATTRGRP_CHILD = 1732 + XML_SCHEMAP_UNKNOWN_ATTRIBUTE_GROUP = 1733 + XML_SCHEMAP_UNKNOWN_BASE_TYPE = 1734 + XML_SCHEMAP_UNKNOWN_CHOICE_CHILD = 1735 + XML_SCHEMAP_UNKNOWN_COMPLEXCONTENT_CHILD = 1736 + XML_SCHEMAP_UNKNOWN_COMPLEXTYPE_CHILD = 1737 + XML_SCHEMAP_UNKNOWN_ELEM_CHILD = 1738 + XML_SCHEMAP_UNKNOWN_EXTENSION_CHILD = 1739 + XML_SCHEMAP_UNKNOWN_FACET_CHILD = 1740 + XML_SCHEMAP_UNKNOWN_FACET_TYPE = 1741 + XML_SCHEMAP_UNKNOWN_GROUP_CHILD = 1742 + XML_SCHEMAP_UNKNOWN_IMPORT_CHILD = 1743 + XML_SCHEMAP_UNKNOWN_LIST_CHILD = 1744 + XML_SCHEMAP_UNKNOWN_NOTATION_CHILD = 1745 + XML_SCHEMAP_UNKNOWN_PROCESSCONTENT_CHILD = 1746 + XML_SCHEMAP_UNKNOWN_REF = 1747 + XML_SCHEMAP_UNKNOWN_RESTRICTION_CHILD = 1748 + XML_SCHEMAP_UNKNOWN_SCHEMAS_CHILD = 1749 + XML_SCHEMAP_UNKNOWN_SEQUENCE_CHILD = 1750 + XML_SCHEMAP_UNKNOWN_SIMPLECONTENT_CHILD = 1751 + XML_SCHEMAP_UNKNOWN_SIMPLETYPE_CHILD = 1752 + XML_SCHEMAP_UNKNOWN_TYPE = 1753 + XML_SCHEMAP_UNKNOWN_UNION_CHILD = 1754 + XML_SCHEMAP_ELEM_DEFAULT_FIXED = 1755 + XML_SCHEMAP_REGEXP_INVALID = 1756 + XML_SCHEMAP_FAILED_LOAD = 1757 + XML_SCHEMAP_NOTHING_TO_PARSE = 1758 + XML_SCHEMAP_NOROOT = 1759 + XML_SCHEMAP_REDEFINED_GROUP = 1760 + XML_SCHEMAP_REDEFINED_TYPE = 1761 + XML_SCHEMAP_REDEFINED_ELEMENT = 1762 + XML_SCHEMAP_REDEFINED_ATTRGROUP = 1763 + XML_SCHEMAP_REDEFINED_ATTR = 1764 + XML_SCHEMAP_REDEFINED_NOTATION = 1765 + XML_SCHEMAP_FAILED_PARSE = 1766 + XML_SCHEMAP_UNKNOWN_PREFIX = 1767 + XML_SCHEMAP_DEF_AND_PREFIX = 1768 + XML_SCHEMAP_UNKNOWN_INCLUDE_CHILD = 1769 + XML_SCHEMAP_INCLUDE_SCHEMA_NOT_URI = 1770 + XML_SCHEMAP_INCLUDE_SCHEMA_NO_URI = 1771 + XML_SCHEMAP_NOT_SCHEMA = 1772 + XML_SCHEMAP_UNKNOWN_MEMBER_TYPE = 1773 + XML_SCHEMAP_INVALID_ATTR_USE = 1774 + XML_SCHEMAP_RECURSIVE = 1775 + XML_SCHEMAP_SUPERNUMEROUS_LIST_ITEM_TYPE = 1776 + XML_SCHEMAP_INVALID_ATTR_COMBINATION = 1777 + XML_SCHEMAP_INVALID_ATTR_INLINE_COMBINATION = 1778 + XML_SCHEMAP_MISSING_SIMPLETYPE_CHILD = 1779 + XML_SCHEMAP_INVALID_ATTR_NAME = 1780 + XML_SCHEMAP_REF_AND_CONTENT = 1781 + XML_SCHEMAP_CT_PROPS_CORRECT_1 = 1782 + XML_SCHEMAP_CT_PROPS_CORRECT_2 = 1783 + XML_SCHEMAP_CT_PROPS_CORRECT_3 = 1784 + XML_SCHEMAP_CT_PROPS_CORRECT_4 = 1785 + XML_SCHEMAP_CT_PROPS_CORRECT_5 = 1786 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_1 = 1787 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_2_1_1 = 1788 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_2_1_2 = 1789 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_2_2 = 1790 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_3 = 1791 + XML_SCHEMAP_WILDCARD_INVALID_NS_MEMBER = 1792 + XML_SCHEMAP_INTERSECTION_NOT_EXPRESSIBLE = 1793 + XML_SCHEMAP_UNION_NOT_EXPRESSIBLE = 1794 + XML_SCHEMAP_SRC_IMPORT_3_1 = 1795 + XML_SCHEMAP_SRC_IMPORT_3_2 = 1796 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_4_1 = 1797 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_4_2 = 1798 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_4_3 = 1799 + XML_SCHEMAP_COS_CT_EXTENDS_1_3 = 1800 + XML_SCHEMAV_NOROOT = 1801 + XML_SCHEMAV_UNDECLAREDELEM = 1802 + XML_SCHEMAV_NOTTOPLEVEL = 1803 + XML_SCHEMAV_MISSING = 1804 + XML_SCHEMAV_WRONGELEM = 1805 + XML_SCHEMAV_NOTYPE = 1806 + XML_SCHEMAV_NOROLLBACK = 1807 + XML_SCHEMAV_ISABSTRACT = 1808 + XML_SCHEMAV_NOTEMPTY = 1809 + XML_SCHEMAV_ELEMCONT = 1810 + XML_SCHEMAV_HAVEDEFAULT = 1811 + XML_SCHEMAV_NOTNILLABLE = 1812 + XML_SCHEMAV_EXTRACONTENT = 1813 + XML_SCHEMAV_INVALIDATTR = 1814 + XML_SCHEMAV_INVALIDELEM = 1815 + XML_SCHEMAV_NOTDETERMINIST = 1816 + XML_SCHEMAV_CONSTRUCT = 1817 + XML_SCHEMAV_INTERNAL = 1818 + XML_SCHEMAV_NOTSIMPLE = 1819 + XML_SCHEMAV_ATTRUNKNOWN = 1820 + XML_SCHEMAV_ATTRINVALID = 1821 + XML_SCHEMAV_VALUE = 1822 + XML_SCHEMAV_FACET = 1823 + XML_SCHEMAV_CVC_DATATYPE_VALID_1_2_1 = 1824 + XML_SCHEMAV_CVC_DATATYPE_VALID_1_2_2 = 1825 + XML_SCHEMAV_CVC_DATATYPE_VALID_1_2_3 = 1826 + XML_SCHEMAV_CVC_TYPE_3_1_1 = 1827 + XML_SCHEMAV_CVC_TYPE_3_1_2 = 1828 + XML_SCHEMAV_CVC_FACET_VALID = 1829 + XML_SCHEMAV_CVC_LENGTH_VALID = 1830 + XML_SCHEMAV_CVC_MINLENGTH_VALID = 1831 + XML_SCHEMAV_CVC_MAXLENGTH_VALID = 1832 + XML_SCHEMAV_CVC_MININCLUSIVE_VALID = 1833 + XML_SCHEMAV_CVC_MAXINCLUSIVE_VALID = 1834 + XML_SCHEMAV_CVC_MINEXCLUSIVE_VALID = 1835 + XML_SCHEMAV_CVC_MAXEXCLUSIVE_VALID = 1836 + XML_SCHEMAV_CVC_TOTALDIGITS_VALID = 1837 + XML_SCHEMAV_CVC_FRACTIONDIGITS_VALID = 1838 + XML_SCHEMAV_CVC_PATTERN_VALID = 1839 + XML_SCHEMAV_CVC_ENUMERATION_VALID = 1840 + XML_SCHEMAV_CVC_COMPLEX_TYPE_2_1 = 1841 + XML_SCHEMAV_CVC_COMPLEX_TYPE_2_2 = 1842 + XML_SCHEMAV_CVC_COMPLEX_TYPE_2_3 = 1843 + XML_SCHEMAV_CVC_COMPLEX_TYPE_2_4 = 1844 + XML_SCHEMAV_CVC_ELT_1 = 1845 + XML_SCHEMAV_CVC_ELT_2 = 1846 + XML_SCHEMAV_CVC_ELT_3_1 = 1847 + XML_SCHEMAV_CVC_ELT_3_2_1 = 1848 + XML_SCHEMAV_CVC_ELT_3_2_2 = 1849 + XML_SCHEMAV_CVC_ELT_4_1 = 1850 + XML_SCHEMAV_CVC_ELT_4_2 = 1851 + XML_SCHEMAV_CVC_ELT_4_3 = 1852 + XML_SCHEMAV_CVC_ELT_5_1_1 = 1853 + XML_SCHEMAV_CVC_ELT_5_1_2 = 1854 + XML_SCHEMAV_CVC_ELT_5_2_1 = 1855 + XML_SCHEMAV_CVC_ELT_5_2_2_1 = 1856 + XML_SCHEMAV_CVC_ELT_5_2_2_2_1 = 1857 + XML_SCHEMAV_CVC_ELT_5_2_2_2_2 = 1858 + XML_SCHEMAV_CVC_ELT_6 = 1859 + XML_SCHEMAV_CVC_ELT_7 = 1860 + XML_SCHEMAV_CVC_ATTRIBUTE_1 = 1861 + XML_SCHEMAV_CVC_ATTRIBUTE_2 = 1862 + XML_SCHEMAV_CVC_ATTRIBUTE_3 = 1863 + XML_SCHEMAV_CVC_ATTRIBUTE_4 = 1864 + XML_SCHEMAV_CVC_COMPLEX_TYPE_3_1 = 1865 + XML_SCHEMAV_CVC_COMPLEX_TYPE_3_2_1 = 1866 + XML_SCHEMAV_CVC_COMPLEX_TYPE_3_2_2 = 1867 + XML_SCHEMAV_CVC_COMPLEX_TYPE_4 = 1868 + XML_SCHEMAV_CVC_COMPLEX_TYPE_5_1 = 1869 + XML_SCHEMAV_CVC_COMPLEX_TYPE_5_2 = 1870 + XML_SCHEMAV_ELEMENT_CONTENT = 1871 + XML_SCHEMAV_DOCUMENT_ELEMENT_MISSING = 1872 + XML_SCHEMAV_CVC_COMPLEX_TYPE_1 = 1873 + XML_SCHEMAV_CVC_AU = 1874 + XML_SCHEMAV_CVC_TYPE_1 = 1875 + XML_SCHEMAV_CVC_TYPE_2 = 1876 + XML_SCHEMAV_CVC_IDC = 1877 + XML_SCHEMAV_CVC_WILDCARD = 1878 + XML_SCHEMAV_MISC = 1879 + XML_XPTR_UNKNOWN_SCHEME = 1900 + XML_XPTR_CHILDSEQ_START = 1901 + XML_XPTR_EVAL_FAILED = 1902 + XML_XPTR_EXTRA_OBJECTS = 1903 + XML_C14N_CREATE_CTXT = 1950 + XML_C14N_REQUIRES_UTF8 = 1951 + XML_C14N_CREATE_STACK = 1952 + XML_C14N_INVALID_NODE = 1953 + XML_C14N_UNKNOW_NODE = 1954 + XML_C14N_RELATIVE_NAMESPACE = 1955 + XML_FTP_PASV_ANSWER = 2000 + XML_FTP_EPSV_ANSWER = 2001 + XML_FTP_ACCNT = 2002 + XML_FTP_URL_SYNTAX = 2003 + XML_HTTP_URL_SYNTAX = 2020 + XML_HTTP_USE_IP = 2021 + XML_HTTP_UNKNOWN_HOST = 2022 + XML_SCHEMAP_SRC_SIMPLE_TYPE_1 = 3000 + XML_SCHEMAP_SRC_SIMPLE_TYPE_2 = 3001 + XML_SCHEMAP_SRC_SIMPLE_TYPE_3 = 3002 + XML_SCHEMAP_SRC_SIMPLE_TYPE_4 = 3003 + XML_SCHEMAP_SRC_RESOLVE = 3004 + XML_SCHEMAP_SRC_RESTRICTION_BASE_OR_SIMPLETYPE = 3005 + XML_SCHEMAP_SRC_LIST_ITEMTYPE_OR_SIMPLETYPE = 3006 + XML_SCHEMAP_SRC_UNION_MEMBERTYPES_OR_SIMPLETYPES = 3007 + XML_SCHEMAP_ST_PROPS_CORRECT_1 = 3008 + XML_SCHEMAP_ST_PROPS_CORRECT_2 = 3009 + XML_SCHEMAP_ST_PROPS_CORRECT_3 = 3010 + XML_SCHEMAP_COS_ST_RESTRICTS_1_1 = 3011 + XML_SCHEMAP_COS_ST_RESTRICTS_1_2 = 3012 + XML_SCHEMAP_COS_ST_RESTRICTS_1_3_1 = 3013 + XML_SCHEMAP_COS_ST_RESTRICTS_1_3_2 = 3014 + XML_SCHEMAP_COS_ST_RESTRICTS_2_1 = 3015 + XML_SCHEMAP_COS_ST_RESTRICTS_2_3_1_1 = 3016 + XML_SCHEMAP_COS_ST_RESTRICTS_2_3_1_2 = 3017 + XML_SCHEMAP_COS_ST_RESTRICTS_2_3_2_1 = 3018 + XML_SCHEMAP_COS_ST_RESTRICTS_2_3_2_2 = 3019 + XML_SCHEMAP_COS_ST_RESTRICTS_2_3_2_3 = 3020 + XML_SCHEMAP_COS_ST_RESTRICTS_2_3_2_4 = 3021 + XML_SCHEMAP_COS_ST_RESTRICTS_2_3_2_5 = 3022 + XML_SCHEMAP_COS_ST_RESTRICTS_3_1 = 3023 + XML_SCHEMAP_COS_ST_RESTRICTS_3_3_1 = 3024 + XML_SCHEMAP_COS_ST_RESTRICTS_3_3_1_2 = 3025 + XML_SCHEMAP_COS_ST_RESTRICTS_3_3_2_2 = 3026 + XML_SCHEMAP_COS_ST_RESTRICTS_3_3_2_1 = 3027 + XML_SCHEMAP_COS_ST_RESTRICTS_3_3_2_3 = 3028 + XML_SCHEMAP_COS_ST_RESTRICTS_3_3_2_4 = 3029 + XML_SCHEMAP_COS_ST_RESTRICTS_3_3_2_5 = 3030 + XML_SCHEMAP_COS_ST_DERIVED_OK_2_1 = 3031 + XML_SCHEMAP_COS_ST_DERIVED_OK_2_2 = 3032 + XML_SCHEMAP_S4S_ELEM_NOT_ALLOWED = 3033 + XML_SCHEMAP_S4S_ELEM_MISSING = 3034 + XML_SCHEMAP_S4S_ATTR_NOT_ALLOWED = 3035 + XML_SCHEMAP_S4S_ATTR_MISSING = 3036 + XML_SCHEMAP_S4S_ATTR_INVALID_VALUE = 3037 + XML_SCHEMAP_SRC_ELEMENT_1 = 3038 + XML_SCHEMAP_SRC_ELEMENT_2_1 = 3039 + XML_SCHEMAP_SRC_ELEMENT_2_2 = 3040 + XML_SCHEMAP_SRC_ELEMENT_3 = 3041 + XML_SCHEMAP_P_PROPS_CORRECT_1 = 3042 + XML_SCHEMAP_P_PROPS_CORRECT_2_1 = 3043 + XML_SCHEMAP_P_PROPS_CORRECT_2_2 = 3044 + XML_SCHEMAP_E_PROPS_CORRECT_2 = 3045 + XML_SCHEMAP_E_PROPS_CORRECT_3 = 3046 + XML_SCHEMAP_E_PROPS_CORRECT_4 = 3047 + XML_SCHEMAP_E_PROPS_CORRECT_5 = 3048 + XML_SCHEMAP_E_PROPS_CORRECT_6 = 3049 + XML_SCHEMAP_SRC_INCLUDE = 3050 + XML_SCHEMAP_SRC_ATTRIBUTE_1 = 3051 + XML_SCHEMAP_SRC_ATTRIBUTE_2 = 3052 + XML_SCHEMAP_SRC_ATTRIBUTE_3_1 = 3053 + XML_SCHEMAP_SRC_ATTRIBUTE_3_2 = 3054 + XML_SCHEMAP_SRC_ATTRIBUTE_4 = 3055 + XML_SCHEMAP_NO_XMLNS = 3056 + XML_SCHEMAP_NO_XSI = 3057 + XML_SCHEMAP_COS_VALID_DEFAULT_1 = 3058 + XML_SCHEMAP_COS_VALID_DEFAULT_2_1 = 3059 + XML_SCHEMAP_COS_VALID_DEFAULT_2_2_1 = 3060 + XML_SCHEMAP_COS_VALID_DEFAULT_2_2_2 = 3061 + XML_SCHEMAP_CVC_SIMPLE_TYPE = 3062 + XML_SCHEMAP_COS_CT_EXTENDS_1_1 = 3063 + XML_SCHEMAP_SRC_IMPORT_1_1 = 3064 + XML_SCHEMAP_SRC_IMPORT_1_2 = 3065 + XML_SCHEMAP_SRC_IMPORT_2 = 3066 + XML_SCHEMAP_SRC_IMPORT_2_1 = 3067 + XML_SCHEMAP_SRC_IMPORT_2_2 = 3068 + XML_SCHEMAP_INTERNAL = 3069 + XML_SCHEMAP_NOT_DETERMINISTIC = 3070 + XML_SCHEMAP_SRC_ATTRIBUTE_GROUP_1 = 3071 + XML_SCHEMAP_SRC_ATTRIBUTE_GROUP_2 = 3072 + XML_SCHEMAP_SRC_ATTRIBUTE_GROUP_3 = 3073 + XML_SCHEMAP_MG_PROPS_CORRECT_1 = 3074 + XML_SCHEMAP_MG_PROPS_CORRECT_2 = 3075 + XML_SCHEMAP_SRC_CT_1 = 3076 + XML_SCHEMAP_DERIVATION_OK_RESTRICTION_2_1_3 = 3077 + XML_SCHEMAP_AU_PROPS_CORRECT_2 = 3078 + XML_SCHEMAP_A_PROPS_CORRECT_2 = 3079 + XML_SCHEMAP_C_PROPS_CORRECT = 3080 + XML_SCHEMAP_SRC_REDEFINE = 3081 + XML_SCHEMAP_SRC_IMPORT = 3082 + XML_SCHEMAP_WARN_SKIP_SCHEMA = 3083 + XML_SCHEMAP_WARN_UNLOCATED_SCHEMA = 3084 + XML_SCHEMAP_WARN_ATTR_REDECL_PROH = 3085 + XML_SCHEMAP_WARN_ATTR_POINTLESS_PROH = 3086 + XML_SCHEMAP_AG_PROPS_CORRECT = 3087 + XML_SCHEMAP_COS_CT_EXTENDS_1_2 = 3088 + XML_SCHEMAP_AU_PROPS_CORRECT = 3089 + XML_SCHEMAP_A_PROPS_CORRECT_3 = 3090 + XML_SCHEMAP_COS_ALL_LIMITED = 3091 + XML_SCHEMATRONV_ASSERT = 4000 + XML_SCHEMATRONV_REPORT = 4001 + XML_MODULE_OPEN = 4900 + XML_MODULE_CLOSE = 4901 + XML_CHECK_FOUND_ELEMENT = 5000 + XML_CHECK_FOUND_ATTRIBUTE = 5001 + XML_CHECK_FOUND_TEXT = 5002 + XML_CHECK_FOUND_CDATA = 5003 + XML_CHECK_FOUND_ENTITYREF = 5004 + XML_CHECK_FOUND_ENTITY = 5005 + XML_CHECK_FOUND_PI = 5006 + XML_CHECK_FOUND_COMMENT = 5007 + XML_CHECK_FOUND_DOCTYPE = 5008 + XML_CHECK_FOUND_FRAGMENT = 5009 + XML_CHECK_FOUND_NOTATION = 5010 + XML_CHECK_UNKNOWN_NODE = 5011 + XML_CHECK_ENTITY_TYPE = 5012 + XML_CHECK_NO_PARENT = 5013 + XML_CHECK_NO_DOC = 5014 + XML_CHECK_NO_NAME = 5015 + XML_CHECK_NO_ELEM = 5016 + XML_CHECK_WRONG_DOC = 5017 + XML_CHECK_NO_PREV = 5018 + XML_CHECK_WRONG_PREV = 5019 + XML_CHECK_NO_NEXT = 5020 + XML_CHECK_WRONG_NEXT = 5021 + XML_CHECK_NOT_DTD = 5022 + XML_CHECK_NOT_ATTR = 5023 + XML_CHECK_NOT_ATTR_DECL = 5024 + XML_CHECK_NOT_ELEM_DECL = 5025 + XML_CHECK_NOT_ENTITY_DECL = 5026 + XML_CHECK_NOT_NS_DECL = 5027 + XML_CHECK_NO_HREF = 5028 + XML_CHECK_WRONG_PARENT = 5029 + XML_CHECK_NS_SCOPE = 5030 + XML_CHECK_NS_ANCESTOR = 5031 + XML_CHECK_NOT_UTF8 = 5032 + XML_CHECK_NO_DICT = 5033 + XML_CHECK_NOT_NCNAME = 5034 + XML_CHECK_OUTSIDE_DICT = 5035 + XML_CHECK_WRONG_NAME = 5036 + XML_CHECK_NAME_NOT_NULL = 5037 + XML_I18N_NO_NAME = 6000 + XML_I18N_NO_HANDLER = 6001 + XML_I18N_EXCESS_HANDLER = 6002 + XML_I18N_CONV_FAILED = 6003 + XML_I18N_NO_OUTPUT = 6004 + XML_BUF_OVERFLOW = 7000 + + ctypedef enum xmlRelaxNGValidErr: + XML_RELAXNG_OK = 0 + XML_RELAXNG_ERR_MEMORY = 1 + XML_RELAXNG_ERR_TYPE = 2 + XML_RELAXNG_ERR_TYPEVAL = 3 + XML_RELAXNG_ERR_DUPID = 4 + XML_RELAXNG_ERR_TYPECMP = 5 + XML_RELAXNG_ERR_NOSTATE = 6 + XML_RELAXNG_ERR_NODEFINE = 7 + XML_RELAXNG_ERR_LISTEXTRA = 8 + XML_RELAXNG_ERR_LISTEMPTY = 9 + XML_RELAXNG_ERR_INTERNODATA = 10 + XML_RELAXNG_ERR_INTERSEQ = 11 + XML_RELAXNG_ERR_INTEREXTRA = 12 + XML_RELAXNG_ERR_ELEMNAME = 13 + XML_RELAXNG_ERR_ATTRNAME = 14 + XML_RELAXNG_ERR_ELEMNONS = 15 + XML_RELAXNG_ERR_ATTRNONS = 16 + XML_RELAXNG_ERR_ELEMWRONGNS = 17 + XML_RELAXNG_ERR_ATTRWRONGNS = 18 + XML_RELAXNG_ERR_ELEMEXTRANS = 19 + XML_RELAXNG_ERR_ATTREXTRANS = 20 + XML_RELAXNG_ERR_ELEMNOTEMPTY = 21 + XML_RELAXNG_ERR_NOELEM = 22 + XML_RELAXNG_ERR_NOTELEM = 23 + XML_RELAXNG_ERR_ATTRVALID = 24 + XML_RELAXNG_ERR_CONTENTVALID = 25 + XML_RELAXNG_ERR_EXTRACONTENT = 26 + XML_RELAXNG_ERR_INVALIDATTR = 27 + XML_RELAXNG_ERR_DATAELEM = 28 + XML_RELAXNG_ERR_VALELEM = 29 + XML_RELAXNG_ERR_LISTELEM = 30 + XML_RELAXNG_ERR_DATATYPE = 31 + XML_RELAXNG_ERR_VALUE = 32 + XML_RELAXNG_ERR_LIST = 33 + XML_RELAXNG_ERR_NOGRAMMAR = 34 + XML_RELAXNG_ERR_EXTRADATA = 35 + XML_RELAXNG_ERR_LACKDATA = 36 + XML_RELAXNG_ERR_INTERNAL = 37 + XML_RELAXNG_ERR_ELEMWRONG = 38 + XML_RELAXNG_ERR_TEXTWRONG = 39 +# --- END: GENERATED CONSTANTS --- + +cdef extern from "libxml/xmlerror.h" nogil: + ctypedef struct xmlError: + int domain + int code + char* message + xmlErrorLevel level + char* file + char* str1 + char* str2 + char* str3 + int line + int int1 + int int2 + void* node + + ctypedef void (*xmlGenericErrorFunc)(void* ctxt, char* msg, ...) noexcept + ctypedef void (*xmlStructuredErrorFunc)(void* userData, + const xmlError* error) noexcept + + cdef void xmlSetGenericErrorFunc( + void* ctxt, xmlGenericErrorFunc func) + cdef void xmlSetStructuredErrorFunc( + void* ctxt, xmlStructuredErrorFunc func) + +cdef extern from "libxml/globals.h" nogil: + cdef xmlStructuredErrorFunc xmlStructuredError + cdef void* xmlStructuredErrorContext diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/xmlparser.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/xmlparser.pxd new file mode 100644 index 0000000000000000000000000000000000000000..5e01a16f22376a614f6b3a97e81d6b15d9c6f391 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/xmlparser.pxd @@ -0,0 +1,319 @@ +from libc.string cimport const_char + +from lxml.includes.tree cimport ( + xmlDoc, xmlNode, xmlEntity, xmlDict, xmlDtd, xmlChar, const_xmlChar) +from lxml.includes.tree cimport xmlInputReadCallback, xmlInputCloseCallback +from lxml.includes.xmlerror cimport xmlError, xmlStructuredErrorFunc, xmlErrorLevel + + +cdef extern from "libxml/parser.h" nogil: + ctypedef void (*startElementNsSAX2Func)(void* ctx, + const_xmlChar* localname, + const_xmlChar* prefix, + const_xmlChar* URI, + int nb_namespaces, + const_xmlChar** namespaces, + int nb_attributes, + int nb_defaulted, + const_xmlChar** attributes) noexcept + + ctypedef void (*endElementNsSAX2Func)(void* ctx, + const_xmlChar* localname, + const_xmlChar* prefix, + const_xmlChar* URI) noexcept + + ctypedef void (*startElementSAXFunc)(void* ctx, const_xmlChar* name, const_xmlChar** atts) noexcept + + ctypedef void (*endElementSAXFunc)(void* ctx, const_xmlChar* name) noexcept + + ctypedef void (*charactersSAXFunc)(void* ctx, const_xmlChar* ch, int len) noexcept + + ctypedef void (*cdataBlockSAXFunc)(void* ctx, const_xmlChar* value, int len) noexcept + + ctypedef void (*commentSAXFunc)(void* ctx, const_xmlChar* value) noexcept + + ctypedef void (*processingInstructionSAXFunc)(void* ctx, + const_xmlChar* target, + const_xmlChar* data) noexcept + + ctypedef void (*internalSubsetSAXFunc)(void* ctx, + const_xmlChar* name, + const_xmlChar* externalID, + const_xmlChar* systemID) noexcept + + ctypedef void (*endDocumentSAXFunc)(void* ctx) noexcept + + ctypedef void (*startDocumentSAXFunc)(void* ctx) noexcept + + ctypedef void (*referenceSAXFunc)(void * ctx, const_xmlChar* name) noexcept + + ctypedef xmlEntity* (*getEntitySAXFunc)(void* ctx, const_xmlChar* name) noexcept + + cdef int XML_SAX2_MAGIC + +cdef extern from "libxml/tree.h" nogil: + ctypedef struct xmlParserInput: + int line + int col + int length + const_xmlChar* base + const_xmlChar* cur + const_xmlChar* end + const_char *filename + + ctypedef struct xmlParserInputBuffer: + void* context + xmlInputReadCallback readcallback + xmlInputCloseCallback closecallback + + ctypedef struct xmlSAXHandlerV1: + # same as xmlSAXHandler, but without namespaces + pass + + ctypedef struct xmlSAXHandler: + internalSubsetSAXFunc internalSubset + startElementNsSAX2Func startElementNs + endElementNsSAX2Func endElementNs + startElementSAXFunc startElement + endElementSAXFunc endElement + charactersSAXFunc characters + cdataBlockSAXFunc cdataBlock + referenceSAXFunc reference + getEntitySAXFunc getEntity + getEntitySAXFunc getParameterEntity + commentSAXFunc comment + processingInstructionSAXFunc processingInstruction + startDocumentSAXFunc startDocument + endDocumentSAXFunc endDocument + int initialized + xmlStructuredErrorFunc serror + void* _private + + +cdef extern from "libxml/SAX2.h" nogil: + cdef void xmlSAX2StartDocument(void* ctxt) + + +cdef extern from "libxml/xmlIO.h" nogil: + cdef xmlParserInputBuffer* xmlAllocParserInputBuffer(int enc) + + +cdef extern from "libxml/parser.h" nogil: + + ctypedef enum xmlFeature: + XML_WITH_THREAD = 1 + XML_WITH_TREE = 2 + XML_WITH_OUTPUT = 3 + XML_WITH_PUSH = 4 + XML_WITH_READER = 5 + XML_WITH_PATTERN = 6 + XML_WITH_WRITER = 7 + XML_WITH_SAX1 = 8 + XML_WITH_FTP = 9 + XML_WITH_HTTP = 10 + XML_WITH_VALID = 11 + XML_WITH_HTML = 12 + XML_WITH_LEGACY = 13 + XML_WITH_C14N = 14 + XML_WITH_CATALOG = 15 + XML_WITH_XPATH = 16 + XML_WITH_XPTR = 17 + XML_WITH_XINCLUDE = 18 + XML_WITH_ICONV = 19 + XML_WITH_ISO8859X = 20 + XML_WITH_UNICODE = 21 + XML_WITH_REGEXP = 22 + XML_WITH_AUTOMATA = 23 + XML_WITH_EXPR = 24 + XML_WITH_SCHEMAS = 25 + XML_WITH_SCHEMATRON = 26 + XML_WITH_MODULES = 27 + XML_WITH_DEBUG = 28 + XML_WITH_DEBUG_MEM = 29 + XML_WITH_DEBUG_RUN = 30 + XML_WITH_ZLIB = 31 + XML_WITH_ICU = 32 + XML_WITH_LZMA = 33 + + cdef bint xmlHasFeature(xmlFeature feature) + + cdef xmlDict* xmlDictCreate() + cdef xmlDict* xmlDictCreateSub(xmlDict* subdict) + cdef void xmlDictFree(xmlDict* sub) + cdef int xmlDictReference(xmlDict* dict) + + cdef int XML_COMPLETE_ATTRS # SAX option for adding DTD default attributes + cdef int XML_SKIP_IDS # SAX option for not building an XML ID dict + + ctypedef enum xmlParserInputState: + XML_PARSER_EOF = -1 # nothing is to be parsed + XML_PARSER_START = 0 # nothing has been parsed + XML_PARSER_MISC = 1 # Misc* before int subset + XML_PARSER_PI = 2 # Within a processing instruction + XML_PARSER_DTD = 3 # within some DTD content + XML_PARSER_PROLOG = 4 # Misc* after internal subset + XML_PARSER_COMMENT = 5 # within a comment + XML_PARSER_START_TAG = 6 # within a start tag + XML_PARSER_CONTENT = 7 # within the content + XML_PARSER_CDATA_SECTION = 8 # within a CDATA section + XML_PARSER_END_TAG = 9 # within a closing tag + XML_PARSER_ENTITY_DECL = 10 # within an entity declaration + XML_PARSER_ENTITY_VALUE = 11 # within an entity value in a decl + XML_PARSER_ATTRIBUTE_VALUE = 12 # within an attribute value + XML_PARSER_SYSTEM_LITERAL = 13 # within a SYSTEM value + XML_PARSER_EPILOG = 14 # the Misc* after the last end tag + XML_PARSER_IGNORE = 15 # within an IGNORED section + XML_PARSER_PUBLIC_LITERAL = 16 # within a PUBLIC value + + + ctypedef struct xmlParserCtxt: + xmlDoc* myDoc + xmlDict* dict + int dictNames + void* _private + bint wellFormed + bint recovery + int options + bint disableSAX + int errNo + xmlParserInputState instate + bint replaceEntities + int loadsubset # != 0 if enabled, int value == why + bint validate + xmlError lastError + xmlNode* node + xmlSAXHandler* sax + void* userData + int* spaceTab + int spaceMax + int nsNr + bint html + bint progressive + int inSubset + int charset + xmlParserInput* input + int inputNr + xmlParserInput* inputTab[] + + ctypedef enum xmlParserOption: + XML_PARSE_RECOVER = 0x1 # recover on errors + XML_PARSE_NOENT = 0x2 # substitute entities + XML_PARSE_DTDLOAD = 0x4 # load the external subset + XML_PARSE_DTDATTR = 0x8 # default DTD attributes + XML_PARSE_DTDVALID = 0x10 # validate with the DTD + XML_PARSE_NOERROR = 0x20 # suppress error reports + XML_PARSE_NOWARNING = 0x40 # suppress warning reports + XML_PARSE_PEDANTIC = 0x80 # pedantic error reporting + XML_PARSE_NOBLANKS = 0x100 # remove blank nodes + XML_PARSE_SAX1 = 0x200 # use the SAX1 interface internally + XML_PARSE_XINCLUDE = 0x400 # Implement XInclude substitution + XML_PARSE_NONET = 0x800 # Forbid network access + XML_PARSE_NODICT = 0x1000 # Do not reuse the context dictionary + XML_PARSE_NSCLEAN = 0x2000 # remove redundant namespaces declarations + XML_PARSE_NOCDATA = 0x4000 # merge CDATA as text nodes + XML_PARSE_NOXINCNODE = 0x8000 # do not generate XINCLUDE START/END nodes + # libxml2 2.6.21+ only: + XML_PARSE_COMPACT = 0x1_0000 # compact small text nodes + # libxml2 2.7.0+ only: + XML_PARSE_OLD10 = 0x2_0000 # parse using XML-1.0 before update 5 + XML_PARSE_NOBASEFIX = 0x4_0000 # do not fixup XINCLUDE xml:base uris + XML_PARSE_HUGE = 0x8_0000 # relax any hardcoded limit from the parser + # libxml2 2.7.3+ only: + XML_PARSE_OLDSAX = 0x10_0000 # parse using SAX2 interface before 2.7.0 + # libxml2 2.8.0+ only: + XML_PARSE_IGNORE_ENC = 0x20_0000 # ignore internal document encoding hint + # libxml2 2.9.0+ only: + XML_PARSE_BIG_LINES = 0x40_0000 # Store big lines numbers in text PSVI field + # libxml2 2.13.0+ only: + XML_PARSE_NO_XXE = 0x80_0000 # Disable loading of external DTDs or entities + # libxml2 2.14.0+ only: + XML_PARSE_UNZIP = 0x100_0000 # Enable input decompression (and potential gzip bombs) + XML_PARSE_NO_SYS_CATALOG = 0x200_0000 # Disable the global system XML catalog + XML_PARSE_CATALOG_PI = 0x400_0000 # Enable XML catalog processing instructions + # libxml2 2.15.0+ only: + XML_PARSE_SKIP_IDS = 0x800_0000 # Force the parser to ignore IDs + + cdef void xmlInitParser() + cdef void xmlCleanupParser() + + cdef int xmlLineNumbersDefault(int onoff) + cdef xmlParserCtxt* xmlNewParserCtxt() + cdef xmlParserInput* xmlNewIOInputStream(xmlParserCtxt* ctxt, + xmlParserInputBuffer* input, + int enc) + cdef int xmlCtxtUseOptions(xmlParserCtxt* ctxt, int options) + cdef void xmlFreeParserCtxt(xmlParserCtxt* ctxt) + cdef void xmlCtxtReset(xmlParserCtxt* ctxt) + cdef void xmlClearParserCtxt(xmlParserCtxt* ctxt) + cdef int xmlParseChunk(xmlParserCtxt* ctxt, + char* chunk, int size, int terminate) + cdef xmlDoc* xmlCtxtReadDoc(xmlParserCtxt* ctxt, + char* cur, char* URL, char* encoding, + int options) + cdef xmlDoc* xmlCtxtReadFile(xmlParserCtxt* ctxt, + char* filename, char* encoding, + int options) + cdef xmlDoc* xmlCtxtReadIO(xmlParserCtxt* ctxt, + xmlInputReadCallback ioread, + xmlInputCloseCallback ioclose, + void* ioctx, + char* URL, char* encoding, + int options) + cdef xmlDoc* xmlCtxtReadMemory(xmlParserCtxt* ctxt, + char* buffer, int size, + char* filename, const_char* encoding, + int options) + + cdef void xmlErrParser(xmlParserCtxt* ctxt, xmlNode* node, + int domain, int code, xmlErrorLevel level, + const xmlChar *str1, const xmlChar *str2, const xmlChar *str3, + int int1, const char *msg, ...) + + +# iterparse: + + cdef xmlParserCtxt* xmlCreatePushParserCtxt(xmlSAXHandler* sax, + void* user_data, + char* chunk, + int size, + char* filename) + + cdef int xmlCtxtResetPush(xmlParserCtxt* ctxt, + char* chunk, + int size, + char* filename, + char* encoding) + +# entity loaders: + + ctypedef xmlParserInput* (*xmlExternalEntityLoader)( + const_char * URL, const_char * ID, xmlParserCtxt* context) noexcept + cdef xmlExternalEntityLoader xmlGetExternalEntityLoader() + cdef void xmlSetExternalEntityLoader(xmlExternalEntityLoader f) + + cdef xmlEntity* xmlSAX2GetEntity(void* ctxt, const_xmlChar* name) noexcept + +# DTDs: + + cdef xmlDtd* xmlParseDTD(const_xmlChar* ExternalID, const_xmlChar* SystemID) + cdef xmlDtd* xmlIOParseDTD(xmlSAXHandler* sax, + xmlParserInputBuffer* input, + int enc) + + +cdef extern from "libxml/parserInternals.h" nogil: + """ + #if LIBXML_VERSION < 21400 + #define xmlNewInputFromMemory(url, mem, size, flags) (NULL) + #endif + """ + cdef xmlParserInput* xmlNewInputStream(xmlParserCtxt* ctxt) + cdef xmlParserInput* xmlNewStringInputStream(xmlParserCtxt* ctxt, + char* buffer) + cdef xmlParserInput* xmlNewInputFromFile(xmlParserCtxt* ctxt, + char* filename) + cdef xmlParserInput* xmlNewInputFromMemory( + const char *url, const void *mem, size_t size, int flags) # actually "xmlParserInputFlags flags" + cdef void xmlFreeInputStream(xmlParserInput* input) + cdef int xmlSwitchEncoding(xmlParserCtxt* ctxt, int enc) + cdef bint xmlCtxtIsStopped(xmlParserCtxt* ctxt) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/xmlschema.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/xmlschema.pxd new file mode 100644 index 0000000000000000000000000000000000000000..0674111132ee3c2da8f2a3ec1db7d9dbb462ad30 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/xmlschema.pxd @@ -0,0 +1,35 @@ +from lxml.includes.tree cimport xmlDoc +from lxml.includes.xmlparser cimport xmlSAXHandler +from lxml.includes.xmlerror cimport xmlStructuredErrorFunc + +cdef extern from "libxml/xmlschemas.h" nogil: + ctypedef struct xmlSchema + ctypedef struct xmlSchemaParserCtxt + + ctypedef struct xmlSchemaSAXPlugStruct + ctypedef struct xmlSchemaValidCtxt + + ctypedef enum xmlSchemaValidOption: + XML_SCHEMA_VAL_VC_I_CREATE = 1 + + cdef xmlSchemaValidCtxt* xmlSchemaNewValidCtxt(xmlSchema* schema) nogil + cdef void xmlSchemaSetParserStructuredErrors(xmlSchemaParserCtxt* ctxt, + xmlStructuredErrorFunc serror, void *ctx) + cdef void xmlSchemaSetValidStructuredErrors(xmlSchemaValidCtxt* ctxt, + xmlStructuredErrorFunc serror, void *ctx) + + cdef int xmlSchemaValidateDoc(xmlSchemaValidCtxt* ctxt, xmlDoc* doc) nogil + cdef xmlSchema* xmlSchemaParse(xmlSchemaParserCtxt* ctxt) nogil + cdef xmlSchemaParserCtxt* xmlSchemaNewParserCtxt(char* URL) nogil + cdef xmlSchemaParserCtxt* xmlSchemaNewDocParserCtxt(xmlDoc* doc) nogil + cdef void xmlSchemaFree(xmlSchema* schema) nogil + cdef void xmlSchemaFreeParserCtxt(xmlSchemaParserCtxt* ctxt) nogil + cdef void xmlSchemaFreeValidCtxt(xmlSchemaValidCtxt* ctxt) nogil + cdef int xmlSchemaSetValidOptions(xmlSchemaValidCtxt* ctxt, + int options) nogil + + cdef xmlSchemaSAXPlugStruct* xmlSchemaSAXPlug(xmlSchemaValidCtxt* ctxt, + xmlSAXHandler** sax, + void** data) nogil + cdef int xmlSchemaSAXUnplug(xmlSchemaSAXPlugStruct* sax_plug) + cdef int xmlSchemaIsValid(xmlSchemaValidCtxt* ctxt) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/xpath.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/xpath.pxd new file mode 100644 index 0000000000000000000000000000000000000000..22069eb7cbb576b6236f53912f8529863a07cd08 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/xpath.pxd @@ -0,0 +1,136 @@ +from lxml.includes cimport tree +from lxml.includes cimport xmlerror + +from libc.string cimport const_char +from lxml.includes.tree cimport xmlChar, const_xmlChar + + +cdef extern from "libxml/xpath.h" nogil: + ctypedef enum xmlXPathObjectType: + XPATH_UNDEFINED = 0 + XPATH_NODESET = 1 + XPATH_BOOLEAN = 2 + XPATH_NUMBER = 3 + XPATH_STRING = 4 + XPATH_POINT = 5 + XPATH_RANGE = 6 + XPATH_LOCATIONSET = 7 + XPATH_USERS = 8 + XPATH_XSLT_TREE = 9 + + ctypedef enum xmlXPathError: + XPATH_EXPRESSION_OK = 0 + XPATH_NUMBER_ERROR = 1 + XPATH_UNFINISHED_LITERAL_ERROR = 2 + XPATH_START_LITERAL_ERROR = 3 + XPATH_VARIABLE_REF_ERROR = 4 + XPATH_UNDEF_VARIABLE_ERROR = 5 + XPATH_INVALID_PREDICATE_ERROR = 6 + XPATH_EXPR_ERROR = 7 + XPATH_UNCLOSED_ERROR = 8 + XPATH_UNKNOWN_FUNC_ERROR = 9 + XPATH_INVALID_OPERAND = 10 + XPATH_INVALID_TYPE = 11 + XPATH_INVALID_ARITY = 12 + XPATH_INVALID_CTXT_SIZE = 13 + XPATH_INVALID_CTXT_POSITION = 14 + XPATH_MEMORY_ERROR = 15 + XPTR_SYNTAX_ERROR = 16 + XPTR_RESOURCE_ERROR = 17 + XPTR_SUB_RESOURCE_ERROR = 18 + XPATH_UNDEF_PREFIX_ERROR = 19 + XPATH_ENCODING_ERROR = 20 + XPATH_INVALID_CHAR_ERROR = 21 + XPATH_INVALID_CTXT = 22 + + ctypedef struct xmlNodeSet: + int nodeNr + int nodeMax + tree.xmlNode** nodeTab + + ctypedef struct xmlXPathObject: + xmlXPathObjectType type + xmlNodeSet* nodesetval + bint boolval + double floatval + xmlChar* stringval + + ctypedef struct xmlXPathContext: + tree.xmlDoc* doc + tree.xmlNode* node + tree.xmlDict* dict + tree.xmlHashTable* nsHash + const_xmlChar* function + const_xmlChar* functionURI + xmlerror.xmlStructuredErrorFunc error + xmlerror.xmlError lastError + void* userData + + ctypedef struct xmlXPathParserContext: + xmlXPathContext* context + xmlXPathObject* value + tree.xmlNode* ancestor + int error + + ctypedef struct xmlXPathCompExpr + + ctypedef void (*xmlXPathFunction)(xmlXPathParserContext* ctxt, int nargs) + ctypedef xmlXPathFunction (*xmlXPathFuncLookupFunc)(void* ctxt, + const_xmlChar* name, + const_xmlChar* ns_uri) + + cdef xmlXPathContext* xmlXPathNewContext(tree.xmlDoc* doc) + cdef xmlXPathObject* xmlXPathEvalExpression(const_xmlChar* str, + xmlXPathContext* ctxt) + cdef xmlXPathObject* xmlXPathCompiledEval(xmlXPathCompExpr* comp, + xmlXPathContext* ctxt) + cdef xmlXPathCompExpr* xmlXPathCompile(const_xmlChar* str) + cdef xmlXPathCompExpr* xmlXPathCtxtCompile(xmlXPathContext* ctxt, + const_xmlChar* str) + cdef void xmlXPathFreeContext(xmlXPathContext* ctxt) + cdef void xmlXPathFreeCompExpr(xmlXPathCompExpr* comp) + cdef void xmlXPathFreeObject(xmlXPathObject* obj) + cdef int xmlXPathRegisterNs(xmlXPathContext* ctxt, + const_xmlChar* prefix, const_xmlChar* ns_uri) + + cdef xmlNodeSet* xmlXPathNodeSetCreate(tree.xmlNode* val) + cdef void xmlXPathFreeNodeSet(xmlNodeSet* val) + + +cdef extern from "libxml/xpathInternals.h" nogil: + cdef int xmlXPathRegisterFunc(xmlXPathContext* ctxt, + const_xmlChar* name, + xmlXPathFunction f) + cdef int xmlXPathRegisterFuncNS(xmlXPathContext* ctxt, + const_xmlChar* name, + const_xmlChar* ns_uri, + xmlXPathFunction f) + cdef void xmlXPathRegisterFuncLookup(xmlXPathContext *ctxt, + xmlXPathFuncLookupFunc f, + void *funcCtxt) + cdef int xmlXPathRegisterVariable(xmlXPathContext *ctxt, + const_xmlChar* name, + xmlXPathObject* value) + cdef int xmlXPathRegisterVariableNS(xmlXPathContext *ctxt, + const_xmlChar* name, + const_xmlChar* ns_uri, + xmlXPathObject* value) + cdef void xmlXPathRegisteredVariablesCleanup(xmlXPathContext *ctxt) + cdef void xmlXPathRegisteredNsCleanup(xmlXPathContext *ctxt) + cdef xmlXPathObject* valuePop (xmlXPathParserContext *ctxt) + cdef int valuePush(xmlXPathParserContext* ctxt, xmlXPathObject *value) + + cdef xmlXPathObject* xmlXPathNewCString(const_char *val) + cdef xmlXPathObject* xmlXPathWrapCString(const_char * val) + cdef xmlXPathObject* xmlXPathNewString(const_xmlChar *val) + cdef xmlXPathObject* xmlXPathWrapString(const_xmlChar * val) + cdef xmlXPathObject* xmlXPathNewFloat(double val) + cdef xmlXPathObject* xmlXPathNewBoolean(int val) + cdef xmlXPathObject* xmlXPathNewNodeSet(tree.xmlNode* val) + cdef xmlXPathObject* xmlXPathNewValueTree(tree.xmlNode* val) + cdef void xmlXPathNodeSetAdd(xmlNodeSet* cur, + tree.xmlNode* val) + cdef void xmlXPathNodeSetAddUnique(xmlNodeSet* cur, + tree.xmlNode* val) + cdef xmlXPathObject* xmlXPathWrapNodeSet(xmlNodeSet* val) + cdef void xmlXPathErr(xmlXPathParserContext* ctxt, int error) diff --git a/.venv/lib/python3.12/site-packages/lxml/includes/xslt.pxd b/.venv/lib/python3.12/site-packages/lxml/includes/xslt.pxd new file mode 100644 index 0000000000000000000000000000000000000000..abafe4325c9147e77590ff0f1647100bb5e9c56a --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/includes/xslt.pxd @@ -0,0 +1,190 @@ +from lxml.includes.tree cimport xmlDoc, xmlNode, xmlDict, xmlChar, const_xmlChar, xmlOutputBuffer +from lxml.includes.xmlerror cimport xmlGenericErrorFunc +from lxml.includes.xpath cimport xmlXPathContext, xmlXPathFunction + +from libc.string cimport const_char + +cdef extern from "libxslt/xslt.h": + cdef int xsltLibxsltVersion + cdef int xsltMaxDepth + +cdef extern from "libxslt/xsltconfig.h": + cdef int LIBXSLT_VERSION + +cdef extern from "libxslt/xsltInternals.h" nogil: + ctypedef enum xsltTransformState: + XSLT_STATE_OK # 0 + XSLT_STATE_ERROR # 1 + XSLT_STATE_STOPPED # 2 + + ctypedef struct xsltDocument: + xmlDoc* doc + + ctypedef struct xsltStylesheet: + xmlChar* encoding + xmlDoc* doc + int errors + + ctypedef struct xsltTransformContext: + xsltStylesheet* style + xmlXPathContext* xpathCtxt + xsltDocument* document + void* _private + xmlDict* dict + int profile + xmlNode* node + xmlDoc* output + xmlNode* insert + xmlNode* inst + xsltTransformState state + + ctypedef struct xsltStackElem + + ctypedef struct xsltTemplate + + cdef xsltStylesheet* xsltParseStylesheetDoc(xmlDoc* doc) + cdef void xsltFreeStylesheet(xsltStylesheet* sheet) + +cdef extern from "libxslt/imports.h" nogil: + # actually defined in "etree_defs.h" + cdef void LXML_GET_XSLT_ENCODING(const_xmlChar* result_var, xsltStylesheet* style) + +cdef extern from "libxslt/extensions.h" nogil: + ctypedef void (*xsltTransformFunction)(xsltTransformContext* ctxt, + xmlNode* context_node, + xmlNode* inst, + void* precomp_unused) noexcept + + cdef int xsltRegisterExtFunction(xsltTransformContext* ctxt, + const_xmlChar* name, + const_xmlChar* URI, + xmlXPathFunction function) + cdef int xsltRegisterExtModuleFunction(const_xmlChar* name, const_xmlChar* URI, + xmlXPathFunction function) + cdef int xsltUnregisterExtModuleFunction(const_xmlChar* name, const_xmlChar* URI) + cdef xmlXPathFunction xsltExtModuleFunctionLookup( + const_xmlChar* name, const_xmlChar* URI) + cdef int xsltRegisterExtPrefix(xsltStylesheet* style, + const_xmlChar* prefix, const_xmlChar* URI) + cdef int xsltRegisterExtElement(xsltTransformContext* ctxt, + const_xmlChar* name, const_xmlChar* URI, + xsltTransformFunction function) + +cdef extern from "libxslt/documents.h" nogil: + ctypedef enum xsltLoadType: + XSLT_LOAD_START + XSLT_LOAD_STYLESHEET + XSLT_LOAD_DOCUMENT + + ctypedef xmlDoc* (*xsltDocLoaderFunc)(const_xmlChar* URI, xmlDict* dict, + int options, + void* ctxt, + xsltLoadType type) noexcept + cdef xsltDocLoaderFunc xsltDocDefaultLoader + cdef void xsltSetLoaderFunc(xsltDocLoaderFunc f) + +cdef extern from "libxslt/transform.h" nogil: + cdef xmlDoc* xsltApplyStylesheet(xsltStylesheet* style, xmlDoc* doc, + const_char** params) + cdef xmlDoc* xsltApplyStylesheetUser(xsltStylesheet* style, xmlDoc* doc, + const_char** params, const_char* output, + void* profile, + xsltTransformContext* context) + cdef void xsltProcessOneNode(xsltTransformContext* ctxt, + xmlNode* contextNode, + xsltStackElem* params) + cdef xsltTransformContext* xsltNewTransformContext(xsltStylesheet* style, + xmlDoc* doc) + cdef void xsltFreeTransformContext(xsltTransformContext* context) + cdef void xsltApplyOneTemplate(xsltTransformContext* ctxt, + xmlNode* contextNode, xmlNode* list, + xsltTemplate* templ, + xsltStackElem* params) + + +cdef extern from "libxslt/xsltutils.h" nogil: + cdef int xsltSaveResultToString(xmlChar** doc_txt_ptr, + int* doc_txt_len, + xmlDoc* result, + xsltStylesheet* style) + cdef int xsltSaveResultToFilename(const_char *URL, + xmlDoc* result, + xsltStylesheet* style, + int compression) + cdef int xsltSaveResultTo(xmlOutputBuffer* buf, + xmlDoc* result, + xsltStylesheet* style) + cdef xmlGenericErrorFunc xsltGenericError + cdef void *xsltGenericErrorContext + cdef void xsltSetGenericErrorFunc( + void* ctxt, void (*handler)(void* ctxt, char* msg, ...) nogil) + cdef void xsltSetTransformErrorFunc( + xsltTransformContext*, void* ctxt, + void (*handler)(void* ctxt, char* msg, ...) nogil) + cdef void xsltTransformError(xsltTransformContext* ctxt, + xsltStylesheet* style, + xmlNode* node, char* msg, ...) + cdef void xsltSetCtxtParseOptions( + xsltTransformContext* ctxt, int options) + + +cdef extern from "libxslt/security.h" nogil: + ctypedef struct xsltSecurityPrefs + ctypedef enum xsltSecurityOption: + XSLT_SECPREF_READ_FILE = 1 + XSLT_SECPREF_WRITE_FILE = 2 + XSLT_SECPREF_CREATE_DIRECTORY = 3 + XSLT_SECPREF_READ_NETWORK = 4 + XSLT_SECPREF_WRITE_NETWORK = 5 + + ctypedef int (*xsltSecurityCheck)(xsltSecurityPrefs* sec, + xsltTransformContext* ctxt, + char* value) noexcept + + cdef xsltSecurityPrefs* xsltNewSecurityPrefs() + cdef void xsltFreeSecurityPrefs(xsltSecurityPrefs* sec) + cdef int xsltSecurityForbid(xsltSecurityPrefs* sec, + xsltTransformContext* ctxt, + char* value) + cdef int xsltSecurityAllow(xsltSecurityPrefs* sec, + xsltTransformContext* ctxt, + char* value) + cdef int xsltSetSecurityPrefs(xsltSecurityPrefs* sec, + xsltSecurityOption option, + xsltSecurityCheck func) + cdef xsltSecurityCheck xsltGetSecurityPrefs( + xsltSecurityPrefs* sec, + xsltSecurityOption option) + cdef int xsltSetCtxtSecurityPrefs(xsltSecurityPrefs* sec, + xsltTransformContext* ctxt) + cdef xmlDoc* xsltGetProfileInformation(xsltTransformContext* ctxt) + +cdef extern from "libxslt/variables.h" nogil: + cdef int xsltQuoteUserParams(xsltTransformContext* ctxt, + const_char** params) + cdef int xsltQuoteOneUserParam(xsltTransformContext* ctxt, + const_xmlChar* name, + const_xmlChar* value) + +cdef extern from "libxslt/extra.h" nogil: + const_xmlChar* XSLT_LIBXSLT_NAMESPACE + const_xmlChar* XSLT_XALAN_NAMESPACE + const_xmlChar* XSLT_SAXON_NAMESPACE + const_xmlChar* XSLT_XT_NAMESPACE + + cdef xmlXPathFunction xsltFunctionNodeSet + cdef void xsltRegisterAllExtras() + +cdef extern from "libexslt/exslt.h" nogil: + cdef void exsltRegisterAll() + + # libexslt 1.1.25+ + const_xmlChar* EXSLT_DATE_NAMESPACE + const_xmlChar* EXSLT_SETS_NAMESPACE + const_xmlChar* EXSLT_MATH_NAMESPACE + const_xmlChar* EXSLT_STRINGS_NAMESPACE + + cdef int exsltDateXpathCtxtRegister(xmlXPathContext* ctxt, const_xmlChar* prefix) + cdef int exsltSetsXpathCtxtRegister(xmlXPathContext* ctxt, const_xmlChar* prefix) + cdef int exsltMathXpathCtxtRegister(xmlXPathContext* ctxt, const_xmlChar* prefix) + cdef int exsltStrXpathCtxtRegister(xmlXPathContext* ctxt, const_xmlChar* prefix) diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/__init__.py b/.venv/lib/python3.12/site-packages/lxml/isoschematron/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..ac89fb62e4527e81931d62b07aeecb6eaf3feec0 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/__init__.py @@ -0,0 +1,348 @@ +"""The ``lxml.isoschematron`` package implements ISO Schematron support on top +of the pure-xslt 'skeleton' implementation. +""" + +import sys +import os.path +from lxml import etree as _etree # due to validator __init__ signature + + +# some compat stuff, borrowed from lxml.html +try: + unicode +except NameError: + # Python 3 + unicode = str +try: + basestring +except NameError: + # Python 3 + basestring = str + + +__all__ = ['extract_xsd', 'extract_rng', 'iso_dsdl_include', + 'iso_abstract_expand', 'iso_svrl_for_xslt1', + 'svrl_validation_errors', 'schematron_schema_valid', + 'stylesheet_params', 'Schematron'] + + +# some namespaces +#FIXME: Maybe lxml should provide a dedicated place for common namespace +#FIXME: definitions? +XML_SCHEMA_NS = "http://www.w3.org/2001/XMLSchema" +RELAXNG_NS = "http://relaxng.org/ns/structure/1.0" +SCHEMATRON_NS = "http://purl.oclc.org/dsdl/schematron" +SVRL_NS = "http://purl.oclc.org/dsdl/svrl" + + +# some helpers +_schematron_root = '{%s}schema' % SCHEMATRON_NS +_xml_schema_root = '{%s}schema' % XML_SCHEMA_NS +_resources_dir = os.path.join(os.path.dirname(__file__), 'resources') + + +# the iso-schematron skeleton implementation steps aka xsl transformations +extract_xsd = _etree.XSLT(_etree.parse( + os.path.join(_resources_dir, 'xsl', 'XSD2Schtrn.xsl'))) +extract_rng = _etree.XSLT(_etree.parse( + os.path.join(_resources_dir, 'xsl', 'RNG2Schtrn.xsl'))) +iso_dsdl_include = _etree.XSLT(_etree.parse( + os.path.join(_resources_dir, 'xsl', 'iso-schematron-xslt1', + 'iso_dsdl_include.xsl'))) +iso_abstract_expand = _etree.XSLT(_etree.parse( + os.path.join(_resources_dir, 'xsl', 'iso-schematron-xslt1', + 'iso_abstract_expand.xsl'))) +iso_svrl_for_xslt1 = _etree.XSLT(_etree.parse( + os.path.join(_resources_dir, + 'xsl', 'iso-schematron-xslt1', 'iso_svrl_for_xslt1.xsl'))) + + +# svrl result accessors +svrl_validation_errors = _etree.XPath( + '//svrl:failed-assert', namespaces={'svrl': SVRL_NS}) + +# RelaxNG validator for schematron schemas +schematron_schema_valid_supported = False +try: + schematron_schema_valid = _etree.RelaxNG( + file=os.path.join(_resources_dir, 'rng', 'iso-schematron.rng')) + schematron_schema_valid_supported = True +except _etree.RelaxNGParseError: + # Some distributions delete the file due to licensing issues. + def schematron_schema_valid(arg): + raise NotImplementedError("Validating the ISO schematron requires iso-schematron.rng") + + +def stylesheet_params(**kwargs): + """Convert keyword args to a dictionary of stylesheet parameters. + XSL stylesheet parameters must be XPath expressions, i.e.: + + * string expressions, like "'5'" + * simple (number) expressions, like "5" + * valid XPath expressions, like "/a/b/text()" + + This function converts native Python keyword arguments to stylesheet + parameters following these rules: + If an arg is a string wrap it with XSLT.strparam(). + If an arg is an XPath object use its path string. + If arg is None raise TypeError. + Else convert arg to string. + """ + result = {} + for key, val in kwargs.items(): + if isinstance(val, basestring): + val = _etree.XSLT.strparam(val) + elif val is None: + raise TypeError('None not allowed as a stylesheet parameter') + elif not isinstance(val, _etree.XPath): + val = unicode(val) + result[key] = val + return result + + +# helper function for use in Schematron __init__ +def _stylesheet_param_dict(paramsDict, kwargsDict): + """Return a copy of paramsDict, updated with kwargsDict entries, wrapped as + stylesheet arguments. + kwargsDict entries with a value of None are ignored. + """ + # beware of changing mutable default arg + paramsDict = dict(paramsDict) + for k, v in kwargsDict.items(): + if v is not None: # None values do not override + paramsDict[k] = v + paramsDict = stylesheet_params(**paramsDict) + return paramsDict + + +class Schematron(_etree._Validator): + """An ISO Schematron validator. + + Pass a root Element or an ElementTree to turn it into a validator. + Alternatively, pass a filename as keyword argument 'file' to parse from + the file system. + + Schematron is a less well known, but very powerful schema language. + The main idea is to use the capabilities of XPath to put restrictions on + the structure and the content of XML documents. + + The standard behaviour is to fail on ``failed-assert`` findings only + (``ASSERTS_ONLY``). To change this, you can either pass a report filter + function to the ``error_finder`` parameter (e.g. ``ASSERTS_AND_REPORTS`` + or a custom ``XPath`` object), or subclass isoschematron.Schematron for + complete control of the validation process. + + Built on the Schematron language 'reference' skeleton pure-xslt + implementation, the validator is created as an XSLT 1.0 stylesheet using + these steps: + + 0) (Extract from XML Schema or RelaxNG schema) + 1) Process inclusions + 2) Process abstract patterns + 3) Compile the schematron schema to XSLT + + The ``include`` and ``expand`` keyword arguments can be used to switch off + steps 1) and 2). + To set parameters for steps 1), 2) and 3) hand parameter dictionaries to the + keyword arguments ``include_params``, ``expand_params`` or + ``compile_params``. + For convenience, the compile-step parameter ``phase`` is also exposed as a + keyword argument ``phase``. This takes precedence if the parameter is also + given in the parameter dictionary. + + If ``store_schematron`` is set to True, the (included-and-expanded) + schematron document tree is stored and available through the ``schematron`` + property. + If ``store_xslt`` is set to True, the validation XSLT document tree will be + stored and can be retrieved through the ``validator_xslt`` property. + With ``store_report`` set to True (default: False), the resulting validation + report document gets stored and can be accessed as the ``validation_report`` + property. + + If ``validate_schema`` is set to False, the validation of the schema file + itself is disabled. Validation happens by default after building the full + schema, unless the schema validation file cannot be found at import time, + in which case the validation gets disabled. Some lxml distributions exclude + this file due to licensing issues. ISO-Schematron validation can then still + be used normally, but the schemas themselves cannot be validated. + + Here is a usage example:: + + >>> from lxml import etree + >>> from lxml.isoschematron import Schematron + + >>> schematron = Schematron(etree.XML(''' + ... + ... + ... id is the only permitted attribute name + ... + ... Attribute + ... is forbidden + ... + ... + ... + ... '''), + ... error_finder=Schematron.ASSERTS_AND_REPORTS) + + >>> xml = etree.XML(''' + ... + ... + ... + ... + ... ''') + + >>> schematron.validate(xml) + False + + >>> xml = etree.XML(''' + ... + ... + ... + ... + ... ''') + + >>> schematron.validate(xml) + True + """ + + # libxml2 error categorization for validation errors + _domain = _etree.ErrorDomains.SCHEMATRONV + _level = _etree.ErrorLevels.ERROR + _error_type = _etree.ErrorTypes.SCHEMATRONV_ASSERT + + # convenience definitions for common behaviours + ASSERTS_ONLY = svrl_validation_errors # Default + ASSERTS_AND_REPORTS = _etree.XPath( + '//svrl:failed-assert | //svrl:successful-report', + namespaces={'svrl': SVRL_NS}) + + def _extract(self, element): + """Extract embedded schematron schema from non-schematron host schema. + This method will only be called by __init__ if the given schema document + is not a schematron schema by itself. + Must return a schematron schema document tree or None. + """ + schematron = None + if element.tag == _xml_schema_root: + schematron = self._extract_xsd(element) + elif element.nsmap.get(element.prefix) == RELAXNG_NS: + # RelaxNG does not have a single unique root element + schematron = self._extract_rng(element) + return schematron + + # customization points + # etree.XSLT objects that provide the extract, include, expand, compile + # steps + _extract_xsd = extract_xsd + _extract_rng = extract_rng + _include = iso_dsdl_include + _expand = iso_abstract_expand + _compile = iso_svrl_for_xslt1 + + # etree.xpath object that determines input document validity when applied to + # the svrl result report; must return a list of result elements (empty if + # valid) + _validation_errors = ASSERTS_ONLY + + def __init__(self, etree=None, file=None, include=True, expand=True, + include_params={}, expand_params={}, compile_params={}, + store_schematron=False, store_xslt=False, store_report=False, + phase=None, error_finder=ASSERTS_ONLY, + validate_schema=schematron_schema_valid_supported): + super().__init__() + + self._store_report = store_report + self._schematron = None + self._validator_xslt = None + self._validation_report = None + if error_finder is not self.ASSERTS_ONLY: + self._validation_errors = error_finder + + # parse schema document, may be a schematron schema or an XML Schema or + # a RelaxNG schema with embedded schematron rules + root = None + try: + if etree is not None: + if _etree.iselement(etree): + root = etree + else: + root = etree.getroot() + elif file is not None: + root = _etree.parse(file).getroot() + except Exception: + raise _etree.SchematronParseError( + "No tree or file given: %s" % sys.exc_info()[1]) + if root is None: + raise ValueError("Empty tree") + if root.tag == _schematron_root: + schematron = root + else: + schematron = self._extract(root) + if schematron is None: + raise _etree.SchematronParseError( + "Document is not a schematron schema or schematron-extractable") + # perform the iso-schematron skeleton implementation steps to get a + # validating xslt + if include: + schematron = self._include(schematron, **include_params) + if expand: + schematron = self._expand(schematron, **expand_params) + if validate_schema and not schematron_schema_valid(schematron): + raise _etree.SchematronParseError( + "invalid schematron schema: %s" % + schematron_schema_valid.error_log) + if store_schematron: + self._schematron = schematron + # add new compile keyword args here if exposing them + compile_kwargs = {'phase': phase} + compile_params = _stylesheet_param_dict(compile_params, compile_kwargs) + validator_xslt = self._compile(schematron, **compile_params) + if store_xslt: + self._validator_xslt = validator_xslt + self._validator = _etree.XSLT(validator_xslt) + + def __call__(self, etree): + """Validate doc using Schematron. + + Returns true if document is valid, false if not. + """ + self._clear_error_log() + result = self._validator(etree) + if self._store_report: + self._validation_report = result + errors = self._validation_errors(result) + if errors: + if _etree.iselement(etree): + fname = etree.getroottree().docinfo.URL or '' + else: + fname = etree.docinfo.URL or '' + for error in errors: + # Does svrl report the line number, anywhere? Don't think so. + self._append_log_message( + domain=self._domain, type=self._error_type, + level=self._level, line=0, + message=_etree.tostring(error, encoding='unicode'), + filename=fname) + return False + return True + + @property + def schematron(self): + """ISO-schematron schema document (None if object has been initialized + with store_schematron=False). + """ + return self._schematron + + @property + def validator_xslt(self): + """ISO-schematron skeleton implementation XSLT validator document (None + if object has been initialized with store_xslt=False). + """ + return self._validator_xslt + + @property + def validation_report(self): + """ISO-schematron validation result report (None if result-storing has + been turned off). + """ + return self._validation_report diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/rng/iso-schematron.rng b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/rng/iso-schematron.rng new file mode 100644 index 0000000000000000000000000000000000000000..a4f504af1f7d6f01f7523d447b9304f417c01800 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/rng/iso-schematron.rng @@ -0,0 +1,709 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ltr + rtl + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + true + + + + + + + + + + + + + + + + + + + + + + + false + + + + + + + + + + + + + + + + + + + + + + + + + + false + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + false + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + preserve + default + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 1 + + + diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl new file mode 100644 index 0000000000000000000000000000000000000000..21a5d2a069cab9fa327d9a3cd4e4d56c21bb10db --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/RNG2Schtrn.xsl @@ -0,0 +1,75 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl new file mode 100644 index 0000000000000000000000000000000000000000..de0c9ea700d20c78111660e5fe8bf4ddc5a88137 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/XSD2Schtrn.xsl @@ -0,0 +1,77 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl new file mode 100644 index 0000000000000000000000000000000000000000..5018395234799dd65d53a339daaddf445a09dbea --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_abstract_expand.xsl @@ -0,0 +1,313 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Suppressed abstract pattern was here + + + + + + + Start pattern based on abstract + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl new file mode 100644 index 0000000000000000000000000000000000000000..44e5573b73077e015d404935479bdc9344c5ea4d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_dsdl_include.xsl @@ -0,0 +1,1160 @@ + + + + + + + + + + true + true + true + true + true + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Error: Impossible URL in RELAX NG extRef + include + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Error: Impossible URL in Schematron include + + + + + + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + + Schema error: Use include to + include fragments, not a whole + schema + + + + + + + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + Schema error: Use include to include + fragments, not a whole schema + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Error: Impossible URL in Schematron include + + + + + + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Error: Impossible URL in Schematron include + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + Schema error: Use include to include + fragments, not a whole schema + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + Schema error: Use include to include + fragments, not a whole schema + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Error: Impossible URL in DTLL include + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Error: Impossible URL in CRDL include + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Fatal error: Xinclude href contains fragment + identifier # + + + + + + + Fatal error: Sorry, this software only + supports simple ids in XInclude xpointers + + + + + + + Fatal Error: Impossible URL in XInclude + include + + + + + + + + + + + + + + + + + + + + + + + + + + + Unable to open referenced included file and fallback + file: + + + + + + + Unable to open referenced included file: + + + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Error: Impossible URL in XLink embedding + link + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + Unable to open referenced included file: + + + + + + + Unable to locate id attribute: + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl new file mode 100644 index 0000000000000000000000000000000000000000..d59b8f38fe0bf28bc089b033c2acdd314839b8cc --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_message.xsl @@ -0,0 +1,55 @@ + + + + + + + + + + + + + + + + + + + + + + + ( + / + ) + + + \ No newline at end of file diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl new file mode 100644 index 0000000000000000000000000000000000000000..b0e7175cfff34fb05d631622c9429f0adcda8d5d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_schematron_skeleton_for_xslt1.xsl @@ -0,0 +1,1796 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + #ALL + + + +false + +true + + + + + true + false + + + + + + + true + false + + + + + + + + + @*| + + * + node() + *|comment()|processing-instruction() + + + + + + + + + + + + +default + +false + + + +1 + + + + + Schema error: Schematron elements in old and new namespaces found + + + + + + + + + + + + + + + + + Schema error: in the queryBinding attribute, use 'xslt' + + + + + 1.0 + + + + + + + + + This XSLT was automatically generated from a Schematron schema. + + + + + 1.0 + + + + + + + + + + Fail: This implementation of ISO Schematron does not work with + schemas using the "" query language. + + + + + Implementers: please note that overriding process-prolog or process-root is + the preferred method for meta-stylesheets to use where possible. + + + + + + + + + + PHASES + + PROLOG + + KEYS + + DEFAULT RULES + + SCHEMA METADATA + + SCHEMATRON PATTERNS + + + + + + + + + + + + + + + + + + + + + + + Phase Error: no phase with name has been defined. + + + + + + + MODE: SCHEMATRON-SELECT-FULL-PATH + This mode can be used to generate an ugly though full XPath for locators + + + + + + + + + + + + + + + + + + + + + + + + + MODE: SCHEMATRON-FULL-PATH + This mode can be used to generate an ugly though full XPath for locators + + + + + + / + + + + + + [] + + + + *[local-name()=' + ' and namespace-uri()=' + + '] + + + [] + + + + + + + + + + / + + @ + + @*[local-name()=' + + ' and namespace-uri()=' + + '] + + + + + + + + + MODE: SCHEMATRON-FULL-PATH-2 + + This mode can be used to generate prefixed XPath for humans + + + + + + / + + + [ + + ] + + + + + /@ + + + + + MODE: GENERATE-ID-FROM-PATH + + + + + + + + + + + + + + + + + + + + + + . + + + + + + + MODE: SCHEMATRON-FULL-PATH-3 + + + This mode can be used to generate prefixed XPath for humans + (Top-level element has index) + + + + + + / + + + [ + + ] + + + + + /@ + + + + + MODE: GENERATE-ID-2 + + + U + + + U + + + + + U. + + n + + + + + U. + + _ + + _ + + + + + Strip characters + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Markup Error: no pattern attribute in <active> + + + + Reference Error: the pattern "" has been activated but is not declared + + + + + + + + Markup Error: no test attribute in <assert + + + ASSERT + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Markup Error: no test attribute in <report> + + + + REPORT + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Markup Error: no id attribute in <diagnostic> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Markup Error: no rule attribute in <extends> + + + Reference Error: the abstract rule "" has been referenced but is not declared + + + + + + + + + + + + + + Markup Error: no name attribute in <key> + + + Markup Error: no path or use attribute in <key> + + + + + + + + + + + + + + + + Markup Error: no path or use attribute in <key> + + + + + + + + + + + + Schema error: The key element is not in the ISO Schematron namespace. Use the XSLT namespace. + + + + + + + + Schema error: Empty href= attribute for include directive. + + + + + + + + + + + + + + Error: Impossible URL in Schematron include + + + + + + + Schema error: Use include to include fragments, not a whole schema + + + + + + + + + + Schema error: Use include to include fragments, not a whole schema + + + + + + + + + + + + + + + Error: Impossible URL in Schematron include + + + + + + + Schema error: Use include to include fragments, not a whole schema + + + + + + + + + + + Schema error: Use include to include fragments, not a whole schema + + + + + + + + + + Warning: Variables should not be used with the "xpath" query language binding. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Markup Error: no uri attribute in <ns> + + + Markup Error: no prefix attribute in <ns> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + //( + + ( + + ) + | + + ) + [not(self::text())] + + + + + + + + + + + + + Schema implementation error: This schema has abstract patterns, yet they are supposed to be preprocessed out already + + + + + + + + + + PATTERN + + + + + + + + + + + + + + + + + + + + Markup Error: no id attribute in <phase> + + + + + + + + Markup Error: no context attribute in <rule> + + + RULE + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Markup Error: no id attribute on abstract <rule> + + + Markup Error: (2) context attribute on abstract <rule> + + + + + + Markup Error: context attribute on abstract <rule> + + + + + + + + + + + + + + + + + + + + + + + + + + + Markup Error: no select attribute in <value-of> + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Warning: + + must not contain any child elements + + + + + + + + + + + + + + + + + + + + + + + + + Reference error: A diagnostic "" has been referenced but is not declared + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + Using the XSLT namespace with a prefix other than "xsl" in + Schematron rules is not supported + in this processor: + + + + + + + + + + + + + + + + + + + + Error: unrecognized element in ISO Schematron namespace: check spelling + and capitalization + + + + + + + + + + + + + Warning: unrecognized element + + + + + + + + + + + + + + + Warning: unrecognized element + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + title + + + + + + + schema-title + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl new file mode 100644 index 0000000000000000000000000000000000000000..dae74ff6a2bd56a4f21147905c3a1661baf0b3ab --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/iso_svrl_for_xslt1.xsl @@ -0,0 +1,588 @@ + + + + + + + + + + + + + + + + +true + + + + + + + + + + + #ALL + + +false +true +true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + xslt1 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +   +   +   + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt new file mode 100644 index 0000000000000000000000000000000000000000..e5d6dfcd9e9c2787c32d98b0063a1fa1ec3236ad --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/isoschematron/resources/xsl/iso-schematron-xslt1/readme.txt @@ -0,0 +1,84 @@ +ISO SCHEMATRON 2010 + +XSLT implementation by Rick Jelliffe with assistance from members of Schematron-love-in maillist. + +2010-04-21 + +Two distributions are available. One is for XSLT1 engines. +The other is for XSLT2 engines, such as SAXON 9. + + +This version of Schematron splits the process into a pipeline of several different XSLT stages. + +1) First, preprocess your Schematron schema with iso_dsdl_include.xsl. +This is a macro processor to assemble the schema from various parts. +If your schema is not in separate parts, you can skip this stage. +This stage also generates error messages for some common XPath syntax problems. + +2) Second, preprocess the output from stage 1 with iso_abstract_expand.xsl. +This is a macro processor to convert abstract patterns to real patterns. +If your schema does not use abstract patterns, you can skip this +stage. + +3) Third, compile the Schematron schema into an XSLT script. +This will typically use iso_svrl_for_xslt1.xsl or iso_svrl_for_xslt2.xsl +(which in turn invoke iso_schematron_skeleton_for_xslt1.xsl or iso_schematron_skeleton_for_saxon.xsl) +However, other "meta-stylesheets" are also in common use; the principle of operation is the same. +If your schema uses Schematron phases, supply these as command line/invocation parameters +to this process. + +4) Fourth, run the script generated by stage 3 against the document being validated. +If you are using the SVRL script, then the output of validation will be an XML document. +If your schema uses Schematron parameters, supply these as command line/invocation parameters +to this process. + + +The XSLT2 distribution also features several next generation features, +such as validating multiple documents. See the source code for details. + +Schematron assertions can be written in any language, of course; the file +sch-messages-en.xhtml contains the diagnostics messages from the XSLT2 skeleton +in English, and this can be used as template to localize the skeleton's +error messages. Note that typically programming errors in Schematron are XPath +errors, which requires localized messages from the XSLT engine. + +ANT +--- +To give an example of how to process a document, here is a sample ANT task. + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/.venv/lib/python3.12/site-packages/lxml/iterparse.pxi b/.venv/lib/python3.12/site-packages/lxml/iterparse.pxi new file mode 100644 index 0000000000000000000000000000000000000000..cf342bbdd058cd68144975464bf0e9ba93e4f147 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/iterparse.pxi @@ -0,0 +1,443 @@ +# iterparse -- event-driven parsing + +cdef class iterparse: + """iterparse(self, source, events=("end",), tag=None, \ + attribute_defaults=False, dtd_validation=False, \ + load_dtd=False, no_network=True, remove_blank_text=False, \ + compact=True, resolve_entities='internal', remove_comments=False, \ + remove_pis=False, strip_cdata=True, encoding=None, \ + html=False, recover=None, huge_tree=False, schema=None, \ + chunk_size=32768) + + Incremental parser. + + Parses XML into a tree and generates tuples (event, element) in a + SAX-like fashion. ``event`` is any of 'start', 'end', 'start-ns', + 'end-ns'. + + For 'start' and 'end', ``element`` is the Element that the parser just + found opening or closing. For 'start-ns', it is a tuple (prefix, URI) of + a new namespace declaration. For 'end-ns', it is simply None. Note that + all start and end events are guaranteed to be properly nested. + + The keyword argument ``events`` specifies a sequence of event type names + that should be generated. By default, only 'end' events will be + generated. + + The additional ``tag`` argument restricts the 'start' and 'end' events to + those elements that match the given tag. The ``tag`` argument can also be + a sequence of tags to allow matching more than one tag. By default, + events are generated for all elements. Note that the 'start-ns' and + 'end-ns' events are not impacted by this restriction. + + The other keyword arguments in the constructor are mainly based on the + libxml2 parser configuration. A DTD will also be loaded if validation or + attribute default values are requested. + + Available boolean keyword arguments: + - attribute_defaults: read default attributes from DTD + - dtd_validation: validate (if DTD is available) + - load_dtd: use DTD for parsing + - no_network: prevent network access for related files + - remove_blank_text: discard blank text nodes + - remove_comments: discard comments + - remove_pis: discard processing instructions + - strip_cdata: replace CDATA sections by normal text content (default: + True for XML, ignored otherwise) + - compact: safe memory for short text content (default: True) + - resolve_entities: replace entities by their text value + (default: 'internal' only; True before lxml 6.1) + - huge_tree: disable security restrictions and support very deep trees + and very long text content (only affects libxml2 2.7+) + - html: parse input as HTML (default: XML) + - recover: try hard to parse through broken input (default: True for HTML, + False otherwise) + + Other keyword arguments: + - encoding: override the document encoding + - schema: an XMLSchema to validate against + - chunk_size: the number of bytes to read from the 'source' in one chunk + (default: 32768) + """ + cdef _FeedParser _parser + cdef object _tag + cdef object _events + cdef readonly object root + cdef object _source + cdef object _filename + cdef object _error + cdef object _chunk_size + cdef bint _close_source_after_read + + def __init__(self, source, events=("end",), *, tag=None, + attribute_defaults=False, dtd_validation=False, + load_dtd=False, no_network=True, remove_blank_text=False, + compact=True, resolve_entities='internal', remove_comments=False, + remove_pis=False, strip_cdata=True, encoding=None, + html=False, recover=None, huge_tree=False, collect_ids=True, + XMLSchema schema=None, int chunk_size=32768): + if not hasattr(source, 'read'): + source = _getFSPathOrObject(source) + self._filename = source + self._source = open(source, 'rb') + self._close_source_after_read = True + else: + self._filename = _getFilenameForFile(source) + self._source = source + self._close_source_after_read = False + + if recover is None: + recover = html + + if html: + # make sure we're not looking for namespaces + events = [event for event in events + if event not in ('start-ns', 'end-ns')] + parser = HTMLPullParser( + events, + tag=tag, + recover=recover, + base_url=self._filename, + encoding=encoding, + remove_blank_text=remove_blank_text, + remove_comments=remove_comments, + remove_pis=remove_pis, + no_network=no_network, + target=None, # TODO + schema=schema, + compact=compact) + else: + parser = XMLPullParser( + events, + tag=tag, + recover=recover, + base_url=self._filename, + encoding=encoding, + attribute_defaults=attribute_defaults, + dtd_validation=dtd_validation, + load_dtd=load_dtd, + no_network=no_network, + schema=schema, + huge_tree=huge_tree, + remove_blank_text=remove_blank_text, + resolve_entities=resolve_entities, + remove_comments=remove_comments, + remove_pis=remove_pis, + strip_cdata=strip_cdata, + collect_ids=True, + target=None, # TODO + compact=compact) + + self._chunk_size = chunk_size + self._events = parser.read_events() + self._parser = parser + + @property + def error_log(self): + """The error log of the last (or current) parser run. + """ + return self._parser.feed_error_log + + @property + def resolvers(self): + """The custom resolver registry of the last (or current) parser run. + """ + return self._parser.resolvers + + @property + def version(self): + """The version of the underlying XML parser.""" + return self._parser.version + + def set_element_class_lookup(self, ElementClassLookup lookup = None): + """set_element_class_lookup(self, lookup = None) + + Set a lookup scheme for element classes generated from this parser. + + Reset it by passing None or nothing. + """ + self._parser.set_element_class_lookup(lookup) + + def makeelement(self, _tag, attrib=None, nsmap=None, **_extra): + """makeelement(self, _tag, attrib=None, nsmap=None, **_extra) + + Creates a new element associated with this parser. + """ + self._parser.makeelement( + _tag, attrib=None, nsmap=None, **_extra) + + @cython.final + cdef _close_source(self): + if self._source is None: + return + if not self._close_source_after_read: + self._source = None + return + try: + close = self._source.close + except AttributeError: + close = None + finally: + self._source = None + if close is not None: + close() + + def __iter__(self): + return self + + def __next__(self): + try: + return next(self._events) + except StopIteration: + pass + context = <_SaxParserContext>self._parser._getPushParserContext() + if self._source is not None: + done = False + while not done: + try: + done = self._read_more_events(context) + return next(self._events) + except StopIteration: + pass # no events yet + except Exception as e: + self._error = e + self._close_source() + try: + return next(self._events) + except StopIteration: + break + # nothing left to read or return + if self._error is not None: + error = self._error + self._error = None + raise error + if (context._validator is not None + and not context._validator.isvalid()): + _raiseParseError(context._c_ctxt, self._filename, + context._error_log) + # no errors => all done + raise StopIteration + + @cython.final + cdef bint _read_more_events(self, _SaxParserContext context) except -123: + data = self._source.read(self._chunk_size) + if not isinstance(data, bytes): + self._close_source() + raise TypeError("reading file objects must return bytes objects") + if not data: + try: + self.root = self._parser.close() + finally: + self._close_source() + return True + self._parser.feed(data) + return False + + +cdef enum _IterwalkSkipStates: + IWSKIP_NEXT_IS_START + IWSKIP_SKIP_NEXT + IWSKIP_CAN_SKIP + IWSKIP_CANNOT_SKIP + + +cdef class iterwalk: + """iterwalk(self, element_or_tree, events=("end",), tag=None) + + A tree walker that generates events from an existing tree as if it + was parsing XML data with ``iterparse()``. + + Just as for ``iterparse()``, the ``tag`` argument can be a single tag or a + sequence of tags. + + After receiving a 'start' or 'start-ns' event, the children and + descendants of the current element can be excluded from iteration + by calling the ``skip_subtree()`` method. + """ + cdef _MultiTagMatcher _matcher + cdef list _node_stack + cdef list _events + cdef object _pop_event + cdef object _include_siblings + cdef int _index + cdef int _event_filter + cdef _IterwalkSkipStates _skip_state + + def __init__(self, element_or_tree, events=("end",), tag=None): + cdef _Element root + cdef int ns_count + root = _rootNodeOrRaise(element_or_tree) + self._event_filter = _buildParseEventFilter(events) + if tag is None or tag == '*': + self._matcher = None + else: + self._matcher = _MultiTagMatcher.__new__(_MultiTagMatcher, tag) + self._node_stack = [] + self._events = [] + self._pop_event = self._events.pop + self._skip_state = IWSKIP_CANNOT_SKIP # ignore all skip requests by default + + if self._event_filter: + self._index = 0 + if self._matcher is not None and self._event_filter & PARSE_EVENT_FILTER_START: + self._matcher.cacheTags(root._doc) + + # When processing an ElementTree, add events for the preceding comments/PIs. + if self._event_filter & (PARSE_EVENT_FILTER_COMMENT | PARSE_EVENT_FILTER_PI): + if isinstance(element_or_tree, _ElementTree): + self._include_siblings = root + for elem in list(root.itersiblings(preceding=True))[::-1]: + if self._event_filter & PARSE_EVENT_FILTER_COMMENT and elem.tag is Comment: + self._events.append(('comment', elem)) + elif self._event_filter & PARSE_EVENT_FILTER_PI and elem.tag is PI: + self._events.append(('pi', elem)) + + ns_count = self._start_node(root) + self._node_stack.append( (root, ns_count) ) + else: + self._index = -1 + + def __iter__(self): + return self + + def __next__(self): + cdef xmlNode* c_child + cdef _Element node + cdef _Element next_node + cdef int ns_count = 0 + if self._events: + return self._next_event() + if self._matcher is not None and self._index >= 0: + node = self._node_stack[self._index][0] + self._matcher.cacheTags(node._doc) + + # find next node + while self._index >= 0: + node = self._node_stack[self._index][0] + + if self._skip_state == IWSKIP_SKIP_NEXT: + c_child = NULL + else: + c_child = self._process_non_elements( + node._doc, _findChildForwards(node._c_node, 0)) + self._skip_state = IWSKIP_CANNOT_SKIP + + while c_child is NULL: + # back off through parents + self._index -= 1 + node = self._end_node() + if self._index < 0: + break + c_child = self._process_non_elements( + node._doc, _nextElement(node._c_node)) + + if c_child is not NULL: + next_node = _elementFactory(node._doc, c_child) + if self._event_filter & (PARSE_EVENT_FILTER_START | + PARSE_EVENT_FILTER_START_NS): + ns_count = self._start_node(next_node) + elif self._event_filter & PARSE_EVENT_FILTER_END_NS: + ns_count = _countNsDefs(next_node._c_node) + self._node_stack.append( (next_node, ns_count) ) + self._index += 1 + if self._events: + return self._next_event() + + if self._include_siblings is not None: + node, self._include_siblings = self._include_siblings, None + self._process_non_elements(node._doc, _nextElement(node._c_node)) + if self._events: + return self._next_event() + + raise StopIteration + + @cython.final + cdef xmlNode* _process_non_elements(self, _Document doc, xmlNode* c_node): + while c_node is not NULL and c_node.type != tree.XML_ELEMENT_NODE: + if c_node.type == tree.XML_COMMENT_NODE: + if self._event_filter & PARSE_EVENT_FILTER_COMMENT: + self._events.append( + ("comment", _elementFactory(doc, c_node))) + c_node = _nextElement(c_node) + elif c_node.type == tree.XML_PI_NODE: + if self._event_filter & PARSE_EVENT_FILTER_PI: + self._events.append( + ("pi", _elementFactory(doc, c_node))) + c_node = _nextElement(c_node) + else: + break + return c_node + + @cython.final + cdef _next_event(self): + if self._skip_state == IWSKIP_NEXT_IS_START: + if self._events[0][0] in ('start', 'start-ns'): + self._skip_state = IWSKIP_CAN_SKIP + return self._pop_event(0) + + def skip_subtree(self): + """Prevent descending into the current subtree. + Instead, the next returned event will be the 'end' event of the current element + (if included), ignoring any children or descendants. + + This has no effect right after an 'end' or 'end-ns' event. + """ + if self._skip_state == IWSKIP_CAN_SKIP: + self._skip_state = IWSKIP_SKIP_NEXT + + @cython.final + cdef int _start_node(self, _Element node) except -1: + cdef int ns_count + if self._event_filter & PARSE_EVENT_FILTER_START_NS: + ns_count = _appendStartNsEvents(node._c_node, self._events) + if self._events: + self._skip_state = IWSKIP_NEXT_IS_START + elif self._event_filter & PARSE_EVENT_FILTER_END_NS: + ns_count = _countNsDefs(node._c_node) + else: + ns_count = 0 + if self._event_filter & PARSE_EVENT_FILTER_START: + if self._matcher is None or self._matcher.matches(node._c_node): + self._events.append( ("start", node) ) + self._skip_state = IWSKIP_NEXT_IS_START + return ns_count + + @cython.final + cdef _Element _end_node(self): + cdef _Element node + cdef int i, ns_count + node, ns_count = self._node_stack.pop() + if self._event_filter & PARSE_EVENT_FILTER_END: + if self._matcher is None or self._matcher.matches(node._c_node): + self._events.append( ("end", node) ) + if self._event_filter & PARSE_EVENT_FILTER_END_NS and ns_count: + event = ("end-ns", None) + for i in range(ns_count): + self._events.append(event) + return node + + +cdef int _countNsDefs(xmlNode* c_node) noexcept: + cdef xmlNs* c_ns + cdef int count + count = 0 + c_ns = c_node.nsDef + while c_ns is not NULL: + count += (c_ns.href is not NULL) + c_ns = c_ns.next + return count + + +cdef int _appendStartNsEvents(xmlNode* c_node, list event_list) except -1: + cdef xmlNs* c_ns + cdef int count + count = 0 + c_ns = c_node.nsDef + while c_ns is not NULL: + if c_ns.href: + ns_tuple = (funicodeOrEmpty(c_ns.prefix), + funicode(c_ns.href)) + event_list.append( ("start-ns", ns_tuple) ) + count += 1 + c_ns = c_ns.next + return count diff --git a/.venv/lib/python3.12/site-packages/lxml/lxml.etree.h b/.venv/lib/python3.12/site-packages/lxml/lxml.etree.h new file mode 100644 index 0000000000000000000000000000000000000000..9489c14ff886ea58203ef9d58c57273035df26b8 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/lxml.etree.h @@ -0,0 +1,244 @@ +/* Generated by Cython 3.2.9 */ + +#ifndef __PYX_HAVE__lxml__etree +#define __PYX_HAVE__lxml__etree + +#include "Python.h" +struct LxmlDocument; +struct LxmlElement; +struct LxmlElementTree; +struct LxmlElementTagMatcher; +struct LxmlElementIterator; +struct LxmlElementBase; +struct LxmlElementClassLookup; +struct LxmlFallbackElementClassLookup; + +/* "lxml/etree.pyx":456 + * + * # type of a function that steps from node to node + * ctypedef public xmlNode* (*_node_to_node_function)(xmlNode*) # <<<<<<<<<<<<<< + * + * +*/ +typedef xmlNode *(*_node_to_node_function)(xmlNode *); + +/* "lxml/etree.pyx":470 + * # Public Python API + * + * @cython.final # <<<<<<<<<<<<<< + * @cython.freelist(8) + * cdef public class _Document [ type LxmlDocumentType, object LxmlDocument ]: +*/ +struct LxmlDocument { + PyObject_HEAD + struct __pyx_vtabstruct_4lxml_5etree__Document *__pyx_vtab; + int _ns_counter; + PyObject *_prefix_tail; + xmlDoc *_c_doc; + struct __pyx_obj_4lxml_5etree__BaseParser *_parser; +}; + +/* "lxml/etree.pyx":823 + * + * + * @cython.no_gc_clear # <<<<<<<<<<<<<< + * cdef public class _Element [ type LxmlElementType, object LxmlElement ]: + * """Element class. +*/ +struct LxmlElement { + PyObject_HEAD + struct LxmlDocument *_doc; + xmlNode *_c_node; + PyObject *_tag; +}; + +/* "lxml/etree.pyx":1997 + * + * + * cdef public class _ElementTree [ type LxmlElementTreeType, # <<<<<<<<<<<<<< + * object LxmlElementTree ]: + * cdef _Document _doc +*/ +struct LxmlElementTree { + PyObject_HEAD + struct __pyx_vtabstruct_4lxml_5etree__ElementTree *__pyx_vtab; + struct LxmlDocument *_doc; + struct LxmlElement *_context_node; +}; + +/* "lxml/etree.pyx":2771 + * + * + * cdef public class _ElementTagMatcher [ object LxmlElementTagMatcher, # <<<<<<<<<<<<<< + * type LxmlElementTagMatcherType ]: + * """ +*/ +struct LxmlElementTagMatcher { + PyObject_HEAD + struct __pyx_vtabstruct_4lxml_5etree__ElementTagMatcher *__pyx_vtab; + PyObject *_pystrings; + int _node_type; + char *_href; + char *_name; +}; + +/* "lxml/etree.pyx":2802 + * self._name = NULL + * + * cdef public class _ElementIterator(_ElementTagMatcher) [ # <<<<<<<<<<<<<< + * object LxmlElementIterator, type LxmlElementIteratorType ]: + * """ +*/ +struct LxmlElementIterator { + struct LxmlElementTagMatcher __pyx_base; + struct LxmlElement *_node; + _node_to_node_function _next_element; +}; + +/* "src/lxml/classlookup.pxi":6 + * # Custom Element classes + * + * cdef public class ElementBase(_Element) [ type LxmlElementBaseType, # <<<<<<<<<<<<<< + * object LxmlElementBase ]: + * """ElementBase(*children, attrib=None, nsmap=None, **_extra) +*/ +struct LxmlElementBase { + struct LxmlElement __pyx_base; +}; + +/* "src/lxml/classlookup.pxi":210 + * # Element class lookup + * + * ctypedef public object (*_element_class_lookup_function)(object, _Document, xmlNode*) # <<<<<<<<<<<<<< + * + * # class to store element class lookup functions +*/ +typedef PyObject *(*_element_class_lookup_function)(PyObject *, struct LxmlDocument *, xmlNode *); + +/* "src/lxml/classlookup.pxi":213 + * + * # class to store element class lookup functions + * cdef public class ElementClassLookup [ type LxmlElementClassLookupType, # <<<<<<<<<<<<<< + * object LxmlElementClassLookup ]: + * """ElementClassLookup(self) +*/ +struct LxmlElementClassLookup { + PyObject_HEAD + _element_class_lookup_function _lookup_function; +}; + +/* "src/lxml/classlookup.pxi":221 + * + * + * cdef public class FallbackElementClassLookup(ElementClassLookup) \ # <<<<<<<<<<<<<< + * [ type LxmlFallbackElementClassLookupType, + * object LxmlFallbackElementClassLookup ]: +*/ +struct LxmlFallbackElementClassLookup { + struct LxmlElementClassLookup __pyx_base; + struct __pyx_vtabstruct_4lxml_5etree_FallbackElementClassLookup *__pyx_vtab; + struct LxmlElementClassLookup *fallback; + _element_class_lookup_function _fallback_function; +}; + +#ifndef __PYX_HAVE_API__lxml__etree + +#ifdef CYTHON_EXTERN_C + #undef __PYX_EXTERN_C + #define __PYX_EXTERN_C CYTHON_EXTERN_C +#elif defined(__PYX_EXTERN_C) + #ifdef _MSC_VER + #pragma message ("Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead.") + #else + #warning Please do not define the '__PYX_EXTERN_C' macro externally. Use 'CYTHON_EXTERN_C' instead. + #endif +#else + #ifdef __cplusplus + #define __PYX_EXTERN_C extern "C" + #else + #define __PYX_EXTERN_C extern + #endif +#endif + +#ifndef DL_IMPORT + #define DL_IMPORT(_T) _T +#endif + +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlDocumentType; +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlElementType; +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlElementTreeType; +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlElementTagMatcherType; +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlElementIteratorType; +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlElementBaseType; +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlElementClassLookupType; +__PYX_EXTERN_C DL_IMPORT(PyTypeObject) LxmlFallbackElementClassLookupType; + +__PYX_EXTERN_C struct LxmlElement *deepcopyNodeToDocument(struct LxmlDocument *, xmlNode *); +__PYX_EXTERN_C struct LxmlElementTree *elementTreeFactory(struct LxmlElement *); +__PYX_EXTERN_C struct LxmlElementTree *newElementTree(struct LxmlElement *, PyObject *); +__PYX_EXTERN_C struct LxmlElementTree *adoptExternalDocument(xmlDoc *, PyObject *, int); +__PYX_EXTERN_C struct LxmlElement *elementFactory(struct LxmlDocument *, xmlNode *); +__PYX_EXTERN_C struct LxmlElement *makeElement(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *); +__PYX_EXTERN_C struct LxmlElement *makeSubElement(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *); +__PYX_EXTERN_C void setElementClassLookupFunction(_element_class_lookup_function, PyObject *); +__PYX_EXTERN_C PyObject *lookupDefaultElementClass(PyObject *, PyObject *, xmlNode *); +__PYX_EXTERN_C PyObject *lookupNamespaceElementClass(PyObject *, PyObject *, xmlNode *); +__PYX_EXTERN_C PyObject *callLookupFallback(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *); +__PYX_EXTERN_C int tagMatches(xmlNode *, const xmlChar *, const xmlChar *); +__PYX_EXTERN_C struct LxmlDocument *documentOrRaise(PyObject *); +__PYX_EXTERN_C struct LxmlElement *rootNodeOrRaise(PyObject *); +__PYX_EXTERN_C int hasText(xmlNode *); +__PYX_EXTERN_C int hasTail(xmlNode *); +__PYX_EXTERN_C PyObject *textOf(xmlNode *); +__PYX_EXTERN_C PyObject *tailOf(xmlNode *); +__PYX_EXTERN_C int setNodeText(xmlNode *, PyObject *); +__PYX_EXTERN_C int setTailText(xmlNode *, PyObject *); +__PYX_EXTERN_C PyObject *attributeValue(xmlNode *, xmlAttr *); +__PYX_EXTERN_C PyObject *attributeValueFromNsName(xmlNode *, const xmlChar *, const xmlChar *); +__PYX_EXTERN_C PyObject *getAttributeValue(struct LxmlElement *, PyObject *, PyObject *); +__PYX_EXTERN_C PyObject *iterattributes(struct LxmlElement *, int); +__PYX_EXTERN_C PyObject *collectAttributes(xmlNode *, int); +__PYX_EXTERN_C int setAttributeValue(struct LxmlElement *, PyObject *, PyObject *); +__PYX_EXTERN_C int delAttribute(struct LxmlElement *, PyObject *); +__PYX_EXTERN_C int delAttributeFromNsName(xmlNode *, const xmlChar *, const xmlChar *); +__PYX_EXTERN_C int hasChild(xmlNode *); +__PYX_EXTERN_C xmlNode *findChild(xmlNode *, Py_ssize_t); +__PYX_EXTERN_C xmlNode *findChildForwards(xmlNode *, Py_ssize_t); +__PYX_EXTERN_C xmlNode *findChildBackwards(xmlNode *, Py_ssize_t); +__PYX_EXTERN_C xmlNode *nextElement(xmlNode *); +__PYX_EXTERN_C xmlNode *previousElement(xmlNode *); +__PYX_EXTERN_C void appendChild(struct LxmlElement *, struct LxmlElement *); +__PYX_EXTERN_C int appendChildToElement(struct LxmlElement *, struct LxmlElement *); +__PYX_EXTERN_C PyObject *pyunicode(const xmlChar *); +__PYX_EXTERN_C PyObject *utf8(PyObject *); +__PYX_EXTERN_C PyObject *getNsTag(PyObject *); +__PYX_EXTERN_C PyObject *getNsTagWithEmptyNs(PyObject *); +__PYX_EXTERN_C PyObject *namespacedName(xmlNode *); +__PYX_EXTERN_C PyObject *namespacedNameFromNsName(const xmlChar *, const xmlChar *); +__PYX_EXTERN_C void iteratorStoreNext(struct LxmlElementIterator *, struct LxmlElement *); +__PYX_EXTERN_C void initTagMatch(struct LxmlElementTagMatcher *, PyObject *); +__PYX_EXTERN_C xmlNs *findOrBuildNodeNsPrefix(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *); + +#endif /* !__PYX_HAVE_API__lxml__etree */ + +/* WARNING: the interface of the module init function changed in CPython 3.5. */ +/* It now returns a PyModuleDef instance instead of a PyModule instance. */ + +/* WARNING: Use PyImport_AppendInittab("etree", PyInit_etree) instead of calling PyInit_etree directly from Python 3.5 */ +PyMODINIT_FUNC PyInit_etree(void); + +#if PY_VERSION_HEX >= 0x03050000 && (defined(__GNUC__) || defined(__clang__) || defined(_MSC_VER) || (defined(__cplusplus) && __cplusplus >= 201402L)) +#if defined(__cplusplus) && __cplusplus >= 201402L +[[deprecated("Use PyImport_AppendInittab(\"etree\", PyInit_etree) instead of calling PyInit_etree directly.")]] inline +#elif defined(__GNUC__) || defined(__clang__) +__attribute__ ((__deprecated__("Use PyImport_AppendInittab(\"etree\", PyInit_etree) instead of calling PyInit_etree directly."), __unused__)) __inline__ +#elif defined(_MSC_VER) +__declspec(deprecated("Use PyImport_AppendInittab(\"etree\", PyInit_etree) instead of calling PyInit_etree directly.")) __inline +#endif +static PyObject* __PYX_WARN_IF_PyInit_etree_INIT_CALLED(PyObject* res) { + return res; +} +#define PyInit_etree() __PYX_WARN_IF_PyInit_etree_INIT_CALLED(PyInit_etree()) +#endif + +#endif /* !__PYX_HAVE__lxml__etree */ diff --git a/.venv/lib/python3.12/site-packages/lxml/lxml.etree_api.h b/.venv/lib/python3.12/site-packages/lxml/lxml.etree_api.h new file mode 100644 index 0000000000000000000000000000000000000000..4e2db44f5f3e07f3274ccf02a2c897203c7fd1fe --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/lxml.etree_api.h @@ -0,0 +1,214 @@ +/* Generated by Cython 3.2.9 */ + +#ifndef __PYX_HAVE_API__lxml__etree +#define __PYX_HAVE_API__lxml__etree +#ifdef __MINGW64__ +#define MS_WIN64 +#endif +#include "Python.h" +#include "lxml.etree.h" + +static struct LxmlElement *(*__pyx_api_f_4lxml_5etree_deepcopyNodeToDocument)(struct LxmlDocument *, xmlNode *) = 0; +#define deepcopyNodeToDocument __pyx_api_f_4lxml_5etree_deepcopyNodeToDocument +static struct LxmlElementTree *(*__pyx_api_f_4lxml_5etree_elementTreeFactory)(struct LxmlElement *) = 0; +#define elementTreeFactory __pyx_api_f_4lxml_5etree_elementTreeFactory +static struct LxmlElementTree *(*__pyx_api_f_4lxml_5etree_newElementTree)(struct LxmlElement *, PyObject *) = 0; +#define newElementTree __pyx_api_f_4lxml_5etree_newElementTree +static struct LxmlElementTree *(*__pyx_api_f_4lxml_5etree_adoptExternalDocument)(xmlDoc *, PyObject *, int) = 0; +#define adoptExternalDocument __pyx_api_f_4lxml_5etree_adoptExternalDocument +static struct LxmlElement *(*__pyx_api_f_4lxml_5etree_elementFactory)(struct LxmlDocument *, xmlNode *) = 0; +#define elementFactory __pyx_api_f_4lxml_5etree_elementFactory +static struct LxmlElement *(*__pyx_api_f_4lxml_5etree_makeElement)(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *) = 0; +#define makeElement __pyx_api_f_4lxml_5etree_makeElement +static struct LxmlElement *(*__pyx_api_f_4lxml_5etree_makeSubElement)(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *) = 0; +#define makeSubElement __pyx_api_f_4lxml_5etree_makeSubElement +static void (*__pyx_api_f_4lxml_5etree_setElementClassLookupFunction)(_element_class_lookup_function, PyObject *) = 0; +#define setElementClassLookupFunction __pyx_api_f_4lxml_5etree_setElementClassLookupFunction +static PyObject *(*__pyx_api_f_4lxml_5etree_lookupDefaultElementClass)(PyObject *, PyObject *, xmlNode *) = 0; +#define lookupDefaultElementClass __pyx_api_f_4lxml_5etree_lookupDefaultElementClass +static PyObject *(*__pyx_api_f_4lxml_5etree_lookupNamespaceElementClass)(PyObject *, PyObject *, xmlNode *) = 0; +#define lookupNamespaceElementClass __pyx_api_f_4lxml_5etree_lookupNamespaceElementClass +static PyObject *(*__pyx_api_f_4lxml_5etree_callLookupFallback)(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *) = 0; +#define callLookupFallback __pyx_api_f_4lxml_5etree_callLookupFallback +static int (*__pyx_api_f_4lxml_5etree_tagMatches)(xmlNode *, const xmlChar *, const xmlChar *) = 0; +#define tagMatches __pyx_api_f_4lxml_5etree_tagMatches +static struct LxmlDocument *(*__pyx_api_f_4lxml_5etree_documentOrRaise)(PyObject *) = 0; +#define documentOrRaise __pyx_api_f_4lxml_5etree_documentOrRaise +static struct LxmlElement *(*__pyx_api_f_4lxml_5etree_rootNodeOrRaise)(PyObject *) = 0; +#define rootNodeOrRaise __pyx_api_f_4lxml_5etree_rootNodeOrRaise +static int (*__pyx_api_f_4lxml_5etree_hasText)(xmlNode *) = 0; +#define hasText __pyx_api_f_4lxml_5etree_hasText +static int (*__pyx_api_f_4lxml_5etree_hasTail)(xmlNode *) = 0; +#define hasTail __pyx_api_f_4lxml_5etree_hasTail +static PyObject *(*__pyx_api_f_4lxml_5etree_textOf)(xmlNode *) = 0; +#define textOf __pyx_api_f_4lxml_5etree_textOf +static PyObject *(*__pyx_api_f_4lxml_5etree_tailOf)(xmlNode *) = 0; +#define tailOf __pyx_api_f_4lxml_5etree_tailOf +static int (*__pyx_api_f_4lxml_5etree_setNodeText)(xmlNode *, PyObject *) = 0; +#define setNodeText __pyx_api_f_4lxml_5etree_setNodeText +static int (*__pyx_api_f_4lxml_5etree_setTailText)(xmlNode *, PyObject *) = 0; +#define setTailText __pyx_api_f_4lxml_5etree_setTailText +static PyObject *(*__pyx_api_f_4lxml_5etree_attributeValue)(xmlNode *, xmlAttr *) = 0; +#define attributeValue __pyx_api_f_4lxml_5etree_attributeValue +static PyObject *(*__pyx_api_f_4lxml_5etree_attributeValueFromNsName)(xmlNode *, const xmlChar *, const xmlChar *) = 0; +#define attributeValueFromNsName __pyx_api_f_4lxml_5etree_attributeValueFromNsName +static PyObject *(*__pyx_api_f_4lxml_5etree_getAttributeValue)(struct LxmlElement *, PyObject *, PyObject *) = 0; +#define getAttributeValue __pyx_api_f_4lxml_5etree_getAttributeValue +static PyObject *(*__pyx_api_f_4lxml_5etree_iterattributes)(struct LxmlElement *, int) = 0; +#define iterattributes __pyx_api_f_4lxml_5etree_iterattributes +static PyObject *(*__pyx_api_f_4lxml_5etree_collectAttributes)(xmlNode *, int) = 0; +#define collectAttributes __pyx_api_f_4lxml_5etree_collectAttributes +static int (*__pyx_api_f_4lxml_5etree_setAttributeValue)(struct LxmlElement *, PyObject *, PyObject *) = 0; +#define setAttributeValue __pyx_api_f_4lxml_5etree_setAttributeValue +static int (*__pyx_api_f_4lxml_5etree_delAttribute)(struct LxmlElement *, PyObject *) = 0; +#define delAttribute __pyx_api_f_4lxml_5etree_delAttribute +static int (*__pyx_api_f_4lxml_5etree_delAttributeFromNsName)(xmlNode *, const xmlChar *, const xmlChar *) = 0; +#define delAttributeFromNsName __pyx_api_f_4lxml_5etree_delAttributeFromNsName +static int (*__pyx_api_f_4lxml_5etree_hasChild)(xmlNode *) = 0; +#define hasChild __pyx_api_f_4lxml_5etree_hasChild +static xmlNode *(*__pyx_api_f_4lxml_5etree_findChild)(xmlNode *, Py_ssize_t) = 0; +#define findChild __pyx_api_f_4lxml_5etree_findChild +static xmlNode *(*__pyx_api_f_4lxml_5etree_findChildForwards)(xmlNode *, Py_ssize_t) = 0; +#define findChildForwards __pyx_api_f_4lxml_5etree_findChildForwards +static xmlNode *(*__pyx_api_f_4lxml_5etree_findChildBackwards)(xmlNode *, Py_ssize_t) = 0; +#define findChildBackwards __pyx_api_f_4lxml_5etree_findChildBackwards +static xmlNode *(*__pyx_api_f_4lxml_5etree_nextElement)(xmlNode *) = 0; +#define nextElement __pyx_api_f_4lxml_5etree_nextElement +static xmlNode *(*__pyx_api_f_4lxml_5etree_previousElement)(xmlNode *) = 0; +#define previousElement __pyx_api_f_4lxml_5etree_previousElement +static void (*__pyx_api_f_4lxml_5etree_appendChild)(struct LxmlElement *, struct LxmlElement *) = 0; +#define appendChild __pyx_api_f_4lxml_5etree_appendChild +static int (*__pyx_api_f_4lxml_5etree_appendChildToElement)(struct LxmlElement *, struct LxmlElement *) = 0; +#define appendChildToElement __pyx_api_f_4lxml_5etree_appendChildToElement +static PyObject *(*__pyx_api_f_4lxml_5etree_pyunicode)(const xmlChar *) = 0; +#define pyunicode __pyx_api_f_4lxml_5etree_pyunicode +static PyObject *(*__pyx_api_f_4lxml_5etree_utf8)(PyObject *) = 0; +#define utf8 __pyx_api_f_4lxml_5etree_utf8 +static PyObject *(*__pyx_api_f_4lxml_5etree_getNsTag)(PyObject *) = 0; +#define getNsTag __pyx_api_f_4lxml_5etree_getNsTag +static PyObject *(*__pyx_api_f_4lxml_5etree_getNsTagWithEmptyNs)(PyObject *) = 0; +#define getNsTagWithEmptyNs __pyx_api_f_4lxml_5etree_getNsTagWithEmptyNs +static PyObject *(*__pyx_api_f_4lxml_5etree_namespacedName)(xmlNode *) = 0; +#define namespacedName __pyx_api_f_4lxml_5etree_namespacedName +static PyObject *(*__pyx_api_f_4lxml_5etree_namespacedNameFromNsName)(const xmlChar *, const xmlChar *) = 0; +#define namespacedNameFromNsName __pyx_api_f_4lxml_5etree_namespacedNameFromNsName +static void (*__pyx_api_f_4lxml_5etree_iteratorStoreNext)(struct LxmlElementIterator *, struct LxmlElement *) = 0; +#define iteratorStoreNext __pyx_api_f_4lxml_5etree_iteratorStoreNext +static void (*__pyx_api_f_4lxml_5etree_initTagMatch)(struct LxmlElementTagMatcher *, PyObject *) = 0; +#define initTagMatch __pyx_api_f_4lxml_5etree_initTagMatch +static xmlNs *(*__pyx_api_f_4lxml_5etree_findOrBuildNodeNsPrefix)(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *) = 0; +#define findOrBuildNodeNsPrefix __pyx_api_f_4lxml_5etree_findOrBuildNodeNsPrefix +static int __Pyx_ImportFunction_3_2_9(PyObject *module, const char *funcname, void (**f)(void), const char *sig); + +#ifndef __PYX_HAVE_RT_ImportFromPxd_3_2_9 +#define __PYX_HAVE_RT_ImportFromPxd_3_2_9 +static int __Pyx_ImportFromPxd_3_2_9(PyObject *module, const char *name, void **p, const char *sig, const char *what) { + PyObject *d = 0; + PyObject *cobj = 0; + d = PyObject_GetAttrString(module, "__pyx_capi__"); + if (!d) + goto bad; +#if (defined(Py_LIMITED_API) && Py_LIMITED_API >= 0x030d0000) || (!defined(Py_LIMITED_API) && PY_VERSION_HEX >= 0x030d0000) + PyDict_GetItemStringRef(d, name, &cobj); +#else + cobj = PyDict_GetItemString(d, name); + Py_XINCREF(cobj); +#endif + if (!cobj) { + PyErr_Format(PyExc_ImportError, + "%.200s does not export expected C %.8s %.200s", + PyModule_GetName(module), what, name); + goto bad; + } + if (!PyCapsule_IsValid(cobj, sig)) { + PyErr_Format(PyExc_TypeError, + "C %.8s %.200s.%.200s has wrong signature (expected %.500s, got %.500s)", + what, PyModule_GetName(module), name, sig, PyCapsule_GetName(cobj)); + goto bad; + } + *p = PyCapsule_GetPointer(cobj, sig); + if (!(*p)) + goto bad; + Py_DECREF(d); + Py_DECREF(cobj); + return 0; +bad: + Py_XDECREF(d); + Py_XDECREF(cobj); + return -1; +} +#endif + +#ifndef __PYX_HAVE_RT_ImportFunction_3_2_9 +#define __PYX_HAVE_RT_ImportFunction_3_2_9 +static int __Pyx_ImportFunction_3_2_9(PyObject *module, const char *funcname, void (**f)(void), const char *sig) { + union { + void (*fp)(void); + void *p; + } tmp; + int result = __Pyx_ImportFromPxd_3_2_9(module, funcname, &tmp.p, sig, "function"); + if (result == 0) { + *f = tmp.fp; + } + return result; +} +#endif + + +static int import_lxml__etree(void) { + PyObject *module = 0; + module = PyImport_ImportModule("lxml.etree"); + if (!module) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "deepcopyNodeToDocument", (void (**)(void))&__pyx_api_f_4lxml_5etree_deepcopyNodeToDocument, "struct LxmlElement *(struct LxmlDocument *, xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "elementTreeFactory", (void (**)(void))&__pyx_api_f_4lxml_5etree_elementTreeFactory, "struct LxmlElementTree *(struct LxmlElement *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "newElementTree", (void (**)(void))&__pyx_api_f_4lxml_5etree_newElementTree, "struct LxmlElementTree *(struct LxmlElement *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "adoptExternalDocument", (void (**)(void))&__pyx_api_f_4lxml_5etree_adoptExternalDocument, "struct LxmlElementTree *(xmlDoc *, PyObject *, int)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "elementFactory", (void (**)(void))&__pyx_api_f_4lxml_5etree_elementFactory, "struct LxmlElement *(struct LxmlDocument *, xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "makeElement", (void (**)(void))&__pyx_api_f_4lxml_5etree_makeElement, "struct LxmlElement *(PyObject *, struct LxmlDocument *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "makeSubElement", (void (**)(void))&__pyx_api_f_4lxml_5etree_makeSubElement, "struct LxmlElement *(struct LxmlElement *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "setElementClassLookupFunction", (void (**)(void))&__pyx_api_f_4lxml_5etree_setElementClassLookupFunction, "void (_element_class_lookup_function, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "lookupDefaultElementClass", (void (**)(void))&__pyx_api_f_4lxml_5etree_lookupDefaultElementClass, "PyObject *(PyObject *, PyObject *, xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "lookupNamespaceElementClass", (void (**)(void))&__pyx_api_f_4lxml_5etree_lookupNamespaceElementClass, "PyObject *(PyObject *, PyObject *, xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "callLookupFallback", (void (**)(void))&__pyx_api_f_4lxml_5etree_callLookupFallback, "PyObject *(struct LxmlFallbackElementClassLookup *, struct LxmlDocument *, xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "tagMatches", (void (**)(void))&__pyx_api_f_4lxml_5etree_tagMatches, "int (xmlNode *, const xmlChar *, const xmlChar *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "documentOrRaise", (void (**)(void))&__pyx_api_f_4lxml_5etree_documentOrRaise, "struct LxmlDocument *(PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "rootNodeOrRaise", (void (**)(void))&__pyx_api_f_4lxml_5etree_rootNodeOrRaise, "struct LxmlElement *(PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "hasText", (void (**)(void))&__pyx_api_f_4lxml_5etree_hasText, "int (xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "hasTail", (void (**)(void))&__pyx_api_f_4lxml_5etree_hasTail, "int (xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "textOf", (void (**)(void))&__pyx_api_f_4lxml_5etree_textOf, "PyObject *(xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "tailOf", (void (**)(void))&__pyx_api_f_4lxml_5etree_tailOf, "PyObject *(xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "setNodeText", (void (**)(void))&__pyx_api_f_4lxml_5etree_setNodeText, "int (xmlNode *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "setTailText", (void (**)(void))&__pyx_api_f_4lxml_5etree_setTailText, "int (xmlNode *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "attributeValue", (void (**)(void))&__pyx_api_f_4lxml_5etree_attributeValue, "PyObject *(xmlNode *, xmlAttr *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "attributeValueFromNsName", (void (**)(void))&__pyx_api_f_4lxml_5etree_attributeValueFromNsName, "PyObject *(xmlNode *, const xmlChar *, const xmlChar *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "getAttributeValue", (void (**)(void))&__pyx_api_f_4lxml_5etree_getAttributeValue, "PyObject *(struct LxmlElement *, PyObject *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "iterattributes", (void (**)(void))&__pyx_api_f_4lxml_5etree_iterattributes, "PyObject *(struct LxmlElement *, int)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "collectAttributes", (void (**)(void))&__pyx_api_f_4lxml_5etree_collectAttributes, "PyObject *(xmlNode *, int)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "setAttributeValue", (void (**)(void))&__pyx_api_f_4lxml_5etree_setAttributeValue, "int (struct LxmlElement *, PyObject *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "delAttribute", (void (**)(void))&__pyx_api_f_4lxml_5etree_delAttribute, "int (struct LxmlElement *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "delAttributeFromNsName", (void (**)(void))&__pyx_api_f_4lxml_5etree_delAttributeFromNsName, "int (xmlNode *, const xmlChar *, const xmlChar *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "hasChild", (void (**)(void))&__pyx_api_f_4lxml_5etree_hasChild, "int (xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "findChild", (void (**)(void))&__pyx_api_f_4lxml_5etree_findChild, "xmlNode *(xmlNode *, Py_ssize_t)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "findChildForwards", (void (**)(void))&__pyx_api_f_4lxml_5etree_findChildForwards, "xmlNode *(xmlNode *, Py_ssize_t)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "findChildBackwards", (void (**)(void))&__pyx_api_f_4lxml_5etree_findChildBackwards, "xmlNode *(xmlNode *, Py_ssize_t)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "nextElement", (void (**)(void))&__pyx_api_f_4lxml_5etree_nextElement, "xmlNode *(xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "previousElement", (void (**)(void))&__pyx_api_f_4lxml_5etree_previousElement, "xmlNode *(xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "appendChild", (void (**)(void))&__pyx_api_f_4lxml_5etree_appendChild, "void (struct LxmlElement *, struct LxmlElement *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "appendChildToElement", (void (**)(void))&__pyx_api_f_4lxml_5etree_appendChildToElement, "int (struct LxmlElement *, struct LxmlElement *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "pyunicode", (void (**)(void))&__pyx_api_f_4lxml_5etree_pyunicode, "PyObject *(const xmlChar *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "utf8", (void (**)(void))&__pyx_api_f_4lxml_5etree_utf8, "PyObject *(PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "getNsTag", (void (**)(void))&__pyx_api_f_4lxml_5etree_getNsTag, "PyObject *(PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "getNsTagWithEmptyNs", (void (**)(void))&__pyx_api_f_4lxml_5etree_getNsTagWithEmptyNs, "PyObject *(PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "namespacedName", (void (**)(void))&__pyx_api_f_4lxml_5etree_namespacedName, "PyObject *(xmlNode *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "namespacedNameFromNsName", (void (**)(void))&__pyx_api_f_4lxml_5etree_namespacedNameFromNsName, "PyObject *(const xmlChar *, const xmlChar *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "iteratorStoreNext", (void (**)(void))&__pyx_api_f_4lxml_5etree_iteratorStoreNext, "void (struct LxmlElementIterator *, struct LxmlElement *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "initTagMatch", (void (**)(void))&__pyx_api_f_4lxml_5etree_initTagMatch, "void (struct LxmlElementTagMatcher *, PyObject *)") < 0) goto bad; + if (__Pyx_ImportFunction_3_2_9(module, "findOrBuildNodeNsPrefix", (void (**)(void))&__pyx_api_f_4lxml_5etree_findOrBuildNodeNsPrefix, "xmlNs *(struct LxmlDocument *, xmlNode *, const xmlChar *, const xmlChar *)") < 0) goto bad; + Py_DECREF(module); module = 0; + return 0; + bad: + Py_XDECREF(module); + return -1; +} + +#endif /* !__PYX_HAVE_API__lxml__etree */ diff --git a/.venv/lib/python3.12/site-packages/lxml/nsclasses.pxi b/.venv/lib/python3.12/site-packages/lxml/nsclasses.pxi new file mode 100644 index 0000000000000000000000000000000000000000..a3c86f0e0140557c0f3f2c5a2557dab1c62bfe3c --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/nsclasses.pxi @@ -0,0 +1,281 @@ +# module-level API for namespace implementations + +cdef class LxmlRegistryError(LxmlError): + """Base class of lxml registry errors. + """ + +cdef class NamespaceRegistryError(LxmlRegistryError): + """Error registering a namespace extension. + """ + + +@cython.internal +cdef class _NamespaceRegistry: + "Dictionary-like namespace registry" + cdef object _ns_uri + cdef bytes _ns_uri_utf + cdef dict _entries + cdef char* _c_ns_uri_utf + def __cinit__(self, ns_uri): + self._ns_uri = ns_uri + if ns_uri is None: + self._ns_uri_utf = None + self._c_ns_uri_utf = NULL + else: + self._ns_uri_utf = _utf8(ns_uri) + self._c_ns_uri_utf = _cstr(self._ns_uri_utf) + self._entries = {} + + def update(self, class_dict_iterable): + """update(self, class_dict_iterable) + + Forgivingly update the registry. + + ``class_dict_iterable`` may be a dict or some other iterable + that yields (name, value) pairs. + + If a value does not match the required type for this registry, + or if the name starts with '_', it will be silently discarded. + This allows registrations at the module or class level using + vars(), globals() etc.""" + if hasattr(class_dict_iterable, 'items'): + class_dict_iterable = class_dict_iterable.items() + for name, item in class_dict_iterable: + if (name is None or name[:1] != '_') and callable(item): + self[name] = item + + def __getitem__(self, name): + if name is not None: + name = _utf8(name) + return self._get(name) + + def __delitem__(self, name): + if name is not None: + name = _utf8(name) + del self._entries[name] + + cdef object _get(self, object name): + cdef python.PyObject* dict_result + dict_result = python.PyDict_GetItem(self._entries, name) + if dict_result is NULL: + raise KeyError, "Name not registered." + return dict_result + + cdef object _getForString(self, char* name): + cdef python.PyObject* dict_result + dict_result = python.PyDict_GetItem(self._entries, name) + if dict_result is NULL: + raise KeyError, "Name not registered." + return dict_result + + def __iter__(self): + return iter(self._entries) + + def items(self): + return list(self._entries.items()) + + def iteritems(self): + return iter(self._entries.items()) + + def clear(self): + self._entries.clear() + + def __call__(self, obj): + # Usage as decorator: + # ns = lookup.get_namespace("...") + # @ns('abc') + # class element(ElementBase): pass + # + # @ns + # class elementname(ElementBase): pass + + if obj is None or python._isString(obj): + # @ns(None) or @ns('tag') + return partial(self.__deco, obj) + # plain @ns decorator + self[obj.__name__] = obj + return obj + + def __deco(self, name, obj): + self[name] = obj + return obj + + +@cython.final +@cython.internal +cdef class _ClassNamespaceRegistry(_NamespaceRegistry): + "Dictionary-like registry for namespace implementation classes" + def __setitem__(self, name, item): + if not isinstance(item, type) or not issubclass(item, ElementBase): + raise NamespaceRegistryError, \ + "Registered element classes must be subtypes of ElementBase" + if name is not None: + name = _utf8(name) + self._entries[name] = item + + def __repr__(self): + return "Namespace(%r)" % self._ns_uri + + +cdef class ElementNamespaceClassLookup(FallbackElementClassLookup): + """ElementNamespaceClassLookup(self, fallback=None) + + Element class lookup scheme that searches the Element class in the + Namespace registry. + + Usage: + + >>> lookup = ElementNamespaceClassLookup() + >>> ns_elements = lookup.get_namespace("http://schema.org/Movie") + + >>> @ns_elements + ... class movie(ElementBase): + ... "Element implementation for 'movie' tag (using class name) in schema namespace." + + >>> @ns_elements("movie") + ... class MovieElement(ElementBase): + ... "Element implementation for 'movie' tag (explicit tag name) in schema namespace." + """ + cdef dict _namespace_registries + def __cinit__(self): + self._namespace_registries = {} + + def __init__(self, ElementClassLookup fallback=None): + FallbackElementClassLookup.__init__(self, fallback) + self._lookup_function = _find_nselement_class + + def get_namespace(self, ns_uri): + """get_namespace(self, ns_uri) + + Retrieve the namespace object associated with the given URI. + Pass None for the empty namespace. + + Creates a new namespace object if it does not yet exist.""" + if ns_uri: + ns_utf = _utf8(ns_uri) + else: + ns_utf = None + try: + return self._namespace_registries[ns_utf] + except KeyError: + registry = self._namespace_registries[ns_utf] = \ + _ClassNamespaceRegistry(ns_uri) + return registry + +cdef object _find_nselement_class(state, _Document doc, xmlNode* c_node): + cdef python.PyObject* dict_result + cdef ElementNamespaceClassLookup lookup + cdef _NamespaceRegistry registry + if state is None: + return _lookupDefaultElementClass(None, doc, c_node) + + lookup = state + if c_node.type != tree.XML_ELEMENT_NODE: + return _callLookupFallback(lookup, doc, c_node) + + c_namespace_utf = _getNs(c_node) + if c_namespace_utf is not NULL: + dict_result = python.PyDict_GetItem( + lookup._namespace_registries, c_namespace_utf) + else: + dict_result = python.PyDict_GetItem( + lookup._namespace_registries, None) + if dict_result is not NULL: + registry = <_NamespaceRegistry>dict_result + classes = registry._entries + + if c_node.name is not NULL: + dict_result = python.PyDict_GetItem( + classes, c_node.name) + else: + dict_result = NULL + + if dict_result is NULL: + dict_result = python.PyDict_GetItem(classes, None) + + if dict_result is not NULL: + return dict_result + return _callLookupFallback(lookup, doc, c_node) + + +################################################################################ +# XPath extension functions + +cdef dict __FUNCTION_NAMESPACE_REGISTRIES +__FUNCTION_NAMESPACE_REGISTRIES = {} + +def FunctionNamespace(ns_uri): + """FunctionNamespace(ns_uri) + + Retrieve the function namespace object associated with the given + URI. + + Creates a new one if it does not yet exist. A function namespace + can only be used to register extension functions. + + Usage: + + >>> ns_functions = FunctionNamespace("http://schema.org/Movie") + + >>> @ns_functions # uses function name + ... def add2(x): + ... return x + 2 + + >>> @ns_functions("add3") # uses explicit name + ... def add_three(x): + ... return x + 3 + """ + ns_utf = _utf8(ns_uri) if ns_uri else None + try: + return __FUNCTION_NAMESPACE_REGISTRIES[ns_utf] + except KeyError: + registry = __FUNCTION_NAMESPACE_REGISTRIES[ns_utf] = \ + _XPathFunctionNamespaceRegistry(ns_uri) + return registry + +@cython.internal +cdef class _FunctionNamespaceRegistry(_NamespaceRegistry): + def __setitem__(self, name, item): + if not callable(item): + raise NamespaceRegistryError, \ + "Registered functions must be callable." + if not name: + raise ValueError, \ + "extensions must have non empty names" + self._entries[_utf8(name)] = item + + def __repr__(self): + return "FunctionNamespace(%r)" % self._ns_uri + +@cython.final +@cython.internal +cdef class _XPathFunctionNamespaceRegistry(_FunctionNamespaceRegistry): + cdef object _prefix + cdef bytes _prefix_utf + + property prefix: + "Namespace prefix for extension functions." + def __del__(self): + self._prefix = None # no prefix configured + self._prefix_utf = None + def __get__(self): + if self._prefix is None: + return '' + else: + return self._prefix + def __set__(self, prefix): + if prefix == '': + prefix = None # empty prefix + self._prefix_utf = _utf8(prefix) if prefix is not None else None + self._prefix = prefix + +cdef list _find_all_extension_prefixes(): + "Internal lookup function to find all function prefixes for XSLT/XPath." + cdef _XPathFunctionNamespaceRegistry registry + cdef list ns_prefixes = [] + for registry in __FUNCTION_NAMESPACE_REGISTRIES.itervalues(): + if registry._prefix_utf is not None: + if registry._ns_uri_utf is not None: + ns_prefixes.append( + (registry._prefix_utf, registry._ns_uri_utf)) + return ns_prefixes diff --git a/.venv/lib/python3.12/site-packages/lxml/objectify.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/lxml/objectify.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..8bacef789bd89a6bb3c91515e8c0c49c2cb0e887 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/objectify.cpython-312-x86_64-linux-gnu.so @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:e0bbc24c44024d06c001a5e399143ebac39c5218da976c5a2d8a0b4ea14cb569 +size 2920920 diff --git a/.venv/lib/python3.12/site-packages/lxml/objectify.pyx b/.venv/lib/python3.12/site-packages/lxml/objectify.pyx new file mode 100644 index 0000000000000000000000000000000000000000..237c498d136b52d6b7260eeaf163692758fcc546 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/objectify.pyx @@ -0,0 +1,2148 @@ +# cython: binding=True +# cython: auto_pickle=False +# cython: language_level=3 + +""" +The ``lxml.objectify`` module implements a Python object API for XML. +It is based on `lxml.etree`. +""" + +cimport cython + +from lxml.includes.etreepublic cimport _Document, _Element, ElementBase, ElementClassLookup +from lxml.includes.etreepublic cimport elementFactory, import_lxml__etree, textOf, pyunicode +from lxml.includes.tree cimport const_xmlChar, _xcstr +from lxml cimport python +from lxml.includes cimport tree + +cimport lxml.includes.etreepublic as cetree +cimport libc.string as cstring_h # not to be confused with stdlib 'string' +from libc.string cimport const_char +from libc cimport limits + +__all__ = ['BoolElement', 'DataElement', 'E', 'Element', 'ElementMaker', + 'FloatElement', 'IntElement', 'NoneElement', + 'NumberElement', 'ObjectPath', 'ObjectifiedDataElement', + 'ObjectifiedElement', 'ObjectifyElementClassLookup', + 'PYTYPE_ATTRIBUTE', 'PyType', 'StringElement', 'SubElement', + 'XML', 'annotate', 'deannotate', 'dump', 'enable_recursive_str', + 'fromstring', 'getRegisteredTypes', 'makeparser', 'parse', + 'pyannotate', 'pytypename', 'set_default_parser', + 'set_pytype_attribute_tag', 'xsiannotate'] + +cdef object etree +from lxml import etree +# initialize C-API of lxml.etree +import_lxml__etree() + +__version__ = etree.__version__ + +cdef object _float_is_inf, _float_is_nan +from math import isinf as _float_is_inf, isnan as _float_is_nan + +cdef object re +import re + +cdef tuple IGNORABLE_ERRORS = (ValueError, TypeError) +cdef object is_special_method = re.compile('__.*__$').match + + +cdef object _typename(object t): + cdef const_char* c_name + c_name = python._fqtypename(t) + s = cstring_h.strrchr(c_name, c'.') + if s is not NULL: + c_name = s + 1 + return pyunicode(c_name) + + +# namespace/name for "pytype" hint attribute +cdef object PYTYPE_NAMESPACE +cdef bytes PYTYPE_NAMESPACE_UTF8 +cdef const_xmlChar* _PYTYPE_NAMESPACE + +cdef object PYTYPE_ATTRIBUTE_NAME +cdef bytes PYTYPE_ATTRIBUTE_NAME_UTF8 +cdef const_xmlChar* _PYTYPE_ATTRIBUTE_NAME + +PYTYPE_ATTRIBUTE = None + +cdef unicode TREE_PYTYPE_NAME = "TREE" + +cdef tuple _unicodeAndUtf8(s): + return s, python.PyUnicode_AsUTF8String(s) + +def set_pytype_attribute_tag(attribute_tag=None): + """set_pytype_attribute_tag(attribute_tag=None) + Change name and namespace of the XML attribute that holds Python type + information. + + Do not use this unless you know what you are doing. + + Reset by calling without argument. + + Default: "{http://codespeak.net/lxml/objectify/pytype}pytype" + """ + global PYTYPE_ATTRIBUTE, _PYTYPE_NAMESPACE, _PYTYPE_ATTRIBUTE_NAME + global PYTYPE_NAMESPACE, PYTYPE_NAMESPACE_UTF8 + global PYTYPE_ATTRIBUTE_NAME, PYTYPE_ATTRIBUTE_NAME_UTF8 + if attribute_tag is None: + PYTYPE_NAMESPACE, PYTYPE_NAMESPACE_UTF8 = \ + _unicodeAndUtf8("http://codespeak.net/lxml/objectify/pytype") + PYTYPE_ATTRIBUTE_NAME, PYTYPE_ATTRIBUTE_NAME_UTF8 = \ + _unicodeAndUtf8("pytype") + else: + PYTYPE_NAMESPACE_UTF8, PYTYPE_ATTRIBUTE_NAME_UTF8 = \ + cetree.getNsTag(attribute_tag) + PYTYPE_NAMESPACE = PYTYPE_NAMESPACE_UTF8.decode('utf8') + PYTYPE_ATTRIBUTE_NAME = PYTYPE_ATTRIBUTE_NAME_UTF8.decode('utf8') + + _PYTYPE_NAMESPACE = PYTYPE_NAMESPACE_UTF8 + _PYTYPE_ATTRIBUTE_NAME = PYTYPE_ATTRIBUTE_NAME_UTF8 + PYTYPE_ATTRIBUTE = cetree.namespacedNameFromNsName( + _PYTYPE_NAMESPACE, _PYTYPE_ATTRIBUTE_NAME) + +set_pytype_attribute_tag() + + +# namespaces for XML Schema +cdef object XML_SCHEMA_NS, XML_SCHEMA_NS_UTF8 +XML_SCHEMA_NS, XML_SCHEMA_NS_UTF8 = \ + _unicodeAndUtf8("http://www.w3.org/2001/XMLSchema") +cdef const_xmlChar* _XML_SCHEMA_NS = _xcstr(XML_SCHEMA_NS_UTF8) + +cdef object XML_SCHEMA_INSTANCE_NS, XML_SCHEMA_INSTANCE_NS_UTF8 +XML_SCHEMA_INSTANCE_NS, XML_SCHEMA_INSTANCE_NS_UTF8 = \ + _unicodeAndUtf8("http://www.w3.org/2001/XMLSchema-instance") +cdef const_xmlChar* _XML_SCHEMA_INSTANCE_NS = _xcstr(XML_SCHEMA_INSTANCE_NS_UTF8) + +cdef object XML_SCHEMA_INSTANCE_NIL_ATTR = "{%s}nil" % XML_SCHEMA_INSTANCE_NS +cdef object XML_SCHEMA_INSTANCE_TYPE_ATTR = "{%s}type" % XML_SCHEMA_INSTANCE_NS + + +################################################################################ +# Element class for the main API + +cdef class ObjectifiedElement(ElementBase): + """Main XML Element class. + + Element children are accessed as object attributes. Multiple children + with the same name are available through a list index. Example:: + + >>> root = XML("01") + >>> second_c2 = root.c1.c2[1] + >>> print(second_c2.text) + 1 + + Note that you cannot (and must not) instantiate this class or its + subclasses. + """ + def __iter__(self): + """Iterate over self and all siblings with the same tag. + """ + parent = self.getparent() + if parent is None: + return iter([self]) + return etree.ElementChildIterator(parent, tag=self.tag) + + def __str__(self): + if __RECURSIVE_STR: + return _dump(self, 0) + else: + return textOf(self._c_node) or '' + + # pickle support for objectified Element + def __reduce__(self): + return fromstring, (etree.tostring(self),) + + @property + def text(self): + return textOf(self._c_node) + + @property + def __dict__(self): + """A fake implementation for __dict__ to support dir() etc. + + Note that this only considers the first child with a given name. + """ + cdef _Element child + cdef dict children + c_ns = tree._getNs(self._c_node) + tag = "{%s}*" % pyunicode(c_ns) if c_ns is not NULL else None + children = {} + for child in etree.ElementChildIterator(self, tag=tag): + if c_ns is NULL and tree._getNs(child._c_node) is not NULL: + continue + name = pyunicode(child._c_node.name) + if name not in children: + children[name] = child + return children + + def __len__(self): + """Count self and siblings with the same tag. + """ + return _countSiblings(self._c_node) + + def countchildren(self): + """countchildren(self) + + Return the number of children of this element, regardless of their + name. + """ + # copied from etree + cdef Py_ssize_t c + cdef tree.xmlNode* c_node + c = 0 + c_node = self._c_node.children + while c_node is not NULL: + if tree._isElement(c_node): + c += 1 + c_node = c_node.next + return c + + def getchildren(self): + """getchildren(self) + + Returns a sequence of all direct children. The elements are + returned in document order. + """ + cdef tree.xmlNode* c_node + result = [] + c_node = self._c_node.children + while c_node is not NULL: + if tree._isElement(c_node): + result.append(cetree.elementFactory(self._doc, c_node)) + c_node = c_node.next + return result + + def __getattr__(self, tag): + """Return the (first) child with the given tag name. If no namespace + is provided, the child will be looked up in the same one as self. + """ + return _lookupChildOrRaise(self, tag) + + def __setattr__(self, tag, value): + """Set the value of the (first) child with the given tag name. If no + namespace is provided, the child will be looked up in the same one as + self. + """ + cdef _Element element + # properties are looked up /after/ __setattr__, so we must emulate them + if tag == 'text' or tag == 'pyval': + # read-only ! + raise TypeError, f"attribute '{tag}' of '{_typename(self)}' objects is not writable" + elif tag == 'tail': + cetree.setTailText(self._c_node, value) + return + elif tag == 'tag': + ElementBase.tag.__set__(self, value) + return + elif tag == 'base': + ElementBase.base.__set__(self, value) + return + tag = _buildChildTag(self, tag) + element = _lookupChild(self, tag) + if element is None: + _appendValue(self, tag, value) + else: + _replaceElement(element, value) + + def __delattr__(self, tag): + child = _lookupChildOrRaise(self, tag) + self.remove(child) + + def addattr(self, tag, value): + """addattr(self, tag, value) + + Add a child value to the element. + + As opposed to append(), it sets a data value, not an element. + """ + _appendValue(self, _buildChildTag(self, tag), value) + + def __getitem__(self, key): + """Return a sibling, counting from the first child of the parent. The + method behaves like both a dict and a sequence. + + * If argument is an integer, returns the sibling at that position. + + * If argument is a string, does the same as getattr(). This can be + used to provide namespaces for element lookup, or to look up + children with special names (``text`` etc.). + + * If argument is a slice object, returns the matching slice. + """ + cdef tree.xmlNode* c_self_node + cdef tree.xmlNode* c_parent + cdef tree.xmlNode* c_node + cdef Py_ssize_t c_index + if python._isString(key): + return _lookupChildOrRaise(self, key) + elif isinstance(key, slice): + return list(self)[key] + # normal item access + c_index = key # raises TypeError if necessary + c_self_node = self._c_node + c_parent = c_self_node.parent + if c_parent is NULL: + if c_index == 0 or c_index == -1: + return self + raise IndexError, unicode(key) + if c_index < 0: + c_node = c_parent.last + else: + c_node = c_parent.children + c_node = _findFollowingSibling( + c_node, tree._getNs(c_self_node), c_self_node.name, c_index) + if c_node is NULL: + raise IndexError, unicode(key) + return elementFactory(self._doc, c_node) + + def __setitem__(self, key, value): + """Set the value of a sibling, counting from the first child of the + parent. Implements key assignment, item assignment and slice + assignment. + + * If argument is an integer, sets the sibling at that position. + + * If argument is a string, does the same as setattr(). This is used + to provide namespaces for element lookup. + + * If argument is a sequence (list, tuple, etc.), assign the contained + items to the siblings. + """ + cdef _Element element + cdef tree.xmlNode* c_node + if python._isString(key): + key = _buildChildTag(self, key) + element = _lookupChild(self, key) + if element is None: + _appendValue(self, key, value) + else: + _replaceElement(element, value) + return + + if self._c_node.parent is NULL: + # the 'root[i] = ...' case + raise TypeError, "assignment to root element is invalid" + + if isinstance(key, slice): + # slice assignment + _setSlice(key, self, value) + else: + # normal index assignment + if key < 0: + c_node = self._c_node.parent.last + else: + c_node = self._c_node.parent.children + c_node = _findFollowingSibling( + c_node, tree._getNs(self._c_node), self._c_node.name, key) + if c_node is NULL: + raise IndexError, unicode(key) + element = elementFactory(self._doc, c_node) + _replaceElement(element, value) + + def __delitem__(self, key): + parent = self.getparent() + if parent is None: + raise TypeError, "deleting items not supported by root element" + if isinstance(key, slice): + # slice deletion + del_items = list(self)[key] + remove = parent.remove + for el in del_items: + remove(el) + else: + # normal index deletion + sibling = self.__getitem__(key) + parent.remove(sibling) + + def descendantpaths(self, prefix=None): + """descendantpaths(self, prefix=None) + + Returns a list of object path expressions for all descendants. + """ + if prefix is not None and not python._isString(prefix): + prefix = '.'.join(prefix) + return _build_descendant_paths(self._c_node, prefix) + + +cdef inline bint _tagMatches(tree.xmlNode* c_node, const_xmlChar* c_href, const_xmlChar* c_name) noexcept: + if c_node.name != c_name: + return 0 + if c_href == NULL: + return 1 + c_node_href = tree._getNs(c_node) + if c_node_href == NULL: + return c_href[0] == c'\0' + return tree.xmlStrcmp(c_node_href, c_href) == 0 + + +cdef Py_ssize_t _countSiblings(tree.xmlNode* c_start_node) noexcept: + cdef tree.xmlNode* c_node + cdef Py_ssize_t count + c_tag = c_start_node.name + c_href = tree._getNs(c_start_node) + count = 1 + c_node = c_start_node.next + while c_node is not NULL: + if c_node.type == tree.XML_ELEMENT_NODE and \ + _tagMatches(c_node, c_href, c_tag): + count += 1 + c_node = c_node.next + c_node = c_start_node.prev + while c_node is not NULL: + if c_node.type == tree.XML_ELEMENT_NODE and \ + _tagMatches(c_node, c_href, c_tag): + count += 1 + c_node = c_node.prev + return count + +cdef tree.xmlNode* _findFollowingSibling(tree.xmlNode* c_node, + const_xmlChar* href, const_xmlChar* name, + Py_ssize_t index) noexcept: + if index >= 0: + next = cetree.nextElement + else: + index = -1 - index + next = cetree.previousElement + while c_node is not NULL: + if c_node.type == tree.XML_ELEMENT_NODE and \ + _tagMatches(c_node, href, name): + index = index - 1 + if index < 0: + return c_node + c_node = next(c_node) + return NULL + +cdef object _lookupChild(_Element parent, tag): + cdef tree.xmlNode* c_result + cdef tree.xmlNode* c_node + c_node = parent._c_node + ns, tag = cetree.getNsTagWithEmptyNs(tag) + c_tag_len = len( tag) + if c_tag_len > limits.INT_MAX: + return None + c_tag = tree.xmlDictExists( + c_node.doc.dict, _xcstr(tag), c_tag_len) + if c_tag is NULL: + return None # not in the hash map => not in the tree + if ns is None: + # either inherit ns from parent or use empty (i.e. no) namespace + c_href = tree._getNs(c_node) or '' + else: + c_href = _xcstr(ns) + c_result = _findFollowingSibling(c_node.children, c_href, c_tag, 0) + if c_result is NULL: + return None + return elementFactory(parent._doc, c_result) + +cdef object _lookupChildOrRaise(_Element parent, tag): + element = _lookupChild(parent, tag) + if element is None: + raise AttributeError, "no such child: " + _buildChildTag(parent, tag) + return element + +cdef object _buildChildTag(_Element parent, tag): + ns, tag = cetree.getNsTag(tag) + c_tag = _xcstr(tag) + c_href = tree._getNs(parent._c_node) if ns is None else _xcstr(ns) + return cetree.namespacedNameFromNsName(c_href, c_tag) + +cdef _replaceElement(_Element element, value): + cdef _Element new_element + if isinstance(value, _Element): + # deep copy the new element + new_element = cetree.deepcopyNodeToDocument( + element._doc, (<_Element>value)._c_node) + new_element.tag = element.tag + elif isinstance(value, (list, tuple)): + element[:] = value + return + else: + new_element = element.makeelement(element.tag) + _setElementValue(new_element, value) + element.getparent().replace(element, new_element) + +cdef _appendValue(_Element parent, tag, value): + cdef _Element new_element + if isinstance(value, _Element): + # deep copy the new element + new_element = cetree.deepcopyNodeToDocument( + parent._doc, (<_Element>value)._c_node) + new_element.tag = tag + cetree.appendChildToElement(parent, new_element) + elif isinstance(value, (list, tuple)): + for item in value: + _appendValue(parent, tag, item) + else: + new_element = cetree.makeElement( + tag, parent._doc, None, None, None, None, None) + _setElementValue(new_element, value) + cetree.appendChildToElement(parent, new_element) + +cdef _setElementValue(_Element element, value): + if value is None: + cetree.setAttributeValue( + element, XML_SCHEMA_INSTANCE_NIL_ATTR, "true") + elif isinstance(value, _Element): + _replaceElement(element, value) + return + else: + cetree.delAttributeFromNsName( + element._c_node, _XML_SCHEMA_INSTANCE_NS, "nil") + if python._isString(value): + pytype_name = "str" + py_type = _PYTYPE_DICT.get(pytype_name) + else: + pytype_name = _typename(value) + py_type = _PYTYPE_DICT.get(pytype_name) + if py_type is not None: + value = py_type.stringify(value) + else: + value = unicode(value) + if py_type is not None: + cetree.setAttributeValue(element, PYTYPE_ATTRIBUTE, pytype_name) + else: + cetree.delAttributeFromNsName( + element._c_node, _PYTYPE_NAMESPACE, _PYTYPE_ATTRIBUTE_NAME) + cetree.setNodeText(element._c_node, value) + +cdef _setSlice(sliceobject, _Element target, items): + cdef _Element parent + cdef tree.xmlNode* c_node + cdef Py_ssize_t c_step, c_start, pos + # collect existing slice + if (sliceobject).step is None: + c_step = 1 + else: + c_step = (sliceobject).step + if c_step == 0: + raise ValueError, "Invalid slice" + cdef list del_items = target[sliceobject] + + # collect new values + new_items = [] + tag = target.tag + for item in items: + if isinstance(item, _Element): + # deep copy the new element + new_element = cetree.deepcopyNodeToDocument( + target._doc, (<_Element>item)._c_node) + new_element.tag = tag + else: + new_element = cetree.makeElement( + tag, target._doc, None, None, None, None, None) + _setElementValue(new_element, item) + new_items.append(new_element) + + # sanity check - raise what a list would raise + if c_step != 1 and len(del_items) != len(new_items): + raise ValueError, \ + f"attempt to assign sequence of size {len(new_items)} to extended slice of size {len(del_items)}" + + # replace existing items + pos = 0 + parent = target.getparent() + replace = parent.replace + while pos < len(new_items) and pos < len(del_items): + replace(del_items[pos], new_items[pos]) + pos += 1 + # remove leftover items + if pos < len(del_items): + remove = parent.remove + while pos < len(del_items): + remove(del_items[pos]) + pos += 1 + # append remaining new items + if pos < len(new_items): + # the sanity check above guarantees (step == 1) + if pos > 0: + item = new_items[pos-1] + else: + if (sliceobject).start > 0: + c_node = parent._c_node.children + else: + c_node = parent._c_node.last + c_node = _findFollowingSibling( + c_node, tree._getNs(target._c_node), target._c_node.name, + (sliceobject).start - 1) + if c_node is NULL: + while pos < len(new_items): + cetree.appendChildToElement(parent, new_items[pos]) + pos += 1 + return + item = cetree.elementFactory(parent._doc, c_node) + while pos < len(new_items): + add = item.addnext + item = new_items[pos] + add(item) + pos += 1 + +################################################################################ +# Data type support in subclasses + +cdef class ObjectifiedDataElement(ObjectifiedElement): + """This is the base class for all data type Elements. Subclasses should + override the 'pyval' property and possibly the __str__ method. + """ + @property + def pyval(self): + return textOf(self._c_node) + + def __str__(self): + return textOf(self._c_node) or '' + + def __repr__(self): + return textOf(self._c_node) or '' + + def _setText(self, s): + """For use in subclasses only. Don't use unless you know what you are + doing. + """ + cetree.setNodeText(self._c_node, s) + + +cdef class NumberElement(ObjectifiedDataElement): + cdef object _parse_value + + def _setValueParser(self, function): + """Set the function that parses the Python value from a string. + + Do not use this unless you know what you are doing. + """ + self._parse_value = function + + @property + def pyval(self): + return _parseNumber(self) + + def __int__(self): + return int(_parseNumber(self)) + + def __float__(self): + return float(_parseNumber(self)) + + def __complex__(self): + return complex(_parseNumber(self)) + + def __str__(self): + return unicode(_parseNumber(self)) + + def __repr__(self): + return repr(_parseNumber(self)) + + def __oct__(self): + return oct(_parseNumber(self)) + + def __hex__(self): + return hex(_parseNumber(self)) + + def __richcmp__(self, other, int op): + return _richcmpPyvals(self, other, op) + + def __hash__(self): + return hash(_parseNumber(self)) + + def __add__(self, other): + return _numericValueOf(self) + _numericValueOf(other) + + def __radd__(self, other): + return _numericValueOf(other) + _numericValueOf(self) + + def __sub__(self, other): + return _numericValueOf(self) - _numericValueOf(other) + + def __rsub__(self, other): + return _numericValueOf(other) - _numericValueOf(self) + + def __mul__(self, other): + return _numericValueOf(self) * _numericValueOf(other) + + def __rmul__(self, other): + return _numericValueOf(other) * _numericValueOf(self) + + def __div__(self, other): + return _numericValueOf(self) / _numericValueOf(other) + + def __rdiv__(self, other): + return _numericValueOf(other) / _numericValueOf(self) + + def __truediv__(self, other): + return _numericValueOf(self) / _numericValueOf(other) + + def __rtruediv__(self, other): + return _numericValueOf(other) / _numericValueOf(self) + + def __floordiv__(self, other): + return _numericValueOf(self) // _numericValueOf(other) + + def __rfloordiv__(self, other): + return _numericValueOf(other) // _numericValueOf(self) + + def __mod__(self, other): + return _numericValueOf(self) % _numericValueOf(other) + + def __rmod__(self, other): + return _numericValueOf(other) % _numericValueOf(self) + + def __divmod__(self, other): + return divmod(_numericValueOf(self), _numericValueOf(other)) + + def __rdivmod__(self, other): + return divmod(_numericValueOf(other), _numericValueOf(self)) + + def __pow__(self, other, modulo): + if modulo is None: + return _numericValueOf(self) ** _numericValueOf(other) + else: + return pow(_numericValueOf(self), _numericValueOf(other), modulo) + + def __rpow__(self, other, modulo): + if modulo is None: + return _numericValueOf(other) ** _numericValueOf(self) + else: + return pow(_numericValueOf(other), _numericValueOf(self), modulo) + + def __neg__(self): + return - _numericValueOf(self) + + def __pos__(self): + return + _numericValueOf(self) + + def __abs__(self): + return abs( _numericValueOf(self) ) + + def __bool__(self): + return bool(_numericValueOf(self)) + + def __invert__(self): + return ~ _numericValueOf(self) + + def __lshift__(self, other): + return _numericValueOf(self) << _numericValueOf(other) + + def __rlshift__(self, other): + return _numericValueOf(other) << _numericValueOf(self) + + def __rshift__(self, other): + return _numericValueOf(self) >> _numericValueOf(other) + + def __rrshift__(self, other): + return _numericValueOf(other) >> _numericValueOf(self) + + def __and__(self, other): + return _numericValueOf(self) & _numericValueOf(other) + + def __rand__(self, other): + return _numericValueOf(other) & _numericValueOf(self) + + def __or__(self, other): + return _numericValueOf(self) | _numericValueOf(other) + + def __ror__(self, other): + return _numericValueOf(other) | _numericValueOf(self) + + def __xor__(self, other): + return _numericValueOf(self) ^ _numericValueOf(other) + + def __rxor__(self, other): + return _numericValueOf(other) ^ _numericValueOf(self) + + +cdef class IntElement(NumberElement): + def _init(self): + self._parse_value = int + + def __index__(self): + return int(_parseNumber(self)) + + +cdef class FloatElement(NumberElement): + def _init(self): + self._parse_value = float + + +cdef class StringElement(ObjectifiedDataElement): + """String data class. + + Note that this class does *not* support the sequence protocol of strings: + len(), iter(), str_attr[0], str_attr[0:1], etc. are *not* supported. + Instead, use the .text attribute to get a 'real' string. + """ + @property + def pyval(self): + return textOf(self._c_node) or '' + + def __repr__(self): + return repr(textOf(self._c_node) or '') + + def strlen(self): + text = textOf(self._c_node) + if text is None: + return 0 + else: + return len(text) + + def __bool__(self): + return bool(textOf(self._c_node)) + + def __richcmp__(self, other, int op): + return _richcmpPyvals(self, other, op) + + def __hash__(self): + return hash(textOf(self._c_node) or '') + + def __add__(self, other): + text = _strValueOf(self) + other = _strValueOf(other) + return text + other + + def __radd__(self, other): + text = _strValueOf(self) + other = _strValueOf(other) + return other + text + + def __mul__(self, other): + if isinstance(self, StringElement): + return (textOf((self)._c_node) or '') * _numericValueOf(other) + elif isinstance(other, StringElement): + return _numericValueOf(self) * (textOf((other)._c_node) or '') + else: + return NotImplemented + + def __rmul__(self, other): + return _numericValueOf(other) * (textOf((self)._c_node) or '') + + def __mod__(self, other): + return (_strValueOf(self) or '') % other + + def __int__(self): + return int(textOf(self._c_node)) + + def __float__(self): + return float(textOf(self._c_node)) + + def __complex__(self): + return complex(textOf(self._c_node)) + + +cdef class NoneElement(ObjectifiedDataElement): + def __str__(self): + return "None" + + def __repr__(self): + return "None" + + def __bool__(self): + return False + + def __richcmp__(self, other, int op): + if other is None or self is None: + return python.PyObject_RichCompare(None, None, op) + if isinstance(self, NoneElement): + return python.PyObject_RichCompare(None, other, op) + else: + return python.PyObject_RichCompare(self, None, op) + + def __hash__(self): + return hash(None) + + @property + def pyval(self): + return None + + +cdef class BoolElement(IntElement): + """Boolean type base on string values: 'true' or 'false'. + + Note that this inherits from IntElement to mimic the behaviour of + Python's bool type. + """ + def _init(self): + self._parse_value = _parseBool # wraps as Python callable + + def __bool__(self): + return _parseBool(textOf(self._c_node)) + + def __int__(self): + return 0 + _parseBool(textOf(self._c_node)) + + def __float__(self): + return 0.0 + _parseBool(textOf(self._c_node)) + + def __richcmp__(self, other, int op): + return _richcmpPyvals(self, other, op) + + def __hash__(self): + return hash(_parseBool(textOf(self._c_node))) + + def __str__(self): + return unicode(_parseBool(textOf(self._c_node))) + + def __repr__(self): + return repr(_parseBool(textOf(self._c_node))) + + @property + def pyval(self): + return _parseBool(textOf(self._c_node)) + + +cdef _checkBool(s): + cdef int value = -1 + if s is not None: + value = __parseBoolAsInt(s) + if value == -1: + raise ValueError + + +cdef bint _parseBool(s) except -1: + cdef int value + if s is None: + return False + value = __parseBoolAsInt(s) + if value == -1: + raise ValueError, f"Invalid boolean value: '{s}'" + return value + + +cdef inline int __parseBoolAsInt(text) except -2: + if text == 'false': + return 0 + elif text == 'true': + return 1 + elif text == '0': + return 0 + elif text == '1': + return 1 + return -1 + + +cdef object _parseNumber(NumberElement element): + return element._parse_value(textOf(element._c_node)) + + +cdef enum NumberParserState: + NPS_SPACE_PRE = 0 + NPS_SIGN = 1 + NPS_DIGITS = 2 + NPS_POINT_LEAD = 3 + NPS_POINT = 4 + NPS_FRACTION = 5 + NPS_EXP = 6 + NPS_EXP_SIGN = 7 + NPS_DIGITS_EXP = 8 + NPS_SPACE_TAIL = 9 + NPS_INF1 = 20 + NPS_INF2 = 21 + NPS_INF3 = 22 + NPS_NAN1 = 23 + NPS_NAN2 = 24 + NPS_NAN3 = 25 + NPS_ERROR = 99 + + +ctypedef fused bytes_unicode: + bytes + unicode + + +cdef _checkNumber(bytes_unicode s, bint allow_float): + cdef Py_UCS4 c + cdef NumberParserState state = NPS_SPACE_PRE + + for c in s: + if c in '0123456789': + if state in (NPS_DIGITS, NPS_FRACTION, NPS_DIGITS_EXP): + pass + elif state in (NPS_SPACE_PRE, NPS_SIGN): + state = NPS_DIGITS + elif state in (NPS_POINT_LEAD, NPS_POINT): + state = NPS_FRACTION + elif state in (NPS_EXP, NPS_EXP_SIGN): + state = NPS_DIGITS_EXP + else: + state = NPS_ERROR + else: + if c == '.': + if state in (NPS_SPACE_PRE, NPS_SIGN): + state = NPS_POINT_LEAD + elif state == NPS_DIGITS: + state = NPS_POINT + else: + state = NPS_ERROR + if not allow_float: + state = NPS_ERROR + elif c in '-+': + if state == NPS_SPACE_PRE: + state = NPS_SIGN + elif state == NPS_EXP: + state = NPS_EXP_SIGN + else: + state = NPS_ERROR + elif c == 'E': + if state in (NPS_DIGITS, NPS_POINT, NPS_FRACTION): + state = NPS_EXP + else: + state = NPS_ERROR + if not allow_float: + state = NPS_ERROR + # Allow INF and NaN. XMLSchema requires case, we don't, like Python. + elif c in 'iI': + state = NPS_INF1 if allow_float and state in (NPS_SPACE_PRE, NPS_SIGN) else NPS_ERROR + elif c in 'fF': + state = NPS_INF3 if state == NPS_INF2 else NPS_ERROR + elif c in 'aA': + state = NPS_NAN2 if state == NPS_NAN1 else NPS_ERROR + elif c in 'nN': + # Python also allows [+-]NaN, so let's accept that. + if state in (NPS_SPACE_PRE, NPS_SIGN): + state = NPS_NAN1 if allow_float else NPS_ERROR + elif state == NPS_NAN2: + state = NPS_NAN3 + elif state == NPS_INF1: + state = NPS_INF2 + else: + state = NPS_ERROR + # Allow spaces around text values. + else: + if c.isspace() if (bytes_unicode is unicode) else c in b'\x09\x0a\x0b\x0c\x0d\x20': + if state in (NPS_SPACE_PRE, NPS_SPACE_TAIL): + pass + elif state in (NPS_DIGITS, NPS_POINT, NPS_FRACTION, NPS_DIGITS_EXP, NPS_INF3, NPS_NAN3): + state = NPS_SPACE_TAIL + else: + state = NPS_ERROR + else: + state = NPS_ERROR + + if state == NPS_ERROR: + break + + if state not in (NPS_DIGITS, NPS_FRACTION, NPS_POINT, NPS_DIGITS_EXP, NPS_INF3, NPS_NAN3, NPS_SPACE_TAIL): + raise ValueError + + +cdef _checkInt(s): + return _checkNumber(s, allow_float=False) + + +cdef _checkFloat(s): + return _checkNumber(s, allow_float=True) + + +cdef object _strValueOf(obj): + if python._isString(obj): + return obj + if isinstance(obj, _Element): + return textOf((<_Element>obj)._c_node) or '' + if obj is None: + return '' + return unicode(obj) + + +cdef object _numericValueOf(obj): + if isinstance(obj, NumberElement): + return _parseNumber(obj) + try: + # not always numeric, but Python will raise the right exception + return obj.pyval + except AttributeError: + pass + return obj + + +cdef _richcmpPyvals(left, right, int op): + left = getattr(left, 'pyval', left) + right = getattr(right, 'pyval', right) + return python.PyObject_RichCompare(left, right, op) + + +################################################################################ +# Python type registry + +cdef class PyType: + """PyType(self, name, type_check, type_class, stringify=None) + User defined type. + + Named type that contains a type check function, a type class that + inherits from ObjectifiedDataElement and an optional "stringification" + function. The type check must take a string as argument and raise + ValueError or TypeError if it cannot handle the string value. It may be + None in which case it is not considered for type guessing. For registered + named types, the 'stringify' function (or unicode() if None) is used to + convert a Python object with type name 'name' to the string representation + stored in the XML tree. + + Example:: + + PyType('int', int, MyIntClass).register() + + Note that the order in which types are registered matters. The first + matching type will be used. + """ + cdef readonly object name + cdef readonly object type_check + cdef readonly object stringify + cdef object _type + cdef list _schema_types + def __init__(self, name, type_check, type_class, stringify=None): + if isinstance(name, bytes): + name = (name).decode('ascii') + elif not isinstance(name, unicode): + raise TypeError, "Type name must be a string" + if type_check is not None and not callable(type_check): + raise TypeError, "Type check function must be callable (or None)" + if name != TREE_PYTYPE_NAME and \ + not issubclass(type_class, ObjectifiedDataElement): + raise TypeError, \ + "Data classes must inherit from ObjectifiedDataElement" + self.name = name + self._type = type_class + self.type_check = type_check + if stringify is None: + stringify = unicode + self.stringify = stringify + self._schema_types = [] + + def __repr__(self): + return "PyType(%s, %s)" % (self.name, self._type.__name__) + + def register(self, before=None, after=None): + """register(self, before=None, after=None) + + Register the type. + + The additional keyword arguments 'before' and 'after' accept a + sequence of type names that must appear before/after the new type in + the type list. If any of them is not currently known, it is simply + ignored. Raises ValueError if the dependencies cannot be fulfilled. + """ + if self.name == TREE_PYTYPE_NAME: + raise ValueError, "Cannot register tree type" + if self.type_check is not None: + for item in _TYPE_CHECKS: + if item[0] is self.type_check: + _TYPE_CHECKS.remove(item) + break + entry = (self.type_check, self) + first_pos = 0 + last_pos = -1 + if before or after: + if before is None: + before = () + elif after is None: + after = () + for i, (check, pytype) in enumerate(_TYPE_CHECKS): + if last_pos == -1 and pytype.name in before: + last_pos = i + if pytype.name in after: + first_pos = i+1 + if last_pos == -1: + _TYPE_CHECKS.append(entry) + elif first_pos > last_pos: + raise ValueError, "inconsistent before/after dependencies" + else: + _TYPE_CHECKS.insert(last_pos, entry) + + _PYTYPE_DICT[self.name] = self + for xs_type in self._schema_types: + _SCHEMA_TYPE_DICT[xs_type] = self + + def unregister(self): + "unregister(self)" + if _PYTYPE_DICT.get(self.name) is self: + del _PYTYPE_DICT[self.name] + for xs_type, pytype in list(_SCHEMA_TYPE_DICT.items()): + if pytype is self: + del _SCHEMA_TYPE_DICT[xs_type] + if self.type_check is None: + return + try: + _TYPE_CHECKS.remove( (self.type_check, self) ) + except ValueError: + pass + + property xmlSchemaTypes: + """The list of XML Schema datatypes this Python type maps to. + + Note that this must be set before registering the type! + """ + def __get__(self): + return self._schema_types + def __set__(self, types): + self._schema_types = list(map(unicode, types)) + + +cdef dict _PYTYPE_DICT = {} +cdef dict _SCHEMA_TYPE_DICT = {} +cdef list _TYPE_CHECKS = [] + +cdef unicode _xml_bool(value): + return "true" if value else "false" + +cdef unicode _xml_float(value): + if _float_is_inf(value): + if value > 0: + return "INF" + return "-INF" + if _float_is_nan(value): + return "NaN" + return unicode(repr(value)) + +cdef _pytypename(obj): + return "str" if python._isString(obj) else _typename(obj) + +def pytypename(obj): + """pytypename(obj) + + Find the name of the corresponding PyType for a Python object. + """ + return _pytypename(obj) + +cdef _registerPyTypes(): + pytype = PyType('int', _checkInt, IntElement) # wraps functions for Python + pytype.xmlSchemaTypes = ("integer", "int", "short", "byte", "unsignedShort", + "unsignedByte", "nonPositiveInteger", + "negativeInteger", "long", "nonNegativeInteger", + "unsignedLong", "unsignedInt", "positiveInteger",) + pytype.register() + + # 'long' type just for backwards compatibility + pytype = PyType('long', None, IntElement) + pytype.register() + + pytype = PyType('float', _checkFloat, FloatElement, _xml_float) # wraps functions for Python + pytype.xmlSchemaTypes = ("double", "float") + pytype.register() + + pytype = PyType('bool', _checkBool, BoolElement, _xml_bool) # wraps functions for Python + pytype.xmlSchemaTypes = ("boolean",) + pytype.register() + + pytype = PyType('str', None, StringElement) + pytype.xmlSchemaTypes = ("string", "normalizedString", "token", "language", + "Name", "NCName", "ID", "IDREF", "ENTITY", + "NMTOKEN", ) + pytype.register() + + # since lxml 2.0 + pytype = PyType('NoneType', None, NoneElement) + pytype.register() + + # backwards compatibility + pytype = PyType('none', None, NoneElement) + pytype.register() + +# non-registered PyType for inner tree elements +cdef PyType TREE_PYTYPE = PyType(TREE_PYTYPE_NAME, None, ObjectifiedElement) + +_registerPyTypes() + +def getRegisteredTypes(): + """getRegisteredTypes() + + Returns a list of the currently registered PyType objects. + + To add a new type, retrieve this list and call unregister() for all + entries. Then add the new type at a suitable position (possibly replacing + an existing one) and call register() for all entries. + + This is necessary if the new type interferes with the type check functions + of existing ones (normally only int/float/bool) and must the tried before + other types. To add a type that is not yet parsable by the current type + check functions, you can simply register() it, which will append it to the + end of the type list. + """ + cdef list types = [] + cdef set known = set() + for check, pytype in _TYPE_CHECKS: + name = pytype.name + if name not in known: + known.add(name) + types.append(pytype) + for pytype in _PYTYPE_DICT.values(): + name = pytype.name + if name not in known: + known.add(name) + types.append(pytype) + return types + +cdef PyType _guessPyType(value, PyType defaulttype): + if value is None: + return None + for type_check, tested_pytype in _TYPE_CHECKS: + try: + type_check(value) + return tested_pytype + except IGNORABLE_ERRORS: + # could not be parsed as the specified type => ignore + pass + return defaulttype + +cdef object _guessElementClass(tree.xmlNode* c_node): + value = textOf(c_node) + if value is None: + return None + if value == '': + return StringElement + + for type_check, pytype in _TYPE_CHECKS: + try: + type_check(value) + return (pytype)._type + except IGNORABLE_ERRORS: + pass + return None + +################################################################################ +# adapted ElementMaker supports registered PyTypes + +@cython.final +@cython.internal +cdef class _ObjectifyElementMakerCaller: + cdef object _tag + cdef object _nsmap + cdef object _element_factory + cdef bint _annotate + + def __call__(self, *children, **attrib): + "__call__(self, *children, **attrib)" + cdef _ObjectifyElementMakerCaller elementMaker + cdef _Element element + cdef _Element childElement + cdef bint has_children + cdef bint has_string_value + if self._element_factory is None: + element = _makeElement(self._tag, None, attrib, self._nsmap) + else: + element = self._element_factory(self._tag, attrib, self._nsmap) + + pytype_name = None + has_children = False + has_string_value = False + for child in children: + if child is None: + if len(children) == 1: + cetree.setAttributeValue( + element, XML_SCHEMA_INSTANCE_NIL_ATTR, "true") + elif python._isString(child): + _add_text(element, child) + has_string_value = True + elif isinstance(child, _Element): + cetree.appendChildToElement(element, <_Element>child) + has_children = True + elif isinstance(child, _ObjectifyElementMakerCaller): + elementMaker = <_ObjectifyElementMakerCaller>child + if elementMaker._element_factory is None: + cetree.makeSubElement(element, elementMaker._tag, + None, None, None, None) + else: + childElement = elementMaker._element_factory( + elementMaker._tag) + cetree.appendChildToElement(element, childElement) + has_children = True + elif isinstance(child, dict): + for name, value in child.items(): + # keyword arguments in attrib take precedence + if name in attrib: + continue + pytype = _PYTYPE_DICT.get(_typename(value)) + if pytype is not None: + value = (pytype).stringify(value) + elif not python._isString(value): + value = unicode(value) + cetree.setAttributeValue(element, name, value) + else: + if pytype_name is not None: + # concatenation always makes the result a string + has_string_value = True + pytype_name = _typename(child) + pytype = _PYTYPE_DICT.get(_typename(child)) + if pytype is not None: + _add_text(element, (pytype).stringify(child)) + else: + has_string_value = True + child = unicode(child) + _add_text(element, child) + + if self._annotate and not has_children: + if has_string_value: + cetree.setAttributeValue(element, PYTYPE_ATTRIBUTE, "str") + elif pytype_name is not None: + cetree.setAttributeValue(element, PYTYPE_ATTRIBUTE, pytype_name) + + return element + +cdef _add_text(_Element elem, text): + # add text to the tree in construction, either as element text or + # tail text, depending on the current tree state + cdef tree.xmlNode* c_child + c_child = cetree.findChildBackwards(elem._c_node, 0) + if c_child is not NULL: + old = cetree.tailOf(c_child) + if old is not None: + text = old + text + cetree.setTailText(c_child, text) + else: + old = cetree.textOf(elem._c_node) + if old is not None: + text = old + text + cetree.setNodeText(elem._c_node, text) + +cdef class ElementMaker: + """ElementMaker(self, namespace=None, nsmap=None, annotate=True, makeelement=None) + + An ElementMaker that can be used for constructing trees. + + Example:: + + >>> M = ElementMaker(annotate=False) + >>> attributes = {'class': 'par'} + >>> html = M.html( M.body( M.p('hello', attributes, M.br, 'objectify', style="font-weight: bold") ) ) + + >>> from lxml.etree import tostring + >>> print(tostring(html, method='html').decode('ascii')) +

hello
objectify

+ + To create tags that are not valid Python identifiers, call the factory + directly and pass the tag name as first argument:: + + >>> root = M('tricky-tag', 'some text') + >>> print(root.tag) + tricky-tag + >>> print(root.text) + some text + + Note that this module has a predefined ElementMaker instance called ``E``. + """ + cdef object _makeelement + cdef object _namespace + cdef object _nsmap + cdef bint _annotate + cdef dict _cache + def __init__(self, *, namespace=None, nsmap=None, annotate=True, + makeelement=None): + if nsmap is None: + nsmap = _DEFAULT_NSMAP if annotate else {} + self._nsmap = nsmap + self._namespace = None if namespace is None else "{%s}" % namespace + self._annotate = annotate + if makeelement is not None: + if not callable(makeelement): + raise TypeError( + f"argument of 'makeelement' parameter must be callable, got {type(makeelement)}") + self._makeelement = makeelement + else: + self._makeelement = None + self._cache = {} + + @cython.final + cdef _build_element_maker(self, tag, bint caching): + cdef _ObjectifyElementMakerCaller element_maker + element_maker = _ObjectifyElementMakerCaller.__new__(_ObjectifyElementMakerCaller) + if self._namespace is not None and tag[0] != "{": + element_maker._tag = self._namespace + tag + else: + element_maker._tag = tag + element_maker._nsmap = self._nsmap + element_maker._annotate = self._annotate + element_maker._element_factory = self._makeelement + if caching: + if len(self._cache) > 200: + self._cache.clear() + self._cache[tag] = element_maker + return element_maker + + def __getattr__(self, tag): + element_maker = self._cache.get(tag) + if element_maker is None: + return self._build_element_maker(tag, caching=True) + return element_maker + + def __call__(self, tag, *args, **kwargs): + element_maker = self._cache.get(tag) + if element_maker is None: + element_maker = self._build_element_maker( + tag, caching=not is_special_method(tag)) + return element_maker(*args, **kwargs) + +################################################################################ +# Recursive element dumping + +cdef bint __RECURSIVE_STR = 0 # default: off + +def enable_recursive_str(on=True): + """enable_recursive_str(on=True) + + Enable a recursively generated tree representation for str(element), + based on objectify.dump(element). + """ + global __RECURSIVE_STR + __RECURSIVE_STR = on + +def dump(_Element element not None): + """dump(_Element element not None) + + Return a recursively generated string representation of an element. + """ + return _dump(element, 0) + +cdef object _dump(_Element element, int indent): + indentstr = " " * indent + if isinstance(element, ObjectifiedDataElement): + value = repr(element) + else: + value = textOf(element._c_node) + if value is not None: + if not value.strip(): + value = None + else: + value = repr(value) + result = f"{indentstr}{element.tag} = {value} [{_typename(element)}]\n" + xsi_ns = "{%s}" % XML_SCHEMA_INSTANCE_NS + pytype_ns = "{%s}" % PYTYPE_NAMESPACE + for name, value in sorted(cetree.iterattributes(element, 3)): + if '{' in name: + if name == PYTYPE_ATTRIBUTE: + if value == TREE_PYTYPE_NAME: + continue + else: + name = name.replace(pytype_ns, 'py:') + name = name.replace(xsi_ns, 'xsi:') + result += f"{indentstr} * {name} = {value!r}\n" + + indent += 1 + for child in element.iterchildren(): + result += _dump(child, indent) + if indent == 1: + return result[:-1] # strip last '\n' + else: + return result + + +################################################################################ +# Pickle support for objectified ElementTree + +def __unpickleElementTree(data): + return etree.ElementTree(fromstring(data)) + +cdef _setupPickle(elementTreeReduceFunction): + import copyreg + copyreg.pickle(etree._ElementTree, + elementTreeReduceFunction, __unpickleElementTree) + +def pickleReduceElementTree(obj): + return __unpickleElementTree, (etree.tostring(obj),) + +_setupPickle(pickleReduceElementTree) +del pickleReduceElementTree + +################################################################################ +# Element class lookup + +cdef class ObjectifyElementClassLookup(ElementClassLookup): + """ObjectifyElementClassLookup(self, tree_class=None, empty_data_class=None) + Element class lookup method that uses the objectify classes. + """ + cdef object empty_data_class + cdef object tree_class + def __init__(self, tree_class=None, empty_data_class=None): + """Lookup mechanism for objectify. + + The default Element classes can be replaced by passing subclasses of + ObjectifiedElement and ObjectifiedDataElement as keyword arguments. + 'tree_class' defines inner tree classes (defaults to + ObjectifiedElement), 'empty_data_class' defines the default class for + empty data elements (defaults to StringElement). + """ + self._lookup_function = _lookupElementClass + if tree_class is None: + tree_class = ObjectifiedElement + self.tree_class = tree_class + if empty_data_class is None: + empty_data_class = StringElement + self.empty_data_class = empty_data_class + +cdef object _lookupElementClass(state, _Document doc, tree.xmlNode* c_node): + cdef ObjectifyElementClassLookup lookup + lookup = state + # if element has children => no data class + if cetree.hasChild(c_node): + return lookup.tree_class + + # if element is defined as xsi:nil, return NoneElement class + if "true" == cetree.attributeValueFromNsName( + c_node, _XML_SCHEMA_INSTANCE_NS, "nil"): + return NoneElement + + # check for Python type hint + value = cetree.attributeValueFromNsName( + c_node, _PYTYPE_NAMESPACE, _PYTYPE_ATTRIBUTE_NAME) + if value is not None: + if value == TREE_PYTYPE_NAME: + return lookup.tree_class + py_type = _PYTYPE_DICT.get(value) + if py_type is not None: + return py_type._type + # unknown 'pyval' => try to figure it out ourself, just go on + + # check for XML Schema type hint + value = cetree.attributeValueFromNsName( + c_node, _XML_SCHEMA_INSTANCE_NS, "type") + + if value is not None: + schema_type = _SCHEMA_TYPE_DICT.get(value) + if schema_type is None and ':' in value: + prefix, value = value.split(':', 1) + schema_type = _SCHEMA_TYPE_DICT.get(value) + if schema_type is not None: + return schema_type._type + + # otherwise determine class based on text content type + el_class = _guessElementClass(c_node) + if el_class is not None: + return el_class + + # if element is a root node => default to tree node + if c_node.parent is NULL or not tree._isElement(c_node.parent): + return lookup.tree_class + + return lookup.empty_data_class + + +################################################################################ +# Type annotations + +cdef PyType _check_type(tree.xmlNode* c_node, PyType pytype): + if pytype is None: + return None + value = textOf(c_node) + try: + pytype.type_check(value) + return pytype + except IGNORABLE_ERRORS: + # could not be parsed as the specified type => ignore + pass + return None + +def pyannotate(element_or_tree, *, ignore_old=False, ignore_xsi=False, + empty_pytype=None): + """pyannotate(element_or_tree, ignore_old=False, ignore_xsi=False, empty_pytype=None) + + Recursively annotates the elements of an XML tree with 'pytype' + attributes. + + If the 'ignore_old' keyword argument is True (the default), current 'pytype' + attributes will be ignored and replaced. Otherwise, they will be checked + and only replaced if they no longer fit the current text value. + + Setting the keyword argument ``ignore_xsi`` to True makes the function + additionally ignore existing ``xsi:type`` annotations. The default is to + use them as a type hint. + + The default annotation of empty elements can be set with the + ``empty_pytype`` keyword argument. The default is not to annotate empty + elements. Pass 'str', for example, to make string values the default. + """ + cdef _Element element + element = cetree.rootNodeOrRaise(element_or_tree) + _annotate(element, 0, 1, ignore_xsi, ignore_old, None, empty_pytype) + +def xsiannotate(element_or_tree, *, ignore_old=False, ignore_pytype=False, + empty_type=None): + """xsiannotate(element_or_tree, ignore_old=False, ignore_pytype=False, empty_type=None) + + Recursively annotates the elements of an XML tree with 'xsi:type' + attributes. + + If the 'ignore_old' keyword argument is True (the default), current + 'xsi:type' attributes will be ignored and replaced. Otherwise, they will be + checked and only replaced if they no longer fit the current text value. + + Note that the mapping from Python types to XSI types is usually ambiguous. + Currently, only the first XSI type name in the corresponding PyType + definition will be used for annotation. Thus, you should consider naming + the widest type first if you define additional types. + + Setting the keyword argument ``ignore_pytype`` to True makes the function + additionally ignore existing ``pytype`` annotations. The default is to + use them as a type hint. + + The default annotation of empty elements can be set with the + ``empty_type`` keyword argument. The default is not to annotate empty + elements. Pass 'string', for example, to make string values the default. + """ + cdef _Element element + element = cetree.rootNodeOrRaise(element_or_tree) + _annotate(element, 1, 0, ignore_old, ignore_pytype, empty_type, None) + +def annotate(element_or_tree, *, ignore_old=True, ignore_xsi=False, + empty_pytype=None, empty_type=None, annotate_xsi=0, + annotate_pytype=1): + """annotate(element_or_tree, ignore_old=True, ignore_xsi=False, empty_pytype=None, empty_type=None, annotate_xsi=0, annotate_pytype=1) + + Recursively annotates the elements of an XML tree with 'xsi:type' + and/or 'py:pytype' attributes. + + If the 'ignore_old' keyword argument is True (the default), current + 'py:pytype' attributes will be ignored for the type annotation. Set to False + if you want reuse existing 'py:pytype' information (iff appropriate for the + element text value). + + If the 'ignore_xsi' keyword argument is False (the default), existing + 'xsi:type' attributes will be used for the type annotation, if they fit the + element text values. + + Note that the mapping from Python types to XSI types is usually ambiguous. + Currently, only the first XSI type name in the corresponding PyType + definition will be used for annotation. Thus, you should consider naming + the widest type first if you define additional types. + + The default 'py:pytype' annotation of empty elements can be set with the + ``empty_pytype`` keyword argument. Pass 'str', for example, to make + string values the default. + + The default 'xsi:type' annotation of empty elements can be set with the + ``empty_type`` keyword argument. The default is not to annotate empty + elements. Pass 'string', for example, to make string values the default. + + The keyword arguments 'annotate_xsi' (default: 0) and 'annotate_pytype' + (default: 1) control which kind(s) of annotation to use. + """ + cdef _Element element + element = cetree.rootNodeOrRaise(element_or_tree) + _annotate(element, annotate_xsi, annotate_pytype, ignore_xsi, + ignore_old, empty_type, empty_pytype) + + +cdef _annotate(_Element element, bint annotate_xsi, bint annotate_pytype, + bint ignore_xsi, bint ignore_pytype, + empty_type_name, empty_pytype_name): + cdef _Document doc + cdef tree.xmlNode* c_node + cdef PyType empty_pytype, StrType, NoneType + + if not annotate_xsi and not annotate_pytype: + return + + if empty_type_name is not None: + if isinstance(empty_type_name, bytes): + empty_type_name = (empty_type_name).decode("ascii") + empty_pytype = _SCHEMA_TYPE_DICT.get(empty_type_name) + elif empty_pytype_name is not None: + if isinstance(empty_pytype_name, bytes): + empty_pytype_name = (empty_pytype_name).decode("ascii") + empty_pytype = _PYTYPE_DICT.get(empty_pytype_name) + else: + empty_pytype = None + + StrType = _PYTYPE_DICT.get('str') + NoneType = _PYTYPE_DICT.get('NoneType') + + doc = element._doc + c_node = element._c_node + tree.BEGIN_FOR_EACH_ELEMENT_FROM(c_node, c_node, 1) + if c_node.type == tree.XML_ELEMENT_NODE: + _annotate_element(c_node, doc, annotate_xsi, annotate_pytype, + ignore_xsi, ignore_pytype, + empty_type_name, empty_pytype, StrType, NoneType) + tree.END_FOR_EACH_ELEMENT_FROM(c_node) + +cdef int _annotate_element(tree.xmlNode* c_node, _Document doc, + bint annotate_xsi, bint annotate_pytype, + bint ignore_xsi, bint ignore_pytype, + empty_type_name, PyType empty_pytype, + PyType StrType, PyType NoneType) except -1: + cdef tree.xmlNs* c_ns + cdef PyType pytype = None + typename = None + istree = 0 + + # if element is defined as xsi:nil, represent it as None + if cetree.attributeValueFromNsName( + c_node, _XML_SCHEMA_INSTANCE_NS, "nil") == "true": + pytype = NoneType + + if pytype is None and not ignore_xsi: + # check that old xsi type value is valid + typename = cetree.attributeValueFromNsName( + c_node, _XML_SCHEMA_INSTANCE_NS, "type") + if typename is not None: + pytype = _SCHEMA_TYPE_DICT.get(typename) + if pytype is None and ':' in typename: + prefix, typename = typename.split(':', 1) + pytype = _SCHEMA_TYPE_DICT.get(typename) + if pytype is not None and pytype is not StrType: + # StrType does not have a typecheck but is the default + # anyway, so just accept it if given as type + # information + pytype = _check_type(c_node, pytype) + if pytype is None: + typename = None + + if pytype is None and not ignore_pytype: + # check that old pytype value is valid + old_pytypename = cetree.attributeValueFromNsName( + c_node, _PYTYPE_NAMESPACE, _PYTYPE_ATTRIBUTE_NAME) + if old_pytypename is not None: + if old_pytypename == TREE_PYTYPE_NAME: + if not cetree.hasChild(c_node): + # only case where we should keep it, + # everything else is clear enough + pytype = TREE_PYTYPE + else: + if old_pytypename == 'none': + # transition from lxml 1.x + old_pytypename = "NoneType" + pytype = _PYTYPE_DICT.get(old_pytypename) + if pytype is not None and pytype is not StrType: + # StrType does not have a typecheck but is the + # default anyway, so just accept it if given as + # type information + pytype = _check_type(c_node, pytype) + + if pytype is None: + # try to guess type + if not cetree.hasChild(c_node): + # element has no children => data class + pytype = _guessPyType(textOf(c_node), StrType) + else: + istree = 1 + + if pytype is None: + # use default type for empty elements + if cetree.hasText(c_node): + pytype = StrType + else: + pytype = empty_pytype + if typename is None: + typename = empty_type_name + + if pytype is not None: + if typename is None: + if not istree: + if pytype._schema_types: + # pytype->xsi:type is a 1:n mapping + # simply take the first + typename = pytype._schema_types[0] + elif typename not in pytype._schema_types: + typename = pytype._schema_types[0] + + if annotate_xsi: + if typename is None or istree: + cetree.delAttributeFromNsName( + c_node, _XML_SCHEMA_INSTANCE_NS, "type") + else: + # update or create attribute + typename_utf8 = cetree.utf8(typename) + c_ns = cetree.findOrBuildNodeNsPrefix( + doc, c_node, _XML_SCHEMA_NS, 'xsd') + if c_ns is not NULL: + if b':' in typename_utf8: + prefix, name = typename_utf8.split(b':', 1) + if c_ns.prefix is NULL or c_ns.prefix[0] == c'\0': + typename_utf8 = name + elif tree.xmlStrcmp(_xcstr(prefix), c_ns.prefix) != 0: + typename_utf8 = (c_ns.prefix) + b':' + name + elif c_ns.prefix is not NULL and c_ns.prefix[0] != c'\0': + typename_utf8 = (c_ns.prefix) + b':' + typename_utf8 + c_ns = cetree.findOrBuildNodeNsPrefix( + doc, c_node, _XML_SCHEMA_INSTANCE_NS, 'xsi') + tree.xmlSetNsProp(c_node, c_ns, "type", _xcstr(typename_utf8)) + + if annotate_pytype: + if pytype is None: + # delete attribute if it exists + cetree.delAttributeFromNsName( + c_node, _PYTYPE_NAMESPACE, _PYTYPE_ATTRIBUTE_NAME) + else: + # update or create attribute + c_ns = cetree.findOrBuildNodeNsPrefix( + doc, c_node, _PYTYPE_NAMESPACE, 'py') + pytype_name = cetree.utf8(pytype.name) + tree.xmlSetNsProp(c_node, c_ns, _PYTYPE_ATTRIBUTE_NAME, + _xcstr(pytype_name)) + if pytype is NoneType: + c_ns = cetree.findOrBuildNodeNsPrefix( + doc, c_node, _XML_SCHEMA_INSTANCE_NS, 'xsi') + tree.xmlSetNsProp(c_node, c_ns, "nil", "true") + + return 0 + +cdef object _strip_attributes = etree.strip_attributes +cdef object _cleanup_namespaces = etree.cleanup_namespaces + +def deannotate(element_or_tree, *, bint pytype=True, bint xsi=True, + bint xsi_nil=False, bint cleanup_namespaces=False): + """deannotate(element_or_tree, pytype=True, xsi=True, xsi_nil=False, cleanup_namespaces=False) + + Recursively de-annotate the elements of an XML tree by removing 'py:pytype' + and/or 'xsi:type' attributes and/or 'xsi:nil' attributes. + + If the 'pytype' keyword argument is True (the default), 'py:pytype' + attributes will be removed. If the 'xsi' keyword argument is True (the + default), 'xsi:type' attributes will be removed. + If the 'xsi_nil' keyword argument is True (default: False), 'xsi:nil' + attributes will be removed. + + Note that this does not touch the namespace declarations by + default. If you want to remove unused namespace declarations from + the tree, pass the option ``cleanup_namespaces=True``. + """ + cdef list attribute_names = [] + + if pytype: + attribute_names.append(PYTYPE_ATTRIBUTE) + if xsi: + attribute_names.append(XML_SCHEMA_INSTANCE_TYPE_ATTR) + if xsi_nil: + attribute_names.append(XML_SCHEMA_INSTANCE_NIL_ATTR) + + _strip_attributes(element_or_tree, *attribute_names) + if cleanup_namespaces: + _cleanup_namespaces(element_or_tree) + +################################################################################ +# Module level parser setup + +cdef object __DEFAULT_PARSER +__DEFAULT_PARSER = etree.XMLParser(remove_blank_text=True) +__DEFAULT_PARSER.set_element_class_lookup( ObjectifyElementClassLookup() ) + +cdef object objectify_parser +objectify_parser = __DEFAULT_PARSER + +def set_default_parser(new_parser = None): + """set_default_parser(new_parser = None) + + Replace the default parser used by objectify's Element() and + fromstring() functions. + + The new parser must be an etree.XMLParser. + + Call without arguments to reset to the original parser. + """ + global objectify_parser + if new_parser is None: + objectify_parser = __DEFAULT_PARSER + elif isinstance(new_parser, etree.XMLParser): + objectify_parser = new_parser + else: + raise TypeError, "parser must inherit from lxml.etree.XMLParser" + +def makeparser(**kw): + """makeparser(remove_blank_text=True, **kw) + + Create a new XML parser for objectify trees. + + You can pass all keyword arguments that are supported by + ``etree.XMLParser()``. Note that this parser defaults to removing + blank text. You can disable this by passing the + ``remove_blank_text`` boolean keyword option yourself. + """ + if 'remove_blank_text' not in kw: + kw['remove_blank_text'] = True + parser = etree.XMLParser(**kw) + parser.set_element_class_lookup( ObjectifyElementClassLookup() ) + return parser + +cdef _Element _makeElement(tag, text, attrib, nsmap): + return cetree.makeElement(tag, None, objectify_parser, text, None, attrib, nsmap) + +################################################################################ +# Module level factory functions + +cdef object _fromstring +_fromstring = etree.fromstring + +SubElement = etree.SubElement + +def fromstring(xml, parser=None, *, base_url=None): + """fromstring(xml, parser=None, base_url=None) + + Objectify specific version of the lxml.etree fromstring() function + that uses the objectify parser. + + You can pass a different parser as second argument. + + The ``base_url`` keyword argument allows to set the original base URL of + the document to support relative Paths when looking up external entities + (DTD, XInclude, ...). + """ + if parser is None: + parser = objectify_parser + return _fromstring(xml, parser, base_url=base_url) + +def XML(xml, parser=None, *, base_url=None): + """XML(xml, parser=None, base_url=None) + + Objectify specific version of the lxml.etree XML() literal factory + that uses the objectify parser. + + You can pass a different parser as second argument. + + The ``base_url`` keyword argument allows to set the original base URL of + the document to support relative Paths when looking up external entities + (DTD, XInclude, ...). + """ + if parser is None: + parser = objectify_parser + return _fromstring(xml, parser, base_url=base_url) + +cdef object _parse +_parse = etree.parse + +def parse(f, parser=None, *, base_url=None): + """parse(f, parser=None, base_url=None) + + Parse a file or file-like object with the objectify parser. + + You can pass a different parser as second argument. + + The ``base_url`` keyword allows setting a URL for the document + when parsing from a file-like object. This is needed when looking + up external entities (DTD, XInclude, ...) with relative paths. + """ + if parser is None: + parser = objectify_parser + return _parse(f, parser, base_url=base_url) + +cdef dict _DEFAULT_NSMAP = { + "py" : PYTYPE_NAMESPACE, + "xsi" : XML_SCHEMA_INSTANCE_NS, + "xsd" : XML_SCHEMA_NS +} + +E = ElementMaker() + +def Element(_tag, attrib=None, nsmap=None, *, _pytype=None, **_attributes): + """Element(_tag, attrib=None, nsmap=None, _pytype=None, **_attributes) + + Objectify specific version of the lxml.etree Element() factory that + always creates a structural (tree) element. + + NOTE: requires parser based element class lookup activated in lxml.etree! + """ + if attrib is not None: + if _attributes: + attrib = dict(attrib) + attrib.update(_attributes) + _attributes = attrib + if _pytype is None: + _pytype = TREE_PYTYPE_NAME + if nsmap is None: + nsmap = _DEFAULT_NSMAP + _attributes[PYTYPE_ATTRIBUTE] = _pytype + return _makeElement(_tag, None, _attributes, nsmap) + +def DataElement(_value, attrib=None, nsmap=None, *, _pytype=None, _xsi=None, + **_attributes): + """DataElement(_value, attrib=None, nsmap=None, _pytype=None, _xsi=None, **_attributes) + + Create a new element from a Python value and XML attributes taken from + keyword arguments or a dictionary passed as second argument. + + Automatically adds a 'pytype' attribute for the Python type of the value, + if the type can be identified. If '_pytype' or '_xsi' are among the + keyword arguments, they will be used instead. + + If the _value argument is an ObjectifiedDataElement instance, its py:pytype, + xsi:type and other attributes and nsmap are reused unless they are redefined + in attrib and/or keyword arguments. + """ + if nsmap is None: + nsmap = _DEFAULT_NSMAP + if attrib is not None and attrib: + if _attributes: + attrib = dict(attrib) + attrib.update(_attributes) + _attributes = attrib + if isinstance(_value, ObjectifiedElement): + if _pytype is None: + if _xsi is None and not _attributes and nsmap is _DEFAULT_NSMAP: + # special case: no change! + return _value.__copy__() + if isinstance(_value, ObjectifiedDataElement): + # reuse existing nsmap unless redefined in nsmap parameter + temp = _value.nsmap + if temp is not None and temp: + temp = dict(temp) + temp.update(nsmap) + nsmap = temp + # reuse existing attributes unless redefined in attrib/_attributes + temp = _value.attrib + if temp is not None and temp: + temp = dict(temp) + temp.update(_attributes) + _attributes = temp + # reuse existing xsi:type or py:pytype attributes, unless provided as + # arguments + if _xsi is None and _pytype is None: + _xsi = _attributes.get(XML_SCHEMA_INSTANCE_TYPE_ATTR) + _pytype = _attributes.get(PYTYPE_ATTRIBUTE) + + if _xsi is not None: + if ':' in _xsi: + prefix, name = _xsi.split(':', 1) + ns = nsmap.get(prefix) + if ns != XML_SCHEMA_NS: + raise ValueError, "XSD types require the XSD namespace" + elif nsmap is _DEFAULT_NSMAP: + name = _xsi + _xsi = 'xsd:' + _xsi + else: + name = _xsi + for prefix, ns in nsmap.items(): + if ns == XML_SCHEMA_NS: + if prefix is not None and prefix: + _xsi = prefix + ':' + _xsi + break + else: + raise ValueError, "XSD types require the XSD namespace" + _attributes[XML_SCHEMA_INSTANCE_TYPE_ATTR] = _xsi + if _pytype is None: + # allow using unregistered or even wrong xsi:type names + py_type = _SCHEMA_TYPE_DICT.get(_xsi) + if py_type is None: + py_type = _SCHEMA_TYPE_DICT.get(name) + if py_type is not None: + _pytype = py_type.name + + if _pytype is None: + _pytype = _pytypename(_value) + + if _value is None and _pytype != "str": + _pytype = _pytype or "NoneType" + strval = None + elif python._isString(_value): + strval = _value + elif isinstance(_value, bool): + if _value: + strval = "true" + else: + strval = "false" + else: + py_type = _PYTYPE_DICT.get(_pytype) + stringify = unicode if py_type is None else py_type.stringify + strval = stringify(_value) + + if _pytype is not None: + if _pytype == "NoneType" or _pytype == "none": + strval = None + _attributes[XML_SCHEMA_INSTANCE_NIL_ATTR] = "true" + else: + # check if type information from arguments is valid + py_type = _PYTYPE_DICT.get(_pytype) + if py_type is not None: + if py_type.type_check is not None: + py_type.type_check(strval) + _attributes[PYTYPE_ATTRIBUTE] = _pytype + + return _makeElement("value", strval, _attributes, nsmap) + + +################################################################################ +# ObjectPath + +include "objectpath.pxi" diff --git a/.venv/lib/python3.12/site-packages/lxml/objectpath.pxi b/.venv/lib/python3.12/site-packages/lxml/objectpath.pxi new file mode 100644 index 0000000000000000000000000000000000000000..e562a365015830bfd3d24650d1109fe891c31039 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/objectpath.pxi @@ -0,0 +1,332 @@ +################################################################################ +# ObjectPath + +ctypedef struct _ObjectPath: + const_xmlChar* href + const_xmlChar* name + Py_ssize_t index + + +cdef object _NO_DEFAULT = object() + + +cdef class ObjectPath: + """ObjectPath(path) + Immutable object that represents a compiled object path. + + Example for a path: 'root.child[1].{other}child[25]' + """ + cdef readonly object find + cdef list _path + cdef object _path_str + cdef _ObjectPath* _c_path + cdef Py_ssize_t _path_len + def __init__(self, path): + if python._isString(path): + self._path = _parse_object_path_string(path) + self._path_str = path + else: + self._path = _parse_object_path_list(path) + self._path_str = '.'.join(path) + self._path_len = len(self._path) + self._c_path = _build_object_path_segments(self._path) + self.find = self.__call__ + + def __dealloc__(self): + if self._c_path is not NULL: + python.lxml_free(self._c_path) + + def __str__(self): + return self._path_str + + def __call__(self, _Element root not None, *_default): + """Follow the attribute path in the object structure and return the + target attribute value. + + If it it not found, either returns a default value (if one was passed + as second argument) or raises AttributeError. + """ + if _default: + if len(_default) > 1: + raise TypeError, "invalid number of arguments: needs one or two" + default = _default[0] + else: + default = _NO_DEFAULT + return _find_object_path(root, self._c_path, self._path_len, default) + + def hasattr(self, _Element root not None): + "hasattr(self, root)" + try: + _find_object_path(root, self._c_path, self._path_len, _NO_DEFAULT) + except AttributeError: + return False + return True + + def setattr(self, _Element root not None, value): + """setattr(self, root, value) + + Set the value of the target element in a subtree. + + If any of the children on the path does not exist, it is created. + """ + _create_object_path(root, self._c_path, self._path_len, 1, value) + + def addattr(self, _Element root not None, value): + """addattr(self, root, value) + + Append a value to the target element in a subtree. + + If any of the children on the path does not exist, it is created. + """ + _create_object_path(root, self._c_path, self._path_len, 0, value) + + +cdef object __MATCH_PATH_SEGMENT = re.compile( + r"(\.?)\s*(?:\{([^}]*)\})?\s*([^.{}\[\]\s]+)\s*(?:\[\s*([-0-9]+)\s*\])?", + re.U).match + +cdef tuple _RELATIVE_PATH_SEGMENT = (None, None, 0) + + +cdef list _parse_object_path_string(_path): + """Parse object path string into a (ns, name, index) list. + """ + cdef bint has_dot + cdef unicode path + new_path = [] + if isinstance(_path, bytes): + path = (_path).decode('ascii') + elif type(_path) is not unicode: + path = unicode(_path) + else: + path = _path + path = path.strip() + if path == '.': + return [_RELATIVE_PATH_SEGMENT] + path_pos = 0 + while path: + match = __MATCH_PATH_SEGMENT(path, path_pos) + if match is None: + break + + dot, ns, name, index = match.groups() + index = int(index) if index else 0 + has_dot = dot == '.' + if not new_path: + if has_dot: + # path '.child' => ignore root + new_path.append(_RELATIVE_PATH_SEGMENT) + elif index: + raise ValueError, "index not allowed on root node" + elif not has_dot: + raise ValueError, "invalid path" + if ns is not None: + ns = python.PyUnicode_AsUTF8String(ns) + name = python.PyUnicode_AsUTF8String(name) + new_path.append( (ns, name, index) ) + + path_pos = match.end() + if not new_path or len(path) > path_pos: + raise ValueError, "invalid path" + return new_path + + +cdef list _parse_object_path_list(path): + """Parse object path sequence into a (ns, name, index) list. + """ + new_path = [] + for item in path: + item = item.strip() + if not new_path and item == '': + # path '.child' => ignore root + ns = name = None + index = 0 + else: + ns, name = cetree.getNsTag(item) + c_name = _xcstr(name) + index_pos = tree.xmlStrchr(c_name, c'[') + if index_pos is NULL: + index = 0 + else: + index_end = tree.xmlStrchr(index_pos + 1, c']') + if index_end is NULL: + raise ValueError, "index must be enclosed in []" + index = int(index_pos[1:index_end - index_pos]) + if not new_path and index != 0: + raise ValueError, "index not allowed on root node" + name = c_name[:index_pos - c_name] + new_path.append( (ns, name, index) ) + if not new_path: + raise ValueError, "invalid path" + return new_path + + +cdef _ObjectPath* _build_object_path_segments(list path_list) except NULL: + cdef _ObjectPath* c_path + cdef _ObjectPath* c_path_segments + c_path_segments = <_ObjectPath*>python.lxml_malloc(len(path_list), sizeof(_ObjectPath)) + if c_path_segments is NULL: + raise MemoryError() + c_path = c_path_segments + for href, name, index in path_list: + c_path[0].href = _xcstr(href) if href is not None else NULL + c_path[0].name = _xcstr(name) if name is not None else NULL + c_path[0].index = index + c_path += 1 + return c_path_segments + + +cdef _find_object_path(_Element root, _ObjectPath* c_path, Py_ssize_t c_path_len, default_value): + """Follow the path to find the target element. + """ + cdef tree.xmlNode* c_node + cdef Py_ssize_t c_index + c_node = root._c_node + c_name = c_path[0].name + c_href = c_path[0].href + if c_href is NULL or c_href[0] == c'\0': + c_href = tree._getNs(c_node) + if not cetree.tagMatches(c_node, c_href, c_name): + if default_value is not _NO_DEFAULT: + return default_value + else: + raise ValueError( + f"root element does not match: need {cetree.namespacedNameFromNsName(c_href, c_name)}, got {root.tag}") + + while c_node is not NULL: + c_path_len -= 1 + if c_path_len <= 0: + break + + c_path += 1 + if c_path[0].href is not NULL: + c_href = c_path[0].href # otherwise: keep parent namespace + c_name = tree.xmlDictExists(c_node.doc.dict, c_path[0].name, -1) + if c_name is NULL: + c_name = c_path[0].name + c_node = NULL + break + c_index = c_path[0].index + c_node = c_node.last if c_index < 0 else c_node.children + c_node = _findFollowingSibling(c_node, c_href, c_name, c_index) + + if c_node is not NULL: + return cetree.elementFactory(root._doc, c_node) + elif default_value is not _NO_DEFAULT: + return default_value + else: + tag = cetree.namespacedNameFromNsName(c_href, c_name) + raise AttributeError, f"no such child: {tag}" + + +cdef _create_object_path(_Element root, _ObjectPath* c_path, + Py_ssize_t c_path_len, int replace, value): + """Follow the path to find the target element, build the missing children + as needed and set the target element to 'value'. If replace is true, an + existing value is replaced, otherwise the new value is added. + """ + cdef _Element child + cdef tree.xmlNode* c_node + cdef tree.xmlNode* c_child + cdef Py_ssize_t c_index + if c_path_len == 1: + raise TypeError, "cannot update root node" + + c_node = root._c_node + c_name = c_path[0].name + c_href = c_path[0].href + if c_href is NULL or c_href[0] == c'\0': + c_href = tree._getNs(c_node) + if not cetree.tagMatches(c_node, c_href, c_name): + raise ValueError( + f"root element does not match: need {cetree.namespacedNameFromNsName(c_href, c_name)}, got {root.tag}") + + while c_path_len > 1: + c_path_len -= 1 + c_path += 1 + if c_path[0].href is not NULL: + c_href = c_path[0].href # otherwise: keep parent namespace + c_index = c_path[0].index + c_name = tree.xmlDictExists(c_node.doc.dict, c_path[0].name, -1) + if c_name is NULL: + c_name = c_path[0].name + c_child = NULL + else: + c_child = c_node.last if c_index < 0 else c_node.children + c_child = _findFollowingSibling(c_child, c_href, c_name, c_index) + + if c_child is not NULL: + c_node = c_child + elif c_index != 0: + raise TypeError, "creating indexed path attributes is not supported" + elif c_path_len == 1: + _appendValue(cetree.elementFactory(root._doc, c_node), + cetree.namespacedNameFromNsName(c_href, c_name), + value) + return + else: + child = cetree.makeSubElement( + cetree.elementFactory(root._doc, c_node), + cetree.namespacedNameFromNsName(c_href, c_name), + None, None, None, None) + c_node = child._c_node + + # if we get here, the entire path was already there + if replace: + element = cetree.elementFactory(root._doc, c_node) + _replaceElement(element, value) + else: + _appendValue(cetree.elementFactory(root._doc, c_node.parent), + cetree.namespacedName(c_node), value) + + +cdef list _build_descendant_paths(tree.xmlNode* c_node, prefix_string): + """Returns a list of all descendant paths. + """ + cdef list path, path_list + tag = cetree.namespacedName(c_node) + if prefix_string: + if prefix_string[-1] != '.': + prefix_string += '.' + prefix_string = prefix_string + tag + else: + prefix_string = tag + path = [prefix_string] + path_list = [] + _recursive_build_descendant_paths(c_node, path, path_list) + return path_list + + +cdef int _recursive_build_descendant_paths(tree.xmlNode* c_node, + list path, list path_list) except -1: + """Fills the list 'path_list' with all descendant paths, initial prefix + being in the list 'path'. + """ + cdef tree.xmlNode* c_child + tags = {} + path_list.append('.'.join(path)) + c_href = tree._getNs(c_node) + c_child = c_node.children + while c_child is not NULL: + while c_child.type != tree.XML_ELEMENT_NODE: + c_child = c_child.next + if c_child is NULL: + return 0 + if c_href is tree._getNs(c_child): + tag = pyunicode(c_child.name) + elif c_href is not NULL and tree._getNs(c_child) is NULL: + # special case: parent has namespace, child does not + tag = '{}' + pyunicode(c_child.name) + else: + tag = cetree.namespacedName(c_child) + count = tags.get(tag) + if count is None: + tags[tag] = 1 + else: + tags[tag] = count + 1 + tag += f'[{count}]' + path.append(tag) + _recursive_build_descendant_paths(c_child, path, path_list) + del path[-1] + c_child = c_child.next + return 0 diff --git a/.venv/lib/python3.12/site-packages/lxml/parser.pxi b/.venv/lib/python3.12/site-packages/lxml/parser.pxi new file mode 100644 index 0000000000000000000000000000000000000000..af9bd4fc34acabaf7f5a13e5d492d847563c8fed --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/parser.pxi @@ -0,0 +1,2085 @@ +# Parsers for XML and HTML + +from lxml.includes cimport xmlparser +from lxml.includes cimport htmlparser + +cdef object _GenericAlias +try: + from types import GenericAlias as _GenericAlias +except ImportError: + # Python 3.8 - we only need this as return value from "__class_getitem__" + def _GenericAlias(cls, item): + return f"{cls.__name__}[{item.__name__}]" + + +class ParseError(LxmlSyntaxError): + """Syntax error while parsing an XML document. + + For compatibility with ElementTree 1.3 and later. + """ + def __init__(self, message, code, line, column, filename=None): + super(_ParseError, self).__init__(message) + self.lineno, self.offset = (line, column - 1) + self.code = code + self.filename = filename + + @property + def position(self): + return self.lineno, self.offset + 1 + + @position.setter + def position(self, new_pos): + self.lineno, column = new_pos + self.offset = column - 1 + +cdef object _ParseError = ParseError + + +class XMLSyntaxError(ParseError): + """Syntax error while parsing an XML document. + """ + +cdef class ParserError(LxmlError): + """Internal lxml parser error. + """ + + +@cython.final +@cython.internal +cdef class _ParserDictionaryContext: + # Global parser context to share the string dictionary. + # + # This class is a delegate singleton! + # + # It creates _ParserDictionaryContext objects for each thread to keep thread state, + # but those must never be used directly. Always stick to using the static + # __GLOBAL_PARSER_CONTEXT as defined below the class. + # + + cdef tree.xmlDict* _c_dict + cdef _BaseParser _default_parser + cdef list _implied_parser_contexts + + def __cinit__(self): + self._implied_parser_contexts = [] + + def __dealloc__(self): + if self._c_dict is not NULL: + xmlparser.xmlDictFree(self._c_dict) + + cdef int initMainParserContext(self) except -1: + """Put the global context into the thread dictionary of the main + thread. To be called once and only in the main thread.""" + thread_dict = python.PyThreadState_GetDict() + if thread_dict is not NULL: + (thread_dict)["_ParserDictionaryContext"] = self + + cdef _ParserDictionaryContext _findThreadParserContext(self): + "Find (or create) the _ParserDictionaryContext object for the current thread" + cdef _ParserDictionaryContext context + thread_dict = python.PyThreadState_GetDict() + if thread_dict is NULL: + return self + d = thread_dict + result = python.PyDict_GetItem(d, "_ParserDictionaryContext") + if result is not NULL: + return result + context = <_ParserDictionaryContext>_ParserDictionaryContext.__new__(_ParserDictionaryContext) + d["_ParserDictionaryContext"] = context + return context + + cdef int setDefaultParser(self, _BaseParser parser) except -1: + "Set the default parser for the current thread" + cdef _ParserDictionaryContext context + context = self._findThreadParserContext() + context._default_parser = parser + + cdef _BaseParser getDefaultParser(self): + "Return (or create) the default parser of the current thread" + cdef _ParserDictionaryContext context + context = self._findThreadParserContext() + if context._default_parser is None: + if self._default_parser is None: + self._default_parser = __DEFAULT_XML_PARSER._copy() + if context is not self: + context._default_parser = self._default_parser._copy() + return context._default_parser + + cdef tree.xmlDict* _getThreadDict(self, tree.xmlDict* default): + "Return the thread-local dict or create a new one if necessary." + cdef _ParserDictionaryContext context + context = self._findThreadParserContext() + if context._c_dict is NULL: + # thread dict not yet set up => use default or create a new one + if default is not NULL: + context._c_dict = default + xmlparser.xmlDictReference(default) + return default + if self._c_dict is NULL: + self._c_dict = xmlparser.xmlDictCreate() + if context is not self: + context._c_dict = xmlparser.xmlDictCreateSub(self._c_dict) + return context._c_dict + + cdef int initThreadDictRef(self, tree.xmlDict** c_dict_ref) except -1: + c_dict = c_dict_ref[0] + c_thread_dict = self._getThreadDict(c_dict) + if c_dict is c_thread_dict: + return 0 + if c_dict is not NULL: + xmlparser.xmlDictFree(c_dict) + c_dict_ref[0] = c_thread_dict + xmlparser.xmlDictReference(c_thread_dict) + + cdef int initParserDict(self, xmlparser.xmlParserCtxt* pctxt) except -1: + "Assure we always use the same string dictionary." + self.initThreadDictRef(&pctxt.dict) + pctxt.dictNames = 1 + + cdef int initXPathParserDict(self, xpath.xmlXPathContext* pctxt) except -1: + "Assure we always use the same string dictionary." + self.initThreadDictRef(&pctxt.dict) + + cdef int initDocDict(self, xmlDoc* result) except -1: + "Store dict of last object parsed if no shared dict yet" + # XXX We also free the result dict here if there already was one. + # This case should only occur for new documents with empty dicts, + # otherwise we'd free data that's in use => segfault + self.initThreadDictRef(&result.dict) + + cdef _ParserContext findImpliedContext(self): + """Return any current implied xml parser context for the current + thread. This is used when the resolver functions are called + with an xmlParserCtxt that was generated from within libxml2 + (i.e. without a _ParserContext) - which happens when parsing + schema and xinclude external references.""" + cdef _ParserDictionaryContext context + cdef _ParserContext implied_context + + # see if we have a current implied parser + context = self._findThreadParserContext() + if context._implied_parser_contexts: + implied_context = context._implied_parser_contexts[-1] + return implied_context + return None + + cdef int pushImpliedContextFromParser(self, _BaseParser parser) except -1: + "Push a new implied context object taken from the parser." + if parser is not None: + self.pushImpliedContext(parser._getParserContext()) + else: + self.pushImpliedContext(None) + + cdef int pushImpliedContext(self, _ParserContext parser_context) except -1: + "Push a new implied context object." + cdef _ParserDictionaryContext context + context = self._findThreadParserContext() + context._implied_parser_contexts.append(parser_context) + + cdef int popImpliedContext(self) except -1: + "Pop the current implied context object." + cdef _ParserDictionaryContext context + context = self._findThreadParserContext() + context._implied_parser_contexts.pop() + +cdef _ParserDictionaryContext __GLOBAL_PARSER_CONTEXT = _ParserDictionaryContext() +__GLOBAL_PARSER_CONTEXT.initMainParserContext() + +############################################################ +## support for Python unicode I/O +############################################################ + +# name of Python Py_UNICODE encoding as known to libxml2 +cdef const_char* _PY_UNICODE_ENCODING = NULL + +cdef int _setupPythonUnicode() except -1: + """Sets _PY_UNICODE_ENCODING to the internal encoding name of Python unicode + strings if libxml2 supports reading native Python unicode. This depends + on iconv and the local Python installation, so we simply check if we find + a matching encoding handler. + """ + cdef tree.xmlCharEncodingHandler* enchandler + cdef Py_ssize_t l + cdef const_char* enc + cdef Py_UNICODE *uchars = [c'<', c't', c'e', c's', c't', c'/', c'>'] + cdef const_xmlChar* buffer = uchars + # apparently, libxml2 can't detect UTF-16 on some systems + if (buffer[0] == c'<' and buffer[1] == c'\0' and + buffer[2] == c't' and buffer[3] == c'\0'): + enc = "UTF-16LE" + elif (buffer[0] == c'\0' and buffer[1] == c'<' and + buffer[2] == c'\0' and buffer[3] == c't'): + enc = "UTF-16BE" + else: + # let libxml2 give it a try + enc = _findEncodingName(buffer, sizeof(Py_UNICODE) * 7) + if enc is NULL: + # not my fault, it's YOUR broken system :) + return 0 + enchandler = tree.xmlFindCharEncodingHandler(enc) + if enchandler is not NULL: + global _PY_UNICODE_ENCODING + tree.xmlCharEncCloseFunc(enchandler) + _PY_UNICODE_ENCODING = enc + return 0 + +cdef const_char* _findEncodingName(const_xmlChar* buffer, int size) noexcept: + "Work around bug in libxml2: find iconv name of encoding on our own." + cdef tree.xmlCharEncoding enc + enc = tree.xmlDetectCharEncoding(buffer, size) + if enc == tree.XML_CHAR_ENCODING_UTF16LE: + if size >= 4 and (buffer[0] == b'\xFF' and + buffer[1] == b'\xFE' and + buffer[2] == 0 and buffer[3] == 0): + return "UTF-32LE" # according to BOM + else: + return "UTF-16LE" + elif enc == tree.XML_CHAR_ENCODING_UTF16BE: + return "UTF-16BE" + elif enc == tree.XML_CHAR_ENCODING_UCS4LE: + return "UCS-4LE" + elif enc == tree.XML_CHAR_ENCODING_UCS4BE: + return "UCS-4BE" + elif enc == tree.XML_CHAR_ENCODING_NONE: + return NULL + else: + # returns a constant char*, no need to free it + return tree.xmlGetCharEncodingName(enc) + +# Python 3.12 removed support for "Py_UNICODE". +if python.PY_VERSION_HEX < 0x030C0000: + _setupPythonUnicode() + + +cdef unicode _find_PyUCS4EncodingName(): + """ + Find a suitable encoding for Py_UCS4 PyUnicode strings in libxml2. + """ + ustring = "\U0001F92A" + cdef const xmlChar* buffer = python.PyUnicode_DATA(ustring) + cdef Py_ssize_t py_buffer_len = python.PyUnicode_GET_LENGTH(ustring) + + encoding_name = '' + cdef tree.xmlCharEncoding enc = tree.xmlDetectCharEncoding(buffer, py_buffer_len) + enchandler = tree.xmlGetCharEncodingHandler(enc) + if enchandler is not NULL: + try: + if enchandler.name: + encoding_name = enchandler.name.decode('UTF-8') + finally: + tree.xmlCharEncCloseFunc(enchandler) + else: + c_name = tree.xmlGetCharEncodingName(enc) + if c_name: + encoding_name = c_name.decode('UTF-8') + + + if encoding_name and not encoding_name.endswith('LE') and not encoding_name.endswith('BE'): + encoding_name += 'BE' if python.PY_BIG_ENDIAN else 'LE' + return encoding_name or None + +_pyucs4_encoding_name = _find_PyUCS4EncodingName() + + +############################################################ +## support for file-like objects +############################################################ + +@cython.final +@cython.internal +cdef class _FileReaderContext: + cdef object _filelike + cdef object _encoding + cdef object _url + cdef object _bytes + cdef _ExceptionContext _exc_context + cdef Py_ssize_t _bytes_read + cdef char* _c_url + cdef bint _close_file_after_read + + def __cinit__(self, filelike, exc_context not None, url, encoding=None, bint close_file=False): + self._exc_context = exc_context + self._filelike = filelike + self._close_file_after_read = close_file + self._encoding = encoding + if url is not None: + url = _encodeFilename(url) + self._c_url = _cstr(url) + self._url = url + self._bytes = b'' + self._bytes_read = 0 + + cdef _close_file(self): + if self._filelike is None or not self._close_file_after_read: + return + try: + close = self._filelike.close + except AttributeError: + close = None + finally: + self._filelike = None + if close is not None: + close() + + cdef xmlparser.xmlParserInputBuffer* _createParserInputBuffer(self) noexcept: + cdef xmlparser.xmlParserInputBuffer* c_buffer = xmlparser.xmlAllocParserInputBuffer(0) + if c_buffer: + c_buffer.readcallback = _readFilelikeParser + c_buffer.context = self + return c_buffer + + cdef xmlparser.xmlParserInput* _createParserInput( + self, xmlparser.xmlParserCtxt* ctxt) noexcept: + cdef xmlparser.xmlParserInputBuffer* c_buffer = self._createParserInputBuffer() + if not c_buffer: + return NULL + return xmlparser.xmlNewIOInputStream(ctxt, c_buffer, 0) + + cdef tree.xmlDtd* _readDtd(self) noexcept: + cdef xmlparser.xmlParserInputBuffer* c_buffer = self._createParserInputBuffer() + if not c_buffer: + return NULL + with nogil: + return xmlparser.xmlIOParseDTD(NULL, c_buffer, 0) + + cdef xmlDoc* _readDoc(self, xmlparser.xmlParserCtxt* ctxt, int options) noexcept: + cdef xmlDoc* result + cdef void* c_callback_context = self + cdef char* c_encoding = _cstr(self._encoding) if self._encoding is not None else NULL + + orig_options = ctxt.options + with nogil: + if ctxt.html: + result = htmlparser.htmlCtxtReadIO( + ctxt, _readFilelikeParser, NULL, c_callback_context, + self._c_url, c_encoding, options) + if result is not NULL: + if _fixHtmlDictNames(ctxt.dict, result) < 0: + tree.xmlFreeDoc(result) + result = NULL + else: + result = xmlparser.xmlCtxtReadIO( + ctxt, _readFilelikeParser, NULL, c_callback_context, + self._c_url, c_encoding, options) + ctxt.options = orig_options # work around libxml2 problem + + try: + self._close_file() + except: + self._exc_context._store_raised() + finally: + return result # swallow any exceptions + + cdef int copyToBuffer(self, char* c_buffer, int c_requested) noexcept: + cdef int c_byte_count = 0 + cdef char* c_start + cdef Py_ssize_t byte_count, remaining + if self._bytes_read < 0: + return 0 + try: + byte_count = python.PyBytes_GET_SIZE(self._bytes) + remaining = byte_count - self._bytes_read + while c_requested > remaining: + c_start = _cstr(self._bytes) + self._bytes_read + cstring_h.memcpy(c_buffer, c_start, remaining) + c_byte_count += remaining + c_buffer += remaining + c_requested -= remaining + + self._bytes = self._filelike.read(c_requested) + if not isinstance(self._bytes, bytes): + if isinstance(self._bytes, unicode): + if self._encoding is None: + self._bytes = (self._bytes).encode('utf8') + else: + self._bytes = python.PyUnicode_AsEncodedString( + self._bytes, _cstr(self._encoding), NULL) + else: + self._close_file() + raise TypeError, \ + "reading from file-like objects must return byte strings or unicode strings" + + remaining = python.PyBytes_GET_SIZE(self._bytes) + if remaining == 0: + self._bytes_read = -1 + self._close_file() + return c_byte_count + self._bytes_read = 0 + + if c_requested > 0: + c_start = _cstr(self._bytes) + self._bytes_read + cstring_h.memcpy(c_buffer, c_start, c_requested) + c_byte_count += c_requested + self._bytes_read += c_requested + except: + c_byte_count = -1 + self._exc_context._store_raised() + try: + self._close_file() + except: + self._exc_context._store_raised() + finally: + return c_byte_count # swallow any exceptions + +cdef int _readFilelikeParser(void* ctxt, char* c_buffer, int c_size) noexcept with gil: + return (<_FileReaderContext>ctxt).copyToBuffer(c_buffer, c_size) + + +############################################################ +## support for custom document loaders +############################################################ + +cdef xmlparser.xmlParserInput* _local_resolver(const_char* c_url, const_char* c_pubid, + xmlparser.xmlParserCtxt* c_context) noexcept with gil: + cdef _ResolverContext context + cdef xmlparser.xmlParserInput* c_input + cdef _InputDocument doc_ref + cdef _FileReaderContext file_context + # if there is no _ParserContext associated with the xmlParserCtxt + # passed, check to see if the thread state object has an implied + # context. + if c_context._private is not NULL: + context = <_ResolverContext>c_context._private + else: + context = __GLOBAL_PARSER_CONTEXT.findImpliedContext() + + if context is None: + if __DEFAULT_ENTITY_LOADER is NULL: + return NULL + with nogil: + # free the GIL as we might do serious I/O here (e.g. HTTP) + c_input = __DEFAULT_ENTITY_LOADER(c_url, c_pubid, c_context) + return c_input + + try: + if c_url is NULL: + url = None + else: + # parsing a related document (DTD etc.) => UTF-8 encoded URL? + url = _decodeFilename(c_url) + if c_pubid is NULL: + pubid = None + else: + pubid = funicode(c_pubid) # always UTF-8 + + doc_ref = context._resolvers.resolve(url, pubid, context) + except: + context._store_raised() + return NULL + + if doc_ref is not None: + if doc_ref._type == PARSER_DATA_STRING: + data = doc_ref._data_bytes + filename = doc_ref._filename + if not filename: + filename = None + elif not isinstance(filename, bytes): + # most likely a text URL + filename = filename.encode('utf8') + if not isinstance(filename, bytes): + filename = None + + if tree.LIBXML_VERSION >= 21400: + c_filename = tree.xmlStrdup(_xcstr(filename)) if filename is not None else NULL + c_input = xmlparser.xmlNewInputFromMemory( + c_filename, _xcstr(data), python.PyBytes_GET_SIZE(data), 0) + else: + c_input = xmlparser.xmlNewInputStream(c_context) + if c_input is not NULL: + if filename is not None: + c_input.filename = tree.xmlStrdup(_xcstr(filename)) + c_input.base = _xcstr(data) + c_input.length = python.PyBytes_GET_SIZE(data) + c_input.cur = c_input.base + c_input.end = c_input.base + c_input.length + elif doc_ref._type == PARSER_DATA_FILENAME: + data = None + c_filename = _cstr(doc_ref._filename) + with nogil: + # free the GIL as we might do serious I/O here + c_input = xmlparser.xmlNewInputFromFile( + c_context, c_filename) + elif doc_ref._type == PARSER_DATA_FILE: + file_context = _FileReaderContext(doc_ref._file, context, url, + None, doc_ref._close_file) + c_input = file_context._createParserInput(c_context) + data = file_context + else: + data = None + c_input = NULL + + if data is not None: + context._storage.add(data) + if c_input is not NULL: + return c_input + + if __DEFAULT_ENTITY_LOADER is NULL: + return NULL + + with nogil: + # free the GIL as we might do serious I/O here (e.g. HTTP) + c_input = __DEFAULT_ENTITY_LOADER(c_url, c_pubid, c_context) + return c_input + +cdef xmlparser.xmlExternalEntityLoader __DEFAULT_ENTITY_LOADER +__DEFAULT_ENTITY_LOADER = xmlparser.xmlGetExternalEntityLoader() + + +cdef xmlparser.xmlExternalEntityLoader _register_document_loader() noexcept nogil: + cdef xmlparser.xmlExternalEntityLoader old = xmlparser.xmlGetExternalEntityLoader() + xmlparser.xmlSetExternalEntityLoader( _local_resolver) + return old + +cdef void _reset_document_loader(xmlparser.xmlExternalEntityLoader old) noexcept nogil: + xmlparser.xmlSetExternalEntityLoader(old) + + +############################################################ +## Parsers +############################################################ + +@cython.no_gc_clear # May have to call "self._validator.disconnect()" on dealloc. +@cython.internal +cdef class _ParserContext(_ResolverContext): + cdef _ErrorLog _error_log + cdef _ParserSchemaValidationContext _validator + cdef xmlparser.xmlParserCtxt* _c_ctxt + cdef xmlparser.xmlExternalEntityLoader _orig_loader + cdef python.PyThread_type_lock _lock + cdef _Document _doc + cdef bint _collect_ids + + def __cinit__(self): + self._collect_ids = True + if config.ENABLE_THREADING: + self._lock = python.PyThread_allocate_lock() + self._error_log = _ErrorLog() + + def __dealloc__(self): + if config.ENABLE_THREADING and self._lock is not NULL: + python.PyThread_free_lock(self._lock) + self._lock = NULL + if self._c_ctxt is not NULL: + if self._validator is not NULL and self._validator is not None: + # If the parser was not closed correctly (e.g. interrupted iterparse()), + # and the schema validator wasn't freed and cleaned up yet, the libxml2 SAX + # validator plug might still be in place, which will make xmlFreeParserCtxt() + # crash when trying to xmlFree() a static SAX handler. + # Thus, make sure we disconnect the handler interceptor here at the latest. + self._validator.disconnect() + xmlparser.xmlFreeParserCtxt(self._c_ctxt) + + cdef _ParserContext _copy(self): + cdef _ParserContext context + context = self.__class__() + context._collect_ids = self._collect_ids + context._validator = self._validator.copy() + _initParserContext(context, self._resolvers._copy(), NULL) + return context + + cdef void _initParserContext(self, xmlparser.xmlParserCtxt* c_ctxt) noexcept: + """ + Connects the libxml2-level context to the lxml-level parser context. + """ + self._c_ctxt = c_ctxt + c_ctxt._private = self + + cdef void _resetParserContext(self) noexcept: + if self._c_ctxt is not NULL: + if self._c_ctxt.html: + htmlparser.htmlCtxtReset(self._c_ctxt) + self._c_ctxt.disableSAX = 0 # work around bug in libxml2 + else: + xmlparser.xmlClearParserCtxt(self._c_ctxt) + # work around bug in libxml2 [2.9.10 .. 2.9.14]: + # https://gitlab.gnome.org/GNOME/libxml2/-/issues/378 + self._c_ctxt.nsNr = 0 + + cdef int prepare(self, bint set_document_loader=True) except -1: + cdef int result + if config.ENABLE_THREADING and self._lock is not NULL: + with nogil: + result = python.PyThread_acquire_lock( + self._lock, python.WAIT_LOCK) + if result == 0: + raise ParserError, "parser locking failed" + self._error_log.clear() + self._doc = None + # Connect the lxml error log with libxml2's error handling. In the case of parsing + # HTML, ctxt->sax is not set to null, so this always works. The libxml2 function + # that does this is htmlInitParserCtxt in HTMLparser.c. For HTML (and possibly XML + # too), libxml2's SAX's serror is set to be the place where errors are sent when + # schannel is set to ctxt->sax->serror in xmlCtxtErrMemory in libxml2's + # parserInternals.c. + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + self._c_ctxt.sax.serror = _receiveParserError + self._orig_loader = _register_document_loader() if set_document_loader else NULL + if self._validator is not None: + self._validator.connect(self._c_ctxt, self._error_log) + return 0 + + cdef int cleanup(self) except -1: + if self._orig_loader is not NULL: + _reset_document_loader(self._orig_loader) + try: + if self._validator is not None: + self._validator.disconnect() + self._resetParserContext() + self.clear() + self._doc = None + self._c_ctxt.sax.serror = NULL + finally: + if config.ENABLE_THREADING and self._lock is not NULL: + python.PyThread_release_lock(self._lock) + return 0 + + cdef object _handleParseResult(self, _BaseParser parser, + xmlDoc* result, filename): + c_doc = self._handleParseResultDoc(parser, result, filename) + if self._doc is not None and self._doc._c_doc is c_doc: + return self._doc + else: + return _documentFactory(c_doc, parser) + + cdef xmlDoc* _handleParseResultDoc(self, _BaseParser parser, + xmlDoc* result, filename) except NULL: + recover = parser._parse_options & xmlparser.XML_PARSE_RECOVER + return _handleParseResult(self, self._c_ctxt, result, + filename, recover, + free_doc=self._doc is None) + +cdef _initParserContext(_ParserContext context, + _ResolverRegistry resolvers, + xmlparser.xmlParserCtxt* c_ctxt): + _initResolverContext(context, resolvers) + if c_ctxt is not NULL: + context._initParserContext(c_ctxt) + +cdef void _forwardParserError(xmlparser.xmlParserCtxt* _parser_context, const xmlerror.xmlError* error) noexcept with gil: + """ + Add an error created by libxml2 to the lxml-level error_log. + """ + (<_ParserContext>_parser_context._private)._error_log._receive(error) + +cdef void _receiveParserError(void* c_context, const xmlerror.xmlError* error) noexcept nogil: + if __DEBUG: + if c_context is NULL or (c_context)._private is NULL: + _forwardError(NULL, error) + else: + _forwardParserError(c_context, error) + +cdef int _raiseParseError(xmlparser.xmlParserCtxt* ctxt, filename, + _ErrorLog error_log) except -1: + if filename is not None and \ + ctxt.lastError.domain == xmlerror.XML_FROM_IO: + if isinstance(filename, bytes): + filename = _decodeFilenameWithLength( + filename, len(filename)) + if ctxt.lastError.message is not NULL: + try: + message = ctxt.lastError.message.decode('utf-8') + except UnicodeDecodeError: + # the filename may be in there => play it safe + message = ctxt.lastError.message.decode('iso8859-1') + message = f"Error reading file '{filename}': {message.strip()}" + else: + message = f"Error reading '{filename}'" + raise IOError, message + elif error_log: + raise error_log._buildParseException( + XMLSyntaxError, "Document is not well formed") + elif ctxt.lastError.message is not NULL: + message = ctxt.lastError.message.strip() + code = ctxt.lastError.code + line = ctxt.lastError.line + column = ctxt.lastError.int2 + if ctxt.lastError.line > 0: + message = f"line {line}: {message}" + raise XMLSyntaxError(message, code, line, column, filename) + else: + raise XMLSyntaxError(None, xmlerror.XML_ERR_INTERNAL_ERROR, 0, 0, + filename) + +cdef xmlDoc* _handleParseResult(_ParserContext context, + xmlparser.xmlParserCtxt* c_ctxt, + xmlDoc* result, filename, + bint recover, bint free_doc) except NULL: + # The C-level argument xmlDoc* result is passed in as NULL if the parser was not able + # to parse the document. + cdef bint well_formed + if result is not NULL: + __GLOBAL_PARSER_CONTEXT.initDocDict(result) + + if c_ctxt.myDoc is not NULL: + if c_ctxt.myDoc is not result: + __GLOBAL_PARSER_CONTEXT.initDocDict(c_ctxt.myDoc) + tree.xmlFreeDoc(c_ctxt.myDoc) + c_ctxt.myDoc = NULL + + if result is not NULL: + # "wellFormed" in libxml2 is 0 if the parser found fatal errors. It still returns a + # parse result document if 'recover=True'. Here, we determine if we can present + # the document to the user or consider it incorrect or broken enough to raise an error. + if (context._validator is not None and + not context._validator.isvalid()): + well_formed = 0 # actually not 'valid', but anyway ... + elif (not c_ctxt.wellFormed and not c_ctxt.html and + c_ctxt.charset == tree.XML_CHAR_ENCODING_8859_1 and + [1 for error in context._error_log + if error.type == ErrorTypes.ERR_INVALID_CHAR]): + # An encoding error occurred and libxml2 switched from UTF-8 + # input to (undecoded) Latin-1, at some arbitrary point in the + # document. Better raise an error than allowing for a broken + # tree with mixed encodings. This is fixed in libxml2 2.12. + well_formed = 0 + elif recover or (c_ctxt.wellFormed and + c_ctxt.lastError.level < xmlerror.XML_ERR_ERROR): + well_formed = 1 + elif not c_ctxt.replaceEntities and not c_ctxt.validate \ + and context is not None: + # in this mode, we ignore errors about undefined entities + for error in context._error_log.filter_from_errors(): + if error.type != ErrorTypes.WAR_UNDECLARED_ENTITY and \ + error.type != ErrorTypes.ERR_UNDECLARED_ENTITY: + well_formed = 0 + break + else: + well_formed = 1 + else: + well_formed = 0 + + if not well_formed: + if free_doc: + tree.xmlFreeDoc(result) + result = NULL + + if context is not None and context._has_raised(): + if result is not NULL: + if free_doc: + tree.xmlFreeDoc(result) + result = NULL + context._raise_if_stored() + + if result is NULL: + if context is not None: + _raiseParseError(c_ctxt, filename, context._error_log) + else: + _raiseParseError(c_ctxt, filename, None) + else: + if result.URL is NULL and filename is not None: + result.URL = tree.xmlStrdup(_xcstr(filename)) + if result.encoding is NULL: + result.encoding = tree.xmlStrdup("UTF-8") + + if context._validator is not None and \ + context._validator._add_default_attributes: + # we currently need to do this here as libxml2 does not + # support inserting default attributes during parse-time + # validation + context._validator.inject_default_attributes(result) + + return result + +cdef int _fixHtmlDictNames(tree.xmlDict* c_dict, xmlDoc* c_doc) noexcept nogil: + cdef xmlNode* c_node + if c_doc is NULL: + return 0 + c_node = c_doc.children + tree.BEGIN_FOR_EACH_ELEMENT_FROM(c_doc, c_node, 1) + if c_node.type == tree.XML_ELEMENT_NODE: + if _fixHtmlDictNodeNames(c_dict, c_node) < 0: + return -1 + tree.END_FOR_EACH_ELEMENT_FROM(c_node) + return 0 + +cdef int _fixHtmlDictSubtreeNames(tree.xmlDict* c_dict, xmlDoc* c_doc, + xmlNode* c_start_node) noexcept nogil: + """ + Move names to the dict, iterating in document order, starting at + c_start_node. This is used in incremental parsing after each chunk. + """ + cdef xmlNode* c_node + if not c_doc: + return 0 + if not c_start_node: + return _fixHtmlDictNames(c_dict, c_doc) + c_node = c_start_node + tree.BEGIN_FOR_EACH_ELEMENT_FROM(c_doc, c_node, 1) + if c_node.type == tree.XML_ELEMENT_NODE: + if _fixHtmlDictNodeNames(c_dict, c_node) < 0: + return -1 + tree.END_FOR_EACH_ELEMENT_FROM(c_node) + return 0 + +cdef inline int _fixHtmlDictNodeNames(tree.xmlDict* c_dict, + xmlNode* c_node) noexcept nogil: + cdef xmlNode* c_attr + c_name = tree.xmlDictLookup(c_dict, c_node.name, -1) + if c_name is NULL: + return -1 + if c_name is not c_node.name: + tree.xmlFree(c_node.name) + c_node.name = c_name + c_attr = c_node.properties + while c_attr is not NULL: + c_name = tree.xmlDictLookup(c_dict, c_attr.name, -1) + if c_name is NULL: + return -1 + if c_name is not c_attr.name: + tree.xmlFree(c_attr.name) + c_attr.name = c_name + c_attr = c_attr.next + return 0 + + +@cython.internal +cdef class _BaseParser: + cdef ElementClassLookup _class_lookup + cdef _ResolverRegistry _resolvers + cdef _ParserContext _parser_context + cdef _ParserContext _push_parser_context + cdef int _parse_options + cdef bint _for_html + cdef bint _remove_comments + cdef bint _remove_pis + cdef bint _strip_cdata + cdef bint _collect_ids + cdef bint _resolve_external_entities + cdef XMLSchema _schema + cdef bytes _filename + cdef readonly object target + cdef object _default_encoding + cdef tuple _events_to_collect # (event_types, tag) + + def __init__(self, int parse_options, bint for_html, XMLSchema schema, + remove_comments, remove_pis, strip_cdata, collect_ids, + target, encoding, bint resolve_external_entities=True): + cdef tree.xmlCharEncodingHandler* enchandler + cdef int c_encoding + if not isinstance(self, (XMLParser, HTMLParser)): + raise TypeError, "This class cannot be instantiated" + + if not collect_ids and tree.LIBXML_VERSION >= 21500: + parse_options |= xmlparser.XML_PARSE_SKIP_IDS + + self._parse_options = parse_options + self.target = target + self._for_html = for_html + self._remove_comments = remove_comments + self._remove_pis = remove_pis + self._strip_cdata = strip_cdata + self._collect_ids = collect_ids + self._resolve_external_entities = resolve_external_entities + self._schema = schema + + self._resolvers = _ResolverRegistry() + + if encoding is None: + self._default_encoding = None + else: + encoding = _utf8(encoding) + enchandler = tree.xmlFindCharEncodingHandler(_cstr(encoding)) + if enchandler is NULL: + raise LookupError, f"unknown encoding: '{encoding}'" + tree.xmlCharEncCloseFunc(enchandler) + self._default_encoding = encoding + + cdef _setBaseURL(self, base_url): + self._filename = _encodeFilename(base_url) + + cdef _collectEvents(self, event_types, tag): + if event_types is None: + event_types = () + else: + event_types = tuple(set(event_types)) + _buildParseEventFilter(event_types) # purely for validation + self._events_to_collect = (event_types, tag) + + cdef _ParserContext _getParserContext(self): + cdef xmlparser.xmlParserCtxt* pctxt + if self._parser_context is None: + self._parser_context = self._createContext(self.target, None) + self._parser_context._collect_ids = self._collect_ids + if self._schema is not None: + self._parser_context._validator = \ + self._schema._newSaxValidator( + self._parse_options & xmlparser.XML_PARSE_DTDATTR) + pctxt = self._newParserCtxt() + _initParserContext(self._parser_context, self._resolvers, pctxt) + self._configureSaxContext(pctxt) + return self._parser_context + + cdef _ParserContext _getPushParserContext(self): + cdef xmlparser.xmlParserCtxt* pctxt + if self._push_parser_context is None: + self._push_parser_context = self._createContext( + self.target, self._events_to_collect) + self._push_parser_context._collect_ids = self._collect_ids + if self._schema is not None: + self._push_parser_context._validator = \ + self._schema._newSaxValidator( + self._parse_options & xmlparser.XML_PARSE_DTDATTR) + pctxt = self._newPushParserCtxt() + _initParserContext( + self._push_parser_context, self._resolvers, pctxt) + self._configureSaxContext(pctxt) + return self._push_parser_context + + cdef _ParserContext _createContext(self, target, events_to_collect): + """ + This method creates and configures the lxml-level parser. + """ + cdef _SaxParserContext sax_context + if target is not None: + sax_context = _TargetParserContext(self) + (<_TargetParserContext>sax_context)._setTarget(target) + elif events_to_collect: + sax_context = _SaxParserContext(self) + else: + # nothing special to configure + return _ParserContext() + if events_to_collect: + events, tag = events_to_collect + sax_context._setEventFilter(events, tag) + return sax_context + + @cython.final + cdef int _configureSaxContext(self, xmlparser.xmlParserCtxt* pctxt) except -1: + if self._remove_comments: + pctxt.sax.comment = NULL + if self._remove_pis: + pctxt.sax.processingInstruction = NULL + if self._strip_cdata: + # hard switch-off for CDATA nodes => makes them plain text + pctxt.sax.cdataBlock = NULL + if not self._resolve_external_entities: + pctxt.sax.getEntity = _getInternalEntityOnly + pctxt.sax.getParameterEntity = NULL # Disable parameter entities completely. + + cdef int _registerHtmlErrorHandler(self, xmlparser.xmlParserCtxt* c_ctxt) except -1: + cdef xmlparser.xmlSAXHandler* sax = c_ctxt.sax + if sax is not NULL and sax.initialized and sax.initialized != xmlparser.XML_SAX2_MAGIC: + # need to extend SAX1 context to SAX2 to get proper error reports + if sax is &htmlparser.htmlDefaultSAXHandler: + sax = tree.xmlMalloc(sizeof(xmlparser.xmlSAXHandler)) + if sax is NULL: + raise MemoryError() + cstring_h.memcpy(sax, &htmlparser.htmlDefaultSAXHandler, + sizeof(htmlparser.htmlDefaultSAXHandler)) + c_ctxt.sax = sax + sax.initialized = xmlparser.XML_SAX2_MAGIC + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + sax.serror = _receiveParserError + sax.startElementNs = NULL + sax.endElementNs = NULL + sax._private = NULL + return 0 + + cdef xmlparser.xmlParserCtxt* _newParserCtxt(self) except NULL: + """ + Create and initialise a libxml2-level parser context. + """ + cdef xmlparser.xmlParserCtxt* c_ctxt + if self._for_html: + c_ctxt = htmlparser.htmlCreateMemoryParserCtxt('dummy', 5) + if c_ctxt is not NULL: + self._registerHtmlErrorHandler(c_ctxt) + else: + c_ctxt = xmlparser.xmlNewParserCtxt() + if c_ctxt is NULL: + raise MemoryError + c_ctxt.sax.startDocument = _initSaxDocument + return c_ctxt + + cdef xmlparser.xmlParserCtxt* _newPushParserCtxt(self) except NULL: + cdef xmlparser.xmlParserCtxt* c_ctxt + cdef char* c_filename = _cstr(self._filename) if self._filename is not None else NULL + if self._for_html: + c_ctxt = htmlparser.htmlCreatePushParserCtxt( + NULL, NULL, NULL, 0, c_filename, tree.XML_CHAR_ENCODING_NONE) + if c_ctxt is not NULL: + self._registerHtmlErrorHandler(c_ctxt) + htmlparser.htmlCtxtUseOptions(c_ctxt, self._parse_options) + else: + c_ctxt = xmlparser.xmlCreatePushParserCtxt( + NULL, NULL, NULL, 0, c_filename) + if c_ctxt is not NULL: + xmlparser.xmlCtxtUseOptions(c_ctxt, self._parse_options) + if c_ctxt is NULL: + raise MemoryError() + c_ctxt.sax.startDocument = _initSaxDocument + return c_ctxt + + @property + def error_log(self): + """The error log of the last parser run. + """ + cdef _ParserContext context + context = self._getParserContext() + return context._error_log.copy() + + @property + def resolvers(self): + """The custom resolver registry of this parser.""" + return self._resolvers + + @property + def version(self): + """The version of the underlying XML parser.""" + return "libxml2 %d.%d.%d" % LIBXML_VERSION + + def set_element_class_lookup(self, ElementClassLookup lookup = None): + """set_element_class_lookup(self, lookup = None) + + Set a lookup scheme for element classes generated from this parser. + + Reset it by passing None or nothing. + """ + self._class_lookup = lookup + + cdef _BaseParser _copy(self): + "Create a new parser with the same configuration." + cdef _BaseParser parser + parser = self.__class__() + parser._parse_options = self._parse_options + parser._for_html = self._for_html + parser._remove_comments = self._remove_comments + parser._remove_pis = self._remove_pis + parser._strip_cdata = self._strip_cdata + parser._filename = self._filename + parser._resolvers = self._resolvers + parser.target = self.target + parser._class_lookup = self._class_lookup + parser._default_encoding = self._default_encoding + parser._schema = self._schema + parser._events_to_collect = self._events_to_collect + return parser + + def copy(self): + """copy(self) + + Create a new parser with the same configuration. + """ + return self._copy() + + def makeelement(self, _tag, attrib=None, nsmap=None, **_extra): + """makeelement(self, _tag, attrib=None, nsmap=None, **_extra) + + Creates a new element associated with this parser. + """ + return _makeElement(_tag, NULL, None, self, None, None, + attrib, nsmap, _extra) + + # internal parser methods + + cdef xmlDoc* _parseUnicodeDoc(self, utext, char* c_filename) except NULL: + """Parse unicode document, share dictionary if possible. + """ + cdef _ParserContext context + cdef xmlDoc* result + cdef xmlparser.xmlParserCtxt* pctxt + cdef Py_ssize_t py_buffer_len + cdef int buffer_len, c_kind + cdef const_char* c_text + cdef const_char* c_encoding = _PY_UNICODE_ENCODING + if python.PyUnicode_IS_READY(utext): + # PEP-393 string + c_text = python.PyUnicode_DATA(utext) + py_buffer_len = python.PyUnicode_GET_LENGTH(utext) + c_kind = python.PyUnicode_KIND(utext) + if c_kind == 1: + if python.PyUnicode_MAX_CHAR_VALUE(utext) <= 127: + c_encoding = 'UTF-8' + else: + c_encoding = 'ISO-8859-1' + elif c_kind == 2: + py_buffer_len *= 2 + if python.PY_BIG_ENDIAN: + c_encoding = 'UTF-16BE' # actually UCS-2 + else: + c_encoding = 'UTF-16LE' # actually UCS-2 + elif c_kind == 4: + py_buffer_len *= 4 + if python.PY_BIG_ENDIAN: + c_encoding = 'UTF-32BE' # actually UCS-4 + else: + c_encoding = 'UTF-32LE' # actually UCS-4 + else: + assert False, f"Illegal Unicode kind {c_kind}" + else: + # old Py_UNICODE string + py_buffer_len = python.PyUnicode_GET_DATA_SIZE(utext) + c_text = python.PyUnicode_AS_DATA(utext) + assert 0 <= py_buffer_len <= limits.INT_MAX + buffer_len = py_buffer_len + + context = self._getParserContext() + context.prepare() + try: + pctxt = context._c_ctxt + __GLOBAL_PARSER_CONTEXT.initParserDict(pctxt) + orig_options = pctxt.options + with nogil: + if self._for_html: + result = htmlparser.htmlCtxtReadMemory( + pctxt, c_text, buffer_len, c_filename, c_encoding, + self._parse_options) + if result is not NULL: + if _fixHtmlDictNames(pctxt.dict, result) < 0: + tree.xmlFreeDoc(result) + result = NULL + else: + result = xmlparser.xmlCtxtReadMemory( + pctxt, c_text, buffer_len, c_filename, c_encoding, + self._parse_options) + pctxt.options = orig_options # work around libxml2 problem + + return context._handleParseResultDoc(self, result, None) + finally: + context.cleanup() + + cdef xmlDoc* _parseDoc(self, const char* c_text, int c_len, char* c_filename) except NULL: + """Parse document, share dictionary if possible. + """ + cdef _ParserContext context + cdef xmlDoc* result + cdef xmlparser.xmlParserCtxt* pctxt + cdef char* c_encoding + cdef tree.xmlCharEncoding enc + context = self._getParserContext() + context.prepare() + try: + pctxt = context._c_ctxt + __GLOBAL_PARSER_CONTEXT.initParserDict(pctxt) + + if self._default_encoding is None: + c_encoding = NULL + # libxml2 (at least 2.9.3) does not recognise UTF-32 BOMs + # NOTE: limit to problematic cases because it changes character offsets + if c_len >= 4 and (c_text[0] == b'\xFF' and c_text[1] == b'\xFE' and + c_text[2] == 0 and c_text[3] == 0): + c_encoding = "UTF-32LE" + c_text += 4 + c_len -= 4 + elif c_len >= 4 and (c_text[0] == 0 and c_text[1] == 0 and + c_text[2] == b'\xFE' and c_text[3] == b'\xFF'): + c_encoding = "UTF-32BE" + c_text += 4 + c_len -= 4 + else: + # no BOM => try to determine encoding + enc = tree.xmlDetectCharEncoding(c_text, c_len) + if enc == tree.XML_CHAR_ENCODING_UCS4LE: + c_encoding = 'UTF-32LE' + elif enc == tree.XML_CHAR_ENCODING_UCS4BE: + c_encoding = 'UTF-32BE' + else: + c_encoding = _cstr(self._default_encoding) + + orig_options = pctxt.options + with nogil: + if self._for_html: + result = htmlparser.htmlCtxtReadMemory( + pctxt, c_text, c_len, c_filename, + c_encoding, self._parse_options) + if result is not NULL: + if _fixHtmlDictNames(pctxt.dict, result) < 0: + tree.xmlFreeDoc(result) + result = NULL + else: + result = xmlparser.xmlCtxtReadMemory( + pctxt, c_text, c_len, c_filename, + c_encoding, self._parse_options) + pctxt.options = orig_options # work around libxml2 problem + + return context._handleParseResultDoc(self, result, None) + finally: + context.cleanup() + + cdef xmlDoc* _parseDocFromFile(self, char* c_filename) except NULL: + cdef _ParserContext context + cdef xmlDoc* result + cdef xmlparser.xmlParserCtxt* pctxt + cdef char* c_encoding + result = NULL + + context = self._getParserContext() + context.prepare() + try: + pctxt = context._c_ctxt + __GLOBAL_PARSER_CONTEXT.initParserDict(pctxt) + + if self._default_encoding is None: + c_encoding = NULL + else: + c_encoding = _cstr(self._default_encoding) + + orig_options = pctxt.options + with nogil: + if self._for_html: + result = htmlparser.htmlCtxtReadFile( + pctxt, c_filename, c_encoding, self._parse_options) + if result is not NULL: + if _fixHtmlDictNames(pctxt.dict, result) < 0: + tree.xmlFreeDoc(result) + result = NULL + else: + result = xmlparser.xmlCtxtReadFile( + pctxt, c_filename, c_encoding, self._parse_options) + pctxt.options = orig_options # work around libxml2 problem + + return context._handleParseResultDoc(self, result, c_filename) + finally: + context.cleanup() + + cdef xmlDoc* _parseDocFromFilelike(self, filelike, filename, + encoding) except NULL: + cdef _ParserContext context + cdef _FileReaderContext file_context + cdef xmlDoc* result + cdef xmlparser.xmlParserCtxt* pctxt + cdef char* c_filename + if not filename: + filename = None + + context = self._getParserContext() + context.prepare() + try: + pctxt = context._c_ctxt + __GLOBAL_PARSER_CONTEXT.initParserDict(pctxt) + file_context = _FileReaderContext( + filelike, context, filename, + encoding or self._default_encoding) + result = file_context._readDoc(pctxt, self._parse_options) + + return context._handleParseResultDoc( + self, result, filename) + finally: + context.cleanup() + + +cdef tree.xmlEntity* _getInternalEntityOnly(void* ctxt, const_xmlChar* name) noexcept nogil: + """ + Callback function to intercept the entity resolution when external entity loading is disabled. + """ + cdef tree.xmlEntity* entity = xmlparser.xmlSAX2GetEntity(ctxt, name) + if not entity: + return NULL + if entity.etype not in ( + tree.xmlEntityType.XML_EXTERNAL_GENERAL_PARSED_ENTITY, + tree.xmlEntityType.XML_EXTERNAL_GENERAL_UNPARSED_ENTITY, + tree.xmlEntityType.XML_EXTERNAL_PARAMETER_ENTITY): + return entity + + # Reject all external entities and fail the parsing instead. There is currently + # no way in libxml2 to just prevent the entity resolution in this case. + cdef xmlerror.xmlError c_error + cdef xmlerror.xmlStructuredErrorFunc err_func + cdef xmlparser.xmlParserInput* parser_input + cdef void* err_context + + c_ctxt = ctxt + err_func = xmlerror.xmlStructuredError + if err_func: + parser_input = c_ctxt.input + # Copied from xmlVErrParser() in libxml2: get current input from stack. + if parser_input and parser_input.filename is NULL and c_ctxt.inputNr > 1: + parser_input = c_ctxt.inputTab[c_ctxt.inputNr - 2] + + c_error = xmlerror.xmlError( + domain=xmlerror.xmlErrorDomain.XML_FROM_PARSER, + code=xmlerror.xmlParserErrors.XML_ERR_EXT_ENTITY_STANDALONE, + level=xmlerror.xmlErrorLevel.XML_ERR_FATAL, + message=b"External entity resolution is disabled for security reasons " + b"when resolving '&%s;'. Use 'XMLParser(resolve_entities=True)' " + b"if you consider it safe to enable it.", + file=parser_input.filename, + node=entity, + str1= name, + str2=NULL, + str3=NULL, + line=parser_input.line if parser_input else 0, + int1=0, + int2=parser_input.col if parser_input else 0, + ) + err_context = xmlerror.xmlStructuredErrorContext + err_func(err_context, &c_error) + + c_ctxt.wellFormed = 0 + # The entity was looked up and does not need to be freed. + return NULL + + +cdef void _initSaxDocument(void* ctxt) noexcept with gil: + xmlparser.xmlSAX2StartDocument(ctxt) + c_ctxt = ctxt + c_doc = c_ctxt.myDoc + + # set up document dict + if c_doc and c_ctxt.dict and not c_doc.dict: + # I have no idea why libxml2 disables this - we need it + c_ctxt.dictNames = 1 + c_doc.dict = c_ctxt.dict + xmlparser.xmlDictReference(c_ctxt.dict) + + # set up XML ID hash table + if c_ctxt._private: + context = <_ParserContext>c_ctxt._private + if context._collect_ids: + # keep the global parser dict from filling up with XML IDs + if c_doc and not c_doc.ids: + # memory errors are not fatal here + c_dict = xmlparser.xmlDictCreate() + if c_dict: + c_doc.ids = tree.xmlHashCreateDict(0, c_dict) + xmlparser.xmlDictFree(c_dict) + else: + c_doc.ids = tree.xmlHashCreate(0) + else: + c_ctxt.loadsubset |= xmlparser.XML_SKIP_IDS + if c_doc and c_doc.ids and not tree.xmlHashSize(c_doc.ids): + # already initialised but empty => clear + tree.xmlHashFree(c_doc.ids, NULL) + c_doc.ids = NULL + + +############################################################ +## ET feed parser +############################################################ + +cdef class _FeedParser(_BaseParser): + cdef bint _feed_parser_running + + @property + def feed_error_log(self): + """The error log of the last (or current) run of the feed parser. + + Note that this is local to the feed parser and thus is + different from what the ``error_log`` property returns. + """ + return self._getPushParserContext()._error_log.copy() + + cpdef feed(self, data): + """feed(self, data) + + Feeds data to the parser. The argument should be an 8-bit string + buffer containing encoded data, although Unicode is supported as long + as both string types are not mixed. + + This is the main entry point to the consumer interface of a + parser. The parser will parse as much of the XML stream as it + can on each call. To finish parsing or to reset the parser, + call the ``close()`` method. Both methods may raise + ParseError if errors occur in the input data. If an error is + raised, there is no longer a need to call ``close()``. + + The feed parser interface is independent of the normal parser + usage. You can use the same parser as a feed parser and in + the ``parse()`` function concurrently. + """ + cdef _ParserContext context + cdef bytes bstring + cdef xmlparser.xmlParserCtxt* pctxt + cdef Py_ssize_t py_buffer_len, ustart + cdef const_char* char_data + cdef const_char* c_encoding + cdef int buffer_len + cdef int error + cdef bint recover = self._parse_options & xmlparser.XML_PARSE_RECOVER + + if isinstance(data, bytes): + if self._default_encoding is None: + c_encoding = NULL + else: + c_encoding = self._default_encoding + char_data = _cstr(data) + py_buffer_len = python.PyBytes_GET_SIZE(data) + ustart = 0 + elif isinstance(data, unicode): + c_encoding = b"UTF-8" + char_data = NULL + py_buffer_len = len( data) + ustart = 0 + else: + raise TypeError, "Parsing requires string data" + + context = self._getPushParserContext() + pctxt = context._c_ctxt + error = 0 + if not self._feed_parser_running: + context.prepare(set_document_loader=False) + self._feed_parser_running = 1 + c_filename = (_cstr(self._filename) + if self._filename is not None else NULL) + + # We have to give *mlCtxtResetPush() enough input to figure + # out the character encoding (at least four bytes), + # however if we give it all we got, we'll have nothing for + # *mlParseChunk() and things go wrong. + buffer_len = 0 + if char_data is not NULL: + buffer_len = 4 if py_buffer_len > 4 else py_buffer_len + orig_loader = _register_document_loader() + if self._for_html: + error = _htmlCtxtResetPush( + pctxt, char_data, buffer_len, c_filename, c_encoding, + self._parse_options) + else: + xmlparser.xmlCtxtUseOptions(pctxt, self._parse_options) + error = xmlparser.xmlCtxtResetPush( + pctxt, char_data, buffer_len, c_filename, c_encoding) + _reset_document_loader(orig_loader) + py_buffer_len -= buffer_len + char_data += buffer_len + if error: + raise MemoryError() + __GLOBAL_PARSER_CONTEXT.initParserDict(pctxt) + + #print pctxt.charset, 'NONE' if c_encoding is NULL else c_encoding + + fixup_error = 0 + while py_buffer_len > 0 and (error == 0 or recover): + if char_data is NULL: + # Unicode parsing by converting chunks to UTF-8 + buffer_len = 2**19 # len(bytes) <= 4 * (2**19) == 2 MiB + bstring = ( data)[ustart : ustart+buffer_len].encode('UTF-8') + ustart += buffer_len + py_buffer_len -= buffer_len # may end up < 0 + error, fixup_error = _parse_data_chunk(pctxt, bstring, len(bstring)) + else: + # Direct byte string parsing. + buffer_len = py_buffer_len if py_buffer_len <= limits.INT_MAX else limits.INT_MAX + error, fixup_error = _parse_data_chunk(pctxt, char_data, buffer_len) + py_buffer_len -= buffer_len + char_data += buffer_len + + if fixup_error: + context.store_exception(MemoryError()) + + if context._has_raised(): + # propagate Python exceptions immediately + recover = 0 + error = 1 + break + + if error and not pctxt.replaceEntities and not pctxt.validate: + # in this mode, we ignore errors about undefined entities + for entry in context._error_log.filter_from_errors(): + if entry.type != ErrorTypes.WAR_UNDECLARED_ENTITY and \ + entry.type != ErrorTypes.ERR_UNDECLARED_ENTITY: + break + else: + error = 0 + + if not pctxt.wellFormed and xmlparser.xmlCtxtIsStopped(pctxt) and context._has_raised(): + # propagate Python exceptions immediately + recover = 0 + error = 1 + + if fixup_error or not recover and (error or not pctxt.wellFormed): + self._feed_parser_running = 0 + try: + context._handleParseResult(self, pctxt.myDoc, None) + finally: + context.cleanup() + + cpdef close(self): + """close(self) + + Terminates feeding data to this parser. This tells the parser to + process any remaining data in the feed buffer, and then returns the + root Element of the tree that was parsed. + + This method must be called after passing the last chunk of data into + the ``feed()`` method. It should only be called when using the feed + parser interface, all other usage is undefined. + """ + if not self._feed_parser_running: + raise XMLSyntaxError("no element found", + xmlerror.XML_ERR_INTERNAL_ERROR, 0, 0, + self._filename) + + context = self._getPushParserContext() + pctxt = context._c_ctxt + + self._feed_parser_running = 0 + if self._for_html: + htmlparser.htmlParseChunk(pctxt, NULL, 0, 1) + else: + xmlparser.xmlParseChunk(pctxt, NULL, 0, 1) + + if (pctxt.recovery and not xmlparser.xmlCtxtIsStopped(pctxt) and + isinstance(context, _SaxParserContext)): + # apply any left-over 'end' events + (<_SaxParserContext>context).flushEvents() + + try: + result = context._handleParseResult(self, pctxt.myDoc, None) + finally: + context.cleanup() + + if isinstance(result, _Document): + return (<_Document>result).getroot() + else: + return result + + +cdef (int, int) _parse_data_chunk(xmlparser.xmlParserCtxt* c_ctxt, + const char* char_data, int buffer_len): + fixup_error = 0 + with nogil: + if c_ctxt.html: + c_node = c_ctxt.node # last node where the parser stopped + orig_loader = _register_document_loader() + error = htmlparser.htmlParseChunk(c_ctxt, char_data, buffer_len, 0) + _reset_document_loader(orig_loader) + # and now for the fun part: move node names to the dict + if c_ctxt.myDoc: + fixup_error = _fixHtmlDictSubtreeNames( + c_ctxt.dict, c_ctxt.myDoc, c_node) + if c_ctxt.myDoc.dict and c_ctxt.myDoc.dict is not c_ctxt.dict: + xmlparser.xmlDictFree(c_ctxt.myDoc.dict) + c_ctxt.myDoc.dict = c_ctxt.dict + xmlparser.xmlDictReference(c_ctxt.dict) + else: + orig_loader = _register_document_loader() + error = xmlparser.xmlParseChunk(c_ctxt, char_data, buffer_len, 0) + _reset_document_loader(orig_loader) + return (error, fixup_error) + + +cdef int _htmlCtxtResetPush(xmlparser.xmlParserCtxt* c_ctxt, + const_char* c_data, int buffer_len, + const_char* c_filename, const_char* c_encoding, + int parse_options) except -1: + cdef xmlparser.xmlParserInput* c_input_stream + # libxml2 lacks an HTML push parser setup function + error = xmlparser.xmlCtxtResetPush( + c_ctxt, c_data, buffer_len, c_filename, c_encoding) + if error: + return error + + # fix libxml2 setup for HTML + if tree.LIBXML_VERSION < 21400: + c_ctxt.progressive = 1 # TODO: remove + c_ctxt.html = 1 + htmlparser.htmlCtxtUseOptions(c_ctxt, parse_options) + + return 0 + + +############################################################ +## XML parser +############################################################ + +cdef int _XML_DEFAULT_PARSE_OPTIONS +_XML_DEFAULT_PARSE_OPTIONS = ( + xmlparser.XML_PARSE_NOENT | + xmlparser.XML_PARSE_NOCDATA | + xmlparser.XML_PARSE_NONET | + xmlparser.XML_PARSE_COMPACT | + xmlparser.XML_PARSE_BIG_LINES +) + +cdef class XMLParser(_FeedParser): + """XMLParser(self, encoding=None, attribute_defaults=False, dtd_validation=False, \ + load_dtd=False, no_network=True, decompress=False, ns_clean=False, \ + recover=False, schema: XMLSchema =None, huge_tree=False, \ + remove_blank_text=False, resolve_entities='internal', \ + remove_comments=False, remove_pis=False, strip_cdata=True, \ + collect_ids=True, target=None, compact=True) + + The XML parser. + + Parsers can be supplied as additional argument to various parse + functions of the lxml API. A default parser is always available + and can be replaced by a call to the global function + 'set_default_parser'. New parsers can be created at any time + without a major run-time overhead. + + The keyword arguments in the constructor are mainly based on the + libxml2 parser configuration. A DTD will also be loaded if DTD + validation or attribute default values are requested (unless you + additionally provide an XMLSchema from which the default + attributes can be read). + + Available boolean keyword arguments: + + - attribute_defaults - inject default attributes from DTD or XMLSchema + - dtd_validation - validate against a DTD referenced by the document + - load_dtd - use DTD for parsing + - no_network - prevent network access for related files (default: True) + - decompress - automatically decompress gzip input + (default: False, changed in lxml 6.0, disabling only affects libxml2 2.15+) + - ns_clean - clean up redundant namespace declarations + - recover - try hard to parse through broken XML + - remove_blank_text - discard blank text nodes that appear ignorable + - remove_comments - discard comments + - remove_pis - discard processing instructions + - strip_cdata - replace CDATA sections by normal text content (default: True) + - compact - save memory for short text content (default: True) + - collect_ids - use a hash table of XML IDs for fast access + (default: True, always True with DTD validation) + - huge_tree - disable security restrictions and support very deep trees + and very long text content + + Other keyword arguments: + + - resolve_entities - replace entities by their text value: False for keeping the + entity references, True for resolving them, and 'internal' for resolving + internal definitions only (no external file/URL access). + The default used to be True and was changed to 'internal' in lxml 5.0. + - encoding - override the document encoding (note: libiconv encoding name) + - target - a parser target object that will receive the parse events + - schema - an XMLSchema to validate against + + Note that you should avoid sharing parsers between threads. While this is + not harmful, it is more efficient to use separate parsers. This does not + apply to the default parser. + """ + def __init__(self, *, encoding=None, attribute_defaults=False, + dtd_validation=False, load_dtd=False, no_network=True, decompress=False, + ns_clean=False, recover=False, XMLSchema schema=None, + huge_tree=False, remove_blank_text=False, resolve_entities='internal', + remove_comments=False, remove_pis=False, strip_cdata=True, + collect_ids=True, target=None, compact=True): + cdef int parse_options + cdef bint resolve_external = True + parse_options = _XML_DEFAULT_PARSE_OPTIONS + if load_dtd: + parse_options = parse_options | xmlparser.XML_PARSE_DTDLOAD + if dtd_validation: + parse_options = parse_options | xmlparser.XML_PARSE_DTDVALID | \ + xmlparser.XML_PARSE_DTDLOAD + if attribute_defaults: + parse_options = parse_options | xmlparser.XML_PARSE_DTDATTR + if schema is None: + parse_options = parse_options | xmlparser.XML_PARSE_DTDLOAD + if ns_clean: + parse_options = parse_options | xmlparser.XML_PARSE_NSCLEAN + if recover: + parse_options = parse_options | xmlparser.XML_PARSE_RECOVER + if remove_blank_text: + parse_options = parse_options | xmlparser.XML_PARSE_NOBLANKS + if huge_tree: + parse_options = parse_options | xmlparser.XML_PARSE_HUGE + if not no_network: + parse_options = parse_options ^ xmlparser.XML_PARSE_NONET + if not compact: + parse_options = parse_options ^ xmlparser.XML_PARSE_COMPACT + if not resolve_entities: + parse_options = parse_options ^ xmlparser.XML_PARSE_NOENT + elif resolve_entities == 'internal': + resolve_external = False + if not strip_cdata: + parse_options = parse_options ^ xmlparser.XML_PARSE_NOCDATA + if decompress: + parse_options |= xmlparser.XML_PARSE_UNZIP + + _BaseParser.__init__(self, parse_options, False, schema, + remove_comments, remove_pis, strip_cdata, + collect_ids, target, encoding, resolve_external) + + # Allow subscripting XMLParser in type annotations (PEP 560) + def __class_getitem__(cls, item): + return _GenericAlias(cls, item) + + +cdef class XMLPullParser(XMLParser): + """XMLPullParser(self, events=None, *, tag=None, **kwargs) + + XML parser that collects parse events in an iterator. + + The collected events are the same as for iterparse(), but the + parser itself is non-blocking in the sense that it receives + data chunks incrementally through its .feed() method, instead + of reading them directly from a file(-like) object all by itself. + + By default, it collects Element end events. To change that, + pass any subset of the available events into the ``events`` + argument: ``'start'``, ``'end'``, ``'start-ns'``, + ``'end-ns'``, ``'comment'``, ``'pi'``. + + To support loading external dependencies relative to the input + source, you can pass the ``base_url``. + """ + def __init__(self, events=None, *, tag=None, base_url=None, **kwargs): + XMLParser.__init__(self, **kwargs) + if events is None: + events = ('end',) + self._setBaseURL(base_url) + self._collectEvents(events, tag) + + def read_events(self): + return (<_SaxParserContext?>self._getPushParserContext()).events_iterator + + +cdef class ETCompatXMLParser(XMLParser): + """ETCompatXMLParser(self, encoding=None, attribute_defaults=False, \ + dtd_validation=False, load_dtd=False, no_network=True, decompress=False, \ + ns_clean=False, recover=False, schema=None, \ + huge_tree=False, remove_blank_text=False, resolve_entities='internal', \ + remove_comments=True, remove_pis=True, strip_cdata=True, \ + target=None, compact=True) + + An XML parser with an ElementTree compatible default setup. + + See the XMLParser class for details. + + This parser has ``remove_comments`` and ``remove_pis`` enabled by default + and thus ignores comments and processing instructions. + + The default value of ``resolve_entities`` used to be True and was changed to + 'internal' in lxml 6.1. + """ + def __init__(self, *, encoding=None, attribute_defaults=False, + dtd_validation=False, load_dtd=False, no_network=True, decompress=False, + ns_clean=False, recover=False, schema=None, + huge_tree=False, remove_blank_text=False, resolve_entities='internal', + remove_comments=True, remove_pis=True, strip_cdata=True, + target=None, compact=True): + XMLParser.__init__(self, + attribute_defaults=attribute_defaults, + dtd_validation=dtd_validation, + load_dtd=load_dtd, + no_network=no_network, + decompress=decompress, + ns_clean=ns_clean, + recover=recover, + remove_blank_text=remove_blank_text, + huge_tree=huge_tree, + compact=compact, + resolve_entities=resolve_entities, + remove_comments=remove_comments, + remove_pis=remove_pis, + strip_cdata=strip_cdata, + target=target, + encoding=encoding, + schema=schema, + ) + +# ET 1.2 compatible name +XMLTreeBuilder = ETCompatXMLParser + + +cdef XMLParser __DEFAULT_XML_PARSER +__DEFAULT_XML_PARSER = XMLParser() + +__GLOBAL_PARSER_CONTEXT.setDefaultParser(__DEFAULT_XML_PARSER) + +def set_default_parser(_BaseParser parser=None): + """set_default_parser(parser=None) + + Set a default parser for the current thread. This parser is used + globally whenever no parser is supplied to the various parse functions of + the lxml API. If this function is called without a parser (or if it is + None), the default parser is reset to the original configuration. + + Note that the pre-installed default parser is not thread-safe. Avoid the + default parser in multi-threaded environments. You can create a separate + parser for each thread explicitly or use a parser pool. + """ + if parser is None: + parser = __DEFAULT_XML_PARSER + __GLOBAL_PARSER_CONTEXT.setDefaultParser(parser) + +def get_default_parser(): + "get_default_parser()" + return __GLOBAL_PARSER_CONTEXT.getDefaultParser() + +############################################################ +## HTML parser +############################################################ + +cdef int _HTML_DEFAULT_PARSE_OPTIONS +_HTML_DEFAULT_PARSE_OPTIONS = ( + htmlparser.HTML_PARSE_RECOVER | + htmlparser.HTML_PARSE_NONET | + htmlparser.HTML_PARSE_COMPACT + ) + +cdef object _UNUSED = object() + +cdef class HTMLParser(_FeedParser): + """HTMLParser(self, encoding=None, remove_blank_text=False, \ + remove_comments=False, remove_pis=False, \ + no_network=True, decompress=False, target=None, schema: XMLSchema =None, \ + recover=True, compact=True, collect_ids=True, huge_tree=False) + + The HTML parser. + + This parser allows reading HTML into a normal XML tree. By + default, it can read broken (non well-formed) HTML, depending on + the capabilities of libxml2. Use the 'recover' option to switch + this off. + + Available boolean keyword arguments: + + - recover - try hard to parse through broken HTML (default: True) + - no_network - prevent network access for related files (default: True) + - decompress - automatically decompress gzip input + (default: False, changed in lxml 6.0, disabling only affects libxml2 2.15+) + - remove_blank_text - discard empty text nodes that are ignorable (i.e. not actual text content) + - remove_comments - discard comments + - remove_pis - discard processing instructions + - compact - save memory for short text content (default: True) + - default_doctype - add a default doctype even if it is not found in the HTML (default: True) + - collect_ids - use a hash table of XML IDs for fast access (default: True) + - huge_tree - disable security restrictions and support very deep trees + and very long text content + + Other keyword arguments: + + - encoding - override the document encoding (note: libiconv encoding name) + - target - a parser target object that will receive the parse events + - schema - an XMLSchema to validate against + + Note that you should avoid sharing parsers between threads for performance + reasons. + """ + def __init__(self, *, encoding=None, remove_blank_text=False, + remove_comments=False, remove_pis=False, strip_cdata=_UNUSED, + no_network=True, decompress=False, target=None, XMLSchema schema=None, + recover=True, compact=True, default_doctype=True, + collect_ids=True, huge_tree=False): + cdef int parse_options + parse_options = _HTML_DEFAULT_PARSE_OPTIONS + if remove_blank_text: + parse_options = parse_options | htmlparser.HTML_PARSE_NOBLANKS + if not recover: + parse_options = parse_options ^ htmlparser.HTML_PARSE_RECOVER + if not no_network: + parse_options = parse_options ^ htmlparser.HTML_PARSE_NONET + if not compact: + parse_options = parse_options ^ htmlparser.HTML_PARSE_COMPACT + if not default_doctype: + parse_options = parse_options ^ htmlparser.HTML_PARSE_NODEFDTD + if huge_tree: + parse_options = parse_options | xmlparser.XML_PARSE_HUGE + if decompress: + parse_options |= xmlparser.XML_PARSE_UNZIP + + if strip_cdata is not _UNUSED: + import warnings + warnings.warn( + "The 'strip_cdata' option of HTMLParser() has never done anything and will eventually be removed.", + DeprecationWarning) + _BaseParser.__init__(self, parse_options, True, schema, + remove_comments, remove_pis, strip_cdata, + collect_ids, target, encoding) + + # Allow subscripting HTMLParser in type annotations (PEP 560) + def __class_getitem__(cls, item): + return _GenericAlias(cls, item) + + +cdef HTMLParser __DEFAULT_HTML_PARSER +__DEFAULT_HTML_PARSER = HTMLParser() + + +cdef class HTMLPullParser(HTMLParser): + """HTMLPullParser(self, events=None, *, tag=None, base_url=None, **kwargs) + + HTML parser that collects parse events in an iterator. + + The collected events are the same as for iterparse(), but the + parser itself is non-blocking in the sense that it receives + data chunks incrementally through its .feed() method, instead + of reading them directly from a file(-like) object all by itself. + + By default, it collects Element end events. To change that, + pass any subset of the available events into the ``events`` + argument: ``'start'``, ``'end'``, ``'start-ns'``, + ``'end-ns'``, ``'comment'``, ``'pi'``. + + To support loading external dependencies relative to the input + source, you can pass the ``base_url``. + """ + def __init__(self, events=None, *, tag=None, base_url=None, **kwargs): + HTMLParser.__init__(self, **kwargs) + if events is None: + events = ('end',) + self._setBaseURL(base_url) + self._collectEvents(events, tag) + + def read_events(self): + return (<_SaxParserContext?>self._getPushParserContext()).events_iterator + + +############################################################ +## helper functions for document creation +############################################################ + +cdef xmlDoc* _parseDoc(text, filename, _BaseParser parser) except NULL: + cdef char* c_filename + if parser is None: + parser = __GLOBAL_PARSER_CONTEXT.getDefaultParser() + if not filename: + c_filename = NULL + else: + filename_utf = _encodeFilenameUTF8(filename) + c_filename = _cstr(filename_utf) + if isinstance(text, bytes): + return _parseDoc_bytes( text, filename, c_filename, parser) + elif isinstance(text, unicode): + return _parseDoc_unicode( text, filename, c_filename, parser) + else: + return _parseDoc_charbuffer(text, filename, c_filename, parser) + + +cdef xmlDoc* _parseDoc_unicode(unicode text, filename, char* c_filename, _BaseParser parser) except NULL: + cdef Py_ssize_t c_len + if python.PyUnicode_IS_READY(text): + # PEP-393 Unicode string + c_len = python.PyUnicode_GET_LENGTH(text) * python.PyUnicode_KIND(text) + else: + # old Py_UNICODE string + c_len = python.PyUnicode_GET_DATA_SIZE(text) + if c_len > limits.INT_MAX: + return parser._parseDocFromFilelike( + StringIO(text), filename, None) + return parser._parseUnicodeDoc(text, c_filename) + + +cdef xmlDoc* _parseDoc_bytes(bytes text, filename, char* c_filename, _BaseParser parser) except NULL: + cdef Py_ssize_t c_len = len(text) + if c_len > limits.INT_MAX: + return parser._parseDocFromFilelike(BytesIO(text), filename, None) + return parser._parseDoc(text, c_len, c_filename) + + +cdef xmlDoc* _parseDoc_charbuffer(text, filename, char* c_filename, _BaseParser parser) except NULL: + cdef const unsigned char[::1] data = memoryview(text).cast('B') # cast to 'unsigned char' buffer + cdef Py_ssize_t c_len = len(data) + if c_len > limits.INT_MAX: + return parser._parseDocFromFilelike(BytesIO(text), filename, None) + return parser._parseDoc(&data[0], c_len, c_filename) + + +cdef xmlDoc* _parseDocFromFile(filename8, _BaseParser parser) except NULL: + if parser is None: + parser = __GLOBAL_PARSER_CONTEXT.getDefaultParser() + return (<_BaseParser>parser)._parseDocFromFile(_cstr(filename8)) + + +cdef xmlDoc* _parseDocFromFilelike(source, filename, + _BaseParser parser) except NULL: + if parser is None: + parser = __GLOBAL_PARSER_CONTEXT.getDefaultParser() + return (<_BaseParser>parser)._parseDocFromFilelike(source, filename, None) + + +cdef xmlDoc* _newXMLDoc() except NULL: + cdef xmlDoc* result + result = tree.xmlNewDoc(NULL) + if result is NULL: + raise MemoryError() + if result.encoding is NULL: + result.encoding = tree.xmlStrdup("UTF-8") + __GLOBAL_PARSER_CONTEXT.initDocDict(result) + return result + +cdef xmlDoc* _newHTMLDoc() except NULL: + cdef xmlDoc* result + result = tree.htmlNewDoc(NULL, NULL) + if result is NULL: + raise MemoryError() + __GLOBAL_PARSER_CONTEXT.initDocDict(result) + return result + + +cdef xmlDoc* _copyDoc(xmlDoc* c_doc, int recursive) except NULL: + """Return a copy of c_doc, without moving the names into the dict.""" + cdef xmlDoc* result + if recursive: + with nogil: + result = tree.xmlCopyDoc(c_doc, recursive) + else: + result = tree.xmlCopyDoc(c_doc, 0) + if result is NULL: + raise MemoryError() + __GLOBAL_PARSER_CONTEXT.initDocDict(result) + return result + + +cdef xmlDoc* _copyDocRoot(xmlDoc* c_doc, xmlNode* c_new_root) except NULL: + """Recursively copy the document and make c_new_root the new root node.""" + cdef xmlDoc* result + cdef xmlNode* c_node + result = tree.xmlCopyDoc(c_doc, 0) # non recursive + if result is NULL: + raise MemoryError() + __GLOBAL_PARSER_CONTEXT.initDocDict(result) + + with nogil: + c_node = tree.xmlDocCopyNode(c_new_root, result, 1) # recursive + if c_node is NULL: + tree.xmlFreeDoc(result) + raise MemoryError() + + tree.xmlDocSetRootElement(result, c_node) + # Copy the tail text after setting the root element since libxml2 otherwise unlinks the tail. + _copyTail(c_new_root.next, c_node) + return result + + +cdef xmlNode* _copyNodeToDoc(xmlNode* c_node, xmlDoc* c_doc) except NULL: + """Recursively copy the element into the document. c_doc is not modified.""" + cdef xmlNode* c_root + c_root = tree.xmlDocCopyNode(c_node, c_doc, 1) # recursive + if c_root is NULL: + raise MemoryError() + _copyTail(c_node.next, c_root) + return c_root + + +############################################################ +## API level helper functions for _Document creation +############################################################ + +cdef _Document _parseDocument(source, _BaseParser parser, base_url): + cdef _Document doc + source = _getFSPathOrObject(source) + if _isString(source): + # parse the file directly from the filesystem + doc = _parseDocumentFromURL(_encodeFilename(source), parser) + # fix base URL if requested + if base_url is not None: + base_url = _encodeFilenameUTF8(base_url) + if doc._c_doc.URL is not NULL: + tree.xmlFree(doc._c_doc.URL) + doc._c_doc.URL = tree.xmlStrdup(_xcstr(base_url)) + return doc + + if base_url is not None: + url = base_url + else: + url = _getFilenameForFile(source) + + if hasattr(source, 'getvalue') and hasattr(source, 'tell'): + # StringIO - reading from start? + if source.tell() == 0: + return _parseMemoryDocument(source.getvalue(), url, parser) + + # Support for file-like objects (urlgrabber.urlopen, ...) + if hasattr(source, 'read'): + return _parseFilelikeDocument(source, url, parser) + + raise TypeError, f"cannot parse from '{python._fqtypename(source).decode('UTF-8')}'" + +cdef _Document _parseDocumentFromURL(url, _BaseParser parser): + c_doc = _parseDocFromFile(url, parser) + return _documentFactory(c_doc, parser) + +cdef _Document _parseMemoryDocument(text, url, _BaseParser parser): + if isinstance(text, unicode): + if _hasEncodingDeclaration(text): + raise ValueError( + "Unicode strings with encoding declaration are not supported. " + "Please use bytes input or XML fragments without declaration.") + c_doc = _parseDoc(text, url, parser) + return _documentFactory(c_doc, parser) + +cdef _Document _parseFilelikeDocument(source, url, _BaseParser parser): + c_doc = _parseDocFromFilelike(source, url, parser) + return _documentFactory(c_doc, parser) diff --git a/.venv/lib/python3.12/site-packages/lxml/parsertarget.pxi b/.venv/lib/python3.12/site-packages/lxml/parsertarget.pxi new file mode 100644 index 0000000000000000000000000000000000000000..37c29957dd12e7a685a6450c408baa68e2c3de02 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/parsertarget.pxi @@ -0,0 +1,180 @@ +# Parser target context (ET target interface) + +cdef object inspect_getargspec +try: + from inspect import getfullargspec as inspect_getargspec +except ImportError: + from inspect import getargspec as inspect_getargspec + + +class _TargetParserResult(Exception): + # Admittedly, this is somewhat ugly, but it's the easiest way + # to push the Python level parser result through the parser + # machinery towards the API level functions + def __init__(self, result): + self.result = result + + +@cython.final +@cython.internal +cdef class _PythonSaxParserTarget(_SaxParserTarget): + cdef object _target_start + cdef object _target_end + cdef object _target_data + cdef object _target_start_ns + cdef object _target_end_ns + cdef object _target_doctype + cdef object _target_pi + cdef object _target_comment + cdef bint _start_takes_nsmap + + def __cinit__(self, target): + cdef int event_filter + event_filter = 0 + self._start_takes_nsmap = 0 + try: + self._target_start = target.start + if self._target_start is not None: + event_filter |= SAX_EVENT_START + except AttributeError: + pass + else: + try: + arguments = inspect_getargspec(self._target_start) + if len(arguments[0]) > 3 or arguments[1] is not None: + self._start_takes_nsmap = 1 + except TypeError: + pass + try: + self._target_end = target.end + if self._target_end is not None: + event_filter |= SAX_EVENT_END + except AttributeError: + pass + try: + self._target_start_ns = target.start_ns + if self._target_start_ns is not None: + event_filter |= SAX_EVENT_START_NS + except AttributeError: + pass + try: + self._target_end_ns = target.end_ns + if self._target_end_ns is not None: + event_filter |= SAX_EVENT_END_NS + except AttributeError: + pass + try: + self._target_data = target.data + if self._target_data is not None: + event_filter |= SAX_EVENT_DATA + except AttributeError: + pass + try: + self._target_doctype = target.doctype + if self._target_doctype is not None: + event_filter |= SAX_EVENT_DOCTYPE + except AttributeError: + pass + try: + self._target_pi = target.pi + if self._target_pi is not None: + event_filter |= SAX_EVENT_PI + except AttributeError: + pass + try: + self._target_comment = target.comment + if self._target_comment is not None: + event_filter |= SAX_EVENT_COMMENT + except AttributeError: + pass + self._sax_event_filter = event_filter + + cdef _handleSaxStart(self, tag, attrib, nsmap): + if self._start_takes_nsmap: + return self._target_start(tag, attrib, nsmap) + else: + return self._target_start(tag, attrib) + + cdef _handleSaxEnd(self, tag): + return self._target_end(tag) + + cdef _handleSaxStartNs(self, prefix, uri): + return self._target_start_ns(prefix, uri) + + cdef _handleSaxEndNs(self, prefix): + return self._target_end_ns(prefix) + + cdef int _handleSaxData(self, data) except -1: + self._target_data(data) + + cdef int _handleSaxDoctype(self, root_tag, public_id, system_id) except -1: + self._target_doctype(root_tag, public_id, system_id) + + cdef _handleSaxPi(self, target, data): + return self._target_pi(target, data) + + cdef _handleSaxComment(self, comment): + return self._target_comment(comment) + + +@cython.final +@cython.internal +@cython.no_gc_clear # Required because parent class uses it - Cython bug. +cdef class _TargetParserContext(_SaxParserContext): + """This class maps SAX2 events to the ET parser target interface. + """ + cdef object _python_target + cdef int _setTarget(self, target) except -1: + self._python_target = target + if not isinstance(target, _SaxParserTarget) or \ + hasattr(target, '__dict__'): + target = _PythonSaxParserTarget(target) + self._setSaxParserTarget(target) + return 0 + + cdef _ParserContext _copy(self): + cdef _TargetParserContext context + context = _ParserContext._copy(self) + context._setTarget(self._python_target) + return context + + cdef void _cleanupTargetParserContext(self, xmlDoc* result) noexcept: + if self._c_ctxt.myDoc is not NULL: + if self._c_ctxt.myDoc is not result and \ + self._c_ctxt.myDoc._private is NULL: + # no _Document proxy => orphen + tree.xmlFreeDoc(self._c_ctxt.myDoc) + self._c_ctxt.myDoc = NULL + + cdef object _handleParseResult(self, _BaseParser parser, xmlDoc* result, + filename): + cdef bint recover + recover = parser._parse_options & xmlparser.XML_PARSE_RECOVER + try: + if self._has_raised(): + self._cleanupTargetParserContext(result) + self._raise_if_stored() + if not self._c_ctxt.wellFormed and not recover: + _raiseParseError(self._c_ctxt, filename, self._error_log) + except: + self._python_target.close() + raise + return self._python_target.close() + + cdef xmlDoc* _handleParseResultDoc(self, _BaseParser parser, + xmlDoc* result, filename) except NULL: + cdef bint recover + recover = parser._parse_options & xmlparser.XML_PARSE_RECOVER + if result is not NULL and result._private is NULL: + # no _Document proxy => orphen + tree.xmlFreeDoc(result) + try: + self._cleanupTargetParserContext(result) + self._raise_if_stored() + if not self._c_ctxt.wellFormed and not recover: + _raiseParseError(self._c_ctxt, filename, self._error_log) + except: + self._python_target.close() + raise + parse_result = self._python_target.close() + raise _TargetParserResult(parse_result) diff --git a/.venv/lib/python3.12/site-packages/lxml/proxy.pxi b/.venv/lib/python3.12/site-packages/lxml/proxy.pxi new file mode 100644 index 0000000000000000000000000000000000000000..8af7055cb5304aa5da50f751f96fc4162aa0f6c3 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/proxy.pxi @@ -0,0 +1,624 @@ +# Proxy functions and low level node allocation stuff + +# Proxies represent elements, their reference is stored in the C +# structure of the respective node to avoid multiple instantiation of +# the Python class. + +@cython.linetrace(False) +@cython.profile(False) +cdef inline _Element getProxy(xmlNode* c_node): + """Get a proxy for a given node. + """ + #print "getProxy for:", c_node + if c_node is not NULL and c_node._private is not NULL: + return <_Element>c_node._private + else: + return None + + +@cython.linetrace(False) +@cython.profile(False) +cdef inline bint hasProxy(xmlNode* c_node): + if c_node._private is NULL: + return False + return True + + +@cython.linetrace(False) +@cython.profile(False) +cdef inline int _registerProxy(_Element proxy, _Document doc, + xmlNode* c_node) except -1: + """Register a proxy and type for the node it's proxying for. + """ + #print "registering for:", proxy._c_node + assert not hasProxy(c_node), "double registering proxy!" + proxy._doc = doc + proxy._c_node = c_node + c_node._private = proxy + return 0 + + +@cython.linetrace(False) +@cython.profile(False) +cdef inline int _unregisterProxy(_Element proxy) except -1: + """Unregister a proxy for the node it's proxying for. + """ + cdef xmlNode* c_node = proxy._c_node + assert c_node._private is proxy, "Tried to unregister unknown proxy" + c_node._private = NULL + return 0 + + +################################################################################ +# temporarily make a node the root node of its document + +cdef xmlDoc* _fakeRootDoc(xmlDoc* c_base_doc, xmlNode* c_node) except NULL: + return _plainFakeRootDoc(c_base_doc, c_node, 1) + +cdef xmlDoc* _plainFakeRootDoc(xmlDoc* c_base_doc, xmlNode* c_node, + bint with_siblings) except NULL: + # build a temporary document that has the given node as root node + # note that copy and original must not be modified during its lifetime!! + # always call _destroyFakeDoc() after use! + cdef xmlNode* c_child + cdef xmlNode* c_root + cdef xmlNode* c_new_root + cdef xmlDoc* c_doc + if with_siblings or (c_node.prev is NULL and c_node.next is NULL): + c_root = tree.xmlDocGetRootElement(c_base_doc) + if c_root is c_node: + # already the root node, no siblings + return c_base_doc + + c_doc = _copyDoc(c_base_doc, 0) # non recursive! + c_new_root = tree.xmlDocCopyNode(c_node, c_doc, 2) if c_doc is not NULL else NULL # non recursive! + if c_new_root is NULL: + raise MemoryError() + tree.xmlDocSetRootElement(c_doc, c_new_root) + _copyParentNamespaces(c_node, c_new_root) + + c_new_root.children = c_node.children + c_new_root.last = c_node.last + c_new_root.next = c_new_root.prev = NULL + + # store original node + c_doc._private = c_node + + # divert parent pointers of children + c_child = c_new_root.children + while c_child is not NULL: + c_child.parent = c_new_root + c_child = c_child.next + + c_doc.children = c_new_root + return c_doc + +cdef void _destroyFakeDoc(xmlDoc* c_base_doc, xmlDoc* c_doc) noexcept: + # delete a temporary document + cdef xmlNode* c_child + cdef xmlNode* c_parent + cdef xmlNode* c_root + if c_doc is c_base_doc: + return + c_root = tree.xmlDocGetRootElement(c_doc) + + # restore parent pointers of children + c_parent = c_doc._private + c_child = c_root.children + while c_child is not NULL: + c_child.parent = c_parent + c_child = c_child.next + + # prevent recursive removal of children + c_root.children = c_root.last = NULL + tree.xmlFreeDoc(c_doc) + +cdef _Element _fakeDocElementFactory(_Document doc, xmlNode* c_element): + """Special element factory for cases where we need to create a fake + root document, but still need to instantiate arbitrary nodes from + it. If we instantiate the fake root node, things will turn bad + when it's destroyed. + + Instead, if we are asked to instantiate the fake root node, we + instantiate the original node instead. + """ + if c_element.doc is not doc._c_doc: + if c_element.doc._private is not NULL: + if c_element is c_element.doc.children: + c_element = c_element.doc._private + #assert c_element.type == tree.XML_ELEMENT_NODE + return _elementFactory(doc, c_element) + +################################################################################ +# support for freeing tree elements when proxy objects are destroyed + +cdef int attemptDeallocation(xmlNode* c_node) noexcept: + """Attempt deallocation of c_node (or higher up in tree). + """ + cdef xmlNode* c_top + # could be we actually aren't referring to the tree at all + if c_node is NULL: + #print "not freeing, node is NULL" + return 0 + c_top = getDeallocationTop(c_node) + if c_top is not NULL: + #print "freeing:", c_top.name + _removeText(c_top.next) # tail + tree.xmlFreeNode(c_top) + return 1 + return 0 + +cdef xmlNode* getDeallocationTop(xmlNode* c_node) noexcept: + """Return the top of the tree that can be deallocated, or NULL. + """ + cdef xmlNode* c_next + #print "trying to do deallocating:", c_node.type + if hasProxy(c_node): + #print "Not freeing: proxies still exist" + return NULL + while c_node.parent is not NULL: + c_node = c_node.parent + #print "checking:", c_current.type + if c_node.type == tree.XML_DOCUMENT_NODE or \ + c_node.type == tree.XML_HTML_DOCUMENT_NODE: + #print "not freeing: still in doc" + return NULL + # if we're still attached to the document, don't deallocate + if hasProxy(c_node): + #print "Not freeing: proxies still exist" + return NULL + # see whether we have children to deallocate + if not canDeallocateChildNodes(c_node): + return NULL + # see whether we have siblings to deallocate + c_next = c_node.prev + while c_next: + if _isElement(c_next): + if hasProxy(c_next) or not canDeallocateChildNodes(c_next): + return NULL + c_next = c_next.prev + c_next = c_node.next + while c_next: + if _isElement(c_next): + if hasProxy(c_next) or not canDeallocateChildNodes(c_next): + return NULL + c_next = c_next.next + return c_node + +cdef int canDeallocateChildNodes(xmlNode* c_parent) noexcept: + cdef xmlNode* c_node + c_node = c_parent.children + tree.BEGIN_FOR_EACH_ELEMENT_FROM(c_parent, c_node, 1) + if hasProxy(c_node): + return 0 + tree.END_FOR_EACH_ELEMENT_FROM(c_node) + return 1 + +################################################################################ +# fix _Document references and namespaces when a node changes documents + +cdef void _copyParentNamespaces(xmlNode* c_from_node, xmlNode* c_to_node) noexcept nogil: + """Copy the namespaces of all ancestors of c_from_node to c_to_node. + """ + cdef xmlNode* c_parent + cdef xmlNs* c_ns + cdef xmlNs* c_new_ns + cdef int prefix_known + c_parent = c_from_node.parent + while c_parent and (tree._isElementOrXInclude(c_parent) or + c_parent.type == tree.XML_DOCUMENT_NODE): + c_new_ns = c_parent.nsDef + while c_new_ns: + # libxml2 will check if the prefix is already defined + tree.xmlNewNs(c_to_node, c_new_ns.href, c_new_ns.prefix) + c_new_ns = c_new_ns.next + c_parent = c_parent.parent + + +ctypedef struct _ns_update_map: + xmlNs* old + xmlNs* new + + +ctypedef struct _nscache: + _ns_update_map* ns_map + size_t size + size_t last + + +cdef int _growNsCache(_nscache* c_ns_cache) except -1: + cdef _ns_update_map* ns_map_ptr + if c_ns_cache.size == 0: + c_ns_cache.size = 20 + else: + c_ns_cache.size *= 2 + ns_map_ptr = <_ns_update_map*> python.lxml_realloc( + c_ns_cache.ns_map, c_ns_cache.size, sizeof(_ns_update_map)) + if not ns_map_ptr: + python.lxml_free(c_ns_cache.ns_map) + c_ns_cache.ns_map = NULL + raise MemoryError() + c_ns_cache.ns_map = ns_map_ptr + return 0 + + +cdef inline int _appendToNsCache(_nscache* c_ns_cache, + xmlNs* c_old_ns, xmlNs* c_new_ns) except -1: + if c_ns_cache.last >= c_ns_cache.size: + _growNsCache(c_ns_cache) + c_ns_cache.ns_map[c_ns_cache.last] = _ns_update_map(old=c_old_ns, new=c_new_ns) + c_ns_cache.last += 1 + + +cdef int _stripRedundantNamespaceDeclarations(xmlNode* c_element, _nscache* c_ns_cache, + xmlNs** c_del_ns_list) except -1: + """Removes namespace declarations from an element that are already + defined in its parents. Does not free the xmlNs's, just prepends + them to the c_del_ns_list. + """ + cdef xmlNs* c_ns + cdef xmlNs* c_ns_next + cdef xmlNs** c_nsdef + # use a xmlNs** to handle assignments to "c_element.nsDef" correctly + c_nsdef = &c_element.nsDef + while c_nsdef[0] is not NULL: + c_ns = tree.xmlSearchNsByHref( + c_element.doc, c_element.parent, c_nsdef[0].href) + if c_ns is NULL: + # new namespace href => keep and cache the ns declaration + _appendToNsCache(c_ns_cache, c_nsdef[0], c_nsdef[0]) + c_nsdef = &c_nsdef[0].next + else: + # known namespace href => cache mapping and strip old ns + _appendToNsCache(c_ns_cache, c_nsdef[0], c_ns) + # cut out c_nsdef.next and prepend it to garbage chain + c_ns_next = c_nsdef[0].next + c_nsdef[0].next = c_del_ns_list[0] + c_del_ns_list[0] = c_nsdef[0] + c_nsdef[0] = c_ns_next + return 0 + + +cdef void _cleanUpFromNamespaceAdaptation(xmlNode* c_start_node, + _nscache* c_ns_cache, xmlNs* c_del_ns_list) noexcept: + # Try to recover from exceptions with really bad timing. We were in the middle + # of ripping out xmlNS-es and likely ran out of memory. Try to fix up the tree + # by re-adding the original xmlNs declarations (which might still be used in some + # places). + if c_ns_cache.ns_map: + python.lxml_free(c_ns_cache.ns_map) + if c_del_ns_list: + if not c_start_node.nsDef: + c_start_node.nsDef = c_del_ns_list + else: + c_ns = c_start_node.nsDef + while c_ns.next: + c_ns = c_ns.next + c_ns.next = c_del_ns_list + + +cdef int moveNodeToDocument(_Document doc, xmlDoc* c_source_doc, + xmlNode* c_element) except -1: + """Fix the xmlNs pointers of a node and its subtree that were moved. + + Originally copied from libxml2's xmlReconciliateNs(). Expects + libxml2 doc pointers of node to be correct already, but fixes + _Document references. + + For each node in the subtree, we do this: + + 1) Remove redundant declarations of namespace that are already + defined in its parents. + + 2) Replace namespaces that are *not* defined on the node or its + parents by the equivalent namespace declarations that *are* + defined on the node or its parents (possibly using a different + prefix). If a namespace is unknown, declare a new one on the + node. + + 3) Reassign the names of tags and attribute from the dict of the + target document *iff* it is different from the dict used in the + source subtree. + + 4) Set the Document reference to the new Document (if different). + This is done on backtracking to keep the original Document + alive as long as possible, until all its elements are updated. + + Note that the namespace declarations are removed from the tree in + step 1), but freed only after the complete subtree was traversed + and all occurrences were replaced by tree-internal pointers. + """ + cdef xmlNode* c_start_node + cdef xmlNode* c_node + cdef xmlDoc* c_doc = doc._c_doc + cdef tree.xmlAttr* c_attr + cdef char* c_name + cdef _nscache c_ns_cache = [NULL, 0, 0] + cdef xmlNs* c_del_ns_list = NULL + cdef proxy_count = 0 + + if not tree._isElementOrXInclude(c_element): + return 0 + + c_start_node = c_element + + tree.BEGIN_FOR_EACH_FROM(c_element, c_element, 1) + if tree._isElementOrXInclude(c_element): + if hasProxy(c_element): + proxy_count += 1 + + # 1) cut out namespaces defined here that are already known by + # the ancestors + if c_element.nsDef is not NULL: + try: + _stripRedundantNamespaceDeclarations(c_element, &c_ns_cache, &c_del_ns_list) + except: + _cleanUpFromNamespaceAdaptation(c_start_node, &c_ns_cache, c_del_ns_list) + raise + + # 2) make sure the namespaces of an element and its attributes + # are declared in this document (i.e. on the node or its parents) + if c_element.ns is not NULL: + _fixCNs(doc, c_start_node, c_element, &c_ns_cache, c_del_ns_list) + + c_node = c_element.properties + while c_node is not NULL: + if c_node.ns is not NULL: + _fixCNs(doc, c_start_node, c_node, &c_ns_cache, c_del_ns_list) + c_node = c_node.next + + tree.END_FOR_EACH_FROM(c_element) + + # free now unused namespace declarations + if c_del_ns_list is not NULL: + tree.xmlFreeNsList(c_del_ns_list) + + # cleanup + if c_ns_cache.ns_map is not NULL: + python.lxml_free(c_ns_cache.ns_map) + + # 3) fix the names in the tree if we moved it from a different thread + if doc._c_doc.dict is not c_source_doc.dict: + fixThreadDictNames(c_start_node, c_source_doc.dict, doc._c_doc.dict) + + # 4) fix _Document references + # (and potentially deallocate the source document) + if proxy_count > 0: + if proxy_count == 1 and c_start_node._private is not NULL: + proxy = getProxy(c_start_node) + if proxy is not None: + if proxy._doc is not doc: + proxy._doc = doc + else: + fixElementDocument(c_start_node, doc, proxy_count) + else: + fixElementDocument(c_start_node, doc, proxy_count) + + return 0 + + +cdef void _setTreeDoc(xmlNode* c_node, xmlDoc* c_doc) noexcept: + """Adaptation of 'xmlSetTreeDoc()' that deep-fixes the document links iteratively. + It avoids https://gitlab.gnome.org/GNOME/libxml2/issues/42 + """ + tree.BEGIN_FOR_EACH_FROM(c_node, c_node, 1) + if c_node.type == tree.XML_ELEMENT_NODE: + c_attr = c_node.properties + while c_attr: + if c_attr.atype == tree.XML_ATTRIBUTE_ID: + tree.xmlRemoveID(c_node.doc, c_attr) + c_attr.doc = c_doc + _fixDocChildren(c_attr.children, c_doc) + c_attr = c_attr.next + # Set doc link for all nodes, not only elements. + c_node.doc = c_doc + tree.END_FOR_EACH_FROM(c_node) + + +cdef inline void _fixDocChildren(xmlNode* c_child, xmlDoc* c_doc) noexcept: + while c_child: + c_child.doc = c_doc + if c_child.children: + _fixDocChildren(c_child.children, c_doc) + c_child = c_child.next + + +cdef int _fixCNs(_Document doc, xmlNode* c_start_node, xmlNode* c_node, + _nscache* c_ns_cache, xmlNs* c_del_ns_list) except -1: + cdef xmlNs* c_ns = NULL + cdef bint is_prefixed_attr = (c_node.type == tree.XML_ATTRIBUTE_NODE and c_node.ns.prefix) + + for ns_map in c_ns_cache.ns_map[:c_ns_cache.last]: + if c_node.ns is ns_map.old: + if is_prefixed_attr and not ns_map.new.prefix: + # avoid dropping prefix from attributes + continue + c_ns = ns_map.new + break + + if c_ns: + c_node.ns = c_ns + else: + # not in cache or not acceptable + # => find a replacement from this document + try: + c_ns = doc._findOrBuildNodeNs( + c_start_node, c_node.ns.href, c_node.ns.prefix, + c_node.type == tree.XML_ATTRIBUTE_NODE) + c_node.ns = c_ns + _appendToNsCache(c_ns_cache, c_node.ns, c_ns) + except: + _cleanUpFromNamespaceAdaptation(c_start_node, c_ns_cache, c_del_ns_list) + raise + return 0 + + +cdef int fixElementDocument(xmlNode* c_element, _Document doc, + size_t proxy_count) except -1: + cdef xmlNode* c_node = c_element + cdef _Element proxy = None # init-to-None required due to fake-loop below + tree.BEGIN_FOR_EACH_FROM(c_element, c_node, 1) + if c_node._private is not NULL: + proxy = getProxy(c_node) + if proxy is not None: + if proxy._doc is not doc: + proxy._doc = doc + proxy_count -= 1 + if proxy_count == 0: + return 0 + tree.END_FOR_EACH_FROM(c_node) + + +cdef void fixThreadDictNames(xmlNode* c_element, + tree.xmlDict* c_src_dict, + tree.xmlDict* c_dict) noexcept nogil: + # re-assign the names of tags and attributes + # + # this should only be called when the element is based on a + # different libxml2 tag name dictionary + if c_element.type == tree.XML_DOCUMENT_NODE or \ + c_element.type == tree.XML_HTML_DOCUMENT_NODE: + # may define "xml" namespace + fixThreadDictNsForNode(c_element, c_src_dict, c_dict) + if c_element.doc.extSubset: + fixThreadDictNamesForDtd(c_element.doc.extSubset, c_src_dict, c_dict) + if c_element.doc.intSubset: + fixThreadDictNamesForDtd(c_element.doc.intSubset, c_src_dict, c_dict) + c_element = c_element.children + while c_element is not NULL: + fixThreadDictNamesForNode(c_element, c_src_dict, c_dict) + c_element = c_element.next + elif tree._isElementOrXInclude(c_element): + fixThreadDictNamesForNode(c_element, c_src_dict, c_dict) + + +cdef inline void _fixThreadDictPtr(const_xmlChar** c_ptr, + tree.xmlDict* c_src_dict, + tree.xmlDict* c_dict) noexcept nogil: + c_str = c_ptr[0] + if c_str and c_src_dict and tree.xmlDictOwns(c_src_dict, c_str): + # return value can be NULL on memory error, but we don't handle that here + c_str = tree.xmlDictLookup(c_dict, c_str, -1) + if c_str: + c_ptr[0] = c_str + + +cdef void fixThreadDictNamesForNode(xmlNode* c_element, + tree.xmlDict* c_src_dict, + tree.xmlDict* c_dict) noexcept nogil: + cdef xmlNode* c_node = c_element + tree.BEGIN_FOR_EACH_FROM(c_element, c_node, 1) + if c_node.type in (tree.XML_ELEMENT_NODE, tree.XML_XINCLUDE_START): + fixThreadDictNamesForAttributes( + c_node.properties, c_src_dict, c_dict) + fixThreadDictNsForNode(c_node, c_src_dict, c_dict) + _fixThreadDictPtr(&c_node.name, c_src_dict, c_dict) + elif c_node.type == tree.XML_TEXT_NODE: + # libxml2's SAX2 parser interns some indentation space + fixThreadDictContentForNode(c_node, c_src_dict, c_dict) + elif c_node.type == tree.XML_COMMENT_NODE: + pass # don't touch c_node.name + else: + _fixThreadDictPtr(&c_node.name, c_src_dict, c_dict) + tree.END_FOR_EACH_FROM(c_node) + + +cdef inline void fixThreadDictNamesForAttributes(tree.xmlAttr* c_attr, + tree.xmlDict* c_src_dict, + tree.xmlDict* c_dict) noexcept nogil: + cdef xmlNode* c_child + cdef xmlNode* c_node = c_attr + while c_node is not NULL: + if c_node.type not in (tree.XML_TEXT_NODE, tree.XML_COMMENT_NODE): + _fixThreadDictPtr(&c_node.name, c_src_dict, c_dict) + # libxml2 keeps some (!) attribute values in the dict + c_child = c_node.children + while c_child is not NULL: + fixThreadDictContentForNode(c_child, c_src_dict, c_dict) + c_child = c_child.next + c_node = c_node.next + + +cdef inline void fixThreadDictContentForNode(xmlNode* c_node, + tree.xmlDict* c_src_dict, + tree.xmlDict* c_dict) noexcept nogil: + if c_node.content is not NULL and \ + c_node.content is not &c_node.properties: + if tree.xmlDictOwns(c_src_dict, c_node.content): + # result can be NULL on memory error, but we don't handle that here + c_node.content = tree.xmlDictLookup(c_dict, c_node.content, -1) + + +cdef inline void fixThreadDictNsForNode(xmlNode* c_node, + tree.xmlDict* c_src_dict, + tree.xmlDict* c_dict) noexcept nogil: + cdef xmlNs* c_ns = c_node.nsDef + while c_ns is not NULL: + _fixThreadDictPtr(&c_ns.href, c_src_dict, c_dict) + _fixThreadDictPtr(&c_ns.prefix, c_src_dict, c_dict) + c_ns = c_ns.next + + +cdef void fixThreadDictNamesForDtd(tree.xmlDtd* c_dtd, + tree.xmlDict* c_src_dict, + tree.xmlDict* c_dict) noexcept nogil: + cdef xmlNode* c_node + cdef tree.xmlElement* c_element + cdef tree.xmlAttribute* c_attribute + cdef tree.xmlEntity* c_entity + + c_node = c_dtd.children + while c_node: + if c_node.type == tree.XML_ELEMENT_DECL: + c_element = c_node + if c_element.content: + _fixThreadDictPtr(&c_element.content.name, c_src_dict, c_dict) + _fixThreadDictPtr(&c_element.content.prefix, c_src_dict, c_dict) + c_attribute = c_element.attributes + while c_attribute: + if tree.LIBXML_VERSION < 21500: + # libxml2 2.15 no longer stores default values in the dict. + # See https://gitlab.gnome.org/GNOME/libxml2/-/commit/24628f25 + _fixThreadDictPtr(&c_attribute.defaultValue, c_src_dict, c_dict) + _fixThreadDictPtr(&c_attribute.name, c_src_dict, c_dict) + _fixThreadDictPtr(&c_attribute.prefix, c_src_dict, c_dict) + _fixThreadDictPtr(&c_attribute.elem, c_src_dict, c_dict) + c_attribute = c_attribute.nexth + elif c_node.type == tree.XML_ENTITY_DECL: + c_entity = c_node + _fixThreadDictPtr(&c_entity.name, c_src_dict, c_dict) + _fixThreadDictPtr(&c_entity.ExternalID, c_src_dict, c_dict) + _fixThreadDictPtr(&c_entity.SystemID, c_src_dict, c_dict) + _fixThreadDictPtr(&c_entity.content, c_src_dict, c_dict) + c_node = c_node.next + + +################################################################################ +# adopt an xmlDoc from an external libxml2 document source + +cdef _Document _adoptForeignDoc(xmlDoc* c_doc, _BaseParser parser=None, bint is_owned=True): + """Convert and wrap an externally produced xmlDoc for use in lxml. + Assures that all '_private' pointers are NULL to prevent accidental + dereference into lxml proxy objects. + """ + if c_doc is NULL: + raise ValueError("Illegal document provided: NULL") + if c_doc.type not in (tree.XML_DOCUMENT_NODE, tree.XML_HTML_DOCUMENT_NODE): + doc_type = c_doc.type + if is_owned: + tree.xmlFreeDoc(c_doc) + raise ValueError(f"Illegal document provided: expected XML or HTML, found {doc_type}") + + cdef xmlNode* c_node = c_doc + + if is_owned: + tree.BEGIN_FOR_EACH_FROM(c_doc, c_node, 1) + c_node._private = NULL + tree.END_FOR_EACH_FROM(c_node) + else: + # create a fresh copy that lxml owns + c_doc = tree.xmlCopyDoc(c_doc, 1) + if c_doc is NULL: + raise MemoryError() + + return _documentFactory(c_doc, parser) diff --git a/.venv/lib/python3.12/site-packages/lxml/public-api.pxi b/.venv/lib/python3.12/site-packages/lxml/public-api.pxi new file mode 100644 index 0000000000000000000000000000000000000000..2359eff5d03c9eecaa5c07238382adb2b3f672b1 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/public-api.pxi @@ -0,0 +1,178 @@ +# Public C API for lxml.etree + +cdef public api _Element deepcopyNodeToDocument(_Document doc, xmlNode* c_root): + "Recursively copy the element into the document. doc is not modified." + cdef xmlNode* c_node + c_node = _copyNodeToDoc(c_root, doc._c_doc) + return _elementFactory(doc, c_node) + +cdef public api _ElementTree elementTreeFactory(_Element context_node): + _assertValidNode(context_node) + return newElementTree(context_node, _ElementTree) + +cdef public api _ElementTree newElementTree(_Element context_node, + object subclass): + if context_node is NULL or context_node is None: + raise TypeError + _assertValidNode(context_node) + return _newElementTree(context_node._doc, context_node, subclass) + +cdef public api _ElementTree adoptExternalDocument(xmlDoc* c_doc, parser, bint is_owned): + if c_doc is NULL: + raise TypeError + doc = _adoptForeignDoc(c_doc, parser, is_owned) + return _elementTreeFactory(doc, None) + +cdef public api _Element elementFactory(_Document doc, xmlNode* c_node): + if c_node is NULL or doc is None: + raise TypeError + return _elementFactory(doc, c_node) + +cdef public api _Element makeElement(tag, _Document doc, parser, + text, tail, attrib, nsmap): + return _makeElement(tag, NULL, doc, parser, text, tail, attrib, nsmap, None) + +cdef public api _Element makeSubElement(_Element parent, tag, text, tail, + attrib, nsmap): + _assertValidNode(parent) + return _makeSubElement(parent, tag, text, tail, attrib, nsmap, None) + +cdef public api void setElementClassLookupFunction( + _element_class_lookup_function function, state): + _setElementClassLookupFunction(function, state) + +cdef public api object lookupDefaultElementClass(state, doc, xmlNode* c_node): + return _lookupDefaultElementClass(state, doc, c_node) + +cdef public api object lookupNamespaceElementClass(state, doc, xmlNode* c_node): + return _find_nselement_class(state, doc, c_node) + +cdef public api object callLookupFallback(FallbackElementClassLookup lookup, + _Document doc, xmlNode* c_node): + return _callLookupFallback(lookup, doc, c_node) + +cdef public api int tagMatches(xmlNode* c_node, const_xmlChar* c_href, const_xmlChar* c_name) noexcept: + if c_node is NULL: + return -1 + return _tagMatches(c_node, c_href, c_name) + +cdef public api _Document documentOrRaise(object input): + return _documentOrRaise(input) + +cdef public api _Element rootNodeOrRaise(object input): + return _rootNodeOrRaise(input) + +cdef public api bint hasText(xmlNode* c_node) noexcept: + return _hasText(c_node) + +cdef public api bint hasTail(xmlNode* c_node) noexcept: + return _hasTail(c_node) + +cdef public api unicode textOf(xmlNode* c_node): + if c_node is NULL: + return None + return _collectText(c_node.children) + +cdef public api unicode tailOf(xmlNode* c_node): + if c_node is NULL: + return None + return _collectText(c_node.next) + +cdef public api int setNodeText(xmlNode* c_node, text) except -1: + if c_node is NULL: + raise ValueError + return _setNodeText(c_node, text) + +cdef public api int setTailText(xmlNode* c_node, text) except -1: + if c_node is NULL: + raise ValueError + return _setTailText(c_node, text) + +cdef public api unicode attributeValue(xmlNode* c_element, xmlAttr* c_attrib_node): + return _attributeValue(c_element, c_attrib_node) + +cdef public api unicode attributeValueFromNsName(xmlNode* c_element, + const_xmlChar* ns, const_xmlChar* name): + return _attributeValueFromNsName(c_element, ns, name) + +cdef public api object getAttributeValue(_Element element, key, default): + _assertValidNode(element) + return _getAttributeValue(element, key, default) + +cdef public api object iterattributes(_Element element, int keysvalues): + _assertValidNode(element) + return _attributeIteratorFactory(element, keysvalues) + +cdef public api list collectAttributes(xmlNode* c_element, int keysvalues): + return _collectAttributes(c_element, keysvalues) + +cdef public api int setAttributeValue(_Element element, key, value) except -1: + _assertValidNode(element) + return _setAttributeValue(element, key, value) + +cdef public api int delAttribute(_Element element, key) except -1: + _assertValidNode(element) + return _delAttribute(element, key) + +cdef public api int delAttributeFromNsName(tree.xmlNode* c_element, + const_xmlChar* c_href, const_xmlChar* c_name) noexcept: + return _delAttributeFromNsName(c_element, c_href, c_name) + +cdef public api bint hasChild(xmlNode* c_node) noexcept: + return _hasChild(c_node) + +cdef public api xmlNode* findChild(xmlNode* c_node, Py_ssize_t index) noexcept: + return _findChild(c_node, index) + +cdef public api xmlNode* findChildForwards(xmlNode* c_node, Py_ssize_t index) noexcept: + return _findChildForwards(c_node, index) + +cdef public api xmlNode* findChildBackwards(xmlNode* c_node, Py_ssize_t index) noexcept: + return _findChildBackwards(c_node, index) + +cdef public api xmlNode* nextElement(xmlNode* c_node) noexcept: + return _nextElement(c_node) + +cdef public api xmlNode* previousElement(xmlNode* c_node) noexcept: + return _previousElement(c_node) + +cdef public api void appendChild(_Element parent, _Element child): + # deprecated, use appendChildToElement() instead! + _appendChild(parent, child) + +cdef public api int appendChildToElement(_Element parent, _Element child) except -1: + return _appendChild(parent, child) + +cdef public api unicode pyunicode(const_xmlChar* s): + if s is NULL: + raise TypeError + return funicode(s) + +cdef public api bytes utf8(object s): + return _utf8(s) + +cdef public api tuple getNsTag(object tag): + return _getNsTag(tag) + +cdef public api tuple getNsTagWithEmptyNs(object tag): + return _getNsTagWithEmptyNs(tag) + +cdef public api unicode namespacedName(xmlNode* c_node): + return _namespacedName(c_node) + +cdef public api unicode namespacedNameFromNsName(const_xmlChar* href, const_xmlChar* name): + return _namespacedNameFromNsName(href, name) + +cdef public api void iteratorStoreNext(_ElementIterator iterator, _Element node): + # deprecated! + iterator._storeNext(node) + +cdef public api void initTagMatch(_ElementTagMatcher matcher, tag): + # deprecated! + matcher._initTagMatch(tag) + +cdef public api tree.xmlNs* findOrBuildNodeNsPrefix( + _Document doc, xmlNode* c_node, const_xmlChar* href, const_xmlChar* prefix) except NULL: + if doc is None: + raise TypeError + return doc._findOrBuildNodeNs(c_node, href, prefix, 0) diff --git a/.venv/lib/python3.12/site-packages/lxml/pyclasslookup.py b/.venv/lib/python3.12/site-packages/lxml/pyclasslookup.py new file mode 100644 index 0000000000000000000000000000000000000000..9e1496dfb762108154a0c6c321a5e8fcf73de909 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/pyclasslookup.py @@ -0,0 +1,3 @@ +# dummy module for backwards compatibility + +from lxml.etree import PythonElementClassLookup diff --git a/.venv/lib/python3.12/site-packages/lxml/readonlytree.pxi b/.venv/lib/python3.12/site-packages/lxml/readonlytree.pxi new file mode 100644 index 0000000000000000000000000000000000000000..7c013f56ae738d897fd514f9d8d3019ddf3dd589 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/readonlytree.pxi @@ -0,0 +1,565 @@ +# read-only tree implementation + +@cython.internal +cdef class _ReadOnlyProxy: + "A read-only proxy class suitable for PIs/Comments (for internal use only!)." + cdef bint _free_after_use + cdef xmlNode* _c_node + cdef _ReadOnlyProxy _source_proxy + cdef list _dependent_proxies + def __cinit__(self): + self._c_node = NULL + self._free_after_use = 0 + + cdef int _assertNode(self) except -1: + """This is our way of saying: this proxy is invalid! + """ + if not self._c_node: + raise ReferenceError("Proxy invalidated!") + return 0 + + cdef int _raise_unsupported_type(self) except -1: + raise TypeError(f"Unsupported node type: {self._c_node.type}") + + cdef void free_after_use(self) noexcept: + """Should the xmlNode* be freed when releasing the proxy? + """ + self._free_after_use = 1 + + @property + def tag(self): + """Element tag + """ + self._assertNode() + if self._c_node.type == tree.XML_ELEMENT_NODE: + return _namespacedName(self._c_node) + elif self._c_node.type == tree.XML_PI_NODE: + return ProcessingInstruction + elif self._c_node.type == tree.XML_COMMENT_NODE: + return Comment + elif self._c_node.type == tree.XML_ENTITY_REF_NODE: + return Entity + else: + self._raise_unsupported_type() + + @property + def text(self): + """Text before the first subelement. This is either a string or + the value None, if there was no text. + """ + self._assertNode() + if self._c_node.type == tree.XML_ELEMENT_NODE: + return _collectText(self._c_node.children) + elif self._c_node.type in (tree.XML_PI_NODE, + tree.XML_COMMENT_NODE): + if self._c_node.content is NULL: + return '' + else: + return funicode(self._c_node.content) + elif self._c_node.type == tree.XML_ENTITY_REF_NODE: + return f'&{funicode(self._c_node.name)};' + else: + self._raise_unsupported_type() + + @property + def tail(self): + """Text after this element's end tag, but before the next sibling + element's start tag. This is either a string or the value None, if + there was no text. + """ + self._assertNode() + return _collectText(self._c_node.next) + + @property + def sourceline(self): + """Original line number as found by the parser or None if unknown. + """ + cdef long line + self._assertNode() + line = tree.xmlGetLineNo(self._c_node) + if line > 0: + return line + else: + return None + + def __repr__(self): + self._assertNode() + if self._c_node.type == tree.XML_ELEMENT_NODE: + return "" % (self.tag, id(self)) + elif self._c_node.type == tree.XML_COMMENT_NODE: + return "" % self.text + elif self._c_node.type == tree.XML_ENTITY_NODE: + return "&%s;" % funicode(self._c_node.name) + elif self._c_node.type == tree.XML_PI_NODE: + text = self.text + if text: + return "" % (self.target, text) + else: + return "" % self.target + else: + self._raise_unsupported_type() + + def __getitem__(self, x): + """Returns the subelement at the given position or the requested + slice. + """ + cdef xmlNode* c_node = NULL + cdef Py_ssize_t step = 0, slicelength = 0 + cdef Py_ssize_t c, i + cdef _node_to_node_function next_element + cdef list result + self._assertNode() + if isinstance(x, slice): + # slicing + if _isFullSlice(x): + return _collectChildren(self) + _findChildSlice(x, self._c_node, &c_node, &step, &slicelength) + if c_node is NULL: + return [] + if step > 0: + next_element = _nextElement + else: + step = -step if step != python.PY_SSIZE_T_MIN else python.PY_SSIZE_T_MAX + next_element = _previousElement + result = [] + c = 0 + while c_node is not NULL and c < slicelength: + result.append(_newReadOnlyProxy(self._source_proxy, c_node)) + result.append(_elementFactory(self._doc, c_node)) + c = c + 1 + for i from 0 <= i < step: + c_node = next_element(c_node) + return result + else: + # indexing + c_node = _findChild(self._c_node, x) + if c_node is NULL: + raise IndexError, "list index out of range" + return _newReadOnlyProxy(self._source_proxy, c_node) + + def __len__(self): + """Returns the number of subelements. + """ + cdef Py_ssize_t c + cdef xmlNode* c_node + self._assertNode() + c = 0 + c_node = self._c_node.children + while c_node is not NULL: + if tree._isElement(c_node): + c = c + 1 + c_node = c_node.next + return c + + def __bool__(self): + cdef xmlNode* c_node + self._assertNode() + c_node = _findChildBackwards(self._c_node, 0) + return c_node != NULL + + def __deepcopy__(self, memo): + "__deepcopy__(self, memo)" + return self.__copy__() + + cpdef __copy__(self): + "__copy__(self)" + cdef xmlDoc* c_doc + cdef xmlNode* c_node + cdef _Document new_doc + if self._c_node is NULL: + return self + c_doc = _copyDocRoot(self._c_node.doc, self._c_node) # recursive + new_doc = _documentFactory(c_doc, None) + root = new_doc.getroot() + if root is not None: + return root + # Comment/PI + c_node = c_doc.children + while c_node is not NULL and c_node.type != self._c_node.type: + c_node = c_node.next + if c_node is NULL: + return None + return _elementFactory(new_doc, c_node) + + def __iter__(self): + return iter(self.getchildren()) + + def iterchildren(self, tag=None, *, reversed=False): + """iterchildren(self, tag=None, reversed=False) + + Iterate over the children of this element. + """ + children = self.getchildren() + if tag is not None and tag != '*': + children = [ el for el in children if el.tag == tag ] + if reversed: + children = children[::-1] + return iter(children) + + cpdef getchildren(self): + """Returns all subelements. The elements are returned in document + order. + """ + cdef xmlNode* c_node + cdef list result + self._assertNode() + result = [] + c_node = self._c_node.children + while c_node is not NULL: + if tree._isElement(c_node): + result.append(_newReadOnlyProxy(self._source_proxy, c_node)) + c_node = c_node.next + return result + + def getparent(self): + """Returns the parent of this element or None for the root element. + """ + cdef xmlNode* c_parent + self._assertNode() + c_parent = self._c_node.parent + if c_parent is NULL or not tree._isElement(c_parent): + return None + else: + return _newReadOnlyProxy(self._source_proxy, c_parent) + + def getnext(self): + """Returns the following sibling of this element or None. + """ + cdef xmlNode* c_node + self._assertNode() + c_node = _nextElement(self._c_node) + if c_node is not NULL: + return _newReadOnlyProxy(self._source_proxy, c_node) + return None + + def getprevious(self): + """Returns the preceding sibling of this element or None. + """ + cdef xmlNode* c_node + self._assertNode() + c_node = _previousElement(self._c_node) + if c_node is not NULL: + return _newReadOnlyProxy(self._source_proxy, c_node) + return None + + +@cython.final +@cython.internal +cdef class _ReadOnlyPIProxy(_ReadOnlyProxy): + """A read-only proxy for processing instructions (for internal use only!)""" + @property + def target(self): + self._assertNode() + return funicode(self._c_node.name) + +@cython.final +@cython.internal +cdef class _ReadOnlyEntityProxy(_ReadOnlyProxy): + """A read-only proxy for entity references (for internal use only!)""" + property name: + def __get__(self): + return funicode(self._c_node.name) + + def __set__(self, value): + value_utf = _utf8(value) + if '&' in value or ';' in value: + raise ValueError(f"Invalid entity name '{value}'") + tree.xmlNodeSetName(self._c_node, _xcstr(value_utf)) + + @property + def text(self): + return f'&{funicode(self._c_node.name)};' + + +@cython.internal +cdef class _ReadOnlyElementProxy(_ReadOnlyProxy): + """The main read-only Element proxy class (for internal use only!).""" + + @property + def attrib(self): + self._assertNode() + return dict(_collectAttributes(self._c_node, 3)) + + @property + def prefix(self): + """Namespace prefix or None. + """ + self._assertNode() + if self._c_node.ns is not NULL: + if self._c_node.ns.prefix is not NULL: + return funicode(self._c_node.ns.prefix) + return None + + @property + def nsmap(self): + """Namespace prefix->URI mapping known in the context of this + Element. This includes all namespace declarations of the + parents. + + Note that changing the returned dict has no effect on the Element. + """ + self._assertNode() + return _build_nsmap(self._c_node) + + def get(self, key, default=None): + """Gets an element attribute. + """ + self._assertNode() + return _getNodeAttributeValue(self._c_node, key, default) + + def keys(self): + """Gets a list of attribute names. The names are returned in an + arbitrary order (just like for an ordinary Python dictionary). + """ + self._assertNode() + return _collectAttributes(self._c_node, 1) + + def values(self): + """Gets element attributes, as a sequence. The attributes are returned + in an arbitrary order. + """ + self._assertNode() + return _collectAttributes(self._c_node, 2) + + def items(self): + """Gets element attributes, as a sequence. The attributes are returned + in an arbitrary order. + """ + self._assertNode() + return _collectAttributes(self._c_node, 3) + +cdef _ReadOnlyProxy _newReadOnlyProxy( + _ReadOnlyProxy source_proxy, xmlNode* c_node): + cdef _ReadOnlyProxy el + if c_node.type == tree.XML_ELEMENT_NODE: + el = _ReadOnlyElementProxy.__new__(_ReadOnlyElementProxy) + elif c_node.type == tree.XML_PI_NODE: + el = _ReadOnlyPIProxy.__new__(_ReadOnlyPIProxy) + elif c_node.type in (tree.XML_COMMENT_NODE, + tree.XML_ENTITY_REF_NODE): + el = _ReadOnlyProxy.__new__(_ReadOnlyProxy) + else: + raise TypeError(f"Unsupported element type: {c_node.type}") + el._c_node = c_node + _initReadOnlyProxy(el, source_proxy) + return el + +cdef inline _initReadOnlyProxy(_ReadOnlyProxy el, + _ReadOnlyProxy source_proxy): + if source_proxy is None: + el._source_proxy = el + el._dependent_proxies = [el] + else: + el._source_proxy = source_proxy + source_proxy._dependent_proxies.append(el) + +cdef _freeReadOnlyProxies(_ReadOnlyProxy sourceProxy): + cdef xmlNode* c_node + cdef _ReadOnlyProxy el + if sourceProxy is None: + return + if sourceProxy._dependent_proxies is None: + return + for el in sourceProxy._dependent_proxies: + c_node = el._c_node + el._c_node = NULL + if el._free_after_use: + tree.xmlFreeNode(c_node) + del sourceProxy._dependent_proxies[:] + +# opaque wrapper around non-element nodes, e.g. the document node +# +# This class does not imply any restrictions on modifiability or +# read-only status of the node, so use with caution. + +@cython.internal +cdef class _OpaqueNodeWrapper: + cdef tree.xmlNode* _c_node + def __init__(self): + raise TypeError, "This type cannot be instantiated from Python" + +@cython.final +@cython.internal +cdef class _OpaqueDocumentWrapper(_OpaqueNodeWrapper): + cdef int _assertNode(self) except -1: + """This is our way of saying: this proxy is invalid! + """ + assert self._c_node is not NULL, "Proxy invalidated!" + return 0 + + cpdef append(self, other_element): + """Append a copy of an Element to the list of children. + """ + cdef xmlNode* c_next + cdef xmlNode* c_node + self._assertNode() + c_node = _roNodeOf(other_element) + if c_node.type == tree.XML_ELEMENT_NODE: + if tree.xmlDocGetRootElement(self._c_node) is not NULL: + raise ValueError, "cannot append, document already has a root element" + elif c_node.type not in (tree.XML_PI_NODE, tree.XML_COMMENT_NODE): + raise TypeError, f"unsupported element type for top-level node: {c_node.type}" + c_node = _copyNodeToDoc(c_node, self._c_node) + c_next = c_node.next + tree.xmlAddChild(self._c_node, c_node) + _moveTail(c_next, c_node) + + def extend(self, elements): + """Append a copy of all Elements from a sequence to the list of + children. + """ + self._assertNode() + for element in elements: + self.append(element) + +cdef _OpaqueNodeWrapper _newOpaqueAppendOnlyNodeWrapper(xmlNode* c_node): + cdef _OpaqueNodeWrapper node + if c_node.type in (tree.XML_DOCUMENT_NODE, tree.XML_HTML_DOCUMENT_NODE): + node = _OpaqueDocumentWrapper.__new__(_OpaqueDocumentWrapper) + else: + node = _OpaqueNodeWrapper.__new__(_OpaqueNodeWrapper) + node._c_node = c_node + return node + +# element proxies that allow restricted modification + +@cython.internal +cdef class _ModifyContentOnlyProxy(_ReadOnlyProxy): + """A read-only proxy that allows changing the text content. + """ + property text: + def __get__(self): + self._assertNode() + if self._c_node.content is NULL: + return '' + else: + return funicode(self._c_node.content) + + def __set__(self, value): + cdef tree.xmlDict* c_dict + self._assertNode() + if value is None: + c_text = NULL + else: + value = _utf8(value) + c_text = _xcstr(value) + tree.xmlNodeSetContent(self._c_node, c_text) + +@cython.final +@cython.internal +cdef class _ModifyContentOnlyPIProxy(_ModifyContentOnlyProxy): + """A read-only proxy that allows changing the text/target content of a + processing instruction. + """ + property target: + def __get__(self): + self._assertNode() + return funicode(self._c_node.name) + + def __set__(self, value): + self._assertNode() + value = _utf8(value) + c_text = _xcstr(value) + tree.xmlNodeSetName(self._c_node, c_text) + +@cython.final +@cython.internal +cdef class _ModifyContentOnlyEntityProxy(_ModifyContentOnlyProxy): + "A read-only proxy for entity references (for internal use only!)" + property name: + def __get__(self): + return funicode(self._c_node.name) + + def __set__(self, value): + value = _utf8(value) + assert '&' not in value and ';' not in value, \ + f"Invalid entity name '{value}'" + c_text = _xcstr(value) + tree.xmlNodeSetName(self._c_node, c_text) + + +@cython.final +@cython.internal +cdef class _AppendOnlyElementProxy(_ReadOnlyElementProxy): + """A read-only element that allows adding children and changing the + text content (i.e. everything that adds to the subtree). + """ + cpdef append(self, other_element): + """Append a copy of an Element to the list of children. + """ + cdef xmlNode* c_next + cdef xmlNode* c_node + self._assertNode() + c_node = _roNodeOf(other_element) + c_node = _copyNodeToDoc(c_node, self._c_node.doc) + c_next = c_node.next + tree.xmlAddChild(self._c_node, c_node) + _moveTail(c_next, c_node) + + def extend(self, elements): + """Append a copy of all Elements from a sequence to the list of + children. + """ + self._assertNode() + for element in elements: + self.append(element) + + property text: + """Text before the first subelement. This is either a string or the + value None, if there was no text. + """ + def __get__(self): + self._assertNode() + return _collectText(self._c_node.children) + + def __set__(self, value): + self._assertNode() + if isinstance(value, QName): + value = _resolveQNameText(self, value).decode('utf8') + _setNodeText(self._c_node, value) + + +cdef _ReadOnlyProxy _newAppendOnlyProxy( + _ReadOnlyProxy source_proxy, xmlNode* c_node): + cdef _ReadOnlyProxy el + if c_node.type == tree.XML_ELEMENT_NODE: + el = _AppendOnlyElementProxy.__new__(_AppendOnlyElementProxy) + elif c_node.type == tree.XML_PI_NODE: + el = _ModifyContentOnlyPIProxy.__new__(_ModifyContentOnlyPIProxy) + elif c_node.type == tree.XML_COMMENT_NODE: + el = _ModifyContentOnlyProxy.__new__(_ModifyContentOnlyProxy) + else: + raise TypeError(f"Unsupported element type: {c_node.type}") + el._c_node = c_node + _initReadOnlyProxy(el, source_proxy) + return el + +cdef xmlNode* _roNodeOf(element) except NULL: + cdef xmlNode* c_node + if isinstance(element, _Element): + c_node = (<_Element>element)._c_node + elif isinstance(element, _ReadOnlyProxy): + c_node = (<_ReadOnlyProxy>element)._c_node + elif isinstance(element, _OpaqueNodeWrapper): + c_node = (<_OpaqueNodeWrapper>element)._c_node + else: + raise TypeError, f"invalid argument type {type(element)}" + + if c_node is NULL: + raise TypeError, "invalid element" + return c_node + +cdef xmlNode* _nonRoNodeOf(element) except NULL: + cdef xmlNode* c_node + if isinstance(element, _Element): + c_node = (<_Element>element)._c_node + elif isinstance(element, _AppendOnlyElementProxy): + c_node = (<_AppendOnlyElementProxy>element)._c_node + elif isinstance(element, _OpaqueNodeWrapper): + c_node = (<_OpaqueNodeWrapper>element)._c_node + else: + raise TypeError, f"invalid argument type {type(element)}" + + if c_node is NULL: + raise TypeError, "invalid element" + return c_node diff --git a/.venv/lib/python3.12/site-packages/lxml/relaxng.pxi b/.venv/lib/python3.12/site-packages/lxml/relaxng.pxi new file mode 100644 index 0000000000000000000000000000000000000000..35f875891f7e59a785518b8b70bd19ef3f0f6099 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/relaxng.pxi @@ -0,0 +1,165 @@ +# support for RelaxNG validation +from lxml.includes cimport relaxng + +cdef object _rnc2rng +try: + import rnc2rng as _rnc2rng +except ImportError: + _rnc2rng = None + + +cdef int _require_rnc2rng() except -1: + if _rnc2rng is None: + raise RelaxNGParseError( + 'compact syntax not supported (please install rnc2rng)') + return 0 + + +cdef class RelaxNGError(LxmlError): + """Base class for RelaxNG errors. + """ + +cdef class RelaxNGParseError(RelaxNGError): + """Error while parsing an XML document as RelaxNG. + """ + +cdef class RelaxNGValidateError(RelaxNGError): + """Error while validating an XML document with a RelaxNG schema. + """ + + +################################################################################ +# RelaxNG + +cdef class RelaxNG(_Validator): + """RelaxNG(self, etree=None, file=None) + Turn a document into a Relax NG validator. + + Either pass a schema as Element or ElementTree, or pass a file or + filename through the ``file`` keyword argument. + """ + cdef relaxng.xmlRelaxNG* _c_schema + def __cinit__(self): + self._c_schema = NULL + + def __init__(self, etree=None, *, file=None): + cdef _Document doc + cdef _Element root_node + cdef xmlDoc* fake_c_doc = NULL + cdef relaxng.xmlRelaxNGParserCtxt* parser_ctxt = NULL + _Validator.__init__(self) + if etree is not None: + doc = _documentOrRaise(etree) + root_node = _rootNodeOrRaise(etree) + fake_c_doc = _fakeRootDoc(doc._c_doc, root_node._c_node) + parser_ctxt = relaxng.xmlRelaxNGNewDocParserCtxt(fake_c_doc) + elif file is not None: + if _isString(file): + if file[-4:].lower() == '.rnc': + _require_rnc2rng() + rng_data_utf8 = _utf8(_rnc2rng.dumps(_rnc2rng.load(file))) + doc = _parseMemoryDocument(rng_data_utf8, parser=None, url=file) + parser_ctxt = relaxng.xmlRelaxNGNewDocParserCtxt(doc._c_doc) + else: + doc = None + filename = _encodeFilename(file) + with self._error_log: + orig_loader = _register_document_loader() + parser_ctxt = relaxng.xmlRelaxNGNewParserCtxt(_cstr(filename)) + _reset_document_loader(orig_loader) + elif (_getFilenameForFile(file) or '')[-4:].lower() == '.rnc': + _require_rnc2rng() + rng_data_utf8 = _utf8(_rnc2rng.dumps(_rnc2rng.load(file))) + doc = _parseMemoryDocument( + rng_data_utf8, parser=None, url=_getFilenameForFile(file)) + parser_ctxt = relaxng.xmlRelaxNGNewDocParserCtxt(doc._c_doc) + else: + doc = _parseDocument(file, parser=None, base_url=None) + parser_ctxt = relaxng.xmlRelaxNGNewDocParserCtxt(doc._c_doc) + else: + raise RelaxNGParseError, "No tree or file given" + + if parser_ctxt is NULL: + if fake_c_doc is not NULL: + _destroyFakeDoc(doc._c_doc, fake_c_doc) + raise RelaxNGParseError( + self._error_log._buildExceptionMessage( + "Document is not parsable as Relax NG"), + self._error_log) + + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + relaxng.xmlRelaxNGSetParserStructuredErrors( + parser_ctxt, _receiveError, self._error_log) + _connectGenericErrorLog(self._error_log, xmlerror.XML_FROM_RELAXNGP) + self._c_schema = relaxng.xmlRelaxNGParse(parser_ctxt) + _connectGenericErrorLog(None) + + relaxng.xmlRelaxNGFreeParserCtxt(parser_ctxt) + if self._c_schema is NULL: + if fake_c_doc is not NULL: + _destroyFakeDoc(doc._c_doc, fake_c_doc) + raise RelaxNGParseError( + self._error_log._buildExceptionMessage( + "Document is not valid Relax NG"), + self._error_log) + if fake_c_doc is not NULL: + _destroyFakeDoc(doc._c_doc, fake_c_doc) + + def __dealloc__(self): + relaxng.xmlRelaxNGFree(self._c_schema) + + def __call__(self, etree): + """__call__(self, etree) + + Validate doc using Relax NG. + + Returns true if document is valid, false if not.""" + cdef _Document doc + cdef _Element root_node + cdef xmlDoc* c_doc + cdef relaxng.xmlRelaxNGValidCtxt* valid_ctxt + cdef int ret + + assert self._c_schema is not NULL, "RelaxNG instance not initialised" + doc = _documentOrRaise(etree) + root_node = _rootNodeOrRaise(etree) + + valid_ctxt = relaxng.xmlRelaxNGNewValidCtxt(self._c_schema) + if valid_ctxt is NULL: + raise MemoryError() + + try: + self._error_log.clear() + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + relaxng.xmlRelaxNGSetValidStructuredErrors( + valid_ctxt, _receiveError, self._error_log) + _connectGenericErrorLog(self._error_log, xmlerror.XML_FROM_RELAXNGV) + c_doc = _fakeRootDoc(doc._c_doc, root_node._c_node) + with nogil: + ret = relaxng.xmlRelaxNGValidateDoc(valid_ctxt, c_doc) + _destroyFakeDoc(doc._c_doc, c_doc) + finally: + _connectGenericErrorLog(None) + relaxng.xmlRelaxNGFreeValidCtxt(valid_ctxt) + + if ret == -1: + raise RelaxNGValidateError( + "Internal error in Relax NG validation", + self._error_log) + if ret == 0: + return True + else: + return False + + @classmethod + def from_rnc_string(cls, src, base_url=None): + """Parse a RelaxNG schema in compact syntax from a text string + + Requires the rnc2rng package to be installed. + + Passing the source URL or file path of the source as 'base_url' + will enable resolving resource references relative to the source. + """ + _require_rnc2rng() + rng_str = utf8(_rnc2rng.dumps(_rnc2rng.loads(src))) + return cls(_parseMemoryDocument(rng_str, parser=None, url=base_url)) diff --git a/.venv/lib/python3.12/site-packages/lxml/sax.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/lxml/sax.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..f36b8a32b79c21b1314a02772cd0a4d5249fce1b --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/sax.cpython-312-x86_64-linux-gnu.so @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:8140b87f112d80cc7c60f13d45e74f80fc955e1a0ec40045226fc6fb67d91523 +size 186296 diff --git a/.venv/lib/python3.12/site-packages/lxml/sax.py b/.venv/lib/python3.12/site-packages/lxml/sax.py new file mode 100644 index 0000000000000000000000000000000000000000..2648f6ac6be5c189a976dacc3c80658834651ba1 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/sax.py @@ -0,0 +1,285 @@ +""" +SAX-based adapter to copy trees from/to the Python standard library. + +Use the `ElementTreeContentHandler` class to build an ElementTree from +SAX events. + +Use the `ElementTreeProducer` class or the `saxify()` function to fire +the SAX events of an ElementTree against a SAX ContentHandler. + +See https://lxml.de/sax.html +""" + + +from xml.sax.handler import ContentHandler +from lxml import etree +from lxml.etree import ElementTree, SubElement +from lxml.etree import Comment, ProcessingInstruction + +try: + from types import GenericAlias as _GenericAlias +except ImportError: + # Python 3.8 - we only need this as return value from "__class_getitem__" + def _GenericAlias(cls, item): + return f"{cls.__name__}[{item.__name__}]" + + +class SaxError(etree.LxmlError): + """General SAX error. + """ + + +def _getNsTag(tag): + if tag[0] == '{' and '}' in tag: + return tuple(tag[1:].split('}', 1)) + else: + return None, tag + + +class ElementTreeContentHandler(ContentHandler): + """Build an lxml ElementTree from SAX events. + """ + def __init__(self, makeelement=None): + ContentHandler.__init__(self) + self._root = None + self._root_siblings = [] + self._element_stack = [] + self._default_ns = None + self._ns_mapping = { None : [None] } + self._new_mappings = {} + if makeelement is None: + makeelement = etree.Element + self._makeelement = makeelement + + def _get_etree(self): + "Contains the generated ElementTree after parsing is finished." + return ElementTree(self._root) + + etree = property(_get_etree, doc=_get_etree.__doc__) + + def setDocumentLocator(self, locator): + pass + + def startDocument(self): + pass + + def endDocument(self): + pass + + def startPrefixMapping(self, prefix, uri): + self._new_mappings[prefix] = uri + try: + self._ns_mapping[prefix].append(uri) + except KeyError: + self._ns_mapping[prefix] = [uri] + if prefix is None: + self._default_ns = uri + + def endPrefixMapping(self, prefix): + ns_uri_list = self._ns_mapping[prefix] + ns_uri_list.pop() + if prefix is None: + self._default_ns = ns_uri_list[-1] + + def _buildTag(self, ns_name_tuple): + ns_uri, local_name = ns_name_tuple + if ns_uri: + el_tag = "{%s}%s" % ns_name_tuple + elif self._default_ns: + el_tag = "{%s}%s" % (self._default_ns, local_name) + else: + el_tag = local_name + return el_tag + + def startElementNS(self, ns_name, qname, attributes=None): + el_name = self._buildTag(ns_name) + if attributes: + attrs = {} + try: + iter_attributes = attributes.iteritems() + except AttributeError: + iter_attributes = attributes.items() + + for name_tuple, value in iter_attributes: + if name_tuple[0]: + attr_name = "{%s}%s" % name_tuple + else: + attr_name = name_tuple[1] + attrs[attr_name] = value + else: + attrs = None + + element_stack = self._element_stack + if self._root is None: + element = self._root = \ + self._makeelement(el_name, attrs, self._new_mappings) + if self._root_siblings and hasattr(element, 'addprevious'): + for sibling in self._root_siblings: + element.addprevious(sibling) + del self._root_siblings[:] + else: + element = SubElement(element_stack[-1], el_name, + attrs, self._new_mappings) + element_stack.append(element) + + self._new_mappings.clear() + + def processingInstruction(self, target, data): + pi = ProcessingInstruction(target, data) + if self._root is None: + self._root_siblings.append(pi) + else: + self._element_stack[-1].append(pi) + + def endElementNS(self, ns_name, qname): + element = self._element_stack.pop() + el_tag = self._buildTag(ns_name) + if el_tag != element.tag: + raise SaxError("Unexpected element closed: " + el_tag) + + def startElement(self, name, attributes=None): + if attributes: + attributes = {(None, k): v for k, v in attributes.items()} + self.startElementNS((None, name), name, attributes) + + def endElement(self, name): + self.endElementNS((None, name), name) + + def characters(self, data): + last_element = self._element_stack[-1] + try: + # if there already is a child element, we must append to its tail + last_element = last_element[-1] + except IndexError: + # otherwise: append to the text + last_element.text = (last_element.text or '') + data + else: + last_element.tail = (last_element.tail or '') + data + + ignorableWhitespace = characters + + # Allow subscripting sax.ElementTreeContentHandler in type annotations (PEP 560) + def __class_getitem__(cls, item): + return _GenericAlias(cls, item) + + +class ElementTreeProducer: + """Produces SAX events for an element and children. + """ + def __init__(self, element_or_tree, content_handler): + try: + element = element_or_tree.getroot() + except AttributeError: + element = element_or_tree + self._element = element + self._content_handler = content_handler + from xml.sax.xmlreader import AttributesNSImpl as attr_class + self._attr_class = attr_class + self._empty_attributes = attr_class({}, {}) + + def saxify(self): + self._content_handler.startDocument() + + element = self._element + if hasattr(element, 'getprevious'): + siblings = [] + sibling = element.getprevious() + while getattr(sibling, 'tag', None) is ProcessingInstruction: + siblings.append(sibling) + sibling = sibling.getprevious() + for sibling in siblings[::-1]: + self._recursive_saxify(sibling, {}) + + self._recursive_saxify(element, {}) + + if hasattr(element, 'getnext'): + sibling = element.getnext() + while getattr(sibling, 'tag', None) is ProcessingInstruction: + self._recursive_saxify(sibling, {}) + sibling = sibling.getnext() + + self._content_handler.endDocument() + + def _recursive_saxify(self, element, parent_nsmap): + content_handler = self._content_handler + tag = element.tag + if tag is Comment or tag is ProcessingInstruction: + if tag is ProcessingInstruction: + content_handler.processingInstruction( + element.target, element.text) + tail = element.tail + if tail: + content_handler.characters(tail) + return + + element_nsmap = element.nsmap + new_prefixes = [] + if element_nsmap != parent_nsmap: + # There have been updates to the namespace + for prefix, ns_uri in element_nsmap.items(): + if parent_nsmap.get(prefix) != ns_uri: + new_prefixes.append( (prefix, ns_uri) ) + + attribs = element.items() + if attribs: + attr_values = {} + attr_qnames = {} + for attr_ns_name, value in attribs: + attr_ns_tuple = _getNsTag(attr_ns_name) + attr_values[attr_ns_tuple] = value + attr_qnames[attr_ns_tuple] = self._build_qname( + attr_ns_tuple[0], attr_ns_tuple[1], element_nsmap, + preferred_prefix=None, is_attribute=True) + sax_attributes = self._attr_class(attr_values, attr_qnames) + else: + sax_attributes = self._empty_attributes + + ns_uri, local_name = _getNsTag(tag) + qname = self._build_qname( + ns_uri, local_name, element_nsmap, element.prefix, is_attribute=False) + + for prefix, uri in new_prefixes: + content_handler.startPrefixMapping(prefix, uri) + content_handler.startElementNS( + (ns_uri, local_name), qname, sax_attributes) + text = element.text + if text: + content_handler.characters(text) + for child in element: + self._recursive_saxify(child, element_nsmap) + content_handler.endElementNS((ns_uri, local_name), qname) + for prefix, uri in new_prefixes: + content_handler.endPrefixMapping(prefix) + tail = element.tail + if tail: + content_handler.characters(tail) + + def _build_qname(self, ns_uri, local_name, nsmap, preferred_prefix, is_attribute): + if ns_uri is None: + return local_name + + if not is_attribute and nsmap.get(preferred_prefix) == ns_uri: + prefix = preferred_prefix + else: + # Pick the first matching prefix, in alphabetical order. + candidates = [ + pfx for (pfx, uri) in nsmap.items() + if pfx is not None and uri == ns_uri + ] + prefix = ( + candidates[0] if len(candidates) == 1 + else min(candidates) if candidates + else None + ) + + if prefix is None: + # Default namespace + return local_name + return prefix + ':' + local_name + + +def saxify(element_or_tree, content_handler): + """One-shot helper to generate SAX events from an XML tree and fire + them against a SAX ContentHandler. + """ + return ElementTreeProducer(element_or_tree, content_handler).saxify() diff --git a/.venv/lib/python3.12/site-packages/lxml/saxparser.pxi b/.venv/lib/python3.12/site-packages/lxml/saxparser.pxi new file mode 100644 index 0000000000000000000000000000000000000000..c0c16949a73d859de5620cd3fd7cf02cfa10996c --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/saxparser.pxi @@ -0,0 +1,875 @@ +# SAX-like interfaces + +class XMLSyntaxAssertionError(XMLSyntaxError, AssertionError): + """ + An XMLSyntaxError that additionally inherits from AssertionError for + ElementTree / backwards compatibility reasons. + + This class may get replaced by a plain XMLSyntaxError in a future version. + """ + def __init__(self, message): + XMLSyntaxError.__init__(self, message, None, 0, 1) + + +ctypedef enum _SaxParserEvents: + SAX_EVENT_START = 1 << 0 + SAX_EVENT_END = 1 << 1 + SAX_EVENT_DATA = 1 << 2 + SAX_EVENT_DOCTYPE = 1 << 3 + SAX_EVENT_PI = 1 << 4 + SAX_EVENT_COMMENT = 1 << 5 + SAX_EVENT_START_NS = 1 << 6 + SAX_EVENT_END_NS = 1 << 7 + +ctypedef enum _ParseEventFilter: + PARSE_EVENT_FILTER_START = 1 << 0 + PARSE_EVENT_FILTER_END = 1 << 1 + PARSE_EVENT_FILTER_START_NS = 1 << 2 + PARSE_EVENT_FILTER_END_NS = 1 << 3 + PARSE_EVENT_FILTER_COMMENT = 1 << 4 + PARSE_EVENT_FILTER_PI = 1 << 5 + + +cdef int _buildParseEventFilter(events) except -1: + cdef int event_filter = 0 + for event in events: + if event == 'start': + event_filter |= PARSE_EVENT_FILTER_START + elif event == 'end': + event_filter |= PARSE_EVENT_FILTER_END + elif event == 'start-ns': + event_filter |= PARSE_EVENT_FILTER_START_NS + elif event == 'end-ns': + event_filter |= PARSE_EVENT_FILTER_END_NS + elif event == 'comment': + event_filter |= PARSE_EVENT_FILTER_COMMENT + elif event == 'pi': + event_filter |= PARSE_EVENT_FILTER_PI + else: + raise ValueError, f"invalid event name '{event}'" + return event_filter + + +cdef class _SaxParserTarget: + cdef int _sax_event_filter + + cdef _handleSaxStart(self, tag, attrib, nsmap): + return None + cdef _handleSaxEnd(self, tag): + return None + cdef int _handleSaxData(self, data) except -1: + return 0 + cdef int _handleSaxDoctype(self, root_tag, public_id, system_id) except -1: + return 0 + cdef _handleSaxPi(self, target, data): + return None + cdef _handleSaxComment(self, comment): + return None + cdef _handleSaxStartNs(self, prefix, uri): + return None + cdef _handleSaxEndNs(self, prefix): + return None + + +#@cython.final +@cython.internal +@cython.no_gc_clear # Required because parent class uses it - Cython bug. +cdef class _SaxParserContext(_ParserContext): + """This class maps SAX2 events to parser target events. + """ + cdef _SaxParserTarget _target + cdef _BaseParser _parser + cdef xmlparser.startElementNsSAX2Func _origSaxStart + cdef xmlparser.endElementNsSAX2Func _origSaxEnd + cdef xmlparser.startElementSAXFunc _origSaxStartNoNs + cdef xmlparser.endElementSAXFunc _origSaxEndNoNs + cdef xmlparser.charactersSAXFunc _origSaxData + cdef xmlparser.cdataBlockSAXFunc _origSaxCData + cdef xmlparser.internalSubsetSAXFunc _origSaxDoctype + cdef xmlparser.commentSAXFunc _origSaxComment + cdef xmlparser.processingInstructionSAXFunc _origSaxPI + cdef xmlparser.startDocumentSAXFunc _origSaxStartDocument + + # for event collecting + cdef int _event_filter + cdef list _ns_stack + cdef list _node_stack + cdef _ParseEventsIterator events_iterator + + # for iterparse + cdef _Element _root + cdef _MultiTagMatcher _matcher + + def __cinit__(self, _BaseParser parser): + self._ns_stack = [] + self._node_stack = [] + self._parser = parser + self.events_iterator = _ParseEventsIterator() + + cdef void _setSaxParserTarget(self, _SaxParserTarget target) noexcept: + self._target = target + + cdef void _initParserContext(self, xmlparser.xmlParserCtxt* c_ctxt) noexcept: + _ParserContext._initParserContext(self, c_ctxt) + if self._target is not None: + self._connectTarget(c_ctxt) + elif self._event_filter: + self._connectEvents(c_ctxt) + + cdef void _connectTarget(self, xmlparser.xmlParserCtxt* c_ctxt) noexcept: + """Wrap original SAX2 callbacks to call into parser target. + """ + sax = c_ctxt.sax + self._origSaxStart = sax.startElementNs = NULL + self._origSaxStartNoNs = sax.startElement = NULL + if self._target._sax_event_filter & (SAX_EVENT_START | + SAX_EVENT_START_NS | + SAX_EVENT_END_NS): + # intercept => overwrite orig callback + # FIXME: also intercept on when collecting END events + if sax.initialized == xmlparser.XML_SAX2_MAGIC: + sax.startElementNs = _handleSaxTargetStart + if self._target._sax_event_filter & SAX_EVENT_START: + sax.startElement = _handleSaxTargetStartNoNs + + self._origSaxEnd = sax.endElementNs = NULL + self._origSaxEndNoNs = sax.endElement = NULL + if self._target._sax_event_filter & (SAX_EVENT_END | + SAX_EVENT_END_NS): + if sax.initialized == xmlparser.XML_SAX2_MAGIC: + sax.endElementNs = _handleSaxEnd + if self._target._sax_event_filter & SAX_EVENT_END: + sax.endElement = _handleSaxEndNoNs + + self._origSaxData = sax.characters = sax.cdataBlock = NULL + if self._target._sax_event_filter & SAX_EVENT_DATA: + sax.characters = sax.cdataBlock = _handleSaxData + + # doctype propagation is always required for entity replacement + self._origSaxDoctype = sax.internalSubset + if self._target._sax_event_filter & SAX_EVENT_DOCTYPE: + sax.internalSubset = _handleSaxTargetDoctype + + self._origSaxPI = sax.processingInstruction = NULL + if self._target._sax_event_filter & SAX_EVENT_PI: + sax.processingInstruction = _handleSaxTargetPI + + self._origSaxComment = sax.comment = NULL + if self._target._sax_event_filter & SAX_EVENT_COMMENT: + sax.comment = _handleSaxTargetComment + + # enforce entity replacement + sax.reference = NULL + c_ctxt.replaceEntities = 1 + + cdef void _connectEvents(self, xmlparser.xmlParserCtxt* c_ctxt) noexcept: + """Wrap original SAX2 callbacks to collect parse events without parser target. + """ + sax = c_ctxt.sax + self._origSaxStartDocument = sax.startDocument + sax.startDocument = _handleSaxStartDocument + + # only override "start" event handler if needed + self._origSaxStart = sax.startElementNs + if self._event_filter == 0 or c_ctxt.html or \ + self._event_filter & (PARSE_EVENT_FILTER_START | + PARSE_EVENT_FILTER_END | + PARSE_EVENT_FILTER_START_NS | + PARSE_EVENT_FILTER_END_NS): + sax.startElementNs = _handleSaxStart + + self._origSaxStartNoNs = sax.startElement + if self._event_filter == 0 or c_ctxt.html or \ + self._event_filter & (PARSE_EVENT_FILTER_START | + PARSE_EVENT_FILTER_END): + sax.startElement = _handleSaxStartNoNs + + # only override "end" event handler if needed + self._origSaxEnd = sax.endElementNs + if self._event_filter == 0 or \ + self._event_filter & (PARSE_EVENT_FILTER_END | + PARSE_EVENT_FILTER_END_NS): + sax.endElementNs = _handleSaxEnd + + self._origSaxEndNoNs = sax.endElement + if self._event_filter == 0 or \ + self._event_filter & PARSE_EVENT_FILTER_END: + sax.endElement = _handleSaxEndNoNs + + self._origSaxComment = sax.comment + if self._event_filter & PARSE_EVENT_FILTER_COMMENT: + sax.comment = _handleSaxComment + + self._origSaxPI = sax.processingInstruction + if self._event_filter & PARSE_EVENT_FILTER_PI: + sax.processingInstruction = _handleSaxPIEvent + + cdef _setEventFilter(self, events, tag): + self._event_filter = _buildParseEventFilter(events) + if not self._event_filter or tag is None or tag == '*': + self._matcher = None + else: + self._matcher = _MultiTagMatcher.__new__(_MultiTagMatcher, tag) + + cdef int startDocument(self, xmlDoc* c_doc) except -1: + try: + self._doc = _documentFactory(c_doc, self._parser) + finally: + self._parser = None # clear circular reference ASAP + if self._matcher is not None: + self._matcher.cacheTags(self._doc, force_into_dict=True) + return 0 + + cdef int pushEvent(self, event, xmlNode* c_node) except -1: + cdef _Element root + if self._root is None: + root = self._doc.getroot() + if root is not None and root._c_node.type == tree.XML_ELEMENT_NODE: + self._root = root + node = _elementFactory(self._doc, c_node) + self.events_iterator._events.append( (event, node) ) + return 0 + + cdef int flushEvents(self) except -1: + events = self.events_iterator._events + while self._node_stack: + events.append( ('end', self._node_stack.pop()) ) + _pushSaxNsEndEvents(self) + while self._ns_stack: + _pushSaxNsEndEvents(self) + + cdef void _handleSaxException(self, xmlparser.xmlParserCtxt* c_ctxt) noexcept: + if c_ctxt.errNo == xmlerror.XML_ERR_OK: + c_ctxt.errNo = xmlerror.XML_ERR_INTERNAL_ERROR + # stop parsing immediately + c_ctxt.wellFormed = 0 + c_ctxt.disableSAX = 1 + c_ctxt.instate = xmlparser.XML_PARSER_EOF + self._store_raised() + + +@cython.final +@cython.internal +cdef class _ParseEventsIterator: + """A reusable parse events iterator""" + cdef list _events + cdef int _event_index + + def __cinit__(self): + self._events = [] + self._event_index = 0 + + def __iter__(self): + return self + + def __next__(self): + cdef int event_index = self._event_index + events = self._events + if event_index >= 2**10 or event_index * 2 >= len(events): + if event_index: + # clean up from time to time + del events[:event_index] + self._event_index = event_index = 0 + if event_index >= len(events): + raise StopIteration + item = events[event_index] + self._event_index = event_index + 1 + return item + + +cdef list _build_prefix_uri_list(_SaxParserContext context, int c_nb_namespaces, + const_xmlChar** c_namespaces): + "Build [(prefix, uri)] list of declared namespaces." + cdef int i + namespaces = [] + for i in xrange(c_nb_namespaces): + namespaces.append((funicodeOrEmpty(c_namespaces[0]), funicode(c_namespaces[1]))) + c_namespaces += 2 + return namespaces + + +cdef void _handleSaxStart( + void* ctxt, const_xmlChar* c_localname, const_xmlChar* c_prefix, + const_xmlChar* c_namespace, int c_nb_namespaces, + const_xmlChar** c_namespaces, + int c_nb_attributes, int c_nb_defaulted, + const_xmlChar** c_attributes) noexcept with gil: + cdef int i + cdef size_t c_len + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + cdef int event_filter = context._event_filter + try: + if (c_nb_namespaces and + event_filter & (PARSE_EVENT_FILTER_START_NS | + PARSE_EVENT_FILTER_END_NS)): + declared_namespaces = _build_prefix_uri_list( + context, c_nb_namespaces, c_namespaces) + if event_filter & PARSE_EVENT_FILTER_START_NS: + for prefix_uri_tuple in declared_namespaces: + context.events_iterator._events.append(("start-ns", prefix_uri_tuple)) + else: + declared_namespaces = None + + context._origSaxStart(c_ctxt, c_localname, c_prefix, c_namespace, + c_nb_namespaces, c_namespaces, c_nb_attributes, + c_nb_defaulted, c_attributes) + if c_ctxt.html: + _fixHtmlDictNodeNames(c_ctxt.dict, c_ctxt.node) + # The HTML parser in libxml2 reports the missing opening tags when it finds + # misplaced ones, but with tag names from C string constants that ignore the + # parser dict. Thus, we need to intern the name ourselves. + c_localname = tree.xmlDictLookup(c_ctxt.dict, c_localname, -1) + if c_localname is NULL: + raise MemoryError() + + if event_filter & PARSE_EVENT_FILTER_END_NS: + context._ns_stack.append(declared_namespaces) + if event_filter & (PARSE_EVENT_FILTER_END | + PARSE_EVENT_FILTER_START): + _pushSaxStartEvent(context, c_ctxt, c_namespace, c_localname, None) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxTargetStart( + void* ctxt, const_xmlChar* c_localname, const_xmlChar* c_prefix, + const_xmlChar* c_namespace, int c_nb_namespaces, + const_xmlChar** c_namespaces, + int c_nb_attributes, int c_nb_defaulted, + const_xmlChar** c_attributes) noexcept with gil: + cdef int i + cdef size_t c_len + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + + cdef int event_filter = context._event_filter + cdef int sax_event_filter = context._target._sax_event_filter + try: + if c_nb_namespaces: + declared_namespaces = _build_prefix_uri_list( + context, c_nb_namespaces, c_namespaces) + + if event_filter & PARSE_EVENT_FILTER_START_NS: + for prefix_uri_tuple in declared_namespaces: + context.events_iterator._events.append(("start-ns", prefix_uri_tuple)) + + if sax_event_filter & SAX_EVENT_START_NS: + for prefix, uri in declared_namespaces: + context._target._handleSaxStartNs(prefix, uri) + else: + declared_namespaces = None + + if sax_event_filter & SAX_EVENT_START: + if c_nb_defaulted > 0: + # only add default attributes if we asked for them + if c_ctxt.loadsubset & xmlparser.XML_COMPLETE_ATTRS == 0: + c_nb_attributes -= c_nb_defaulted + if c_nb_attributes == 0: + attrib = IMMUTABLE_EMPTY_MAPPING + else: + attrib = {} + for i in xrange(c_nb_attributes): + name = _namespacedNameFromNsName( + c_attributes[2], c_attributes[0]) + if c_attributes[3] is NULL: + value = '' + else: + c_len = c_attributes[4] - c_attributes[3] + value = c_attributes[3][:c_len].decode('utf8') + attrib[name] = value + c_attributes += 5 + + nsmap = dict(declared_namespaces) if c_nb_namespaces else IMMUTABLE_EMPTY_MAPPING + + element = _callTargetSaxStart( + context, c_ctxt, + _namespacedNameFromNsName(c_namespace, c_localname), + attrib, nsmap) + else: + element = None + + if (event_filter & PARSE_EVENT_FILTER_END_NS or + sax_event_filter & SAX_EVENT_END_NS): + context._ns_stack.append(declared_namespaces) + if event_filter & (PARSE_EVENT_FILTER_END | + PARSE_EVENT_FILTER_START): + _pushSaxStartEvent(context, c_ctxt, c_namespace, + c_localname, element) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxStartNoNs(void* ctxt, const_xmlChar* c_name, + const_xmlChar** c_attributes) noexcept with gil: + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + context._origSaxStartNoNs(c_ctxt, c_name, c_attributes) + if c_ctxt.html: + _fixHtmlDictNodeNames(c_ctxt.dict, c_ctxt.node) + # The HTML parser in libxml2 reports the missing opening tags when it finds + # misplaced ones, but with tag names from C string constants that ignore the + # parser dict. Thus, we need to intern the name ourselves. + c_name = tree.xmlDictLookup(c_ctxt.dict, c_name, -1) + if c_name is NULL: + raise MemoryError() + if context._event_filter & (PARSE_EVENT_FILTER_END | + PARSE_EVENT_FILTER_START): + _pushSaxStartEvent(context, c_ctxt, NULL, c_name, None) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxTargetStartNoNs(void* ctxt, const_xmlChar* c_name, + const_xmlChar** c_attributes) noexcept with gil: + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + if c_attributes is NULL: + attrib = IMMUTABLE_EMPTY_MAPPING + else: + attrib = {} + while c_attributes[0] is not NULL: + name = funicode(c_attributes[0]) + attrib[name] = funicodeOrEmpty(c_attributes[1]) + c_attributes += 2 + element = _callTargetSaxStart( + context, c_ctxt, funicode(c_name), + attrib, IMMUTABLE_EMPTY_MAPPING) + if context._event_filter & (PARSE_EVENT_FILTER_END | + PARSE_EVENT_FILTER_START): + _pushSaxStartEvent(context, c_ctxt, NULL, c_name, element) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef _callTargetSaxStart(_SaxParserContext context, + xmlparser.xmlParserCtxt* c_ctxt, + tag, attrib, nsmap): + element = context._target._handleSaxStart(tag, attrib, nsmap) + if element is not None and c_ctxt.input is not NULL: + if isinstance(element, _Element): + (<_Element>element)._c_node.line = ( + c_ctxt.input.line + if c_ctxt.input.line < 65535 else 65535) + return element + + +cdef int _pushSaxStartEvent(_SaxParserContext context, + xmlparser.xmlParserCtxt* c_ctxt, + const_xmlChar* c_href, + const_xmlChar* c_name, node) except -1: + if (context._matcher is None or + context._matcher.matchesNsTag(c_href, c_name)): + if node is None and context._target is None: + assert context._doc is not None + node = _elementFactory(context._doc, c_ctxt.node) + if context._event_filter & PARSE_EVENT_FILTER_START: + context.events_iterator._events.append(('start', node)) + if (context._target is None and + context._event_filter & PARSE_EVENT_FILTER_END): + context._node_stack.append(node) + return 0 + + +cdef void _handleSaxEnd(void* ctxt, const_xmlChar* c_localname, + const_xmlChar* c_prefix, + const_xmlChar* c_namespace) noexcept with gil: + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + if context._target is not None: + if context._target._sax_event_filter & SAX_EVENT_END: + node = context._target._handleSaxEnd( + _namespacedNameFromNsName(c_namespace, c_localname)) + else: + node = None + else: + context._origSaxEnd(c_ctxt, c_localname, c_prefix, c_namespace) + node = None + _pushSaxEndEvent(context, c_namespace, c_localname, node) + _pushSaxNsEndEvents(context) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxEndNoNs(void* ctxt, const_xmlChar* c_name) noexcept with gil: + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + if context._target is not None: + node = context._target._handleSaxEnd(funicode(c_name)) + else: + context._origSaxEndNoNs(c_ctxt, c_name) + node = None + _pushSaxEndEvent(context, NULL, c_name, node) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef int _pushSaxNsEndEvents(_SaxParserContext context) except -1: + cdef bint build_events = context._event_filter & PARSE_EVENT_FILTER_END_NS + cdef bint call_target = ( + context._target is not None + and context._target._sax_event_filter & SAX_EVENT_END_NS) + if not build_events and not call_target: + return 0 + + cdef list declared_namespaces = context._ns_stack.pop() + if declared_namespaces is None: + return 0 + + cdef tuple prefix_uri + for prefix_uri in reversed(declared_namespaces): + if call_target: + context._target._handleSaxEndNs(prefix_uri[0]) + if build_events: + context.events_iterator._events.append(('end-ns', None)) + + return 0 + + +cdef int _pushSaxEndEvent(_SaxParserContext context, + const_xmlChar* c_href, + const_xmlChar* c_name, node) except -1: + if context._event_filter & PARSE_EVENT_FILTER_END: + if (context._matcher is None or + context._matcher.matchesNsTag(c_href, c_name)): + if context._target is None: + node = context._node_stack.pop() + context.events_iterator._events.append(('end', node)) + return 0 + + +cdef void _handleSaxData(void* ctxt, const_xmlChar* c_data, int data_len) noexcept with gil: + # can only be called if parsing with a target + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + context._target._handleSaxData( + c_data[:data_len].decode('utf8')) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxTargetDoctype(void* ctxt, const_xmlChar* c_name, + const_xmlChar* c_public, + const_xmlChar* c_system) noexcept with gil: + # can only be called if parsing with a target + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + context._target._handleSaxDoctype( + funicodeOrNone(c_name), + funicodeOrNone(c_public), + funicodeOrNone(c_system)) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxStartDocument(void* ctxt) noexcept with gil: + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + context._origSaxStartDocument(ctxt) + c_doc = c_ctxt.myDoc + try: + context.startDocument(c_doc) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxTargetPI(void* ctxt, const_xmlChar* c_target, + const_xmlChar* c_data) noexcept with gil: + # can only be called if parsing with a target + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + pi = context._target._handleSaxPi( + funicodeOrNone(c_target), + funicodeOrEmpty(c_data)) + if context._event_filter & PARSE_EVENT_FILTER_PI: + context.events_iterator._events.append(('pi', pi)) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxPIEvent(void* ctxt, const_xmlChar* target, + const_xmlChar* data) noexcept with gil: + # can only be called when collecting pi events + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + context._origSaxPI(ctxt, target, data) + c_node = _findLastEventNode(c_ctxt) + if c_node is NULL: + return + try: + context.pushEvent('pi', c_node) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxTargetComment(void* ctxt, const_xmlChar* c_data) noexcept with gil: + # can only be called if parsing with a target + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + try: + comment = context._target._handleSaxComment(funicodeOrEmpty(c_data)) + if context._event_filter & PARSE_EVENT_FILTER_COMMENT: + context.events_iterator._events.append(('comment', comment)) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef void _handleSaxComment(void* ctxt, const_xmlChar* text) noexcept with gil: + # can only be called when collecting comment events + c_ctxt = ctxt + if c_ctxt._private is NULL or xmlparser.xmlCtxtIsStopped(c_ctxt): + return + context = <_SaxParserContext>c_ctxt._private + context._origSaxComment(ctxt, text) + c_node = _findLastEventNode(c_ctxt) + if c_node is NULL: + return + try: + context.pushEvent('comment', c_node) + except: + context._handleSaxException(c_ctxt) + finally: + return # swallow any further exceptions + + +cdef inline xmlNode* _findLastEventNode(xmlparser.xmlParserCtxt* c_ctxt) noexcept: + # this mimics what libxml2 creates for comments/PIs + if c_ctxt.inSubset == 1: + return c_ctxt.myDoc.intSubset.last + elif c_ctxt.inSubset == 2: + return c_ctxt.myDoc.extSubset.last + elif c_ctxt.node is NULL: + return c_ctxt.myDoc.last + elif c_ctxt.node.type == tree.XML_ELEMENT_NODE: + return c_ctxt.node.last + else: + return c_ctxt.node.next + + +############################################################ +## ET compatible XML tree builder +############################################################ + +cdef class TreeBuilder(_SaxParserTarget): + """TreeBuilder(self, element_factory=None, parser=None, + comment_factory=None, pi_factory=None, + insert_comments=True, insert_pis=True) + + Parser target that builds a tree from parse event callbacks. + + The factory arguments can be used to influence the creation of + elements, comments and processing instructions. + + By default, comments and processing instructions are inserted into + the tree, but they can be ignored by passing the respective flags. + + The final tree is returned by the ``close()`` method. + """ + cdef _BaseParser _parser + cdef object _factory + cdef object _comment_factory + cdef object _pi_factory + cdef list _data + cdef list _element_stack + cdef object _element_stack_pop + cdef _Element _last # may be None + cdef bint _in_tail + cdef bint _insert_comments + cdef bint _insert_pis + + def __init__(self, *, element_factory=None, parser=None, + comment_factory=None, pi_factory=None, + bint insert_comments=True, bint insert_pis=True): + self._sax_event_filter = \ + SAX_EVENT_START | SAX_EVENT_END | SAX_EVENT_DATA | \ + SAX_EVENT_PI | SAX_EVENT_COMMENT + self._data = [] # data collector + self._element_stack = [] # element stack + self._element_stack_pop = self._element_stack.pop + self._last = None # last element + self._in_tail = 0 # true if we're after an end tag + self._factory = element_factory + self._comment_factory = comment_factory if comment_factory is not None else Comment + self._pi_factory = pi_factory if pi_factory is not None else ProcessingInstruction + self._insert_comments = insert_comments + self._insert_pis = insert_pis + self._parser = parser + + @cython.final + cdef int _flush(self) except -1: + if self._data: + if self._last is not None: + text = "".join(self._data) + if self._in_tail: + assert self._last.tail is None, "internal error (tail)" + self._last.tail = text + else: + assert self._last.text is None, "internal error (text)" + self._last.text = text + del self._data[:] + return 0 + + # internal SAX event handlers + + @cython.final + cdef _handleSaxStart(self, tag, attrib, nsmap): + self._flush() + if self._factory is not None: + self._last = self._factory(tag, attrib) + if self._element_stack: + _appendChild(self._element_stack[-1], self._last) + elif self._element_stack: + self._last = _makeSubElement( + self._element_stack[-1], tag, None, None, attrib, nsmap, None) + else: + self._last = _makeElement( + tag, NULL, None, self._parser, None, None, attrib, nsmap, None) + self._element_stack.append(self._last) + self._in_tail = 0 + return self._last + + @cython.final + cdef _handleSaxEnd(self, tag): + self._flush() + self._last = self._element_stack_pop() + self._in_tail = 1 + return self._last + + @cython.final + cdef int _handleSaxData(self, data) except -1: + self._data.append(data) + + @cython.final + cdef _handleSaxPi(self, target, data): + elem = self._pi_factory(target, data) + if self._insert_pis: + self._flush() + self._last = elem + if self._element_stack: + _appendChild(self._element_stack[-1], self._last) + self._in_tail = 1 + return self._last + + @cython.final + cdef _handleSaxComment(self, comment): + elem = self._comment_factory(comment) + if self._insert_comments: + self._flush() + self._last = elem + if self._element_stack: + _appendChild(self._element_stack[-1], self._last) + self._in_tail = 1 + return elem + + # Python level event handlers + + def close(self): + """close(self) + + Flushes the builder buffers, and returns the toplevel document + element. Raises XMLSyntaxError on inconsistencies. + """ + if self._element_stack: + raise XMLSyntaxAssertionError("missing end tags") + # TODO: this does not necessarily seem like an error case. Why not just return None? + if self._last is None: + raise XMLSyntaxAssertionError("missing toplevel element") + return self._last + + def data(self, data): + """data(self, data) + + Adds text to the current element. The value should be either an + 8-bit string containing ASCII text, or a Unicode string. + """ + self._handleSaxData(data) + + def start(self, tag, attrs, nsmap=None): + """start(self, tag, attrs, nsmap=None) + + Opens a new element. + """ + if nsmap is None: + nsmap = IMMUTABLE_EMPTY_MAPPING + return self._handleSaxStart(tag, attrs, nsmap) + + def end(self, tag): + """end(self, tag) + + Closes the current element. + """ + element = self._handleSaxEnd(tag) + assert self._last.tag == tag,\ + f"end tag mismatch (expected {self._last.tag}, got {tag})" + return element + + def pi(self, target, data=None): + """pi(self, target, data=None) + + Creates a processing instruction using the factory, appends it + (unless disabled) and returns it. + """ + return self._handleSaxPi(target, data) + + def comment(self, comment): + """comment(self, comment) + + Creates a comment using the factory, appends it (unless disabled) + and returns it. + """ + return self._handleSaxComment(comment) diff --git a/.venv/lib/python3.12/site-packages/lxml/schematron.pxi b/.venv/lib/python3.12/site-packages/lxml/schematron.pxi new file mode 100644 index 0000000000000000000000000000000000000000..650e34b2b4c562517479b56a8f6f45b7111efafd --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/schematron.pxi @@ -0,0 +1,173 @@ +# support for Schematron validation +from lxml.includes cimport schematron + + +cdef class SchematronError(LxmlError): + """Base class of all Schematron errors. + """ + +cdef class SchematronParseError(SchematronError): + """Error while parsing an XML document as Schematron schema. + """ + +cdef class SchematronValidateError(SchematronError): + """Error while validating an XML document with a Schematron schema. + """ + + +################################################################################ +# Schematron + +cdef class Schematron(_Validator): + """Schematron(self, etree=None, file=None) + A Schematron validator. + + Pass a root Element or an ElementTree to turn it into a validator. + Alternatively, pass a filename as keyword argument 'file' to parse from + the file system. + + Schematron is a less well known, but very powerful schema language. The main + idea is to use the capabilities of XPath to put restrictions on the structure + and the content of XML documents. Here is a simple example:: + + >>> schematron = Schematron(XML(''' + ... + ... + ... + ... Attribute + ... is forbidden + ... + ... + ... + ... + ... ''')) + + >>> xml = XML(''' + ... + ... + ... + ... + ... ''') + + >>> schematron.validate(xml) + 0 + + >>> xml = XML(''' + ... + ... + ... + ... + ... ''') + + >>> schematron.validate(xml) + 1 + + Schematron was added to libxml2 in version 2.6.21. Before version 2.6.32, + however, Schematron lacked support for error reporting other than to stderr. + This version is therefore required to retrieve validation warnings and + errors in lxml. + """ + cdef schematron.xmlSchematron* _c_schema + cdef xmlDoc* _c_schema_doc + + def __init__(self, etree=None, *, file=None): + cdef _Document doc + cdef _Element root_node + cdef xmlNode* c_node + cdef char* c_href + cdef schematron.xmlSchematronParserCtxt* parser_ctxt = NULL + _Validator.__init__(self) + if not config.ENABLE_SCHEMATRON: + raise SchematronError, \ + "lxml.etree was compiled without Schematron support." + + import warnings + warnings.warn( + "The (non-ISO) Schematron feature is deprecated and will be removed from libxml2 and lxml. " + "Use 'lxml.isoschematron' instead.", + DeprecationWarning, + ) + + if etree is not None: + doc = _documentOrRaise(etree) + root_node = _rootNodeOrRaise(etree) + self._c_schema_doc = _copyDocRoot(doc._c_doc, root_node._c_node) + parser_ctxt = schematron.xmlSchematronNewDocParserCtxt(self._c_schema_doc) + elif file is not None: + filename = _getFilenameForFile(file) + if filename is None: + # XXX assume a string object + filename = file + filename = _encodeFilename(filename) + with self._error_log: + orig_loader = _register_document_loader() + parser_ctxt = schematron.xmlSchematronNewParserCtxt(_cstr(filename)) + _reset_document_loader(orig_loader) + else: + raise SchematronParseError, "No tree or file given" + + if parser_ctxt is NULL: + if self._c_schema_doc is not NULL: + tree.xmlFreeDoc(self._c_schema_doc) + self._c_schema_doc = NULL + raise MemoryError() + + try: + with self._error_log: + orig_loader = _register_document_loader() + self._c_schema = schematron.xmlSchematronParse(parser_ctxt) + _reset_document_loader(orig_loader) + finally: + schematron.xmlSchematronFreeParserCtxt(parser_ctxt) + + if self._c_schema is NULL: + raise SchematronParseError( + "Document is not a valid Schematron schema", + self._error_log) + + def __dealloc__(self): + schematron.xmlSchematronFree(self._c_schema) + if self._c_schema_doc is not NULL: + tree.xmlFreeDoc(self._c_schema_doc) + + def __call__(self, etree): + """__call__(self, etree) + + Validate doc using Schematron. + + Returns true if document is valid, false if not.""" + cdef _Document doc + cdef _Element root_node + cdef xmlDoc* c_doc + cdef schematron.xmlSchematronValidCtxt* valid_ctxt + cdef int ret + + assert self._c_schema is not NULL, "Schematron instance not initialised" + doc = _documentOrRaise(etree) + root_node = _rootNodeOrRaise(etree) + + valid_ctxt = schematron.xmlSchematronNewValidCtxt( + self._c_schema, schematron.XML_SCHEMATRON_OUT_ERROR) + if valid_ctxt is NULL: + raise MemoryError() + + try: + self._error_log.clear() + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + schematron.xmlSchematronSetValidStructuredErrors( + valid_ctxt, _receiveError, self._error_log) + c_doc = _fakeRootDoc(doc._c_doc, root_node._c_node) + with nogil: + ret = schematron.xmlSchematronValidateDoc(valid_ctxt, c_doc) + _destroyFakeDoc(doc._c_doc, c_doc) + finally: + schematron.xmlSchematronFreeValidCtxt(valid_ctxt) + + if ret == -1: + raise SchematronValidateError( + "Internal error in Schematron validation", + self._error_log) + if ret == 0: + return True + else: + return False diff --git a/.venv/lib/python3.12/site-packages/lxml/serializer.pxi b/.venv/lib/python3.12/site-packages/lxml/serializer.pxi new file mode 100644 index 0000000000000000000000000000000000000000..5266bdf2bdc71a0bbdbe0c8702dbc43f5684ee28 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/serializer.pxi @@ -0,0 +1,1849 @@ +# XML serialization and output functions + +cdef object GzipFile +from gzip import GzipFile + + +cdef class SerialisationError(LxmlError): + """A libxml2 error that occurred during serialisation. + """ + + +cdef enum _OutputMethods: + OUTPUT_METHOD_XML + OUTPUT_METHOD_HTML + OUTPUT_METHOD_TEXT + + +cdef int _findOutputMethod(method) except -1: + if method is None: + return OUTPUT_METHOD_XML + method = method.lower() + if method == "xml": + return OUTPUT_METHOD_XML + if method == "html": + return OUTPUT_METHOD_HTML + if method == "text": + return OUTPUT_METHOD_TEXT + raise ValueError(f"unknown output method {method!r}") + + +cdef _textToString(xmlNode* c_node, encoding, bint with_tail): + cdef bint needs_conversion + cdef const_xmlChar* c_text + cdef xmlNode* c_text_node + cdef tree.xmlBuffer* c_buffer + cdef int error_result + + c_buffer = tree.xmlBufferCreate() + if c_buffer is NULL: + raise MemoryError() + + with nogil: + error_result = tree.xmlNodeBufGetContent(c_buffer, c_node) + if with_tail: + c_text_node = _textNodeOrSkip(c_node.next) + while c_text_node is not NULL: + tree.xmlBufferWriteChar(c_buffer, c_text_node.content) + c_text_node = _textNodeOrSkip(c_text_node.next) + c_text = tree.xmlBufferContent(c_buffer) + + if error_result < 0 or c_text is NULL: + tree.xmlBufferFree(c_buffer) + raise SerialisationError, "Error during serialisation (out of memory?)" + + try: + needs_conversion = 0 + if encoding is unicode: + needs_conversion = 1 + elif encoding is not None: + # Python prefers lower case encoding names + encoding = encoding.lower() + if encoding not in ('utf8', 'utf-8'): + if encoding == 'ascii': + if isutf8l(c_text, tree.xmlBufferLength(c_buffer)): + # will raise a decode error below + needs_conversion = 1 + else: + needs_conversion = 1 + + if needs_conversion: + text = (c_text)[:tree.xmlBufferLength(c_buffer)].decode('utf8') + if encoding is not unicode: + encoding = _utf8(encoding) + text = python.PyUnicode_AsEncodedString( + text, encoding, 'strict') + else: + text = (c_text)[:tree.xmlBufferLength(c_buffer)] + finally: + tree.xmlBufferFree(c_buffer) + return text + + +cdef _tostring(_Element element, encoding, doctype, method, + bint write_xml_declaration, bint write_complete_document, + bint pretty_print, bint with_tail, int standalone): + """Serialize an element to an encoded string representation of its XML + tree. + """ + cdef tree.xmlOutputBuffer* c_buffer + cdef tree.xmlBuf* c_result_buffer + cdef tree.xmlCharEncodingHandler* enchandler + cdef const_char* c_enc + cdef const_xmlChar* c_version + cdef const_xmlChar* c_doctype + cdef int c_method + cdef int error_result + if element is None: + return None + _assertValidNode(element) + c_method = _findOutputMethod(method) + if c_method == OUTPUT_METHOD_TEXT: + return _textToString(element._c_node, encoding, with_tail) + if encoding is None or encoding is unicode: + c_enc = NULL + else: + encoding = _utf8(encoding) + c_enc = _cstr(encoding) + if doctype is None: + c_doctype = NULL + else: + doctype = _utf8(doctype) + c_doctype = _xcstr(doctype) + # it is necessary to *and* find the encoding handler *and* use + # encoding during output + enchandler = tree.xmlFindCharEncodingHandler(c_enc) + if enchandler is NULL and c_enc is not NULL: + if encoding is not None: + encoding = encoding.decode('UTF-8') + raise LookupError, f"unknown encoding: '{encoding}'" + c_buffer = tree.xmlAllocOutputBuffer(enchandler) + if c_buffer is NULL: + tree.xmlCharEncCloseFunc(enchandler) + raise MemoryError() + + with nogil: + _writeNodeToBuffer(c_buffer, element._c_node, c_enc, c_doctype, c_method, + write_xml_declaration, write_complete_document, + pretty_print, with_tail, standalone) + tree.xmlOutputBufferFlush(c_buffer) + if c_buffer.conv is not NULL: + c_result_buffer = c_buffer.conv + else: + c_result_buffer = c_buffer.buffer + + error_result = c_buffer.error + if error_result != xmlerror.XML_ERR_OK: + tree.xmlOutputBufferClose(c_buffer) + _raiseSerialisationError(error_result) + + try: + if encoding is unicode: + result = (tree.xmlBufContent( + c_result_buffer))[:tree.xmlBufUse(c_result_buffer)].decode('UTF-8') + else: + result = (tree.xmlBufContent( + c_result_buffer))[:tree.xmlBufUse(c_result_buffer)] + finally: + error_result = tree.xmlOutputBufferClose(c_buffer) + if error_result == -1: + _raiseSerialisationError(error_result) + return result + +cdef bytes _tostringC14N(element_or_tree, bint exclusive, bint with_comments, inclusive_ns_prefixes): + cdef xmlDoc* c_doc + cdef xmlChar* c_buffer = NULL + cdef int byte_count = -1 + cdef bytes result + cdef _Document doc + cdef _Element element + cdef xmlChar **c_inclusive_ns_prefixes + + if isinstance(element_or_tree, _Element): + _assertValidNode(<_Element>element_or_tree) + doc = (<_Element>element_or_tree)._doc + c_doc = _plainFakeRootDoc(doc._c_doc, (<_Element>element_or_tree)._c_node, 0) + else: + doc = _documentOrRaise(element_or_tree) + _assertValidDoc(doc) + c_doc = doc._c_doc + + c_inclusive_ns_prefixes = _convert_ns_prefixes(c_doc.dict, inclusive_ns_prefixes) if inclusive_ns_prefixes else NULL + try: + with nogil: + byte_count = c14n.xmlC14NDocDumpMemory( + c_doc, NULL, exclusive, c_inclusive_ns_prefixes, with_comments, &c_buffer) + + finally: + _destroyFakeDoc(doc._c_doc, c_doc) + if c_inclusive_ns_prefixes is not NULL: + python.lxml_free(c_inclusive_ns_prefixes) + + if byte_count < 0 or c_buffer is NULL: + if c_buffer is not NULL: + tree.xmlFree(c_buffer) + raise C14NError, "C14N failed" + try: + result = c_buffer[:byte_count] + finally: + tree.xmlFree(c_buffer) + return result + +cdef _raiseSerialisationError(int error_result): + if error_result == xmlerror.XML_ERR_NO_MEMORY: + raise MemoryError() + message = ErrorTypes._getName(error_result) + if message is None: + message = f"unknown error {error_result}" + raise SerialisationError, message + +############################################################ +# low-level serialisation functions + +cdef void _writeDoctype(tree.xmlOutputBuffer* c_buffer, + const_xmlChar* c_doctype) noexcept nogil: + tree.xmlOutputBufferWrite(c_buffer, tree.xmlStrlen(c_doctype), + c_doctype) + tree.xmlOutputBufferWriteString(c_buffer, "\n") + +cdef void _writeNodeToBuffer(tree.xmlOutputBuffer* c_buffer, + xmlNode* c_node, const_char* encoding, const_xmlChar* c_doctype, + int c_method, bint write_xml_declaration, + bint write_complete_document, + bint pretty_print, bint with_tail, + int standalone) noexcept nogil: + cdef xmlNode* c_nsdecl_node + cdef xmlDoc* c_doc = c_node.doc + if write_xml_declaration and c_method == OUTPUT_METHOD_XML: + _writeDeclarationToBuffer(c_buffer, c_doc.version, encoding, standalone) + + # comments/processing instructions before doctype declaration + if write_complete_document and not c_buffer.error and c_doc.intSubset: + _writePrevSiblings(c_buffer, c_doc.intSubset, encoding, pretty_print) + + if c_doctype: + _writeDoctype(c_buffer, c_doctype) + # write internal DTD subset, preceding PIs/comments, etc. + if write_complete_document and not c_buffer.error: + if c_doctype is NULL: + _writeDtdToBuffer(c_buffer, c_doc, c_node.name, c_method, encoding) + _writePrevSiblings(c_buffer, c_node, encoding, pretty_print) + + c_nsdecl_node = c_node + if not c_node.parent or c_node.parent.type != tree.XML_DOCUMENT_NODE: + # copy the node and add namespaces from parents + # this is required to make libxml write them + c_nsdecl_node = tree.xmlCopyNode(c_node, 2) + if not c_nsdecl_node: + c_buffer.error = xmlerror.XML_ERR_NO_MEMORY + return + _copyParentNamespaces(c_node, c_nsdecl_node) + + c_nsdecl_node.parent = c_node.parent + c_nsdecl_node.children = c_node.children + c_nsdecl_node.last = c_node.last + + # write node + if c_method == OUTPUT_METHOD_HTML: + tree.htmlNodeDumpFormatOutput( + c_buffer, c_doc, c_nsdecl_node, encoding, pretty_print) + else: + tree.xmlNodeDumpOutput( + c_buffer, c_doc, c_nsdecl_node, 0, pretty_print, encoding) + + if c_nsdecl_node is not c_node: + # clean up + c_nsdecl_node.children = c_nsdecl_node.last = NULL + tree.xmlFreeNode(c_nsdecl_node) + + if c_buffer.error: + return + + # write tail, trailing comments, etc. + if with_tail: + _writeTail(c_buffer, c_node, encoding, c_method, pretty_print) + if write_complete_document: + _writeNextSiblings(c_buffer, c_node, encoding, pretty_print) + if pretty_print: + tree.xmlOutputBufferWrite(c_buffer, 1, "\n") + +cdef void _writeDeclarationToBuffer(tree.xmlOutputBuffer* c_buffer, + const_xmlChar* version, const_char* encoding, + int standalone) noexcept nogil: + if version is NULL: + version = "1.0" + tree.xmlOutputBufferWrite(c_buffer, 15, "version) + tree.xmlOutputBufferWrite(c_buffer, 12, "' encoding='") + tree.xmlOutputBufferWriteString(c_buffer, encoding) + if standalone == 0: + tree.xmlOutputBufferWrite(c_buffer, 20, "' standalone='no'?>\n") + elif standalone == 1: + tree.xmlOutputBufferWrite(c_buffer, 21, "' standalone='yes'?>\n") + else: + tree.xmlOutputBufferWrite(c_buffer, 4, "'?>\n") + +cdef void _writeDtdToBuffer(tree.xmlOutputBuffer* c_buffer, + xmlDoc* c_doc, const_xmlChar* c_root_name, + int c_method, const_char* encoding) noexcept nogil: + cdef tree.xmlDtd* c_dtd + cdef xmlNode* c_node + cdef char* quotechar + c_dtd = c_doc.intSubset + if not c_dtd or not c_dtd.name: + return + + # Name in document type declaration must match the root element tag. + # For XML, case sensitive match, for HTML insensitive. + if c_method == OUTPUT_METHOD_HTML: + if tree.xmlStrcasecmp(c_root_name, c_dtd.name) != 0: + return + else: + if tree.xmlStrcmp(c_root_name, c_dtd.name) != 0: + return + + tree.xmlOutputBufferWrite(c_buffer, 10, "c_dtd.name) + + cdef const_xmlChar* public_id = c_dtd.ExternalID + cdef const_xmlChar* sys_url = c_dtd.SystemID + if public_id and public_id[0] == b'\0': + public_id = NULL + if sys_url and sys_url[0] == b'\0': + sys_url = NULL + + if public_id: + tree.xmlOutputBufferWrite(c_buffer, 9, ' PUBLIC "') + tree.xmlOutputBufferWriteString(c_buffer, public_id) + if sys_url: + tree.xmlOutputBufferWrite(c_buffer, 2, '" ') + else: + tree.xmlOutputBufferWrite(c_buffer, 1, '"') + elif sys_url: + tree.xmlOutputBufferWrite(c_buffer, 8, ' SYSTEM ') + + if sys_url: + if tree.xmlStrchr(sys_url, b'"'): + quotechar = '\'' + else: + quotechar = '"' + tree.xmlOutputBufferWrite(c_buffer, 1, quotechar) + tree.xmlOutputBufferWriteString(c_buffer, sys_url) + tree.xmlOutputBufferWrite(c_buffer, 1, quotechar) + + if (not c_dtd.entities and not c_dtd.elements and + not c_dtd.attributes and not c_dtd.notations and + not c_dtd.pentities): + tree.xmlOutputBufferWrite(c_buffer, 2, '>\n') + return + + tree.xmlOutputBufferWrite(c_buffer, 3, ' [\n') + if c_dtd.notations and not c_buffer.error: + c_buf = tree.xmlBufferCreate() + if not c_buf: + c_buffer.error = xmlerror.XML_ERR_NO_MEMORY + return + tree.xmlDumpNotationTable(c_buf, c_dtd.notations) + tree.xmlOutputBufferWrite( + c_buffer, tree.xmlBufferLength(c_buf), + tree.xmlBufferContent(c_buf)) + tree.xmlBufferFree(c_buf) + c_node = c_dtd.children + while c_node and not c_buffer.error: + tree.xmlNodeDumpOutput(c_buffer, c_node.doc, c_node, 0, 0, encoding) + c_node = c_node.next + tree.xmlOutputBufferWrite(c_buffer, 3, "]>\n") + +cdef void _writeTail(tree.xmlOutputBuffer* c_buffer, xmlNode* c_node, + const_char* encoding, int c_method, bint pretty_print) noexcept nogil: + "Write the element tail." + c_node = c_node.next + while c_node and not c_buffer.error and c_node.type in ( + tree.XML_TEXT_NODE, tree.XML_CDATA_SECTION_NODE): + if c_method == OUTPUT_METHOD_HTML: + tree.htmlNodeDumpFormatOutput( + c_buffer, c_node.doc, c_node, encoding, pretty_print) + else: + tree.xmlNodeDumpOutput( + c_buffer, c_node.doc, c_node, 0, pretty_print, encoding) + c_node = c_node.next + +cdef void _writePrevSiblings(tree.xmlOutputBuffer* c_buffer, xmlNode* c_node, + const_char* encoding, bint pretty_print) noexcept nogil: + cdef xmlNode* c_sibling + if c_node.parent and _isElement(c_node.parent): + return + # we are at a root node, so add PI and comment siblings + c_sibling = c_node + while c_sibling.prev and \ + (c_sibling.prev.type == tree.XML_PI_NODE or + c_sibling.prev.type == tree.XML_COMMENT_NODE): + c_sibling = c_sibling.prev + while c_sibling is not c_node and not c_buffer.error: + tree.xmlNodeDumpOutput(c_buffer, c_node.doc, c_sibling, 0, + pretty_print, encoding) + if pretty_print: + tree.xmlOutputBufferWriteString(c_buffer, "\n") + c_sibling = c_sibling.next + +cdef void _writeNextSiblings(tree.xmlOutputBuffer* c_buffer, xmlNode* c_node, + const_char* encoding, bint pretty_print) noexcept nogil: + cdef xmlNode* c_sibling + if c_node.parent and _isElement(c_node.parent): + return + # we are at a root node, so add PI and comment siblings + c_sibling = c_node.next + while not c_buffer.error and c_sibling and \ + (c_sibling.type == tree.XML_PI_NODE or + c_sibling.type == tree.XML_COMMENT_NODE): + if pretty_print: + tree.xmlOutputBufferWriteString(c_buffer, "\n") + tree.xmlNodeDumpOutput(c_buffer, c_node.doc, c_sibling, 0, + pretty_print, encoding) + c_sibling = c_sibling.next + + +# copied and adapted from libxml2 (xmlBufAttrSerializeTxtContent()) +cdef _write_attr_string(tree.xmlOutputBuffer* buf, const char *string): + cdef const char *base + cdef const char *cur + + if string == NULL: + return + + base = cur = string + while cur[0] != 0: + if cur[0] == b'\n': + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + tree.xmlOutputBufferWrite(buf, 5, " ") + cur += 1 + base = cur + + elif cur[0] == b'\r': + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + tree.xmlOutputBufferWrite(buf, 5, " ") + cur += 1 + base = cur + + elif cur[0] == b'\t': + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + tree.xmlOutputBufferWrite(buf, 4, " ") + cur += 1 + base = cur + + elif cur[0] == b'"': + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + tree.xmlOutputBufferWrite(buf, 6, """) + cur += 1 + base = cur + + elif cur[0] == b'<': + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + tree.xmlOutputBufferWrite(buf, 4, "<") + cur += 1 + base = cur + + elif cur[0] == b'>': + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + tree.xmlOutputBufferWrite(buf, 4, ">") + cur += 1 + base = cur + elif cur[0] == b'&': + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + tree.xmlOutputBufferWrite(buf, 5, "&") + cur += 1 + base = cur + + else: + # Leave further encoding and escaping to the buffer encoder. + cur += 1 + + if base != cur: + tree.xmlOutputBufferWrite(buf, cur - base, base) + + +cdef void _write_cdata_section(tree.xmlOutputBuffer* buf, const char* c_data, const char* c_end): + tree.xmlOutputBufferWrite(buf, 9, " limits.INT_MAX: + tree.xmlOutputBufferWrite(buf, limits.INT_MAX, c_data) + c_data += limits.INT_MAX + tree.xmlOutputBufferWrite(buf, c_end - c_data, c_data) + tree.xmlOutputBufferWrite(buf, 3, "]]>") + + +cdef _write_cdata_string(tree.xmlOutputBuffer* buf, bytes bstring): + cdef const char* c_data = bstring + cdef const char* c_end = c_data + len(bstring) + cdef const char* c_pos = c_data + cdef bint nothing_written = True + + while True: + c_pos = cstring_h.memchr(c_pos, b']', c_end - c_pos) + if not c_pos: + break + c_pos += 1 + next_char = c_pos[0] + c_pos += 1 + if next_char != b']': + continue + # Found ']]', c_pos points to next character. + while c_pos[0] == b']': + c_pos += 1 + if c_pos[0] != b'>': + if c_pos == c_end: + break + # c_pos[0] is neither ']' nor '>', continue with next character. + c_pos += 1 + continue + + # Write section up to ']]' and start next block at trailing '>'. + _write_cdata_section(buf, c_data, c_pos) + nothing_written = False + c_data = c_pos + c_pos += 1 + + if nothing_written or c_data < c_end: + _write_cdata_section(buf, c_data, c_end) + + +############################################################ +# output to file-like objects + +cdef object io_open +from io import open as io_open + +cdef object gzip +import gzip + +cdef object getwriter +from codecs import getwriter +cdef object utf8_writer = getwriter('utf8') + +cdef object contextmanager +from contextlib import contextmanager + +cdef object _open_utf8_file + +@contextmanager +def _open_utf8_file(file, compression=0): + file = _getFSPathOrObject(file) + if _isString(file): + if compression: + with gzip.GzipFile(file, mode='wb', compresslevel=compression) as zf: + yield utf8_writer(zf) + else: + with io_open(file, 'w', encoding='utf8') as f: + yield f + else: + if compression: + with gzip.GzipFile(fileobj=file, mode='wb', compresslevel=compression) as zf: + yield utf8_writer(zf) + else: + yield utf8_writer(file) + + +@cython.final +@cython.internal +cdef class _FilelikeWriter: + cdef object _filelike + cdef object _close_filelike + cdef _ExceptionContext _exc_context + cdef _ErrorLog error_log + + def __cinit__(self, filelike, exc_context=None, compression=None, close=False): + if compression is not None and compression > 0: + filelike = GzipFile( + fileobj=filelike, mode='wb', compresslevel=compression) + self._close_filelike = filelike.close + elif close: + self._close_filelike = filelike.close + self._filelike = filelike + if exc_context is None: + self._exc_context = _ExceptionContext() + else: + self._exc_context = exc_context + self.error_log = _ErrorLog() + + cdef tree.xmlOutputBuffer* _createOutputBuffer( + self, tree.xmlCharEncodingHandler* enchandler) except NULL: + cdef tree.xmlOutputBuffer* c_buffer + c_buffer = tree.xmlOutputBufferCreateIO( + _writeFilelikeWriter, _closeFilelikeWriter, + self, enchandler) + if c_buffer is NULL: + raise IOError, "Could not create I/O writer context." + return c_buffer + + cdef int write(self, char* c_buffer, int size) noexcept: + try: + if self._filelike is None: + raise IOError, "File is already closed" + py_buffer = c_buffer[:size] + self._filelike.write(py_buffer) + except: + size = -1 + self._exc_context._store_raised() + finally: + return size # and swallow any further exceptions + + cdef int close(self) noexcept: + retval = 0 + try: + if self._close_filelike is not None: + self._close_filelike() + # we should not close the file here as we didn't open it + self._filelike = None + except: + retval = -1 + self._exc_context._store_raised() + finally: + return retval # and swallow any further exceptions + +cdef int _writeFilelikeWriter(void* ctxt, char* c_buffer, int length) noexcept: + return (<_FilelikeWriter>ctxt).write(c_buffer, length) + +cdef int _closeFilelikeWriter(void* ctxt) noexcept: + return (<_FilelikeWriter>ctxt).close() + +cdef _tofilelike(f, _Element element, encoding, doctype, method, + bint write_xml_declaration, bint write_doctype, + bint pretty_print, bint with_tail, int standalone, + int compression): + cdef _FilelikeWriter writer = None + cdef tree.xmlOutputBuffer* c_buffer + cdef tree.xmlCharEncodingHandler* enchandler + cdef const_char* c_enc + cdef const_xmlChar* c_doctype + cdef int error_result + + c_method = _findOutputMethod(method) + if c_method == OUTPUT_METHOD_TEXT: + data = _textToString(element._c_node, encoding, with_tail) + if compression: + bytes_out = BytesIO() + with GzipFile(fileobj=bytes_out, mode='wb', compresslevel=compression) as gzip_file: + gzip_file.write(data) + data = bytes_out.getvalue() + f = _getFSPathOrObject(f) + if _isString(f): + filename8 = _encodeFilename(f) + with open(filename8, 'wb') as f: + f.write(data) + else: + f.write(data) + return + + if encoding is None: + c_enc = NULL + else: + encoding = _utf8(encoding) + c_enc = _cstr(encoding) + if doctype is None: + c_doctype = NULL + else: + doctype = _utf8(doctype) + c_doctype = _xcstr(doctype) + + writer = _create_output_buffer(f, c_enc, compression, &c_buffer, close=False) + if writer is None: + with nogil: + error_result = _serialise_node( + c_buffer, c_doctype, c_enc, element._c_node, c_method, + write_xml_declaration, write_doctype, pretty_print, with_tail, standalone) + else: + error_result = _serialise_node( + c_buffer, c_doctype, c_enc, element._c_node, c_method, + write_xml_declaration, write_doctype, pretty_print, with_tail, standalone) + + if writer is not None: + writer._exc_context._raise_if_stored() + if error_result != xmlerror.XML_ERR_OK: + _raiseSerialisationError(error_result) + + +cdef int _serialise_node(tree.xmlOutputBuffer* c_buffer, const_xmlChar* c_doctype, + const_char* c_enc, xmlNode* c_node, int c_method, + bint write_xml_declaration, bint write_doctype, bint pretty_print, + bint with_tail, int standalone) noexcept nogil: + _writeNodeToBuffer( + c_buffer, c_node, c_enc, c_doctype, c_method, + write_xml_declaration, write_doctype, pretty_print, with_tail, standalone) + error_result = c_buffer.error + if error_result == xmlerror.XML_ERR_OK: + error_result = tree.xmlOutputBufferClose(c_buffer) + if error_result != -1: + error_result = xmlerror.XML_ERR_OK + else: + tree.xmlOutputBufferClose(c_buffer) + return error_result + + +cdef _FilelikeWriter _create_output_buffer( + f, const_char* c_enc, int c_compression, + tree.xmlOutputBuffer** c_buffer_ret, bint close): + cdef tree.xmlOutputBuffer* c_buffer + cdef _FilelikeWriter writer + cdef bytes filename8 + enchandler = tree.xmlFindCharEncodingHandler(c_enc) + if enchandler is NULL: + raise LookupError( + f"unknown encoding: '{c_enc.decode('UTF-8') if c_enc is not NULL else u''}'") + try: + f = _getFSPathOrObject(f) + + if c_compression and not HAS_ZLIB_COMPRESSION and _isString(f): + # Let "_FilelikeWriter" fall back to Python's GzipFile. + f = open(f, mode="wb") + close = True + + if _isString(f): + filename8 = _encodeFilename(f) + if b'%' in filename8 and ( + # Exclude absolute Windows paths and file:// URLs. + _isFilePath(filename8) not in (NO_FILE_PATH, ABS_WIN_FILE_PATH) + or filename8[:7].lower() == b'file://'): + # A file path (not a URL) containing the '%' URL escape character. + # libxml2 uses URL-unescaping on these, so escape the path before passing it in. + filename8 = filename8.replace(b'%', b'%25') + c_buffer = tree.xmlOutputBufferCreateFilename( + _cstr(filename8), enchandler, c_compression) + if c_buffer is NULL: + python.PyErr_SetFromErrno(IOError) # raises IOError + writer = None + elif hasattr(f, 'write'): + writer = _FilelikeWriter(f, compression=c_compression, close=close) + c_buffer = writer._createOutputBuffer(enchandler) + else: + raise TypeError( + f"File or filename expected, got '{python._fqtypename(f).decode('UTF-8')}'") + except: + tree.xmlCharEncCloseFunc(enchandler) + raise + c_buffer_ret[0] = c_buffer + return writer + +cdef xmlChar **_convert_ns_prefixes(tree.xmlDict* c_dict, ns_prefixes) except NULL: + cdef size_t i, num_ns_prefixes = len(ns_prefixes) + # Need to allocate one extra memory block to handle last NULL entry + c_ns_prefixes = python.lxml_malloc(num_ns_prefixes + 1, sizeof(xmlChar*)) + if not c_ns_prefixes: + raise MemoryError() + i = 0 + try: + for prefix in ns_prefixes: + prefix_utf = _utf8(prefix) + c_prefix_len = len(prefix_utf) + if c_prefix_len > limits.INT_MAX: + raise ValueError("Prefix too long") + c_prefix = tree.xmlDictExists(c_dict, _xcstr(prefix_utf), c_prefix_len) + if c_prefix: + # unknown prefixes do not need to get serialised + c_ns_prefixes[i] = c_prefix + i += 1 + except: + python.lxml_free(c_ns_prefixes) + raise + + c_ns_prefixes[i] = NULL # append end marker + return c_ns_prefixes + +cdef _tofilelikeC14N(f, _Element element, bint exclusive, bint with_comments, + int compression, inclusive_ns_prefixes): + cdef _FilelikeWriter writer = None + cdef tree.xmlOutputBuffer* c_buffer + cdef xmlChar **c_inclusive_ns_prefixes = NULL + cdef char* c_filename + cdef xmlDoc* c_base_doc + cdef xmlDoc* c_doc + cdef int bytes_count, error = 0 + + c_base_doc = element._c_node.doc + c_doc = _fakeRootDoc(c_base_doc, element._c_node) + try: + c_inclusive_ns_prefixes = ( + _convert_ns_prefixes(c_doc.dict, inclusive_ns_prefixes) + if inclusive_ns_prefixes else NULL) + + f = _getFSPathOrObject(f) + + close = False + if compression and not HAS_ZLIB_COMPRESSION and _isString(f): + # Let "_FilelikeWriter" fall back to Python's GzipFile. + f = open(f, mode="wb") + close = True + + if _isString(f): + filename8 = _encodeFilename(f) + c_filename = _cstr(filename8) + with nogil: + error = c14n.xmlC14NDocSave( + c_doc, NULL, exclusive, c_inclusive_ns_prefixes, + with_comments, c_filename, compression) + elif hasattr(f, 'write'): + writer = _FilelikeWriter(f, compression=compression, close=close) + c_buffer = writer._createOutputBuffer(NULL) + try: + with writer.error_log: + bytes_count = c14n.xmlC14NDocSaveTo( + c_doc, NULL, exclusive, c_inclusive_ns_prefixes, + with_comments, c_buffer) + finally: + error = tree.xmlOutputBufferClose(c_buffer) + if bytes_count < 0: + error = bytes_count + elif error != -1: + error = xmlerror.XML_ERR_OK + else: + raise TypeError(f"File or filename expected, got '{python._fqtypename(f).decode('UTF-8')}'") + finally: + _destroyFakeDoc(c_base_doc, c_doc) + if c_inclusive_ns_prefixes is not NULL: + python.lxml_free(c_inclusive_ns_prefixes) + + if writer is not None: + writer._exc_context._raise_if_stored() + + if error < 0: + message = "C14N failed" + if writer is not None: + errors = writer.error_log + if len(errors): + message = errors[0].message + raise C14NError(message) + + +# C14N 2.0 + +def canonicalize(xml_data=None, *, out=None, from_file=None, **options): + """Convert XML to its C14N 2.0 serialised form. + + If *out* is provided, it must be a file or file-like object that receives + the serialised canonical XML output (text, not bytes) through its ``.write()`` + method. To write to a file, open it in text mode with encoding "utf-8". + If *out* is not provided, this function returns the output as text string. + + Either *xml_data* (an XML string, tree or Element) or *file* + (a file path or file-like object) must be provided as input. + + The configuration options are the same as for the ``C14NWriterTarget``. + """ + if xml_data is None and from_file is None: + raise ValueError("Either 'xml_data' or 'from_file' must be provided as input") + + sio = None + if out is None: + sio = out = StringIO() + + target = C14NWriterTarget(out.write, **options) + + if xml_data is not None and not isinstance(xml_data, basestring): + _tree_to_target(xml_data, target) + return sio.getvalue() if sio is not None else None + + cdef _FeedParser parser = XMLParser( + target=target, + attribute_defaults=True, + collect_ids=False, + ) + + if xml_data is not None: + parser.feed(xml_data) + parser.close() + elif from_file is not None: + try: + _parseDocument(from_file, parser, base_url=None) + except _TargetParserResult: + pass + + return sio.getvalue() if sio is not None else None + + +cdef _tree_to_target(element, target): + for event, elem in iterwalk(element, events=('start', 'end', 'start-ns', 'comment', 'pi')): + text = None + if event == 'start': + target.start(elem.tag, elem.attrib) + text = elem.text + elif event == 'end': + target.end(elem.tag) + text = elem.tail + elif event == 'start-ns': + target.start_ns(*elem) + continue + elif event == 'comment': + target.comment(elem.text) + text = elem.tail + elif event == 'pi': + target.pi(elem.target, elem.text) + text = elem.tail + if text: + target.data(text) + return target.close() + + +cdef object _looks_like_prefix_name = re.compile(r'^\w+:\w+$', re.UNICODE).match + + +cdef class C14NWriterTarget: + """ + Canonicalization writer target for the XMLParser. + + Serialises parse events to XML C14N 2.0. + + Configuration options: + + - *with_comments*: set to true to include comments + - *strip_text*: set to true to strip whitespace before and after text content + - *rewrite_prefixes*: set to true to replace namespace prefixes by "n{number}" + - *qname_aware_tags*: a set of qname aware tag names in which prefixes + should be replaced in text content + - *qname_aware_attrs*: a set of qname aware attribute names in which prefixes + should be replaced in text content + - *exclude_attrs*: a set of attribute names that should not be serialised + - *exclude_tags*: a set of tag names that should not be serialised + """ + cdef object _write + cdef list _data + cdef set _qname_aware_tags + cdef object _find_qname_aware_attrs + cdef list _declared_ns_stack + cdef list _ns_stack + cdef dict _prefix_map + cdef list _preserve_space + cdef tuple _pending_start + cdef set _exclude_tags + cdef set _exclude_attrs + cdef Py_ssize_t _ignored_depth + cdef bint _with_comments + cdef bint _strip_text + cdef bint _rewrite_prefixes + cdef bint _root_seen + cdef bint _root_done + + def __init__(self, write, *, + with_comments=False, strip_text=False, rewrite_prefixes=False, + qname_aware_tags=None, qname_aware_attrs=None, + exclude_attrs=None, exclude_tags=None): + self._write = write + self._data = [] + self._with_comments = with_comments + self._strip_text = strip_text + self._exclude_attrs = set(exclude_attrs) if exclude_attrs else None + self._exclude_tags = set(exclude_tags) if exclude_tags else None + + self._rewrite_prefixes = rewrite_prefixes + if qname_aware_tags: + self._qname_aware_tags = set(qname_aware_tags) + else: + self._qname_aware_tags = None + if qname_aware_attrs: + self._find_qname_aware_attrs = set(qname_aware_attrs).intersection + else: + self._find_qname_aware_attrs = None + + # Stack with globally and newly declared namespaces as (uri, prefix) pairs. + self._declared_ns_stack = [[ + ("http://www.w3.org/XML/1998/namespace", "xml"), + ]] + # Stack with user declared namespace prefixes as (uri, prefix) pairs. + self._ns_stack = [] + if not rewrite_prefixes: + self._ns_stack.append(_DEFAULT_NAMESPACE_PREFIXES_ITEMS) + self._ns_stack.append([]) + self._prefix_map = {} + self._preserve_space = [False] + self._pending_start = None + self._ignored_depth = 0 + self._root_seen = False + self._root_done = False + + def _iter_namespaces(self, ns_stack): + for namespaces in reversed(ns_stack): + if namespaces: # almost no element declares new namespaces + yield from namespaces + + cdef _resolve_prefix_name(self, prefixed_name): + prefix, name = prefixed_name.split(':', 1) + for uri, p in self._iter_namespaces(self._ns_stack): + if p == prefix: + return f'{{{uri}}}{name}' + raise ValueError(f'Prefix {prefix} of QName "{prefixed_name}" is not declared in scope') + + cdef _qname(self, qname, uri=None): + if uri is None: + uri, tag = qname[1:].rsplit('}', 1) if qname[:1] == '{' else ('', qname) + else: + tag = qname + + prefixes_seen = set() + for u, prefix in self._iter_namespaces(self._declared_ns_stack): + if u == uri and prefix not in prefixes_seen: + return f'{prefix}:{tag}' if prefix else tag, tag, uri + prefixes_seen.add(prefix) + + # Not declared yet => add new declaration. + if self._rewrite_prefixes: + if uri in self._prefix_map: + prefix = self._prefix_map[uri] + else: + prefix = self._prefix_map[uri] = f'n{len(self._prefix_map)}' + self._declared_ns_stack[-1].append((uri, prefix)) + return f'{prefix}:{tag}', tag, uri + + if not uri and '' not in prefixes_seen: + # No default namespace declared => no prefix needed. + return tag, tag, uri + + for u, prefix in self._iter_namespaces(self._ns_stack): + if u == uri: + self._declared_ns_stack[-1].append((uri, prefix)) + return f'{prefix}:{tag}' if prefix else tag, tag, uri + + if not uri: + # As soon as a default namespace is defined, + # anything that has no namespace (and thus, no prefix) goes there. + return tag, tag, uri + + raise ValueError(f'Namespace "{uri}" of name "{tag}" is not declared in scope') + + def data(self, data): + if not self._ignored_depth: + self._data.append(data) + + cdef _flush(self): + cdef unicode data = ''.join(self._data) + del self._data[:] + if self._strip_text and not self._preserve_space[-1]: + data = data.strip() + if self._pending_start is not None: + (tag, attrs, new_namespaces), self._pending_start = self._pending_start, None + qname_text = data if ':' in data and _looks_like_prefix_name(data) else None + self._start(tag, attrs, new_namespaces, qname_text) + if qname_text is not None: + return + if data and self._root_seen: + self._write(_escape_cdata_c14n(data)) + + def start_ns(self, prefix, uri): + if self._ignored_depth: + return + # we may have to resolve qnames in text content + if self._data: + self._flush() + self._ns_stack[-1].append((uri, prefix)) + + def start(self, tag, attrs): + if self._exclude_tags is not None and ( + self._ignored_depth or tag in self._exclude_tags): + self._ignored_depth += 1 + return + if self._data: + self._flush() + + new_namespaces = [] + self._declared_ns_stack.append(new_namespaces) + + if self._qname_aware_tags is not None and tag in self._qname_aware_tags: + # Need to parse text first to see if it requires a prefix declaration. + self._pending_start = (tag, attrs, new_namespaces) + return + self._start(tag, attrs, new_namespaces) + + cdef _start(self, tag, attrs, new_namespaces, qname_text=None): + if self._exclude_attrs is not None and attrs: + attrs = {k: v for k, v in attrs.items() if k not in self._exclude_attrs} + + qnames = {tag, *attrs} + resolved_names = {} + + # Resolve prefixes in attribute and tag text. + if qname_text is not None: + qname = resolved_names[qname_text] = self._resolve_prefix_name(qname_text) + qnames.add(qname) + if self._find_qname_aware_attrs is not None and attrs: + qattrs = self._find_qname_aware_attrs(attrs) + if qattrs: + for attr_name in qattrs: + value = attrs[attr_name] + if _looks_like_prefix_name(value): + qname = resolved_names[value] = self._resolve_prefix_name(value) + qnames.add(qname) + else: + qattrs = None + else: + qattrs = None + + # Assign prefixes in lexicographical order of used URIs. + parsed_qnames = {n: self._qname(n) for n in sorted( + qnames, key=lambda n: n.split('}', 1))} + + # Write namespace declarations in prefix order ... + if new_namespaces: + attr_list = [ + ('xmlns:' + prefix if prefix else 'xmlns', uri) + for uri, prefix in new_namespaces + ] + attr_list.sort() + else: + # almost always empty + attr_list = [] + + # ... followed by attributes in URI+name order + if attrs: + for k, v in sorted(attrs.items()): + if qattrs is not None and k in qattrs and v in resolved_names: + v = parsed_qnames[resolved_names[v]][0] + attr_qname, attr_name, uri = parsed_qnames[k] + # No prefix for attributes in default ('') namespace. + attr_list.append((attr_qname if uri else attr_name, v)) + + # Honour xml:space attributes. + space_behaviour = attrs.get('{http://www.w3.org/XML/1998/namespace}space') + self._preserve_space.append( + space_behaviour == 'preserve' if space_behaviour + else self._preserve_space[-1]) + + # Write the tag. + write = self._write + write('<' + parsed_qnames[tag][0]) + if attr_list: + write(''.join([f' {k}="{_escape_attrib_c14n(v)}"' for k, v in attr_list])) + write('>') + + # Write the resolved qname text content. + if qname_text is not None: + write(_escape_cdata_c14n(parsed_qnames[resolved_names[qname_text]][0])) + + self._root_seen = True + self._ns_stack.append([]) + + def end(self, tag): + if self._ignored_depth: + self._ignored_depth -= 1 + return + if self._data: + self._flush() + self._write(f'') + self._preserve_space.pop() + self._root_done = len(self._preserve_space) == 1 + self._declared_ns_stack.pop() + self._ns_stack.pop() + + def comment(self, text): + if not self._with_comments: + return + if self._ignored_depth: + return + if self._root_done: + self._write('\n') + elif self._root_seen and self._data: + self._flush() + self._write(f'') + if not self._root_seen: + self._write('\n') + + def pi(self, target, data): + if self._ignored_depth: + return + if self._root_done: + self._write('\n') + elif self._root_seen and self._data: + self._flush() + self._write( + f'' if data else f'') + if not self._root_seen: + self._write('\n') + + def close(self): + return None + + +cdef _raise_serialization_error(text): + raise TypeError("cannot serialize %r (type %s)" % (text, type(text).__name__)) + + +cdef unicode _escape_cdata_c14n(stext): + # escape character data + cdef unicode text + cdef Py_UCS4 ch + cdef Py_ssize_t start = 0, pos = 0 + cdef list substrings = None + try: + text = unicode(stext) + except (TypeError, AttributeError): + return _raise_serialization_error(stext) + + for pos, ch in enumerate(text): + if ch == '&': + escape = '&' + elif ch == '<': + escape = '<' + elif ch == '>': + escape = '>' + elif ch == '\r': + escape = ' ' + else: + continue + + if substrings is None: + substrings = [] + if pos > start: + substrings.append(text[start:pos]) + substrings.append(escape) + start = pos + 1 + + if substrings is None: + return text + if pos >= start: + substrings.append(text[start:pos+1]) + return ''.join(substrings) + + +cdef unicode _escape_attrib_c14n(stext): + # escape attribute value + cdef unicode text + cdef Py_UCS4 ch + cdef Py_ssize_t start = 0, pos = 0 + cdef list substrings = None + try: + text = unicode(stext) + except (TypeError, AttributeError): + return _raise_serialization_error(stext) + + for pos, ch in enumerate(text): + if ch == '&': + escape = '&' + elif ch == '<': + escape = '<' + elif ch == '"': + escape = '"' + elif ch == '\t': + escape = ' ' + elif ch == '\n': + escape = ' ' + elif ch == '\r': + escape = ' ' + else: + continue + + if substrings is None: + substrings = [] + if pos > start: + substrings.append(text[start:pos]) + substrings.append(escape) + start = pos + 1 + + if substrings is None: + return text + if pos >= start: + substrings.append(text[start:pos+1]) + return ''.join(substrings) + + +# incremental serialisation + +cdef class xmlfile: + """xmlfile(self, output_file, encoding=None, compression=None, close=False, buffered=True) + + A simple mechanism for incremental XML serialisation. + + Usage example:: + + with xmlfile("somefile.xml", encoding='utf-8') as xf: + xf.write_declaration(standalone=True) + xf.write_doctype('') + + # generate an element (the root element) + with xf.element('root'): + # write a complete Element into the open root element + xf.write(etree.Element('test')) + + # generate and write more Elements, e.g. through iterparse + for element in generate_some_elements(): + # serialise generated elements into the XML file + xf.write(element) + + # or write multiple Elements or strings at once + xf.write(etree.Element('start'), "text", etree.Element('end')) + + If 'output_file' is a file(-like) object, passing ``close=True`` will + close it when exiting the context manager. By default, it is left + to the owner to do that. When a file path is used, lxml will take care + of opening and closing the file itself. Also, when a compression level + is set, lxml will deliberately close the file to make sure all data gets + compressed and written. + + Setting ``buffered=False`` will flush the output after each operation, + such as opening or closing an ``xf.element()`` block or calling + ``xf.write()``. Alternatively, calling ``xf.flush()`` can be used to + explicitly flush any pending output when buffering is enabled. + """ + cdef object output_file + cdef bytes encoding + cdef _IncrementalFileWriter writer + cdef _AsyncIncrementalFileWriter async_writer + cdef int compresslevel + cdef bint close + cdef bint buffered + cdef int method + + def __init__(self, output_file not None, encoding=None, compression=None, + close=False, buffered=True): + self.output_file = output_file + self.encoding = _utf8orNone(encoding) + self.compresslevel = compression or 0 + self.close = close + self.buffered = buffered + self.method = OUTPUT_METHOD_XML + + def __enter__(self): + assert self.output_file is not None + self.writer = _IncrementalFileWriter( + self.output_file, self.encoding, self.compresslevel, + self.close, self.buffered, self.method) + return self.writer + + def __exit__(self, exc_type, exc_val, exc_tb): + if self.writer is not None: + old_writer, self.writer = self.writer, None + raise_on_error = exc_type is None + old_writer._close(raise_on_error) + if self.close: + self.output_file = None + + async def __aenter__(self): + assert self.output_file is not None + if isinstance(self.output_file, basestring): + raise TypeError("Cannot asynchronously write to a plain file") + if not hasattr(self.output_file, 'write'): + raise TypeError("Output file needs an async .write() method") + self.async_writer = _AsyncIncrementalFileWriter( + self.output_file, self.encoding, self.compresslevel, + self.close, self.buffered, self.method) + return self.async_writer + + async def __aexit__(self, exc_type, exc_val, exc_tb): + if self.async_writer is not None: + old_writer, self.async_writer = self.async_writer, None + raise_on_error = exc_type is None + await old_writer._close(raise_on_error) + if self.close: + self.output_file = None + + +cdef class htmlfile(xmlfile): + """htmlfile(self, output_file, encoding=None, compression=None, close=False, buffered=True) + + A simple mechanism for incremental HTML serialisation. Works the same as + xmlfile. + """ + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.method = OUTPUT_METHOD_HTML + + +cdef enum _IncrementalFileWriterStatus: + WRITER_STARTING = 0 + WRITER_DECL_WRITTEN = 1 + WRITER_DTD_WRITTEN = 2 + WRITER_IN_ELEMENT = 3 + WRITER_FINISHED = 4 + + +@cython.final +@cython.internal +cdef class _IncrementalFileWriter: + cdef tree.xmlOutputBuffer* _c_out + cdef bytes _encoding + cdef const_char* _c_encoding + cdef _FilelikeWriter _target + cdef list _element_stack + cdef int _status + cdef int _method + cdef bint _buffered + + def __cinit__(self, outfile, bytes encoding, int compresslevel, bint close, + bint buffered, int method): + self._status = WRITER_STARTING + self._element_stack = [] + if encoding is None: + # We always need a document encoding to make the attribute serialisation + # of libxml2 identical to ours. + encoding = b'ASCII' + self._encoding = encoding + self._c_encoding = _cstr(encoding) + self._buffered = buffered + self._target = _create_output_buffer( + outfile, self._c_encoding, compresslevel, &self._c_out, close) + self._method = method + + def __dealloc__(self): + if self._c_out is not NULL: + tree.xmlOutputBufferClose(self._c_out) + + def write_declaration(self, version=None, standalone=None, doctype=None): + """write_declaration(self, version=None, standalone=None, doctype=None) + + Write an XML declaration and (optionally) a doctype into the file. + """ + assert self._c_out is not NULL + cdef const_xmlChar* c_version + cdef int c_standalone + if self._method != OUTPUT_METHOD_XML: + raise LxmlSyntaxError("only XML documents have declarations") + if self._status >= WRITER_DECL_WRITTEN: + raise LxmlSyntaxError("XML declaration already written") + version = _utf8orNone(version) + c_version = _xcstr(version) if version is not None else NULL + doctype = _utf8orNone(doctype) + if standalone is None: + c_standalone = -1 + else: + c_standalone = 1 if standalone else 0 + _writeDeclarationToBuffer(self._c_out, c_version, self._c_encoding, c_standalone) + if doctype is not None: + _writeDoctype(self._c_out, _xcstr(doctype)) + self._status = WRITER_DTD_WRITTEN + else: + self._status = WRITER_DECL_WRITTEN + if not self._buffered: + tree.xmlOutputBufferFlush(self._c_out) + self._handle_error(self._c_out.error) + + def write_doctype(self, doctype): + """write_doctype(self, doctype) + + Writes the given doctype declaration verbatimly into the file. + """ + assert self._c_out is not NULL + if doctype is None: + return + if self._status >= WRITER_DTD_WRITTEN: + raise LxmlSyntaxError("DOCTYPE already written or cannot write it here") + doctype = _utf8(doctype) + _writeDoctype(self._c_out, _xcstr(doctype)) + self._status = WRITER_DTD_WRITTEN + if not self._buffered: + tree.xmlOutputBufferFlush(self._c_out) + self._handle_error(self._c_out.error) + + def method(self, method): + """method(self, method) + + Returns a context manager that overrides and restores the output method. + method is one of (None, 'xml', 'html') where None means 'xml'. + """ + assert self._c_out is not NULL + c_method = self._method if method is None else _findOutputMethod(method) + return _MethodChanger(self, c_method) + + def element(self, tag, attrib=None, nsmap=None, method=None, **_extra): + """element(self, tag, attrib=None, nsmap=None, method, **_extra) + + Returns a context manager that writes an opening and closing tag. + method is one of (None, 'xml', 'html') where None means 'xml'. + """ + assert self._c_out is not NULL + attributes = [] + if attrib is not None: + for name, value in _iter_attrib(attrib): + if name not in _extra: + ns, name = _getNsTag(name) + attributes.append((ns, name, _utf8(value))) + if _extra: + for name, value in _extra.iteritems(): + ns, name = _getNsTag(name) + attributes.append((ns, name, _utf8(value))) + reversed_nsmap = {} + if nsmap: + for prefix, ns in nsmap.items(): + if prefix is not None: + prefix = _utf8(prefix) + _prefixValidOrRaise(prefix) + reversed_nsmap[_utf8(ns)] = prefix + ns, name = _getNsTag(tag) + + c_method = self._method if method is None else _findOutputMethod(method) + + return _FileWriterElement(self, (ns, name, attributes, reversed_nsmap), c_method) + + cdef _write_qname(self, bytes name, bytes prefix): + if prefix: # empty bytes for no prefix (not None to allow sorting) + tree.xmlOutputBufferWrite(self._c_out, len(prefix), _cstr(prefix)) + tree.xmlOutputBufferWrite(self._c_out, 1, ':') + tree.xmlOutputBufferWrite(self._c_out, len(name), _cstr(name)) + + cdef _write_start_element(self, element_config): + if self._status > WRITER_IN_ELEMENT: + raise LxmlSyntaxError("cannot append trailing element to complete XML document") + ns, name, attributes, nsmap = element_config + flat_namespace_map, new_namespaces = self._collect_namespaces(nsmap) + prefix = self._find_prefix(ns, flat_namespace_map, new_namespaces) + tree.xmlOutputBufferWrite(self._c_out, 1, '<') + self._write_qname(name, prefix) + + self._write_attributes_and_namespaces( + attributes, flat_namespace_map, new_namespaces) + + tree.xmlOutputBufferWrite(self._c_out, 1, '>') + if not self._buffered: + tree.xmlOutputBufferFlush(self._c_out) + self._handle_error(self._c_out.error) + + self._element_stack.append((ns, name, prefix, flat_namespace_map)) + self._status = WRITER_IN_ELEMENT + + cdef _write_attributes_and_namespaces(self, list attributes, + dict flat_namespace_map, + list new_namespaces): + if attributes: + # _find_prefix() may append to new_namespaces => build them first + attributes = [ + (self._find_prefix(ns, flat_namespace_map, new_namespaces), name, value) + for ns, name, value in attributes ] + if new_namespaces: + new_namespaces.sort() + self._write_attributes_list(new_namespaces) + if attributes: + self._write_attributes_list(attributes) + + cdef _write_attributes_list(self, list attributes): + for prefix, name, value in attributes: + tree.xmlOutputBufferWrite(self._c_out, 1, ' ') + self._write_qname(name, prefix) + tree.xmlOutputBufferWrite(self._c_out, 2, '="') + _write_attr_string(self._c_out, _cstr(value)) + + tree.xmlOutputBufferWrite(self._c_out, 1, '"') + + cdef _write_end_element(self, element_config): + if self._status != WRITER_IN_ELEMENT: + raise LxmlSyntaxError("not in an element") + if not self._element_stack or self._element_stack[-1][:2] != element_config[:2]: + raise LxmlSyntaxError("inconsistent exit action in context manager") + + # If previous write operations failed, the context manager exit might still call us. + # That is ok, but we stop writing closing tags and handling errors in that case. + # For all non-I/O errors, we continue writing closing tags if we can. + ok_to_write = self._c_out.error == xmlerror.XML_ERR_OK + + name, prefix = self._element_stack.pop()[1:3] + if ok_to_write: + tree.xmlOutputBufferWrite(self._c_out, 2, '') + + if not self._element_stack: + self._status = WRITER_FINISHED + if ok_to_write: + if not self._buffered: + tree.xmlOutputBufferFlush(self._c_out) + self._handle_error(self._c_out.error) + + cdef _find_prefix(self, bytes href, dict flat_namespaces_map, list new_namespaces): + if href is None: + return None + if href in flat_namespaces_map: + return flat_namespaces_map[href] + # need to create a new prefix + prefixes = flat_namespaces_map.values() + i = 0 + while True: + prefix = _utf8('ns%d' % i) + if prefix not in prefixes: + new_namespaces.append((b'xmlns', prefix, href)) + flat_namespaces_map[href] = prefix + return prefix + i += 1 + + cdef _collect_namespaces(self, dict nsmap): + new_namespaces = [] + flat_namespaces_map = {} + for ns, prefix in nsmap.iteritems(): + flat_namespaces_map[ns] = prefix + if prefix is None: + # use empty bytes rather than None to allow sorting + new_namespaces.append((b'', b'xmlns', ns)) + else: + new_namespaces.append((b'xmlns', prefix, ns)) + # merge in flat namespace map of parent + if self._element_stack: + for ns, prefix in (self._element_stack[-1][-1]).iteritems(): + if flat_namespaces_map.get(ns) is None: + # unknown or empty prefix => prefer a 'real' prefix + flat_namespaces_map[ns] = prefix + return flat_namespaces_map, new_namespaces + + def write(self, *args, bint with_tail=True, bint pretty_print=False, method=None): + """write(self, *args, with_tail=True, pretty_print=False, method=None) + + Write subtrees or strings into the file. + + If method is not None, it should be one of ('html', 'xml', 'text') + to temporarily override the output method. + """ + assert self._c_out is not NULL + c_method = self._method if method is None else _findOutputMethod(method) + + for content in args: + if _isString(content): + if self._status != WRITER_IN_ELEMENT: + if self._status > WRITER_IN_ELEMENT or content.strip(): + raise LxmlSyntaxError("not in an element") + bstring = _utf8(content) + if not bstring: + continue + + ns, name, _, _ = self._element_stack[-1] + if (c_method == OUTPUT_METHOD_HTML and + ns in (None, b'http://www.w3.org/1999/xhtml') and + name in (b'script', b'style')): + tree.xmlOutputBufferWrite(self._c_out, len(bstring), _cstr(bstring)) + + else: + tree.xmlOutputBufferWriteEscape(self._c_out, _xcstr(bstring), NULL) + + elif isinstance(content, CDATA): + if self._status > WRITER_IN_ELEMENT: + raise LxmlSyntaxError("not in an element") + _write_cdata_string(self._c_out, (content)._utf8_data) + + elif iselement(content): + if self._status > WRITER_IN_ELEMENT: + raise LxmlSyntaxError("cannot append trailing element to complete XML document") + _writeNodeToBuffer(self._c_out, (<_Element>content)._c_node, + self._c_encoding, NULL, c_method, + False, False, pretty_print, with_tail, False) + if (<_Element>content)._c_node.type == tree.XML_ELEMENT_NODE: + if not self._element_stack: + self._status = WRITER_FINISHED + + elif content is not None: + raise TypeError( + f"got invalid input value of type {type(content)}, expected string, CDATA or Element") + + self._handle_error(self._c_out.error) + + if not self._buffered: + tree.xmlOutputBufferFlush(self._c_out) + self._handle_error(self._c_out.error) + + def flush(self): + """flush(self) + + Write any pending content of the current output buffer to the stream. + """ + assert self._c_out is not NULL + tree.xmlOutputBufferFlush(self._c_out) + self._handle_error(self._c_out.error) + + cdef _close(self, bint raise_on_error): + if raise_on_error: + if self._status < WRITER_IN_ELEMENT: + raise LxmlSyntaxError("no content written") + if self._element_stack: + raise LxmlSyntaxError("pending open tags on close") + error_result = self._c_out.error + if error_result == xmlerror.XML_ERR_OK: + error_result = tree.xmlOutputBufferClose(self._c_out) + if error_result != -1: + error_result = xmlerror.XML_ERR_OK + else: + tree.xmlOutputBufferClose(self._c_out) + self._status = WRITER_FINISHED + self._c_out = NULL + del self._element_stack[:] + if raise_on_error: + self._handle_error(error_result) + + cdef _handle_error(self, int error_result): + if error_result != xmlerror.XML_ERR_OK: + if self._target is not None: + self._target._exc_context._raise_if_stored() + _raiseSerialisationError(error_result) + + +@cython.final +@cython.internal +cdef class _AsyncDataWriter: + cdef list _data + def __cinit__(self): + self._data = [] + + cdef bytes collect(self): + data = b''.join(self._data) + del self._data[:] + return data + + def write(self, data): + self._data.append(data) + + def close(self): + pass + + +@cython.final +@cython.internal +cdef class _AsyncIncrementalFileWriter: + cdef _IncrementalFileWriter _writer + cdef _AsyncDataWriter _buffer + cdef object _async_outfile + cdef int _flush_after_writes + cdef bint _should_close + cdef bint _buffered + + def __cinit__(self, async_outfile, bytes encoding, int compresslevel, bint close, + bint buffered, int method): + self._flush_after_writes = 20 + self._async_outfile = async_outfile + self._should_close = close + self._buffered = buffered + self._buffer = _AsyncDataWriter() + self._writer = _IncrementalFileWriter( + self._buffer, encoding, compresslevel, close=True, buffered=False, method=method) + + cdef bytes _flush(self): + if not self._buffered or len(self._buffer._data) > self._flush_after_writes: + return self._buffer.collect() + return None + + async def flush(self): + self._writer.flush() + data = self._buffer.collect() + if data: + await self._async_outfile.write(data) + + async def write_declaration(self, version=None, standalone=None, doctype=None): + self._writer.write_declaration(version, standalone, doctype) + data = self._flush() + if data: + await self._async_outfile.write(data) + + async def write_doctype(self, doctype): + self._writer.write_doctype(doctype) + data = self._flush() + if data: + await self._async_outfile.write(data) + + async def write(self, *args, with_tail=True, pretty_print=False, method=None): + self._writer.write(*args, with_tail=with_tail, pretty_print=pretty_print, method=method) + data = self._flush() + if data: + await self._async_outfile.write(data) + + def method(self, method): + return self._writer.method(method) + + def element(self, tag, attrib=None, nsmap=None, method=None, **_extra): + element_writer = self._writer.element(tag, attrib, nsmap, method, **_extra) + return _AsyncFileWriterElement(element_writer, self) + + async def _close(self, bint raise_on_error): + self._writer._close(raise_on_error) + data = self._buffer.collect() + if data: + await self._async_outfile.write(data) + if self._should_close: + await self._async_outfile.close() + + +@cython.final +@cython.internal +cdef class _AsyncFileWriterElement: + cdef _FileWriterElement _element_writer + cdef _AsyncIncrementalFileWriter _writer + + def __cinit__(self, _FileWriterElement element_writer not None, + _AsyncIncrementalFileWriter writer not None): + self._element_writer = element_writer + self._writer = writer + + async def __aenter__(self): + self._element_writer.__enter__() + data = self._writer._flush() + if data: + await self._writer._async_outfile.write(data) + + async def __aexit__(self, *args): + self._element_writer.__exit__(*args) + data = self._writer._flush() + if data: + await self._writer._async_outfile.write(data) + + +@cython.final +@cython.internal +@cython.freelist(8) +cdef class _FileWriterElement: + cdef _IncrementalFileWriter _writer + cdef object _element + cdef int _new_method + cdef int _old_method + + def __cinit__(self, _IncrementalFileWriter writer not None, element_config, int method): + self._writer = writer + self._element = element_config + self._new_method = method + self._old_method = writer._method + + def __enter__(self): + self._writer._method = self._new_method + self._writer._write_start_element(self._element) + + def __exit__(self, exc_type, exc_val, exc_tb): + self._writer._write_end_element(self._element) + self._writer._method = self._old_method + + +@cython.final +@cython.internal +@cython.freelist(8) +cdef class _MethodChanger: + cdef _IncrementalFileWriter _writer + cdef int _new_method + cdef int _old_method + cdef bint _entered + cdef bint _exited + + def __cinit__(self, _IncrementalFileWriter writer not None, int method): + self._writer = writer + self._new_method = method + self._old_method = writer._method + self._entered = False + self._exited = False + + def __enter__(self): + if self._entered: + raise LxmlSyntaxError("Inconsistent enter action in context manager") + self._writer._method = self._new_method + self._entered = True + + def __exit__(self, exc_type, exc_val, exc_tb): + if self._exited: + raise LxmlSyntaxError("Inconsistent exit action in context manager") + if self._writer._method != self._new_method: + raise LxmlSyntaxError("Method changed outside of context manager") + self._writer._method = self._old_method + self._exited = True + + async def __aenter__(self): + # for your async convenience + return self.__enter__() + + async def __aexit__(self, *args): + # for your async convenience + return self.__exit__(*args) diff --git a/.venv/lib/python3.12/site-packages/lxml/usedoctest.py b/.venv/lib/python3.12/site-packages/lxml/usedoctest.py new file mode 100644 index 0000000000000000000000000000000000000000..f1da8cadfe710e215330c8ae3d28dfb7190dfd6b --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/usedoctest.py @@ -0,0 +1,13 @@ +"""Doctest module for XML comparison. + +Usage:: + + >>> import lxml.usedoctest + >>> # now do your XML doctests ... + +See `lxml.doctestcompare` +""" + +from lxml import doctestcompare + +doctestcompare.temp_install(del_module=__name__) diff --git a/.venv/lib/python3.12/site-packages/lxml/xinclude.pxi b/.venv/lib/python3.12/site-packages/lxml/xinclude.pxi new file mode 100644 index 0000000000000000000000000000000000000000..5c9ac45096efb2250e268dd2eed9ade07c2ca998 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/xinclude.pxi @@ -0,0 +1,67 @@ +# XInclude processing + +from lxml.includes cimport xinclude + + +cdef class XIncludeError(LxmlError): + """Error during XInclude processing. + """ + + +cdef class XInclude: + """XInclude(self) + XInclude processor. + + Create an instance and call it on an Element to run XInclude + processing. + """ + cdef _ErrorLog _error_log + def __init__(self): + self._error_log = _ErrorLog() + + @property + def error_log(self): + assert self._error_log is not None, "XInclude instance not initialised" + return self._error_log.copy() + + def __call__(self, _Element node not None): + "__call__(self, node)" + # We cannot pass the XML_PARSE_NOXINCNODE option as this would free + # the XInclude nodes - there may still be Python references to them! + # Therefore, we allow XInclude nodes to be converted to + # XML_XINCLUDE_START nodes. XML_XINCLUDE_END nodes are added as + # siblings. Tree traversal will simply ignore them as they are not + # typed as elements. The included fragment is added between the two, + # i.e. as a sibling, which does not conflict with traversal. + cdef int result + _assertValidNode(node) + assert self._error_log is not None, "XInclude processor not initialised" + if node._doc._parser is not None: + parse_options = node._doc._parser._parse_options + context = node._doc._parser._getParserContext() + c_context = context + else: + parse_options = 0 + context = None + c_context = NULL + + self._error_log.connect() + if tree.LIBXML_VERSION < 20704 or not c_context: + __GLOBAL_PARSER_CONTEXT.pushImpliedContext(context) + with nogil: + orig_loader = _register_document_loader() + if c_context: + result = xinclude.xmlXIncludeProcessTreeFlagsData( + node._c_node, parse_options, c_context) + else: + result = xinclude.xmlXIncludeProcessTree(node._c_node) + _reset_document_loader(orig_loader) + if tree.LIBXML_VERSION < 20704 or not c_context: + __GLOBAL_PARSER_CONTEXT.popImpliedContext() + self._error_log.disconnect() + + if result == -1: + raise XIncludeError( + self._error_log._buildExceptionMessage( + "XInclude processing failed"), + self._error_log) diff --git a/.venv/lib/python3.12/site-packages/lxml/xmlerror.pxi b/.venv/lib/python3.12/site-packages/lxml/xmlerror.pxi new file mode 100644 index 0000000000000000000000000000000000000000..8cc9b675d3fd800796b769d27c9e9f75d9cf5c70 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/xmlerror.pxi @@ -0,0 +1,1666 @@ +# DEBUG and error logging + +from lxml.includes cimport xmlerror +from lxml cimport cvarargs + +DEF GLOBAL_ERROR_LOG = "_GlobalErrorLog" +DEF XSLT_ERROR_LOG = "_XSLTErrorLog" + +# module level API functions + +def clear_error_log(): + """clear_error_log() + + Clear the global error log. Note that this log is already bound to a + fixed size. + + Note: since lxml 2.2, the global error log is local to a thread + and this function will only clear the global error log of the + current thread. + """ + _getThreadErrorLog(GLOBAL_ERROR_LOG).clear() + + +# setup for global log: + +cdef void _initThreadLogging() noexcept: + # Disable generic error lines from libxml2. + _connectGenericErrorLog(None) + + # Divert XSLT error messages to the global XSLT error log instead of stderr. + xslt.xsltSetGenericErrorFunc(NULL, _receiveXSLTError) + + +# Logging classes + +@cython.final +@cython.freelist(16) +cdef class _LogEntry: + """A log message entry from an error log. + + Attributes: + + - message: the message text + - domain: the domain ID (see lxml.etree.ErrorDomains) + - type: the message type ID (see lxml.etree.ErrorTypes) + - level: the log level ID (see lxml.etree.ErrorLevels) + - line: the line at which the message originated (if applicable) + - column: the character column at which the message originated (if applicable) + - filename: the name of the file in which the message originated (if applicable) + - path: the location in which the error was found (if available) + """ + cdef readonly int domain + cdef readonly int type + cdef readonly int level + cdef readonly long line + cdef readonly int column + cdef basestring _message + cdef basestring _filename + cdef char* _c_message + cdef xmlChar* _c_filename + cdef xmlChar* _c_path + + def __dealloc__(self): + tree.xmlFree(self._c_message) + tree.xmlFree(self._c_filename) + tree.xmlFree(self._c_path) + + @cython.final + cdef int _setError(self, const xmlerror.xmlError* error) except -1: + self.domain = error.domain + self.type = error.code + self.level = error.level + self.line = error.line + self.column = error.int2 + self._c_message = NULL + self._c_filename = NULL + self._c_path = NULL + if (error.message is NULL or + error.message[0] == b'\0' or + error.message[0] == b'\n' and error.message[1] == b'\0'): + self._message = "unknown error" + else: + self._message = None + self._c_message = tree.xmlStrdup( + error.message) + if not self._c_message: + raise MemoryError() + if error.file is NULL: + self._filename = '' + else: + self._filename = None + self._c_filename = tree.xmlStrdup( error.file) + if not self._c_filename: + raise MemoryError() + if error.node is not NULL: + self._c_path = tree.xmlGetNodePath( error.node) + c_line = tree.xmlGetLineNo( error.node) + if c_line > limits.INT_MAX: + self.line = c_line + + @cython.final + cdef _setGeneric(self, int domain, int type, int level, long line, + message, filename): + self.domain = domain + self.type = type + self.level = level + self.line = line + self.column = 0 + self._message = message + self._filename = filename + self._c_path = NULL + + def __repr__(self): + return "%s:%d:%d:%s:%s:%s: %s" % ( + self.filename, self.line, self.column, self.level_name, + self.domain_name, self.type_name, self.message) + + @property + def domain_name(self): + """The name of the error domain. See lxml.etree.ErrorDomains + """ + return ErrorDomains._getName(self.domain, "unknown") + + @property + def type_name(self): + """The name of the error type. See lxml.etree.ErrorTypes + """ + if self.domain == ErrorDomains.RELAXNGV: + getName = RelaxNGErrorTypes._getName + else: + getName = ErrorTypes._getName + return getName(self.type, "unknown") + + @property + def level_name(self): + """The name of the error level. See lxml.etree.ErrorLevels + """ + return ErrorLevels._getName(self.level, "unknown") + + @property + def message(self): + """The log message string. + """ + cdef size_t size + if self._message is not None: + return self._message + if self._c_message is NULL: + return None + size = cstring_h.strlen(self._c_message) + if size > 0 and self._c_message[size-1] == b'\n': + size -= 1 # strip EOL + # cannot use funicode() here because the message may contain + # byte encoded file paths etc. + try: + self._message = self._c_message[:size].decode('utf8') + except UnicodeDecodeError: + try: + self._message = self._c_message[:size].decode( + 'ascii', 'backslashreplace') + except UnicodeDecodeError: + self._message = '' + if self._c_message: + # clean up early + tree.xmlFree(self._c_message) + self._c_message = NULL + return self._message + + @property + def filename(self): + """The file path where the report originated, if any. + """ + if self._filename is None: + if self._c_filename is not NULL: + self._filename = _decodeFilename(self._c_filename) + # clean up early + tree.xmlFree(self._c_filename) + self._c_filename = NULL + return self._filename + + @property + def path(self): + """The XPath for the node where the error was detected. + """ + return funicode(self._c_path) if self._c_path is not NULL else None + + +cdef class _BaseErrorLog: + cdef _LogEntry _first_error + cdef readonly object last_error + def __init__(self, first_error, last_error): + self._first_error = first_error + self.last_error = last_error + + cpdef copy(self): + return _BaseErrorLog(self._first_error, self.last_error) + + def __repr__(self): + return '' + + cpdef receive(self, _LogEntry entry): + pass + + @cython.final + cdef int _receive(self, const xmlerror.xmlError* error) except -1: + cdef bint is_error + cdef _LogEntry entry + cdef _BaseErrorLog global_log + entry = _LogEntry.__new__(_LogEntry) + entry._setError(error) + is_error = error.level == xmlerror.XML_ERR_ERROR or \ + error.level == xmlerror.XML_ERR_FATAL + global_log = _getThreadErrorLog(GLOBAL_ERROR_LOG) + if global_log is not self: + global_log.receive(entry) + if is_error: + global_log.last_error = entry + self.receive(entry) + if is_error: + self.last_error = entry + + @cython.final + cdef int _receiveGeneric(self, int domain, int type, int level, long line, + message, filename) except -1: + cdef bint is_error + cdef _LogEntry entry + cdef _BaseErrorLog global_log + entry = _LogEntry.__new__(_LogEntry) + entry._setGeneric(domain, type, level, line, message, filename) + is_error = level == xmlerror.XML_ERR_ERROR or \ + level == xmlerror.XML_ERR_FATAL + global_log = _getThreadErrorLog(GLOBAL_ERROR_LOG) + if global_log is not self: + global_log.receive(entry) + if is_error: + global_log.last_error = entry + self.receive(entry) + if is_error: + self.last_error = entry + + @cython.final + cdef _buildParseException(self, exctype, default_message): + code = xmlerror.XML_ERR_INTERNAL_ERROR + if self._first_error is None: + return exctype(default_message, code, 0, 0) + message = self._first_error.message + if message: + code = self._first_error.type + else: + message = default_message + line = self._first_error.line + column = self._first_error.column + filename = self._first_error.filename + if line > 0: + if column > 0: + message = f"{message}, line {line}, column {column}" + else: + message = f"{message}, line {line}" + return exctype(message, code, line, column, filename) + + @cython.final + cdef _buildExceptionMessage(self, default_message): + if self._first_error is None: + return default_message + if self._first_error.message: + message = self._first_error.message + elif default_message is None: + return None + else: + message = default_message + if self._first_error.line > 0: + if self._first_error.column > 0: + message = f"{message}, line {self._first_error.line}, column {self._first_error.column}" + else: + message = f"{message}, line {self._first_error.line}" + return message + +cdef class _ListErrorLog(_BaseErrorLog): + "Immutable base version of a list based error log." + cdef list _entries + cdef int _offset + def __init__(self, entries, first_error, last_error): + if entries: + if first_error is None: + first_error = entries[0] + if last_error is None: + last_error = entries[-1] + _BaseErrorLog.__init__(self, first_error, last_error) + self._entries = entries + + cpdef copy(self): + """Creates a shallow copy of this error log. Reuses the list of + entries. + """ + cdef _ListErrorLog log = _ListErrorLog( + self._entries, self._first_error, self.last_error) + log._offset = self._offset + return log + + def __iter__(self): + entries = self._entries + if self._offset: + entries = islice(entries, self._offset) + return iter(entries) + + def __repr__(self): + return '\n'.join([repr(entry) for entry in self]) + + def __getitem__(self, index): + if self._offset: + index += self._offset + return self._entries[index] + + def __len__(self): + return len(self._entries) - self._offset + + def __contains__(self, error_type): + cdef Py_ssize_t i + for i, entry in enumerate(self._entries): + if i < self._offset: + continue + if entry.type == error_type: + return True + return False + + def __bool__(self): + return len(self._entries) > self._offset + + def filter_domains(self, domains): + """Filter the errors by the given domains and return a new error log + containing the matches. + """ + cdef _LogEntry entry + if isinstance(domains, int): + domains = (domains,) + filtered = [entry for entry in self if entry.domain in domains] + return _ListErrorLog(filtered, None, None) + + def filter_types(self, types): + """filter_types(self, types) + + Filter the errors by the given types and return a new error + log containing the matches. + """ + cdef _LogEntry entry + if isinstance(types, int): + types = (types,) + filtered = [entry for entry in self if entry.type in types] + return _ListErrorLog(filtered, None, None) + + def filter_levels(self, levels): + """filter_levels(self, levels) + + Filter the errors by the given error levels and return a new + error log containing the matches. + """ + cdef _LogEntry entry + if isinstance(levels, int): + levels = (levels,) + filtered = [entry for entry in self if entry.level in levels] + return _ListErrorLog(filtered, None, None) + + def filter_from_level(self, level): + """filter_from_level(self, level) + + Return a log with all messages of the requested level of worse. + """ + cdef _LogEntry entry + filtered = [entry for entry in self if entry.level >= level] + return _ListErrorLog(filtered, None, None) + + def filter_from_fatals(self): + """filter_from_fatals(self) + + Convenience method to get all fatal error messages. + """ + return self.filter_from_level(ErrorLevels.FATAL) + + def filter_from_errors(self): + """filter_from_errors(self) + + Convenience method to get all error messages or worse. + """ + return self.filter_from_level(ErrorLevels.ERROR) + + def filter_from_warnings(self): + """filter_from_warnings(self) + + Convenience method to get all warnings or worse. + """ + return self.filter_from_level(ErrorLevels.WARNING) + + +@cython.final +@cython.internal +cdef class _ErrorLogContext: + """ + Error log context for the 'with' statement. + Stores a reference to the current callbacks to allow for + recursively stacked log contexts. + """ + cdef xmlerror.xmlStructuredErrorFunc old_error_func + cdef void* old_error_context + cdef xmlerror.xmlGenericErrorFunc old_xslt_error_func + cdef void* old_xslt_error_context + cdef _BaseErrorLog old_xslt_error_log + + cdef int push_error_log(self, _BaseErrorLog log) except -1: + self.old_error_func = xmlerror.xmlStructuredError + self.old_error_context = xmlerror.xmlStructuredErrorContext + xmlerror.xmlSetStructuredErrorFunc( + log, _receiveError) + + # xslt.xsltSetGenericErrorFunc() is not thread-local => keep error log in TLS + self.old_xslt_error_func = xslt.xsltGenericError + self.old_xslt_error_context = xslt.xsltGenericErrorContext + self.old_xslt_error_log = _getThreadErrorLog(XSLT_ERROR_LOG) + _setThreadErrorLog(XSLT_ERROR_LOG, log) + xslt.xsltSetGenericErrorFunc( + NULL, _receiveXSLTError) + return 0 + + cdef int pop_error_log(self) except -1: + xmlerror.xmlSetStructuredErrorFunc( + self.old_error_context, self.old_error_func) + xslt.xsltSetGenericErrorFunc( + self.old_xslt_error_context, self.old_xslt_error_func) + _setThreadErrorLog(XSLT_ERROR_LOG, self.old_xslt_error_log) + self.old_xslt_error_log= None + return 0 + + +cdef class _ErrorLog(_ListErrorLog): + cdef list _logContexts + def __cinit__(self): + self._logContexts = [] + + def __init__(self): + _ListErrorLog.__init__(self, [], None, None) + + @cython.final + cdef int __enter__(self) except -1: + return self.connect() + + def __exit__(self, *args): + # TODO: make this a cdef function when Cython supports it + self.disconnect() + + @cython.final + cdef int connect(self) except -1: + self._first_error = None + del self._entries[:] + + cdef _ErrorLogContext context = _ErrorLogContext.__new__(_ErrorLogContext) + context.push_error_log(self) + self._logContexts.append(context) + return 0 + + @cython.final + cdef int disconnect(self) except -1: + cdef _ErrorLogContext context = self._logContexts.pop() + context.pop_error_log() + return 0 + + cpdef clear(self): + self._first_error = None + self.last_error = None + self._offset = 0 + del self._entries[:] + + cpdef copy(self): + """Creates a shallow copy of this error log and the list of entries. + """ + return _ListErrorLog( + self._entries[self._offset:], + self._first_error, self.last_error) + + def __iter__(self): + return iter(self._entries[self._offset:]) + + cpdef receive(self, _LogEntry entry): + if self._first_error is None and entry.level >= xmlerror.XML_ERR_ERROR: + self._first_error = entry + self._entries.append(entry) + +cdef class _DomainErrorLog(_ErrorLog): + def __init__(self, domains): + _ErrorLog.__init__(self) + self._accepted_domains = tuple(domains) + + cpdef receive(self, _LogEntry entry): + if entry.domain in self._accepted_domains: + _ErrorLog.receive(self, entry) + +cdef class _RotatingErrorLog(_ErrorLog): + cdef int _max_len + def __init__(self, max_len): + _ErrorLog.__init__(self) + self._max_len = max_len + + cpdef receive(self, _LogEntry entry): + if self._first_error is None and entry.level >= xmlerror.XML_ERR_ERROR: + self._first_error = entry + self._entries.append(entry) + + if len(self._entries) > self._max_len: + self._offset += 1 + if self._offset > self._max_len // 3: + offset = self._offset + self._offset = 0 + del self._entries[:offset] + +cdef class PyErrorLog(_BaseErrorLog): + """PyErrorLog(self, logger_name=None, logger=None) + A global error log that connects to the Python stdlib logging package. + + The constructor accepts an optional logger name or a readily + instantiated logger instance. + + If you want to change the mapping between libxml2's ErrorLevels and Python + logging levels, you can modify the level_map dictionary from a subclass. + + The default mapping is:: + + ErrorLevels.WARNING = logging.WARNING + ErrorLevels.ERROR = logging.ERROR + ErrorLevels.FATAL = logging.CRITICAL + + You can also override the method ``receive()`` that takes a LogEntry + object and calls ``self.log(log_entry, format_string, arg1, arg2, ...)`` + with appropriate data. + """ + cdef readonly dict level_map + cdef object _map_level + cdef object _log + def __init__(self, logger_name=None, logger=None): + _BaseErrorLog.__init__(self, None, None) + import logging + self.level_map = { + ErrorLevels.WARNING : logging.WARNING, + ErrorLevels.ERROR : logging.ERROR, + ErrorLevels.FATAL : logging.CRITICAL + } + self._map_level = self.level_map.get + if logger is None: + if logger_name: + logger = logging.getLogger(logger_name) + else: + logger = logging.getLogger() + self._log = logger.log + + cpdef copy(self): + """Dummy method that returns an empty error log. + """ + return _ListErrorLog([], None, None) + + def log(self, log_entry, message, *args): + """log(self, log_entry, message, *args) + + Called by the .receive() method to log a _LogEntry instance to + the Python logging system. This handles the error level + mapping. + + In the default implementation, the ``message`` argument + receives a complete log line, and there are no further + ``args``. To change the message format, it is best to + override the .receive() method instead of this one. + """ + self._log( + self._map_level(log_entry.level, 0), + message, *args + ) + + cpdef receive(self, _LogEntry log_entry): + """receive(self, log_entry) + + Receive a _LogEntry instance from the logging system. Calls + the .log() method with appropriate parameters:: + + self.log(log_entry, repr(log_entry)) + + You can override this method to provide your own log output + format. + """ + self.log(log_entry, repr(log_entry)) + +# thread-local, global list log to collect error output messages from +# libxml2/libxslt + +cdef _BaseErrorLog __GLOBAL_ERROR_LOG = _RotatingErrorLog(__MAX_LOG_SIZE) + + +cdef _BaseErrorLog _getThreadErrorLog(name): + """Retrieve the current error log with name 'name' of this thread.""" + cdef python.PyObject* thread_dict + thread_dict = python.PyThreadState_GetDict() + if thread_dict is NULL: + return __GLOBAL_ERROR_LOG + try: + return (thread_dict)[name] + except KeyError: + log = (thread_dict)[name] = \ + _RotatingErrorLog(__MAX_LOG_SIZE) + return log + + +cdef _setThreadErrorLog(name, _BaseErrorLog log): + """Set the global error log of this thread.""" + cdef python.PyObject* thread_dict + thread_dict = python.PyThreadState_GetDict() + if thread_dict is NULL: + if name == GLOBAL_ERROR_LOG: + global __GLOBAL_ERROR_LOG + __GLOBAL_ERROR_LOG = log + else: + (thread_dict)[name] = log + + +cdef __copyGlobalErrorLog(): + "Helper function for properties in exceptions." + return _getThreadErrorLog(GLOBAL_ERROR_LOG).copy() + + +def use_global_python_log(PyErrorLog log not None): + """use_global_python_log(log) + + Replace the global error log by an etree.PyErrorLog that uses the + standard Python logging package. + + Note that this disables access to the global error log from exceptions. + Parsers, XSLT etc. will continue to provide their normal local error log. + + Note: prior to lxml 2.2, this changed the error log globally. + Since lxml 2.2, the global error log is local to a thread and this + function will only set the global error log of the current thread. + """ + _setThreadErrorLog(GLOBAL_ERROR_LOG, log) + + +# local log functions: forward error to logger object +cdef void _forwardError(void* c_log_handler, const xmlerror.xmlError* error) noexcept with gil: + cdef _BaseErrorLog log_handler + if c_log_handler is not NULL: + log_handler = <_BaseErrorLog>c_log_handler + elif error.domain == xmlerror.XML_FROM_XSLT: + log_handler = _getThreadErrorLog(XSLT_ERROR_LOG) + else: + log_handler = _getThreadErrorLog(GLOBAL_ERROR_LOG) + log_handler._receive(error) + + +cdef void _receiveError(void* c_log_handler, const xmlerror.xmlError* error) noexcept nogil: + # no Python objects here, may be called without thread context ! + if __DEBUG: + _forwardError(c_log_handler, error) + + +cdef void _receiveXSLTError(void* c_log_handler, char* msg, ...) noexcept nogil: + # no Python objects here, may be called without thread context ! + cdef cvarargs.va_list args + cvarargs.va_start(args, msg) + _receiveGenericError(c_log_handler, xmlerror.XML_FROM_XSLT, msg, args) + cvarargs.va_end(args) + +cdef void _receiveRelaxNGParseError(void* c_log_handler, char* msg, ...) noexcept nogil: + # no Python objects here, may be called without thread context ! + cdef cvarargs.va_list args + cvarargs.va_start(args, msg) + _receiveGenericError(c_log_handler, xmlerror.XML_FROM_RELAXNGP, msg, args) + cvarargs.va_end(args) + +cdef void _receiveRelaxNGValidationError(void* c_log_handler, char* msg, ...) noexcept nogil: + # no Python objects here, may be called without thread context ! + cdef cvarargs.va_list args + cvarargs.va_start(args, msg) + _receiveGenericError(c_log_handler, xmlerror.XML_FROM_RELAXNGV, msg, args) + cvarargs.va_end(args) + +# dummy function: no log output at all +cdef void _nullGenericErrorFunc(void* ctxt, char* msg, ...) noexcept nogil: + pass + + +cdef void _connectGenericErrorLog(log, int c_domain=-1) noexcept: + cdef xmlerror.xmlGenericErrorFunc error_func = NULL + c_log = log + if c_domain == xmlerror.XML_FROM_XSLT: + error_func = _receiveXSLTError + elif c_domain == xmlerror.XML_FROM_RELAXNGP: + error_func = _receiveRelaxNGParseError + elif c_domain == xmlerror.XML_FROM_RELAXNGV: + error_func = _receiveRelaxNGValidationError + + if log is None or error_func is NULL: + c_log = NULL + error_func = _nullGenericErrorFunc + xmlerror.xmlSetGenericErrorFunc(c_log, error_func) + + +cdef void _receiveGenericError(void* c_log_handler, int c_domain, + char* msg, cvarargs.va_list args) noexcept nogil: + # no Python objects here, may be called without thread context ! + cdef xmlerror.xmlError c_error + cdef char* c_text + cdef char* c_message + cdef char* c_element + cdef char* c_pos + cdef char* c_name_pos + cdef char* c_str + cdef int text_size, element_size, format_count, c_int + if not __DEBUG or msg is NULL: + return + if msg[0] in b'\n\0': + return + + c_text = c_element = c_error.file = c_error.node = NULL + c_error.line = 0 + + # parse "NAME %s" chunks from the format string + c_name_pos = c_pos = msg + format_count = 0 + while c_pos[0]: + if c_pos[0] == b'%': + c_pos += 1 + if c_pos[0] == b's': # "%s" + format_count += 1 + c_str = cvarargs.va_charptr(args) + if c_pos == msg + 1: + c_text = c_str # msg == "%s..." + elif c_name_pos[0] == b'e': + if cstring_h.strncmp(c_name_pos, 'element %s', 10) == 0: + c_element = c_str + elif c_name_pos[0] == b'f': + if cstring_h.strncmp(c_name_pos, 'file %s', 7) == 0: + if cstring_h.strncmp('string://__STRING__XSLT', + c_str, 23) == 0: + c_str = '' + c_error.file = c_str + elif c_pos[0] == b'd': # "%d" + format_count += 1 + c_int = cvarargs.va_int(args) + if cstring_h.strncmp(c_name_pos, 'line %d', 7) == 0: + c_error.line = c_int + elif c_pos[0] != b'%': # "%%" == "%" + format_count += 1 + break # unexpected format or end of string => abort + elif c_pos[0] == b' ': + if c_pos[1] != b'%': + c_name_pos = c_pos + 1 + c_pos += 1 + + c_message = NULL + if c_text is NULL: + if c_element is not NULL and format_count == 1: + # special case: a single occurrence of 'element %s' + text_size = cstring_h.strlen(msg) + element_size = cstring_h.strlen(c_element) + c_message = stdlib.malloc( + (text_size + element_size + 1) * sizeof(char)) + if c_message is not NULL: + stdio.sprintf(c_message, msg, c_element) + c_error.message = c_message + else: + # Out of memory, report at least the original message. + c_error.message = msg + else: + c_error.message = '' + elif c_element is NULL: + c_error.message = c_text + else: + text_size = cstring_h.strlen(c_text) + element_size = cstring_h.strlen(c_element) + c_message = stdlib.malloc( + (text_size + 12 + element_size + 1) * sizeof(char)) + if c_message is NULL: + c_error.message = c_text + else: + stdio.sprintf(c_message, "%s, element '%s'", c_text, c_element) + c_error.message = c_message + + c_error.domain = c_domain + c_error.code = xmlerror.XML_ERR_OK # what else? + c_error.level = xmlerror.XML_ERR_ERROR # what else? + c_error.int2 = 0 + + _forwardError(c_log_handler, &c_error) + + if c_message is not NULL: + stdlib.free(c_message) + +################################################################################ +## CONSTANTS FROM "xmlerror.h" (or rather libxml-xmlerror.html) +################################################################################ + +cdef __initErrorConstants(): + "Called at setup time to parse the constants and build the classes below." + global __ERROR_LEVELS, __ERROR_DOMAINS, __PARSER_ERROR_TYPES, __RELAXNG_ERROR_TYPES + const_defs = ((ErrorLevels, __ERROR_LEVELS), + (ErrorDomains, __ERROR_DOMAINS), + (ErrorTypes, __PARSER_ERROR_TYPES), + (RelaxNGErrorTypes, __RELAXNG_ERROR_TYPES)) + + for cls, constants in const_defs: + reverse_dict = {} + cls._names = reverse_dict + cls._getName = reverse_dict.get + for line in constants.splitlines(): + if not line: + continue + name, value = line.split('=') + value = int(value) + setattr(cls, name, value) + reverse_dict[value] = name + + # discard the global string references after use + __ERROR_LEVELS = __ERROR_DOMAINS = __PARSER_ERROR_TYPES = __RELAXNG_ERROR_TYPES = None + + +class ErrorLevels(object): + """Libxml2 error levels""" + +class ErrorDomains(object): + """Libxml2 error domains""" + +class ErrorTypes(object): + """Libxml2 error types""" + +class RelaxNGErrorTypes(object): + """Libxml2 RelaxNG error types""" + + +# --- BEGIN: GENERATED CONSTANTS --- + +# This section is generated by the script 'update-error-constants.py'. + +cdef object __ERROR_LEVELS = """\ +NONE=0 +WARNING=1 +ERROR=2 +FATAL=3 +""" + +cdef object __ERROR_DOMAINS = """\ +NONE=0 +PARSER=1 +TREE=2 +NAMESPACE=3 +DTD=4 +HTML=5 +MEMORY=6 +OUTPUT=7 +IO=8 +FTP=9 +HTTP=10 +XINCLUDE=11 +XPATH=12 +XPOINTER=13 +REGEXP=14 +DATATYPE=15 +SCHEMASP=16 +SCHEMASV=17 +RELAXNGP=18 +RELAXNGV=19 +CATALOG=20 +C14N=21 +XSLT=22 +VALID=23 +CHECK=24 +WRITER=25 +MODULE=26 +I18N=27 +SCHEMATRONV=28 +BUFFER=29 +URI=30 +""" + +cdef object __PARSER_ERROR_TYPES = """\ +ERR_OK=0 +ERR_INTERNAL_ERROR=1 +ERR_NO_MEMORY=2 +ERR_DOCUMENT_START=3 +ERR_DOCUMENT_EMPTY=4 +ERR_DOCUMENT_END=5 +ERR_INVALID_HEX_CHARREF=6 +ERR_INVALID_DEC_CHARREF=7 +ERR_INVALID_CHARREF=8 +ERR_INVALID_CHAR=9 +ERR_CHARREF_AT_EOF=10 +ERR_CHARREF_IN_PROLOG=11 +ERR_CHARREF_IN_EPILOG=12 +ERR_CHARREF_IN_DTD=13 +ERR_ENTITYREF_AT_EOF=14 +ERR_ENTITYREF_IN_PROLOG=15 +ERR_ENTITYREF_IN_EPILOG=16 +ERR_ENTITYREF_IN_DTD=17 +ERR_PEREF_AT_EOF=18 +ERR_PEREF_IN_PROLOG=19 +ERR_PEREF_IN_EPILOG=20 +ERR_PEREF_IN_INT_SUBSET=21 +ERR_ENTITYREF_NO_NAME=22 +ERR_ENTITYREF_SEMICOL_MISSING=23 +ERR_PEREF_NO_NAME=24 +ERR_PEREF_SEMICOL_MISSING=25 +ERR_UNDECLARED_ENTITY=26 +WAR_UNDECLARED_ENTITY=27 +ERR_UNPARSED_ENTITY=28 +ERR_ENTITY_IS_EXTERNAL=29 +ERR_ENTITY_IS_PARAMETER=30 +ERR_UNKNOWN_ENCODING=31 +ERR_UNSUPPORTED_ENCODING=32 +ERR_STRING_NOT_STARTED=33 +ERR_STRING_NOT_CLOSED=34 +ERR_NS_DECL_ERROR=35 +ERR_ENTITY_NOT_STARTED=36 +ERR_ENTITY_NOT_FINISHED=37 +ERR_LT_IN_ATTRIBUTE=38 +ERR_ATTRIBUTE_NOT_STARTED=39 +ERR_ATTRIBUTE_NOT_FINISHED=40 +ERR_ATTRIBUTE_WITHOUT_VALUE=41 +ERR_ATTRIBUTE_REDEFINED=42 +ERR_LITERAL_NOT_STARTED=43 +ERR_LITERAL_NOT_FINISHED=44 +ERR_COMMENT_NOT_FINISHED=45 +ERR_PI_NOT_STARTED=46 +ERR_PI_NOT_FINISHED=47 +ERR_NOTATION_NOT_STARTED=48 +ERR_NOTATION_NOT_FINISHED=49 +ERR_ATTLIST_NOT_STARTED=50 +ERR_ATTLIST_NOT_FINISHED=51 +ERR_MIXED_NOT_STARTED=52 +ERR_MIXED_NOT_FINISHED=53 +ERR_ELEMCONTENT_NOT_STARTED=54 +ERR_ELEMCONTENT_NOT_FINISHED=55 +ERR_XMLDECL_NOT_STARTED=56 +ERR_XMLDECL_NOT_FINISHED=57 +ERR_CONDSEC_NOT_STARTED=58 +ERR_CONDSEC_NOT_FINISHED=59 +ERR_EXT_SUBSET_NOT_FINISHED=60 +ERR_DOCTYPE_NOT_FINISHED=61 +ERR_MISPLACED_CDATA_END=62 +ERR_CDATA_NOT_FINISHED=63 +ERR_RESERVED_XML_NAME=64 +ERR_SPACE_REQUIRED=65 +ERR_SEPARATOR_REQUIRED=66 +ERR_NMTOKEN_REQUIRED=67 +ERR_NAME_REQUIRED=68 +ERR_PCDATA_REQUIRED=69 +ERR_URI_REQUIRED=70 +ERR_PUBID_REQUIRED=71 +ERR_LT_REQUIRED=72 +ERR_GT_REQUIRED=73 +ERR_LTSLASH_REQUIRED=74 +ERR_EQUAL_REQUIRED=75 +ERR_TAG_NAME_MISMATCH=76 +ERR_TAG_NOT_FINISHED=77 +ERR_STANDALONE_VALUE=78 +ERR_ENCODING_NAME=79 +ERR_HYPHEN_IN_COMMENT=80 +ERR_INVALID_ENCODING=81 +ERR_EXT_ENTITY_STANDALONE=82 +ERR_CONDSEC_INVALID=83 +ERR_VALUE_REQUIRED=84 +ERR_NOT_WELL_BALANCED=85 +ERR_EXTRA_CONTENT=86 +ERR_ENTITY_CHAR_ERROR=87 +ERR_ENTITY_PE_INTERNAL=88 +ERR_ENTITY_LOOP=89 +ERR_ENTITY_BOUNDARY=90 +ERR_INVALID_URI=91 +ERR_URI_FRAGMENT=92 +WAR_CATALOG_PI=93 +ERR_NO_DTD=94 +ERR_CONDSEC_INVALID_KEYWORD=95 +ERR_VERSION_MISSING=96 +WAR_UNKNOWN_VERSION=97 +WAR_LANG_VALUE=98 +WAR_NS_URI=99 +WAR_NS_URI_RELATIVE=100 +ERR_MISSING_ENCODING=101 +WAR_SPACE_VALUE=102 +ERR_NOT_STANDALONE=103 +ERR_ENTITY_PROCESSING=104 +ERR_NOTATION_PROCESSING=105 +WAR_NS_COLUMN=106 +WAR_ENTITY_REDEFINED=107 +ERR_UNKNOWN_VERSION=108 +ERR_VERSION_MISMATCH=109 +ERR_NAME_TOO_LONG=110 +ERR_USER_STOP=111 +ERR_COMMENT_ABRUPTLY_ENDED=112 +WAR_ENCODING_MISMATCH=113 +ERR_RESOURCE_LIMIT=114 +ERR_ARGUMENT=115 +ERR_SYSTEM=116 +ERR_REDECL_PREDEF_ENTITY=117 +ERR_INT_SUBSET_NOT_FINISHED=118 +NS_ERR_XML_NAMESPACE=200 +NS_ERR_UNDEFINED_NAMESPACE=201 +NS_ERR_QNAME=202 +NS_ERR_ATTRIBUTE_REDEFINED=203 +NS_ERR_EMPTY=204 +NS_ERR_COLON=205 +DTD_ATTRIBUTE_DEFAULT=500 +DTD_ATTRIBUTE_REDEFINED=501 +DTD_ATTRIBUTE_VALUE=502 +DTD_CONTENT_ERROR=503 +DTD_CONTENT_MODEL=504 +DTD_CONTENT_NOT_DETERMINIST=505 +DTD_DIFFERENT_PREFIX=506 +DTD_ELEM_DEFAULT_NAMESPACE=507 +DTD_ELEM_NAMESPACE=508 +DTD_ELEM_REDEFINED=509 +DTD_EMPTY_NOTATION=510 +DTD_ENTITY_TYPE=511 +DTD_ID_FIXED=512 +DTD_ID_REDEFINED=513 +DTD_ID_SUBSET=514 +DTD_INVALID_CHILD=515 +DTD_INVALID_DEFAULT=516 +DTD_LOAD_ERROR=517 +DTD_MISSING_ATTRIBUTE=518 +DTD_MIXED_CORRUPT=519 +DTD_MULTIPLE_ID=520 +DTD_NO_DOC=521 +DTD_NO_DTD=522 +DTD_NO_ELEM_NAME=523 +DTD_NO_PREFIX=524 +DTD_NO_ROOT=525 +DTD_NOTATION_REDEFINED=526 +DTD_NOTATION_VALUE=527 +DTD_NOT_EMPTY=528 +DTD_NOT_PCDATA=529 +DTD_NOT_STANDALONE=530 +DTD_ROOT_NAME=531 +DTD_STANDALONE_WHITE_SPACE=532 +DTD_UNKNOWN_ATTRIBUTE=533 +DTD_UNKNOWN_ELEM=534 +DTD_UNKNOWN_ENTITY=535 +DTD_UNKNOWN_ID=536 +DTD_UNKNOWN_NOTATION=537 +DTD_STANDALONE_DEFAULTED=538 +DTD_XMLID_VALUE=539 +DTD_XMLID_TYPE=540 +DTD_DUP_TOKEN=541 +HTML_STRUCURE_ERROR=800 +HTML_UNKNOWN_TAG=801 +HTML_INCORRECTLY_OPENED_COMMENT=802 +RNGP_ANYNAME_ATTR_ANCESTOR=1000 +RNGP_ATTR_CONFLICT=1001 +RNGP_ATTRIBUTE_CHILDREN=1002 +RNGP_ATTRIBUTE_CONTENT=1003 +RNGP_ATTRIBUTE_EMPTY=1004 +RNGP_ATTRIBUTE_NOOP=1005 +RNGP_CHOICE_CONTENT=1006 +RNGP_CHOICE_EMPTY=1007 +RNGP_CREATE_FAILURE=1008 +RNGP_DATA_CONTENT=1009 +RNGP_DEF_CHOICE_AND_INTERLEAVE=1010 +RNGP_DEFINE_CREATE_FAILED=1011 +RNGP_DEFINE_EMPTY=1012 +RNGP_DEFINE_MISSING=1013 +RNGP_DEFINE_NAME_MISSING=1014 +RNGP_ELEM_CONTENT_EMPTY=1015 +RNGP_ELEM_CONTENT_ERROR=1016 +RNGP_ELEMENT_EMPTY=1017 +RNGP_ELEMENT_CONTENT=1018 +RNGP_ELEMENT_NAME=1019 +RNGP_ELEMENT_NO_CONTENT=1020 +RNGP_ELEM_TEXT_CONFLICT=1021 +RNGP_EMPTY=1022 +RNGP_EMPTY_CONSTRUCT=1023 +RNGP_EMPTY_CONTENT=1024 +RNGP_EMPTY_NOT_EMPTY=1025 +RNGP_ERROR_TYPE_LIB=1026 +RNGP_EXCEPT_EMPTY=1027 +RNGP_EXCEPT_MISSING=1028 +RNGP_EXCEPT_MULTIPLE=1029 +RNGP_EXCEPT_NO_CONTENT=1030 +RNGP_EXTERNALREF_EMTPY=1031 +RNGP_EXTERNAL_REF_FAILURE=1032 +RNGP_EXTERNALREF_RECURSE=1033 +RNGP_FORBIDDEN_ATTRIBUTE=1034 +RNGP_FOREIGN_ELEMENT=1035 +RNGP_GRAMMAR_CONTENT=1036 +RNGP_GRAMMAR_EMPTY=1037 +RNGP_GRAMMAR_MISSING=1038 +RNGP_GRAMMAR_NO_START=1039 +RNGP_GROUP_ATTR_CONFLICT=1040 +RNGP_HREF_ERROR=1041 +RNGP_INCLUDE_EMPTY=1042 +RNGP_INCLUDE_FAILURE=1043 +RNGP_INCLUDE_RECURSE=1044 +RNGP_INTERLEAVE_ADD=1045 +RNGP_INTERLEAVE_CREATE_FAILED=1046 +RNGP_INTERLEAVE_EMPTY=1047 +RNGP_INTERLEAVE_NO_CONTENT=1048 +RNGP_INVALID_DEFINE_NAME=1049 +RNGP_INVALID_URI=1050 +RNGP_INVALID_VALUE=1051 +RNGP_MISSING_HREF=1052 +RNGP_NAME_MISSING=1053 +RNGP_NEED_COMBINE=1054 +RNGP_NOTALLOWED_NOT_EMPTY=1055 +RNGP_NSNAME_ATTR_ANCESTOR=1056 +RNGP_NSNAME_NO_NS=1057 +RNGP_PARAM_FORBIDDEN=1058 +RNGP_PARAM_NAME_MISSING=1059 +RNGP_PARENTREF_CREATE_FAILED=1060 +RNGP_PARENTREF_NAME_INVALID=1061 +RNGP_PARENTREF_NO_NAME=1062 +RNGP_PARENTREF_NO_PARENT=1063 +RNGP_PARENTREF_NOT_EMPTY=1064 +RNGP_PARSE_ERROR=1065 +RNGP_PAT_ANYNAME_EXCEPT_ANYNAME=1066 +RNGP_PAT_ATTR_ATTR=1067 +RNGP_PAT_ATTR_ELEM=1068 +RNGP_PAT_DATA_EXCEPT_ATTR=1069 +RNGP_PAT_DATA_EXCEPT_ELEM=1070 +RNGP_PAT_DATA_EXCEPT_EMPTY=1071 +RNGP_PAT_DATA_EXCEPT_GROUP=1072 +RNGP_PAT_DATA_EXCEPT_INTERLEAVE=1073 +RNGP_PAT_DATA_EXCEPT_LIST=1074 +RNGP_PAT_DATA_EXCEPT_ONEMORE=1075 +RNGP_PAT_DATA_EXCEPT_REF=1076 +RNGP_PAT_DATA_EXCEPT_TEXT=1077 +RNGP_PAT_LIST_ATTR=1078 +RNGP_PAT_LIST_ELEM=1079 +RNGP_PAT_LIST_INTERLEAVE=1080 +RNGP_PAT_LIST_LIST=1081 +RNGP_PAT_LIST_REF=1082 +RNGP_PAT_LIST_TEXT=1083 +RNGP_PAT_NSNAME_EXCEPT_ANYNAME=1084 +RNGP_PAT_NSNAME_EXCEPT_NSNAME=1085 +RNGP_PAT_ONEMORE_GROUP_ATTR=1086 +RNGP_PAT_ONEMORE_INTERLEAVE_ATTR=1087 +RNGP_PAT_START_ATTR=1088 +RNGP_PAT_START_DATA=1089 +RNGP_PAT_START_EMPTY=1090 +RNGP_PAT_START_GROUP=1091 +RNGP_PAT_START_INTERLEAVE=1092 +RNGP_PAT_START_LIST=1093 +RNGP_PAT_START_ONEMORE=1094 +RNGP_PAT_START_TEXT=1095 +RNGP_PAT_START_VALUE=1096 +RNGP_PREFIX_UNDEFINED=1097 +RNGP_REF_CREATE_FAILED=1098 +RNGP_REF_CYCLE=1099 +RNGP_REF_NAME_INVALID=1100 +RNGP_REF_NO_DEF=1101 +RNGP_REF_NO_NAME=1102 +RNGP_REF_NOT_EMPTY=1103 +RNGP_START_CHOICE_AND_INTERLEAVE=1104 +RNGP_START_CONTENT=1105 +RNGP_START_EMPTY=1106 +RNGP_START_MISSING=1107 +RNGP_TEXT_EXPECTED=1108 +RNGP_TEXT_HAS_CHILD=1109 +RNGP_TYPE_MISSING=1110 +RNGP_TYPE_NOT_FOUND=1111 +RNGP_TYPE_VALUE=1112 +RNGP_UNKNOWN_ATTRIBUTE=1113 +RNGP_UNKNOWN_COMBINE=1114 +RNGP_UNKNOWN_CONSTRUCT=1115 +RNGP_UNKNOWN_TYPE_LIB=1116 +RNGP_URI_FRAGMENT=1117 +RNGP_URI_NOT_ABSOLUTE=1118 +RNGP_VALUE_EMPTY=1119 +RNGP_VALUE_NO_CONTENT=1120 +RNGP_XMLNS_NAME=1121 +RNGP_XML_NS=1122 +XPATH_EXPRESSION_OK=1200 +XPATH_NUMBER_ERROR=1201 +XPATH_UNFINISHED_LITERAL_ERROR=1202 +XPATH_START_LITERAL_ERROR=1203 +XPATH_VARIABLE_REF_ERROR=1204 +XPATH_UNDEF_VARIABLE_ERROR=1205 +XPATH_INVALID_PREDICATE_ERROR=1206 +XPATH_EXPR_ERROR=1207 +XPATH_UNCLOSED_ERROR=1208 +XPATH_UNKNOWN_FUNC_ERROR=1209 +XPATH_INVALID_OPERAND=1210 +XPATH_INVALID_TYPE=1211 +XPATH_INVALID_ARITY=1212 +XPATH_INVALID_CTXT_SIZE=1213 +XPATH_INVALID_CTXT_POSITION=1214 +XPATH_MEMORY_ERROR=1215 +XPTR_SYNTAX_ERROR=1216 +XPTR_RESOURCE_ERROR=1217 +XPTR_SUB_RESOURCE_ERROR=1218 +XPATH_UNDEF_PREFIX_ERROR=1219 +XPATH_ENCODING_ERROR=1220 +XPATH_INVALID_CHAR_ERROR=1221 +TREE_INVALID_HEX=1300 +TREE_INVALID_DEC=1301 +TREE_UNTERMINATED_ENTITY=1302 +TREE_NOT_UTF8=1303 +SAVE_NOT_UTF8=1400 +SAVE_CHAR_INVALID=1401 +SAVE_NO_DOCTYPE=1402 +SAVE_UNKNOWN_ENCODING=1403 +REGEXP_COMPILE_ERROR=1450 +IO_UNKNOWN=1500 +IO_EACCES=1501 +IO_EAGAIN=1502 +IO_EBADF=1503 +IO_EBADMSG=1504 +IO_EBUSY=1505 +IO_ECANCELED=1506 +IO_ECHILD=1507 +IO_EDEADLK=1508 +IO_EDOM=1509 +IO_EEXIST=1510 +IO_EFAULT=1511 +IO_EFBIG=1512 +IO_EINPROGRESS=1513 +IO_EINTR=1514 +IO_EINVAL=1515 +IO_EIO=1516 +IO_EISDIR=1517 +IO_EMFILE=1518 +IO_EMLINK=1519 +IO_EMSGSIZE=1520 +IO_ENAMETOOLONG=1521 +IO_ENFILE=1522 +IO_ENODEV=1523 +IO_ENOENT=1524 +IO_ENOEXEC=1525 +IO_ENOLCK=1526 +IO_ENOMEM=1527 +IO_ENOSPC=1528 +IO_ENOSYS=1529 +IO_ENOTDIR=1530 +IO_ENOTEMPTY=1531 +IO_ENOTSUP=1532 +IO_ENOTTY=1533 +IO_ENXIO=1534 +IO_EPERM=1535 +IO_EPIPE=1536 +IO_ERANGE=1537 +IO_EROFS=1538 +IO_ESPIPE=1539 +IO_ESRCH=1540 +IO_ETIMEDOUT=1541 +IO_EXDEV=1542 +IO_NETWORK_ATTEMPT=1543 +IO_ENCODER=1544 +IO_FLUSH=1545 +IO_WRITE=1546 +IO_NO_INPUT=1547 +IO_BUFFER_FULL=1548 +IO_LOAD_ERROR=1549 +IO_ENOTSOCK=1550 +IO_EISCONN=1551 +IO_ECONNREFUSED=1552 +IO_ENETUNREACH=1553 +IO_EADDRINUSE=1554 +IO_EALREADY=1555 +IO_EAFNOSUPPORT=1556 +IO_UNSUPPORTED_PROTOCOL=1557 +XINCLUDE_RECURSION=1600 +XINCLUDE_PARSE_VALUE=1601 +XINCLUDE_ENTITY_DEF_MISMATCH=1602 +XINCLUDE_NO_HREF=1603 +XINCLUDE_NO_FALLBACK=1604 +XINCLUDE_HREF_URI=1605 +XINCLUDE_TEXT_FRAGMENT=1606 +XINCLUDE_TEXT_DOCUMENT=1607 +XINCLUDE_INVALID_CHAR=1608 +XINCLUDE_BUILD_FAILED=1609 +XINCLUDE_UNKNOWN_ENCODING=1610 +XINCLUDE_MULTIPLE_ROOT=1611 +XINCLUDE_XPTR_FAILED=1612 +XINCLUDE_XPTR_RESULT=1613 +XINCLUDE_INCLUDE_IN_INCLUDE=1614 +XINCLUDE_FALLBACKS_IN_INCLUDE=1615 +XINCLUDE_FALLBACK_NOT_IN_INCLUDE=1616 +XINCLUDE_DEPRECATED_NS=1617 +XINCLUDE_FRAGMENT_ID=1618 +CATALOG_MISSING_ATTR=1650 +CATALOG_ENTRY_BROKEN=1651 +CATALOG_PREFER_VALUE=1652 +CATALOG_NOT_CATALOG=1653 +CATALOG_RECURSION=1654 +SCHEMAP_PREFIX_UNDEFINED=1700 +SCHEMAP_ATTRFORMDEFAULT_VALUE=1701 +SCHEMAP_ATTRGRP_NONAME_NOREF=1702 +SCHEMAP_ATTR_NONAME_NOREF=1703 +SCHEMAP_COMPLEXTYPE_NONAME_NOREF=1704 +SCHEMAP_ELEMFORMDEFAULT_VALUE=1705 +SCHEMAP_ELEM_NONAME_NOREF=1706 +SCHEMAP_EXTENSION_NO_BASE=1707 +SCHEMAP_FACET_NO_VALUE=1708 +SCHEMAP_FAILED_BUILD_IMPORT=1709 +SCHEMAP_GROUP_NONAME_NOREF=1710 +SCHEMAP_IMPORT_NAMESPACE_NOT_URI=1711 +SCHEMAP_IMPORT_REDEFINE_NSNAME=1712 +SCHEMAP_IMPORT_SCHEMA_NOT_URI=1713 +SCHEMAP_INVALID_BOOLEAN=1714 +SCHEMAP_INVALID_ENUM=1715 +SCHEMAP_INVALID_FACET=1716 +SCHEMAP_INVALID_FACET_VALUE=1717 +SCHEMAP_INVALID_MAXOCCURS=1718 +SCHEMAP_INVALID_MINOCCURS=1719 +SCHEMAP_INVALID_REF_AND_SUBTYPE=1720 +SCHEMAP_INVALID_WHITE_SPACE=1721 +SCHEMAP_NOATTR_NOREF=1722 +SCHEMAP_NOTATION_NO_NAME=1723 +SCHEMAP_NOTYPE_NOREF=1724 +SCHEMAP_REF_AND_SUBTYPE=1725 +SCHEMAP_RESTRICTION_NONAME_NOREF=1726 +SCHEMAP_SIMPLETYPE_NONAME=1727 +SCHEMAP_TYPE_AND_SUBTYPE=1728 +SCHEMAP_UNKNOWN_ALL_CHILD=1729 +SCHEMAP_UNKNOWN_ANYATTRIBUTE_CHILD=1730 +SCHEMAP_UNKNOWN_ATTR_CHILD=1731 +SCHEMAP_UNKNOWN_ATTRGRP_CHILD=1732 +SCHEMAP_UNKNOWN_ATTRIBUTE_GROUP=1733 +SCHEMAP_UNKNOWN_BASE_TYPE=1734 +SCHEMAP_UNKNOWN_CHOICE_CHILD=1735 +SCHEMAP_UNKNOWN_COMPLEXCONTENT_CHILD=1736 +SCHEMAP_UNKNOWN_COMPLEXTYPE_CHILD=1737 +SCHEMAP_UNKNOWN_ELEM_CHILD=1738 +SCHEMAP_UNKNOWN_EXTENSION_CHILD=1739 +SCHEMAP_UNKNOWN_FACET_CHILD=1740 +SCHEMAP_UNKNOWN_FACET_TYPE=1741 +SCHEMAP_UNKNOWN_GROUP_CHILD=1742 +SCHEMAP_UNKNOWN_IMPORT_CHILD=1743 +SCHEMAP_UNKNOWN_LIST_CHILD=1744 +SCHEMAP_UNKNOWN_NOTATION_CHILD=1745 +SCHEMAP_UNKNOWN_PROCESSCONTENT_CHILD=1746 +SCHEMAP_UNKNOWN_REF=1747 +SCHEMAP_UNKNOWN_RESTRICTION_CHILD=1748 +SCHEMAP_UNKNOWN_SCHEMAS_CHILD=1749 +SCHEMAP_UNKNOWN_SEQUENCE_CHILD=1750 +SCHEMAP_UNKNOWN_SIMPLECONTENT_CHILD=1751 +SCHEMAP_UNKNOWN_SIMPLETYPE_CHILD=1752 +SCHEMAP_UNKNOWN_TYPE=1753 +SCHEMAP_UNKNOWN_UNION_CHILD=1754 +SCHEMAP_ELEM_DEFAULT_FIXED=1755 +SCHEMAP_REGEXP_INVALID=1756 +SCHEMAP_FAILED_LOAD=1757 +SCHEMAP_NOTHING_TO_PARSE=1758 +SCHEMAP_NOROOT=1759 +SCHEMAP_REDEFINED_GROUP=1760 +SCHEMAP_REDEFINED_TYPE=1761 +SCHEMAP_REDEFINED_ELEMENT=1762 +SCHEMAP_REDEFINED_ATTRGROUP=1763 +SCHEMAP_REDEFINED_ATTR=1764 +SCHEMAP_REDEFINED_NOTATION=1765 +SCHEMAP_FAILED_PARSE=1766 +SCHEMAP_UNKNOWN_PREFIX=1767 +SCHEMAP_DEF_AND_PREFIX=1768 +SCHEMAP_UNKNOWN_INCLUDE_CHILD=1769 +SCHEMAP_INCLUDE_SCHEMA_NOT_URI=1770 +SCHEMAP_INCLUDE_SCHEMA_NO_URI=1771 +SCHEMAP_NOT_SCHEMA=1772 +SCHEMAP_UNKNOWN_MEMBER_TYPE=1773 +SCHEMAP_INVALID_ATTR_USE=1774 +SCHEMAP_RECURSIVE=1775 +SCHEMAP_SUPERNUMEROUS_LIST_ITEM_TYPE=1776 +SCHEMAP_INVALID_ATTR_COMBINATION=1777 +SCHEMAP_INVALID_ATTR_INLINE_COMBINATION=1778 +SCHEMAP_MISSING_SIMPLETYPE_CHILD=1779 +SCHEMAP_INVALID_ATTR_NAME=1780 +SCHEMAP_REF_AND_CONTENT=1781 +SCHEMAP_CT_PROPS_CORRECT_1=1782 +SCHEMAP_CT_PROPS_CORRECT_2=1783 +SCHEMAP_CT_PROPS_CORRECT_3=1784 +SCHEMAP_CT_PROPS_CORRECT_4=1785 +SCHEMAP_CT_PROPS_CORRECT_5=1786 +SCHEMAP_DERIVATION_OK_RESTRICTION_1=1787 +SCHEMAP_DERIVATION_OK_RESTRICTION_2_1_1=1788 +SCHEMAP_DERIVATION_OK_RESTRICTION_2_1_2=1789 +SCHEMAP_DERIVATION_OK_RESTRICTION_2_2=1790 +SCHEMAP_DERIVATION_OK_RESTRICTION_3=1791 +SCHEMAP_WILDCARD_INVALID_NS_MEMBER=1792 +SCHEMAP_INTERSECTION_NOT_EXPRESSIBLE=1793 +SCHEMAP_UNION_NOT_EXPRESSIBLE=1794 +SCHEMAP_SRC_IMPORT_3_1=1795 +SCHEMAP_SRC_IMPORT_3_2=1796 +SCHEMAP_DERIVATION_OK_RESTRICTION_4_1=1797 +SCHEMAP_DERIVATION_OK_RESTRICTION_4_2=1798 +SCHEMAP_DERIVATION_OK_RESTRICTION_4_3=1799 +SCHEMAP_COS_CT_EXTENDS_1_3=1800 +SCHEMAV_NOROOT=1801 +SCHEMAV_UNDECLAREDELEM=1802 +SCHEMAV_NOTTOPLEVEL=1803 +SCHEMAV_MISSING=1804 +SCHEMAV_WRONGELEM=1805 +SCHEMAV_NOTYPE=1806 +SCHEMAV_NOROLLBACK=1807 +SCHEMAV_ISABSTRACT=1808 +SCHEMAV_NOTEMPTY=1809 +SCHEMAV_ELEMCONT=1810 +SCHEMAV_HAVEDEFAULT=1811 +SCHEMAV_NOTNILLABLE=1812 +SCHEMAV_EXTRACONTENT=1813 +SCHEMAV_INVALIDATTR=1814 +SCHEMAV_INVALIDELEM=1815 +SCHEMAV_NOTDETERMINIST=1816 +SCHEMAV_CONSTRUCT=1817 +SCHEMAV_INTERNAL=1818 +SCHEMAV_NOTSIMPLE=1819 +SCHEMAV_ATTRUNKNOWN=1820 +SCHEMAV_ATTRINVALID=1821 +SCHEMAV_VALUE=1822 +SCHEMAV_FACET=1823 +SCHEMAV_CVC_DATATYPE_VALID_1_2_1=1824 +SCHEMAV_CVC_DATATYPE_VALID_1_2_2=1825 +SCHEMAV_CVC_DATATYPE_VALID_1_2_3=1826 +SCHEMAV_CVC_TYPE_3_1_1=1827 +SCHEMAV_CVC_TYPE_3_1_2=1828 +SCHEMAV_CVC_FACET_VALID=1829 +SCHEMAV_CVC_LENGTH_VALID=1830 +SCHEMAV_CVC_MINLENGTH_VALID=1831 +SCHEMAV_CVC_MAXLENGTH_VALID=1832 +SCHEMAV_CVC_MININCLUSIVE_VALID=1833 +SCHEMAV_CVC_MAXINCLUSIVE_VALID=1834 +SCHEMAV_CVC_MINEXCLUSIVE_VALID=1835 +SCHEMAV_CVC_MAXEXCLUSIVE_VALID=1836 +SCHEMAV_CVC_TOTALDIGITS_VALID=1837 +SCHEMAV_CVC_FRACTIONDIGITS_VALID=1838 +SCHEMAV_CVC_PATTERN_VALID=1839 +SCHEMAV_CVC_ENUMERATION_VALID=1840 +SCHEMAV_CVC_COMPLEX_TYPE_2_1=1841 +SCHEMAV_CVC_COMPLEX_TYPE_2_2=1842 +SCHEMAV_CVC_COMPLEX_TYPE_2_3=1843 +SCHEMAV_CVC_COMPLEX_TYPE_2_4=1844 +SCHEMAV_CVC_ELT_1=1845 +SCHEMAV_CVC_ELT_2=1846 +SCHEMAV_CVC_ELT_3_1=1847 +SCHEMAV_CVC_ELT_3_2_1=1848 +SCHEMAV_CVC_ELT_3_2_2=1849 +SCHEMAV_CVC_ELT_4_1=1850 +SCHEMAV_CVC_ELT_4_2=1851 +SCHEMAV_CVC_ELT_4_3=1852 +SCHEMAV_CVC_ELT_5_1_1=1853 +SCHEMAV_CVC_ELT_5_1_2=1854 +SCHEMAV_CVC_ELT_5_2_1=1855 +SCHEMAV_CVC_ELT_5_2_2_1=1856 +SCHEMAV_CVC_ELT_5_2_2_2_1=1857 +SCHEMAV_CVC_ELT_5_2_2_2_2=1858 +SCHEMAV_CVC_ELT_6=1859 +SCHEMAV_CVC_ELT_7=1860 +SCHEMAV_CVC_ATTRIBUTE_1=1861 +SCHEMAV_CVC_ATTRIBUTE_2=1862 +SCHEMAV_CVC_ATTRIBUTE_3=1863 +SCHEMAV_CVC_ATTRIBUTE_4=1864 +SCHEMAV_CVC_COMPLEX_TYPE_3_1=1865 +SCHEMAV_CVC_COMPLEX_TYPE_3_2_1=1866 +SCHEMAV_CVC_COMPLEX_TYPE_3_2_2=1867 +SCHEMAV_CVC_COMPLEX_TYPE_4=1868 +SCHEMAV_CVC_COMPLEX_TYPE_5_1=1869 +SCHEMAV_CVC_COMPLEX_TYPE_5_2=1870 +SCHEMAV_ELEMENT_CONTENT=1871 +SCHEMAV_DOCUMENT_ELEMENT_MISSING=1872 +SCHEMAV_CVC_COMPLEX_TYPE_1=1873 +SCHEMAV_CVC_AU=1874 +SCHEMAV_CVC_TYPE_1=1875 +SCHEMAV_CVC_TYPE_2=1876 +SCHEMAV_CVC_IDC=1877 +SCHEMAV_CVC_WILDCARD=1878 +SCHEMAV_MISC=1879 +XPTR_UNKNOWN_SCHEME=1900 +XPTR_CHILDSEQ_START=1901 +XPTR_EVAL_FAILED=1902 +XPTR_EXTRA_OBJECTS=1903 +C14N_CREATE_CTXT=1950 +C14N_REQUIRES_UTF8=1951 +C14N_CREATE_STACK=1952 +C14N_INVALID_NODE=1953 +C14N_UNKNOW_NODE=1954 +C14N_RELATIVE_NAMESPACE=1955 +FTP_PASV_ANSWER=2000 +FTP_EPSV_ANSWER=2001 +FTP_ACCNT=2002 +FTP_URL_SYNTAX=2003 +HTTP_URL_SYNTAX=2020 +HTTP_USE_IP=2021 +HTTP_UNKNOWN_HOST=2022 +SCHEMAP_SRC_SIMPLE_TYPE_1=3000 +SCHEMAP_SRC_SIMPLE_TYPE_2=3001 +SCHEMAP_SRC_SIMPLE_TYPE_3=3002 +SCHEMAP_SRC_SIMPLE_TYPE_4=3003 +SCHEMAP_SRC_RESOLVE=3004 +SCHEMAP_SRC_RESTRICTION_BASE_OR_SIMPLETYPE=3005 +SCHEMAP_SRC_LIST_ITEMTYPE_OR_SIMPLETYPE=3006 +SCHEMAP_SRC_UNION_MEMBERTYPES_OR_SIMPLETYPES=3007 +SCHEMAP_ST_PROPS_CORRECT_1=3008 +SCHEMAP_ST_PROPS_CORRECT_2=3009 +SCHEMAP_ST_PROPS_CORRECT_3=3010 +SCHEMAP_COS_ST_RESTRICTS_1_1=3011 +SCHEMAP_COS_ST_RESTRICTS_1_2=3012 +SCHEMAP_COS_ST_RESTRICTS_1_3_1=3013 +SCHEMAP_COS_ST_RESTRICTS_1_3_2=3014 +SCHEMAP_COS_ST_RESTRICTS_2_1=3015 +SCHEMAP_COS_ST_RESTRICTS_2_3_1_1=3016 +SCHEMAP_COS_ST_RESTRICTS_2_3_1_2=3017 +SCHEMAP_COS_ST_RESTRICTS_2_3_2_1=3018 +SCHEMAP_COS_ST_RESTRICTS_2_3_2_2=3019 +SCHEMAP_COS_ST_RESTRICTS_2_3_2_3=3020 +SCHEMAP_COS_ST_RESTRICTS_2_3_2_4=3021 +SCHEMAP_COS_ST_RESTRICTS_2_3_2_5=3022 +SCHEMAP_COS_ST_RESTRICTS_3_1=3023 +SCHEMAP_COS_ST_RESTRICTS_3_3_1=3024 +SCHEMAP_COS_ST_RESTRICTS_3_3_1_2=3025 +SCHEMAP_COS_ST_RESTRICTS_3_3_2_2=3026 +SCHEMAP_COS_ST_RESTRICTS_3_3_2_1=3027 +SCHEMAP_COS_ST_RESTRICTS_3_3_2_3=3028 +SCHEMAP_COS_ST_RESTRICTS_3_3_2_4=3029 +SCHEMAP_COS_ST_RESTRICTS_3_3_2_5=3030 +SCHEMAP_COS_ST_DERIVED_OK_2_1=3031 +SCHEMAP_COS_ST_DERIVED_OK_2_2=3032 +SCHEMAP_S4S_ELEM_NOT_ALLOWED=3033 +SCHEMAP_S4S_ELEM_MISSING=3034 +SCHEMAP_S4S_ATTR_NOT_ALLOWED=3035 +SCHEMAP_S4S_ATTR_MISSING=3036 +SCHEMAP_S4S_ATTR_INVALID_VALUE=3037 +SCHEMAP_SRC_ELEMENT_1=3038 +SCHEMAP_SRC_ELEMENT_2_1=3039 +SCHEMAP_SRC_ELEMENT_2_2=3040 +SCHEMAP_SRC_ELEMENT_3=3041 +SCHEMAP_P_PROPS_CORRECT_1=3042 +SCHEMAP_P_PROPS_CORRECT_2_1=3043 +SCHEMAP_P_PROPS_CORRECT_2_2=3044 +SCHEMAP_E_PROPS_CORRECT_2=3045 +SCHEMAP_E_PROPS_CORRECT_3=3046 +SCHEMAP_E_PROPS_CORRECT_4=3047 +SCHEMAP_E_PROPS_CORRECT_5=3048 +SCHEMAP_E_PROPS_CORRECT_6=3049 +SCHEMAP_SRC_INCLUDE=3050 +SCHEMAP_SRC_ATTRIBUTE_1=3051 +SCHEMAP_SRC_ATTRIBUTE_2=3052 +SCHEMAP_SRC_ATTRIBUTE_3_1=3053 +SCHEMAP_SRC_ATTRIBUTE_3_2=3054 +SCHEMAP_SRC_ATTRIBUTE_4=3055 +SCHEMAP_NO_XMLNS=3056 +SCHEMAP_NO_XSI=3057 +SCHEMAP_COS_VALID_DEFAULT_1=3058 +SCHEMAP_COS_VALID_DEFAULT_2_1=3059 +SCHEMAP_COS_VALID_DEFAULT_2_2_1=3060 +SCHEMAP_COS_VALID_DEFAULT_2_2_2=3061 +SCHEMAP_CVC_SIMPLE_TYPE=3062 +SCHEMAP_COS_CT_EXTENDS_1_1=3063 +SCHEMAP_SRC_IMPORT_1_1=3064 +SCHEMAP_SRC_IMPORT_1_2=3065 +SCHEMAP_SRC_IMPORT_2=3066 +SCHEMAP_SRC_IMPORT_2_1=3067 +SCHEMAP_SRC_IMPORT_2_2=3068 +SCHEMAP_INTERNAL=3069 +SCHEMAP_NOT_DETERMINISTIC=3070 +SCHEMAP_SRC_ATTRIBUTE_GROUP_1=3071 +SCHEMAP_SRC_ATTRIBUTE_GROUP_2=3072 +SCHEMAP_SRC_ATTRIBUTE_GROUP_3=3073 +SCHEMAP_MG_PROPS_CORRECT_1=3074 +SCHEMAP_MG_PROPS_CORRECT_2=3075 +SCHEMAP_SRC_CT_1=3076 +SCHEMAP_DERIVATION_OK_RESTRICTION_2_1_3=3077 +SCHEMAP_AU_PROPS_CORRECT_2=3078 +SCHEMAP_A_PROPS_CORRECT_2=3079 +SCHEMAP_C_PROPS_CORRECT=3080 +SCHEMAP_SRC_REDEFINE=3081 +SCHEMAP_SRC_IMPORT=3082 +SCHEMAP_WARN_SKIP_SCHEMA=3083 +SCHEMAP_WARN_UNLOCATED_SCHEMA=3084 +SCHEMAP_WARN_ATTR_REDECL_PROH=3085 +SCHEMAP_WARN_ATTR_POINTLESS_PROH=3086 +SCHEMAP_AG_PROPS_CORRECT=3087 +SCHEMAP_COS_CT_EXTENDS_1_2=3088 +SCHEMAP_AU_PROPS_CORRECT=3089 +SCHEMAP_A_PROPS_CORRECT_3=3090 +SCHEMAP_COS_ALL_LIMITED=3091 +SCHEMATRONV_ASSERT=4000 +SCHEMATRONV_REPORT=4001 +MODULE_OPEN=4900 +MODULE_CLOSE=4901 +CHECK_FOUND_ELEMENT=5000 +CHECK_FOUND_ATTRIBUTE=5001 +CHECK_FOUND_TEXT=5002 +CHECK_FOUND_CDATA=5003 +CHECK_FOUND_ENTITYREF=5004 +CHECK_FOUND_ENTITY=5005 +CHECK_FOUND_PI=5006 +CHECK_FOUND_COMMENT=5007 +CHECK_FOUND_DOCTYPE=5008 +CHECK_FOUND_FRAGMENT=5009 +CHECK_FOUND_NOTATION=5010 +CHECK_UNKNOWN_NODE=5011 +CHECK_ENTITY_TYPE=5012 +CHECK_NO_PARENT=5013 +CHECK_NO_DOC=5014 +CHECK_NO_NAME=5015 +CHECK_NO_ELEM=5016 +CHECK_WRONG_DOC=5017 +CHECK_NO_PREV=5018 +CHECK_WRONG_PREV=5019 +CHECK_NO_NEXT=5020 +CHECK_WRONG_NEXT=5021 +CHECK_NOT_DTD=5022 +CHECK_NOT_ATTR=5023 +CHECK_NOT_ATTR_DECL=5024 +CHECK_NOT_ELEM_DECL=5025 +CHECK_NOT_ENTITY_DECL=5026 +CHECK_NOT_NS_DECL=5027 +CHECK_NO_HREF=5028 +CHECK_WRONG_PARENT=5029 +CHECK_NS_SCOPE=5030 +CHECK_NS_ANCESTOR=5031 +CHECK_NOT_UTF8=5032 +CHECK_NO_DICT=5033 +CHECK_NOT_NCNAME=5034 +CHECK_OUTSIDE_DICT=5035 +CHECK_WRONG_NAME=5036 +CHECK_NAME_NOT_NULL=5037 +I18N_NO_NAME=6000 +I18N_NO_HANDLER=6001 +I18N_EXCESS_HANDLER=6002 +I18N_CONV_FAILED=6003 +I18N_NO_OUTPUT=6004 +BUF_OVERFLOW=7000 +""" + +cdef object __RELAXNG_ERROR_TYPES = """\ +RELAXNG_OK=0 +RELAXNG_ERR_MEMORY=1 +RELAXNG_ERR_TYPE=2 +RELAXNG_ERR_TYPEVAL=3 +RELAXNG_ERR_DUPID=4 +RELAXNG_ERR_TYPECMP=5 +RELAXNG_ERR_NOSTATE=6 +RELAXNG_ERR_NODEFINE=7 +RELAXNG_ERR_LISTEXTRA=8 +RELAXNG_ERR_LISTEMPTY=9 +RELAXNG_ERR_INTERNODATA=10 +RELAXNG_ERR_INTERSEQ=11 +RELAXNG_ERR_INTEREXTRA=12 +RELAXNG_ERR_ELEMNAME=13 +RELAXNG_ERR_ATTRNAME=14 +RELAXNG_ERR_ELEMNONS=15 +RELAXNG_ERR_ATTRNONS=16 +RELAXNG_ERR_ELEMWRONGNS=17 +RELAXNG_ERR_ATTRWRONGNS=18 +RELAXNG_ERR_ELEMEXTRANS=19 +RELAXNG_ERR_ATTREXTRANS=20 +RELAXNG_ERR_ELEMNOTEMPTY=21 +RELAXNG_ERR_NOELEM=22 +RELAXNG_ERR_NOTELEM=23 +RELAXNG_ERR_ATTRVALID=24 +RELAXNG_ERR_CONTENTVALID=25 +RELAXNG_ERR_EXTRACONTENT=26 +RELAXNG_ERR_INVALIDATTR=27 +RELAXNG_ERR_DATAELEM=28 +RELAXNG_ERR_VALELEM=29 +RELAXNG_ERR_LISTELEM=30 +RELAXNG_ERR_DATATYPE=31 +RELAXNG_ERR_VALUE=32 +RELAXNG_ERR_LIST=33 +RELAXNG_ERR_NOGRAMMAR=34 +RELAXNG_ERR_EXTRADATA=35 +RELAXNG_ERR_LACKDATA=36 +RELAXNG_ERR_INTERNAL=37 +RELAXNG_ERR_ELEMWRONG=38 +RELAXNG_ERR_TEXTWRONG=39 +""" +# --- END: GENERATED CONSTANTS --- + +__initErrorConstants() diff --git a/.venv/lib/python3.12/site-packages/lxml/xmlid.pxi b/.venv/lib/python3.12/site-packages/lxml/xmlid.pxi new file mode 100644 index 0000000000000000000000000000000000000000..1531f6d98fdde3319e453826e12e375a80fafcc2 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/xmlid.pxi @@ -0,0 +1,179 @@ +cdef object _find_id_attributes + +def XMLID(text, parser=None, *, base_url=None): + """XMLID(text, parser=None, base_url=None) + + Parse the text and return a tuple (root node, ID dictionary). The root + node is the same as returned by the XML() function. The dictionary + contains string-element pairs. The dictionary keys are the values of 'id' + attributes. The elements referenced by the ID are stored as dictionary + values. + """ + cdef dict dic + global _find_id_attributes + if _find_id_attributes is None: + _find_id_attributes = XPath('//*[string(@id)]') + + # ElementTree compatible implementation: parse and look for 'id' attributes + root = XML(text, parser, base_url=base_url) + dic = {} + for elem in _find_id_attributes(root): + dic[elem.get('id')] = elem + return root, dic + +def XMLDTDID(text, parser=None, *, base_url=None): + """XMLDTDID(text, parser=None, base_url=None) + + Parse the text and return a tuple (root node, ID dictionary). The root + node is the same as returned by the XML() function. The dictionary + contains string-element pairs. The dictionary keys are the values of ID + attributes as defined by the DTD. The elements referenced by the ID are + stored as dictionary values. + + Note that you must not modify the XML tree if you use the ID dictionary. + The results are undefined. + """ + cdef _Element root + root = XML(text, parser, base_url=base_url) + # xml:id spec compatible implementation: use DTD ID attributes from libxml2 + if root._doc._c_doc.ids is NULL: + return root, {} + else: + return root, _IDDict(root) + +def parseid(source, parser=None, *, base_url=None): + """parseid(source, parser=None) + + Parses the source into a tuple containing an ElementTree object and an + ID dictionary. If no parser is provided as second argument, the default + parser is used. + + Note that you must not modify the XML tree if you use the ID dictionary. + The results are undefined. + """ + cdef _Document doc + doc = _parseDocument(source, parser, base_url) + return _elementTreeFactory(doc, None), _IDDict(doc) + +cdef class _IDDict: + """IDDict(self, etree) + A dictionary-like proxy class that mapps ID attributes to elements. + + The dictionary must be instantiated with the root element of a parsed XML + document, otherwise the behaviour is undefined. Elements and XML trees + that were created or modified 'by hand' are not supported. + """ + cdef _Document _doc + cdef object _keys + cdef object _items + def __cinit__(self, etree): + cdef _Document doc + doc = _documentOrRaise(etree) + if doc._c_doc.ids is NULL: + raise ValueError, "No ID dictionary available." + self._doc = doc + self._keys = None + self._items = None + + def copy(self): + return _IDDict(self._doc) + + def __getitem__(self, id_name): + cdef tree.xmlHashTable* c_ids + cdef tree.xmlID* c_id + cdef xmlAttr* c_attr + c_ids = self._doc._c_doc.ids + id_utf = _utf8(id_name) + c_id = tree.xmlHashLookup(c_ids, _xcstr(id_utf)) + if c_id is NULL: + raise KeyError, "key not found." + c_attr = c_id.attr + if c_attr is NULL or c_attr.parent is NULL: + raise KeyError, "ID attribute not found." + return _elementFactory(self._doc, c_attr.parent) + + def get(self, id_name): + return self[id_name] + + def __contains__(self, id_name): + cdef tree.xmlID* c_id + id_utf = _utf8(id_name) + c_id = tree.xmlHashLookup( + self._doc._c_doc.ids, _xcstr(id_utf)) + return c_id is not NULL + + def has_key(self, id_name): + return id_name in self + + def __repr__(self): + return repr(dict(self)) + + def keys(self): + if self._keys is None: + self._keys = self._build_keys() + return self._keys[:] + + def __iter__(self): + if self._keys is None: + self._keys = self._build_keys() + return iter(self._keys) + + def iterkeys(self): + return self + + def __len__(self): + if self._keys is None: + self._keys = self._build_keys() + return len(self._keys) + + def items(self): + if self._items is None: + self._items = self._build_items() + return self._items[:] + + def iteritems(self): + if self._items is None: + self._items = self._build_items() + return iter(self._items) + + def values(self): + cdef list values = [] + if self._items is None: + self._items = self._build_items() + for item in self._items: + value = python.PyTuple_GET_ITEM(item, 1) + python.Py_INCREF(value) + values.append(value) + return values + + def itervalues(self): + return iter(self.values()) + + cdef object _build_keys(self): + keys = [] + tree.xmlHashScan(self._doc._c_doc.ids, + _collectIdHashKeys, keys) + return keys + + cdef object _build_items(self): + items = [] + context = (items, self._doc) + tree.xmlHashScan(self._doc._c_doc.ids, + _collectIdHashItemList, context) + return items + +cdef void _collectIdHashItemList(void* payload, void* context, xmlChar* name) noexcept: + # collect elements from ID attribute hash table + cdef list lst + c_id = payload + if c_id is NULL or c_id.attr is NULL or c_id.attr.parent is NULL: + return + lst, doc = context + element = _elementFactory(doc, c_id.attr.parent) + lst.append( (funicode(name), element) ) + +cdef void _collectIdHashKeys(void* payload, void* collect_list, xmlChar* name) noexcept: + c_id = payload + if c_id is NULL or c_id.attr is NULL or c_id.attr.parent is NULL: + return + (collect_list).append(funicode(name)) diff --git a/.venv/lib/python3.12/site-packages/lxml/xmlschema.pxi b/.venv/lib/python3.12/site-packages/lxml/xmlschema.pxi new file mode 100644 index 0000000000000000000000000000000000000000..ac5f95876e06147f481ca3f52a3185c6478428d8 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/xmlschema.pxi @@ -0,0 +1,215 @@ +# support for XMLSchema validation +from lxml.includes cimport xmlschema + + +cdef class XMLSchemaError(LxmlError): + """Base class of all XML Schema errors + """ + +cdef class XMLSchemaParseError(XMLSchemaError): + """Error while parsing an XML document as XML Schema. + """ + +cdef class XMLSchemaValidateError(XMLSchemaError): + """Error while validating an XML document with an XML Schema. + """ + + +################################################################################ +# XMLSchema + +cdef XPath _check_for_default_attributes = XPath( + "boolean(//xs:attribute[@default or @fixed][1])", + namespaces={'xs': 'http://www.w3.org/2001/XMLSchema'}) + + +cdef class XMLSchema(_Validator): + """XMLSchema(self, etree=None, file=None) + Turn a document into an XML Schema validator. + + Either pass a schema as Element or ElementTree, or pass a file or + filename through the ``file`` keyword argument. + + Passing the ``attribute_defaults`` boolean option will make the + schema insert default/fixed attributes into validated documents. + """ + cdef xmlschema.xmlSchema* _c_schema + cdef _Document _doc + cdef bint _has_default_attributes + cdef bint _add_attribute_defaults + + def __cinit__(self): + self._has_default_attributes = True # play it safe + self._add_attribute_defaults = False + + def __init__(self, etree=None, *, file=None, bint attribute_defaults=False): + cdef xmlschema.xmlSchemaParserCtxt* parser_ctxt + cdef xmlDoc* c_doc + + self._add_attribute_defaults = attribute_defaults + _Validator.__init__(self) + c_doc = NULL + if etree is not None: + doc = _documentOrRaise(etree) + root_node = _rootNodeOrRaise(etree) + c_doc = _copyDocRoot(doc._c_doc, root_node._c_node) + self._doc = _documentFactory(c_doc, doc._parser) + parser_ctxt = xmlschema.xmlSchemaNewDocParserCtxt(c_doc) + elif file is not None: + file = _getFSPathOrObject(file) + if _isString(file): + filename = _encodeFilename(file) + parser_ctxt = xmlschema.xmlSchemaNewParserCtxt(_cstr(filename)) + else: + self._doc = _parseDocument(file, None, None) + parser_ctxt = xmlschema.xmlSchemaNewDocParserCtxt(self._doc._c_doc) + else: + raise XMLSchemaParseError, "No tree or file given" + + if parser_ctxt is NULL: + raise MemoryError() + + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + xmlschema.xmlSchemaSetParserStructuredErrors( + parser_ctxt, _receiveError, self._error_log) + if self._doc is not None: + # calling xmlSchemaParse on a schema with imports or + # includes will cause libxml2 to create an internal + # context for parsing, so push an implied context to route + # resolve requests to the document's parser + __GLOBAL_PARSER_CONTEXT.pushImpliedContextFromParser(self._doc._parser) + with nogil: + orig_loader = _register_document_loader() + self._c_schema = xmlschema.xmlSchemaParse(parser_ctxt) + _reset_document_loader(orig_loader) + if self._doc is not None: + __GLOBAL_PARSER_CONTEXT.popImpliedContext() + xmlschema.xmlSchemaFreeParserCtxt(parser_ctxt) + + if self._c_schema is NULL: + raise XMLSchemaParseError( + self._error_log._buildExceptionMessage( + "Document is not valid XML Schema"), + self._error_log) + + if self._doc is not None: + self._has_default_attributes = _check_for_default_attributes(self._doc) + self._add_attribute_defaults = attribute_defaults and self._has_default_attributes + + def __dealloc__(self): + xmlschema.xmlSchemaFree(self._c_schema) + + def __call__(self, etree): + """__call__(self, etree) + + Validate doc using XML Schema. + + Returns true if document is valid, false if not. + """ + cdef xmlschema.xmlSchemaValidCtxt* valid_ctxt + cdef _Document doc + cdef _Element root_node + cdef xmlDoc* c_doc + cdef int ret + + assert self._c_schema is not NULL, "Schema instance not initialised" + doc = _documentOrRaise(etree) + root_node = _rootNodeOrRaise(etree) + + valid_ctxt = xmlschema.xmlSchemaNewValidCtxt(self._c_schema) + if valid_ctxt is NULL: + raise MemoryError() + + try: + if self._add_attribute_defaults: + xmlschema.xmlSchemaSetValidOptions( + valid_ctxt, xmlschema.XML_SCHEMA_VAL_VC_I_CREATE) + + self._error_log.clear() + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + xmlschema.xmlSchemaSetValidStructuredErrors( + valid_ctxt, _receiveError, self._error_log) + + c_doc = _fakeRootDoc(doc._c_doc, root_node._c_node) + with nogil: + ret = xmlschema.xmlSchemaValidateDoc(valid_ctxt, c_doc) + _destroyFakeDoc(doc._c_doc, c_doc) + finally: + xmlschema.xmlSchemaFreeValidCtxt(valid_ctxt) + + if ret == -1: + raise XMLSchemaValidateError( + "Internal error in XML Schema validation.", + self._error_log) + if ret == 0: + return True + else: + return False + + cdef _ParserSchemaValidationContext _newSaxValidator( + self, bint add_default_attributes): + cdef _ParserSchemaValidationContext context + context = _ParserSchemaValidationContext.__new__(_ParserSchemaValidationContext) + context._schema = self + context._add_default_attributes = (self._has_default_attributes and ( + add_default_attributes or self._add_attribute_defaults)) + return context + +@cython.final +@cython.internal +cdef class _ParserSchemaValidationContext: + cdef XMLSchema _schema + cdef xmlschema.xmlSchemaValidCtxt* _valid_ctxt + cdef xmlschema.xmlSchemaSAXPlugStruct* _sax_plug + cdef bint _add_default_attributes + def __cinit__(self): + self._valid_ctxt = NULL + self._sax_plug = NULL + self._add_default_attributes = False + + def __dealloc__(self): + self.disconnect() + if self._valid_ctxt: + xmlschema.xmlSchemaFreeValidCtxt(self._valid_ctxt) + + cdef _ParserSchemaValidationContext copy(self): + assert self._schema is not None, "_ParserSchemaValidationContext not initialised" + return self._schema._newSaxValidator( + self._add_default_attributes) + + cdef void inject_default_attributes(self, xmlDoc* c_doc) noexcept: + # we currently need to insert default attributes manually + # after parsing, as libxml2 does not support this at parse + # time + if self._add_default_attributes: + with nogil: + xmlschema.xmlSchemaValidateDoc(self._valid_ctxt, c_doc) + + cdef int connect(self, xmlparser.xmlParserCtxt* c_ctxt, _BaseErrorLog error_log) except -1: + if self._valid_ctxt is NULL: + self._valid_ctxt = xmlschema.xmlSchemaNewValidCtxt( + self._schema._c_schema) + if self._valid_ctxt is NULL: + raise MemoryError() + if self._add_default_attributes: + xmlschema.xmlSchemaSetValidOptions( + self._valid_ctxt, xmlschema.XML_SCHEMA_VAL_VC_I_CREATE) + if error_log is not None: + # Need a cast here because older libxml2 releases do not use 'const' in the functype. + xmlschema.xmlSchemaSetValidStructuredErrors( + self._valid_ctxt, _receiveError, error_log) + self._sax_plug = xmlschema.xmlSchemaSAXPlug( + self._valid_ctxt, &c_ctxt.sax, &c_ctxt.userData) + + cdef void disconnect(self) noexcept: + if self._sax_plug is not NULL: + xmlschema.xmlSchemaSAXUnplug(self._sax_plug) + self._sax_plug = NULL + if self._valid_ctxt is not NULL: + xmlschema.xmlSchemaSetValidStructuredErrors( + self._valid_ctxt, NULL, NULL) + + cdef bint isvalid(self) noexcept: + if self._valid_ctxt is NULL: + return 1 # valid + return xmlschema.xmlSchemaIsValid(self._valid_ctxt) diff --git a/.venv/lib/python3.12/site-packages/lxml/xpath.pxi b/.venv/lib/python3.12/site-packages/lxml/xpath.pxi new file mode 100644 index 0000000000000000000000000000000000000000..352f63134734780e5a9c869ccb59b4cb4e4ade40 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/xpath.pxi @@ -0,0 +1,487 @@ +# XPath evaluation + +class XPathSyntaxError(LxmlSyntaxError, XPathError): + pass + +################################################################################ +# XPath + +cdef object _XPATH_SYNTAX_ERRORS = ( + xmlerror.XML_XPATH_NUMBER_ERROR, + xmlerror.XML_XPATH_UNFINISHED_LITERAL_ERROR, + xmlerror.XML_XPATH_VARIABLE_REF_ERROR, + xmlerror.XML_XPATH_INVALID_PREDICATE_ERROR, + xmlerror.XML_XPATH_UNCLOSED_ERROR, + xmlerror.XML_XPATH_INVALID_CHAR_ERROR +) + +cdef object _XPATH_EVAL_ERRORS = ( + xmlerror.XML_XPATH_UNDEF_VARIABLE_ERROR, + xmlerror.XML_XPATH_UNDEF_PREFIX_ERROR, + xmlerror.XML_XPATH_UNKNOWN_FUNC_ERROR, + xmlerror.XML_XPATH_INVALID_OPERAND, + xmlerror.XML_XPATH_INVALID_TYPE, + xmlerror.XML_XPATH_INVALID_ARITY, + xmlerror.XML_XPATH_INVALID_CTXT_SIZE, + xmlerror.XML_XPATH_INVALID_CTXT_POSITION +) + +cdef int _register_xpath_function(void* ctxt, name_utf, ns_utf) noexcept: + if ns_utf is None: + return xpath.xmlXPathRegisterFunc( + ctxt, _xcstr(name_utf), + _xpath_function_call) + else: + return xpath.xmlXPathRegisterFuncNS( + ctxt, _xcstr(name_utf), _xcstr(ns_utf), + _xpath_function_call) + +cdef int _unregister_xpath_function(void* ctxt, name_utf, ns_utf) noexcept: + if ns_utf is None: + return xpath.xmlXPathRegisterFunc( + ctxt, _xcstr(name_utf), NULL) + else: + return xpath.xmlXPathRegisterFuncNS( + ctxt, _xcstr(name_utf), _xcstr(ns_utf), NULL) + + +@cython.final +@cython.internal +cdef class _XPathContext(_BaseContext): + cdef object _variables + def __init__(self, namespaces, extensions, error_log, enable_regexp, variables, + build_smart_strings): + self._variables = variables + _BaseContext.__init__(self, namespaces, extensions, error_log, enable_regexp, + build_smart_strings) + + cdef set_context(self, xpath.xmlXPathContext* xpathCtxt): + self._set_xpath_context(xpathCtxt) + # This would be a good place to set up the XPath parser dict, but + # we cannot use the current thread dict as we do not know which + # thread will execute the XPath evaluator - so, no dict for now. + self.registerLocalNamespaces() + self.registerLocalFunctions(xpathCtxt, _register_xpath_function) + + cdef register_context(self, _Document doc): + self._register_context(doc) + self.registerGlobalNamespaces() + self.registerGlobalFunctions(self._xpathCtxt, _register_xpath_function) + self.registerExsltFunctions() + if self._variables is not None: + self.registerVariables(self._variables) + + cdef unregister_context(self): + self.unregisterGlobalFunctions( + self._xpathCtxt, _unregister_xpath_function) + self.unregisterGlobalNamespaces() + xpath.xmlXPathRegisteredVariablesCleanup(self._xpathCtxt) + self._cleanup_context() + + cdef void registerExsltFunctions(self) noexcept: + if xslt.LIBXSLT_VERSION < 10125: + # we'd only execute dummy functions anyway + return + tree.xmlHashScan( + self._xpathCtxt.nsHash, _registerExsltFunctionsForNamespaces, + self._xpathCtxt) + + cdef registerVariables(self, variable_dict): + for name, value in variable_dict.items(): + name_utf = self._to_utf(name) + xpath.xmlXPathRegisterVariable( + self._xpathCtxt, _xcstr(name_utf), _wrapXPathObject(value, None, None)) + + cdef registerVariable(self, name, value): + name_utf = self._to_utf(name) + xpath.xmlXPathRegisterVariable( + self._xpathCtxt, _xcstr(name_utf), _wrapXPathObject(value, None, None)) + + +cdef void _registerExsltFunctionsForNamespaces( + void* _c_href, void* _ctxt, const_xmlChar* c_prefix) noexcept: + c_href = _c_href + ctxt = _ctxt + + if tree.xmlStrcmp(c_href, xslt.EXSLT_DATE_NAMESPACE) == 0: + xslt.exsltDateXpathCtxtRegister(ctxt, c_prefix) + elif tree.xmlStrcmp(c_href, xslt.EXSLT_SETS_NAMESPACE) == 0: + xslt.exsltSetsXpathCtxtRegister(ctxt, c_prefix) + elif tree.xmlStrcmp(c_href, xslt.EXSLT_MATH_NAMESPACE) == 0: + xslt.exsltMathXpathCtxtRegister(ctxt, c_prefix) + elif tree.xmlStrcmp(c_href, xslt.EXSLT_STRINGS_NAMESPACE) == 0: + xslt.exsltStrXpathCtxtRegister(ctxt, c_prefix) + + +cdef class _XPathEvaluatorBase: + cdef xpath.xmlXPathContext* _xpathCtxt + cdef _XPathContext _context + cdef python.PyThread_type_lock _eval_lock + cdef _ErrorLog _error_log + def __cinit__(self): + self._xpathCtxt = NULL + if config.ENABLE_THREADING: + self._eval_lock = python.PyThread_allocate_lock() + if self._eval_lock is NULL: + raise MemoryError() + self._error_log = _ErrorLog() + + def __init__(self, namespaces, extensions, enable_regexp, + smart_strings): + self._context = _XPathContext(namespaces, extensions, self._error_log, + enable_regexp, None, smart_strings) + + @property + def error_log(self): + assert self._error_log is not None, "XPath evaluator not initialised" + return self._error_log.copy() + + def __dealloc__(self): + if self._xpathCtxt is not NULL: + xpath.xmlXPathFreeContext(self._xpathCtxt) + if config.ENABLE_THREADING: + if self._eval_lock is not NULL: + python.PyThread_free_lock(self._eval_lock) + + cdef set_context(self, xpath.xmlXPathContext* xpathCtxt): + self._xpathCtxt = xpathCtxt + self._context.set_context(xpathCtxt) + + cdef bint _checkAbsolutePath(self, char* path) noexcept: + cdef char c + if path is NULL: + return 0 + c = path[0] + while c == c' ' or c == c'\t': + path = path + 1 + c = path[0] + return c == c'/' + + @cython.final + cdef int _lock(self) except -1: + cdef int result + if config.ENABLE_THREADING and self._eval_lock != NULL: + with nogil: + result = python.PyThread_acquire_lock( + self._eval_lock, python.WAIT_LOCK) + if result == 0: + raise XPathError, "XPath evaluator locking failed" + return 0 + + @cython.final + cdef void _unlock(self) noexcept: + if config.ENABLE_THREADING and self._eval_lock != NULL: + python.PyThread_release_lock(self._eval_lock) + + cdef _build_parse_error(self): + cdef _BaseErrorLog entries + entries = self._error_log.filter_types(_XPATH_SYNTAX_ERRORS) + if entries: + message = entries._buildExceptionMessage(None) + if message is not None: + return XPathSyntaxError(message, self._error_log) + return XPathSyntaxError( + self._error_log._buildExceptionMessage("Error in xpath expression"), + self._error_log) + + cdef _build_eval_error(self): + cdef _BaseErrorLog entries + entries = self._error_log.filter_types(_XPATH_EVAL_ERRORS) + if not entries: + entries = self._error_log.filter_types(_XPATH_SYNTAX_ERRORS) + if entries: + message = entries._buildExceptionMessage(None) + if message is not None: + return XPathEvalError(message, self._error_log) + return XPathEvalError( + self._error_log._buildExceptionMessage("Error in xpath expression"), + self._error_log) + + cdef object _handle_result(self, xpath.xmlXPathObject* xpathObj, _Document doc): + if self._context._exc._has_raised(): + if xpathObj is not NULL: + _freeXPathObject(xpathObj) + xpathObj = NULL + self._context._release_temp_refs() + self._context._exc._raise_if_stored() + + if xpathObj is NULL: + self._context._release_temp_refs() + raise self._build_eval_error() + + try: + result = _unwrapXPathObject(xpathObj, doc, self._context) + finally: + _freeXPathObject(xpathObj) + self._context._release_temp_refs() + + return result + + +cdef class XPathElementEvaluator(_XPathEvaluatorBase): + """XPathElementEvaluator(self, element, namespaces=None, extensions=None, regexp=True, smart_strings=True) + Create an XPath evaluator for an element. + + Absolute XPath expressions (starting with '/') will be evaluated against + the ElementTree as returned by getroottree(). + + Additional namespace declarations can be passed with the + 'namespace' keyword argument. EXSLT regular expression support + can be disabled with the 'regexp' boolean keyword (defaults to + True). Smart strings will be returned for string results unless + you pass ``smart_strings=False``. + """ + cdef _Element _element + def __init__(self, _Element element not None, *, namespaces=None, + extensions=None, regexp=True, smart_strings=True): + cdef xpath.xmlXPathContext* xpathCtxt + cdef int ns_register_status + cdef _Document doc + _assertValidNode(element) + _assertValidDoc(element._doc) + self._element = element + doc = element._doc + _XPathEvaluatorBase.__init__(self, namespaces, extensions, + regexp, smart_strings) + xpathCtxt = xpath.xmlXPathNewContext(doc._c_doc) + if xpathCtxt is NULL: + raise MemoryError() + self.set_context(xpathCtxt) + + def register_namespace(self, prefix, uri): + """Register a namespace with the XPath context. + """ + assert self._xpathCtxt is not NULL, "XPath context not initialised" + self._context.addNamespace(prefix, uri) + + def register_namespaces(self, namespaces): + """Register a prefix -> uri dict. + """ + assert self._xpathCtxt is not NULL, "XPath context not initialised" + for prefix, uri in namespaces.items(): + self._context.addNamespace(prefix, uri) + + def __call__(self, _path, **_variables): + """__call__(self, _path, **_variables) + + Evaluate an XPath expression on the document. + + Variables may be provided as keyword arguments. Note that namespaces + are currently not supported for variables. + + Absolute XPath expressions (starting with '/') will be evaluated + against the ElementTree as returned by getroottree(). + """ + cdef xpath.xmlXPathObject* xpathObj + cdef _Document doc + assert self._xpathCtxt is not NULL, "XPath context not initialised" + path = _utf8(_path) + doc = self._element._doc + + self._lock() + self._xpathCtxt.node = self._element._c_node + try: + self._context.register_context(doc) + self._context.registerVariables(_variables) + c_path = _xcstr(path) + with nogil: + xpathObj = xpath.xmlXPathEvalExpression( + c_path, self._xpathCtxt) + result = self._handle_result(xpathObj, doc) + finally: + self._context.unregister_context() + self._unlock() + + return result + + +cdef class XPathDocumentEvaluator(XPathElementEvaluator): + """XPathDocumentEvaluator(self, etree, namespaces=None, extensions=None, regexp=True, smart_strings=True) + Create an XPath evaluator for an ElementTree. + + Additional namespace declarations can be passed with the + 'namespace' keyword argument. EXSLT regular expression support + can be disabled with the 'regexp' boolean keyword (defaults to + True). Smart strings will be returned for string results unless + you pass ``smart_strings=False``. + """ + def __init__(self, _ElementTree etree not None, *, namespaces=None, + extensions=None, regexp=True, smart_strings=True): + XPathElementEvaluator.__init__( + self, etree._context_node, namespaces=namespaces, + extensions=extensions, regexp=regexp, + smart_strings=smart_strings) + + def __call__(self, _path, **_variables): + """__call__(self, _path, **_variables) + + Evaluate an XPath expression on the document. + + Variables may be provided as keyword arguments. Note that namespaces + are currently not supported for variables. + """ + cdef xpath.xmlXPathObject* xpathObj + cdef xmlDoc* c_doc + cdef _Document doc + assert self._xpathCtxt is not NULL, "XPath context not initialised" + path = _utf8(_path) + doc = self._element._doc + + self._lock() + try: + self._context.register_context(doc) + c_doc = _fakeRootDoc(doc._c_doc, self._element._c_node) + try: + self._context.registerVariables(_variables) + c_path = _xcstr(path) + with nogil: + self._xpathCtxt.doc = c_doc + self._xpathCtxt.node = tree.xmlDocGetRootElement(c_doc) + xpathObj = xpath.xmlXPathEvalExpression( + c_path, self._xpathCtxt) + result = self._handle_result(xpathObj, doc) + finally: + _destroyFakeDoc(doc._c_doc, c_doc) + self._context.unregister_context() + finally: + self._unlock() + + return result + + +def XPathEvaluator(etree_or_element, *, namespaces=None, extensions=None, + regexp=True, smart_strings=True): + """XPathEvaluator(etree_or_element, namespaces=None, extensions=None, regexp=True, smart_strings=True) + + Creates an XPath evaluator for an ElementTree or an Element. + + The resulting object can be called with an XPath expression as argument + and XPath variables provided as keyword arguments. + + Additional namespace declarations can be passed with the + 'namespace' keyword argument. EXSLT regular expression support + can be disabled with the 'regexp' boolean keyword (defaults to + True). Smart strings will be returned for string results unless + you pass ``smart_strings=False``. + """ + if isinstance(etree_or_element, _ElementTree): + return XPathDocumentEvaluator( + etree_or_element, namespaces=namespaces, + extensions=extensions, regexp=regexp, smart_strings=smart_strings) + else: + return XPathElementEvaluator( + etree_or_element, namespaces=namespaces, + extensions=extensions, regexp=regexp, smart_strings=smart_strings) + + +cdef class XPath(_XPathEvaluatorBase): + """XPath(self, path, namespaces=None, extensions=None, regexp=True, smart_strings=True) + A compiled XPath expression that can be called on Elements and ElementTrees. + + Besides the XPath expression, you can pass prefix-namespace + mappings and extension functions to the constructor through the + keyword arguments ``namespaces`` and ``extensions``. EXSLT + regular expression support can be disabled with the 'regexp' + boolean keyword (defaults to True). Smart strings will be + returned for string results unless you pass + ``smart_strings=False``. + """ + cdef xpath.xmlXPathCompExpr* _xpath + cdef bytes _path + def __cinit__(self): + self._xpath = NULL + + def __init__(self, path, *, namespaces=None, extensions=None, + regexp=True, smart_strings=True): + cdef xpath.xmlXPathContext* xpathCtxt + _XPathEvaluatorBase.__init__(self, namespaces, extensions, + regexp, smart_strings) + self._path = _utf8(path) + xpathCtxt = xpath.xmlXPathNewContext(NULL) + if xpathCtxt is NULL: + raise MemoryError() + self.set_context(xpathCtxt) + self._xpath = xpath.xmlXPathCtxtCompile(xpathCtxt, _xcstr(self._path)) + if self._xpath is NULL: + raise self._build_parse_error() + + def __call__(self, _etree_or_element, **_variables): + "__call__(self, _etree_or_element, **_variables)" + cdef xpath.xmlXPathObject* xpathObj + cdef _Document document + cdef _Element element + + assert self._xpathCtxt is not NULL, "XPath context not initialised" + document = _documentOrRaise(_etree_or_element) + element = _rootNodeOrRaise(_etree_or_element) + + self._lock() + self._xpathCtxt.doc = document._c_doc + self._xpathCtxt.node = element._c_node + + try: + self._context.register_context(document) + self._context.registerVariables(_variables) + with nogil: + xpathObj = xpath.xmlXPathCompiledEval( + self._xpath, self._xpathCtxt) + result = self._handle_result(xpathObj, document) + finally: + self._context.unregister_context() + self._unlock() + return result + + @property + def path(self): + """The literal XPath expression. + """ + return self._path.decode('UTF-8') + + def __dealloc__(self): + if self._xpath is not NULL: + xpath.xmlXPathFreeCompExpr(self._xpath) + + def __repr__(self): + return self.path + + +cdef object _replace_strings = re.compile(b'("[^"]*")|(\'[^\']*\')').sub +cdef object _find_namespaces = re.compile(b'({[^}]+})').findall + +cdef class ETXPath(XPath): + """ETXPath(self, path, extensions=None, regexp=True, smart_strings=True) + Special XPath class that supports the ElementTree {uri} notation for namespaces. + + Note that this class does not accept the ``namespace`` keyword + argument. All namespaces must be passed as part of the path + string. Smart strings will be returned for string results unless + you pass ``smart_strings=False``. + """ + def __init__(self, path, *, extensions=None, regexp=True, + smart_strings=True): + path, namespaces = self._nsextract_path(path) + XPath.__init__(self, path, namespaces=namespaces, + extensions=extensions, regexp=regexp, + smart_strings=smart_strings) + + cdef _nsextract_path(self, path): + # replace {namespaces} by new prefixes + cdef dict namespaces = {} + cdef list namespace_defs = [] + cdef int i + path_utf = _utf8(path) + stripped_path = _replace_strings(b'', path_utf) # remove string literals + i = 1 + for namespace_def in _find_namespaces(stripped_path): + if namespace_def not in namespace_defs: + prefix = python.PyBytes_FromFormat("__xpp%02d", i) + i += 1 + namespace_defs.append(namespace_def) + namespace = namespace_def[1:-1] # remove '{}' + namespace = (namespace).decode('utf8') + namespaces[prefix.decode('utf8')] = namespace + prefix_str = prefix + b':' + # FIXME: this also replaces {namespaces} within strings! + path_utf = path_utf.replace(namespace_def, prefix_str) + path = path_utf.decode('utf8') + return path, namespaces diff --git a/.venv/lib/python3.12/site-packages/lxml/xslt.pxi b/.venv/lib/python3.12/site-packages/lxml/xslt.pxi new file mode 100644 index 0000000000000000000000000000000000000000..e662bd8020387673c08afacc773d5221684c4e7f --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/xslt.pxi @@ -0,0 +1,964 @@ +# XSLT +from lxml.includes cimport xslt + + +cdef class XSLTError(LxmlError): + """Base class of all XSLT errors. + """ + +cdef class XSLTParseError(XSLTError): + """Error parsing a stylesheet document. + """ + +cdef class XSLTApplyError(XSLTError): + """Error running an XSL transformation. + """ + +class XSLTSaveError(XSLTError, SerialisationError): + """Error serialising an XSLT result. + """ + +cdef class XSLTExtensionError(XSLTError): + """Error registering an XSLT extension. + """ + + +# version information +LIBXSLT_COMPILED_VERSION = __unpackIntVersion(xslt.LIBXSLT_VERSION) +LIBXSLT_VERSION = __unpackIntVersion(xslt.xsltLibxsltVersion) + + +################################################################################ +# Where do we store what? +# +# xsltStylesheet->doc->_private +# == _XSLTResolverContext for XSL stylesheet +# +# xsltTransformContext->_private +# == _XSLTResolverContext for transformed document +# +################################################################################ + + +################################################################################ +# XSLT document loaders + +@cython.final +@cython.internal +cdef class _XSLTResolverContext(_ResolverContext): + cdef xmlDoc* _c_style_doc + cdef _BaseParser _parser + + @cython.final + cdef _XSLTResolverContext _copy(self): + cdef _XSLTResolverContext context + context = _XSLTResolverContext() + _initXSLTResolverContext(context, self._parser) + context._c_style_doc = self._c_style_doc + return context + + +cdef _initXSLTResolverContext(_XSLTResolverContext context, + _BaseParser parser): + _initResolverContext(context, parser.resolvers) + context._parser = parser + context._c_style_doc = NULL + +cdef xmlDoc* _xslt_resolve_from_python(const_xmlChar* c_uri, void* c_context, + int parse_options, int* error) noexcept with gil: + # call the Python document loaders + cdef _XSLTResolverContext context + cdef _ResolverRegistry resolvers + cdef _InputDocument doc_ref + cdef xmlDoc* c_doc + cdef xmlDoc* c_return_doc = NULL + + error[0] = 0 + context = <_XSLTResolverContext>c_context + + # shortcut if we resolve the stylesheet itself + c_doc = context._c_style_doc + try: + if c_doc is not NULL and c_doc.URL is not NULL: + if tree.xmlStrcmp(c_uri, c_doc.URL) == 0: + c_return_doc = _copyDoc(c_doc, 1) + return c_return_doc # 'goto', see 'finally' below + + # delegate to the Python resolvers + resolvers = context._resolvers + if tree.xmlStrncmp('string://__STRING__XSLT__/', c_uri, 26) == 0: + c_uri += 26 + uri = _decodeFilename(c_uri) + doc_ref = resolvers.resolve(uri, None, context) + + if doc_ref is not None: + if doc_ref._type == PARSER_DATA_STRING: + c_return_doc = _parseDoc( + doc_ref._data_bytes, doc_ref._filename, context._parser) + elif doc_ref._type == PARSER_DATA_FILENAME: + c_return_doc = _parseDocFromFile( + doc_ref._filename, context._parser) + elif doc_ref._type == PARSER_DATA_FILE: + c_return_doc = _parseDocFromFilelike( + doc_ref._file, doc_ref._filename, context._parser) + elif doc_ref._type == PARSER_DATA_EMPTY: + c_return_doc = _newXMLDoc() + if c_return_doc is not NULL and c_return_doc.URL is NULL: + c_return_doc.URL = tree.xmlStrdup(c_uri) + except: + error[0] = 1 + context._store_raised() + finally: + return c_return_doc # and swallow any further exceptions + + +cdef void _xslt_store_resolver_exception(const_xmlChar* c_uri, void* context, + xslt.xsltLoadType c_type) noexcept with gil: + try: + message = f"Cannot resolve URI {_decodeFilename(c_uri)}" + if c_type == xslt.XSLT_LOAD_DOCUMENT: + exception = XSLTApplyError(message) + else: + exception = XSLTParseError(message) + (<_XSLTResolverContext>context)._store_exception(exception) + except BaseException as e: + (<_XSLTResolverContext>context)._store_exception(e) + finally: + return # and swallow any further exceptions + + +cdef xmlDoc* _xslt_doc_loader(const_xmlChar* c_uri, tree.xmlDict* c_dict, + int parse_options, void* c_ctxt, + xslt.xsltLoadType c_type) noexcept nogil: + # nogil => no Python objects here, may be called without thread context ! + cdef xmlDoc* c_doc + cdef xmlDoc* result + cdef void* c_pcontext + cdef int error = 0 + # find resolver contexts of stylesheet and transformed doc + if c_type == xslt.XSLT_LOAD_DOCUMENT: + # transformation time + c_pcontext = (c_ctxt)._private + elif c_type == xslt.XSLT_LOAD_STYLESHEET: + # include/import resolution while parsing + c_pcontext = (c_ctxt).doc._private + else: + c_pcontext = NULL + + if c_pcontext is NULL: + # can't call Python without context, fall back to default loader + return XSLT_DOC_DEFAULT_LOADER( + c_uri, c_dict, parse_options, c_ctxt, c_type) + + c_doc = _xslt_resolve_from_python(c_uri, c_pcontext, parse_options, &error) + if c_doc is NULL and not error: + c_doc = XSLT_DOC_DEFAULT_LOADER( + c_uri, c_dict, parse_options, c_ctxt, c_type) + if c_doc is NULL: + _xslt_store_resolver_exception(c_uri, c_pcontext, c_type) + + if c_doc is not NULL and c_type == xslt.XSLT_LOAD_STYLESHEET: + c_doc._private = c_pcontext + return c_doc + +cdef xslt.xsltDocLoaderFunc XSLT_DOC_DEFAULT_LOADER = xslt.xsltDocDefaultLoader +xslt.xsltSetLoaderFunc(_xslt_doc_loader) + +################################################################################ +# XSLT file/network access control + +cdef class XSLTAccessControl: + """XSLTAccessControl(self, read_file=True, write_file=True, create_dir=True, read_network=True, write_network=True) + + Access control for XSLT: reading/writing files, directories and + network I/O. Access to a type of resource is granted or denied by + passing any of the following boolean keyword arguments. All of + them default to True to allow access. + + - read_file + - write_file + - create_dir + - read_network + - write_network + + For convenience, there is also a class member `DENY_ALL` that + provides an XSLTAccessControl instance that is readily configured + to deny everything, and a `DENY_WRITE` member that denies all + write access but allows read access. + + See `XSLT`. + """ + cdef xslt.xsltSecurityPrefs* _prefs + def __cinit__(self): + self._prefs = xslt.xsltNewSecurityPrefs() + if self._prefs is NULL: + raise MemoryError() + + def __init__(self, *, bint read_file=True, bint write_file=True, bint create_dir=True, + bint read_network=True, bint write_network=True): + self._setAccess(xslt.XSLT_SECPREF_READ_FILE, read_file) + self._setAccess(xslt.XSLT_SECPREF_WRITE_FILE, write_file) + self._setAccess(xslt.XSLT_SECPREF_CREATE_DIRECTORY, create_dir) + self._setAccess(xslt.XSLT_SECPREF_READ_NETWORK, read_network) + self._setAccess(xslt.XSLT_SECPREF_WRITE_NETWORK, write_network) + + DENY_ALL = XSLTAccessControl( + read_file=False, write_file=False, create_dir=False, + read_network=False, write_network=False) + + DENY_WRITE = XSLTAccessControl( + read_file=True, write_file=False, create_dir=False, + read_network=True, write_network=False) + + def __dealloc__(self): + if self._prefs is not NULL: + xslt.xsltFreeSecurityPrefs(self._prefs) + + @cython.final + cdef _setAccess(self, xslt.xsltSecurityOption option, bint allow): + cdef xslt.xsltSecurityCheck function + if allow: + function = xslt.xsltSecurityAllow + else: + function = xslt.xsltSecurityForbid + xslt.xsltSetSecurityPrefs(self._prefs, option, function) + + @cython.final + cdef void _register_in_context(self, xslt.xsltTransformContext* ctxt) noexcept: + xslt.xsltSetCtxtSecurityPrefs(self._prefs, ctxt) + + @property + def options(self): + """The access control configuration as a map of options.""" + return { + 'read_file': self._optval(xslt.XSLT_SECPREF_READ_FILE), + 'write_file': self._optval(xslt.XSLT_SECPREF_WRITE_FILE), + 'create_dir': self._optval(xslt.XSLT_SECPREF_CREATE_DIRECTORY), + 'read_network': self._optval(xslt.XSLT_SECPREF_READ_NETWORK), + 'write_network': self._optval(xslt.XSLT_SECPREF_WRITE_NETWORK), + } + + @cython.final + cdef _optval(self, xslt.xsltSecurityOption option): + cdef xslt.xsltSecurityCheck function + function = xslt.xsltGetSecurityPrefs(self._prefs, option) + if function is xslt.xsltSecurityAllow: + return True + elif function is xslt.xsltSecurityForbid: + return False + else: + return None + + def __repr__(self): + items = sorted(self.options.items()) + return "%s(%s)" % ( + python._fqtypename(self).decode('UTF-8').split('.')[-1], + ', '.join(["%s=%r" % item for item in items])) + +################################################################################ +# XSLT + +cdef int _register_xslt_function(void* ctxt, name_utf, ns_utf) noexcept: + if ns_utf is None: + return 0 + # libxml2 internalises the strings if ctxt has a dict + return xslt.xsltRegisterExtFunction( + ctxt, _xcstr(name_utf), _xcstr(ns_utf), + _xpath_function_call) + +cdef dict EMPTY_DICT = {} + +@cython.final +@cython.internal +cdef class _XSLTContext(_BaseContext): + cdef xslt.xsltTransformContext* _xsltCtxt + cdef _ReadOnlyElementProxy _extension_element_proxy + cdef dict _extension_elements + def __cinit__(self): + self._xsltCtxt = NULL + self._extension_elements = EMPTY_DICT + + def __init__(self, namespaces, extensions, error_log, enable_regexp, + build_smart_strings): + if extensions is not None and extensions: + for ns_name_tuple, extension in extensions.items(): + if ns_name_tuple[0] is None: + raise XSLTExtensionError, \ + "extensions must not have empty namespaces" + if isinstance(extension, XSLTExtension): + if self._extension_elements is EMPTY_DICT: + self._extension_elements = {} + extensions = extensions.copy() + ns_utf = _utf8(ns_name_tuple[0]) + name_utf = _utf8(ns_name_tuple[1]) + self._extension_elements[(ns_utf, name_utf)] = extension + del extensions[ns_name_tuple] + _BaseContext.__init__(self, namespaces, extensions, error_log, enable_regexp, + build_smart_strings) + + cdef _BaseContext _copy(self): + cdef _XSLTContext context + context = <_XSLTContext>_BaseContext._copy(self) + context._extension_elements = self._extension_elements + return context + + cdef register_context(self, xslt.xsltTransformContext* xsltCtxt, + _Document doc): + self._xsltCtxt = xsltCtxt + self._set_xpath_context(xsltCtxt.xpathCtxt) + self._register_context(doc) + self.registerLocalFunctions(xsltCtxt, _register_xslt_function) + self.registerGlobalFunctions(xsltCtxt, _register_xslt_function) + _registerXSLTExtensions(xsltCtxt, self._extension_elements) + + cdef free_context(self): + self._cleanup_context() + self._release_context() + if self._xsltCtxt is not NULL: + xslt.xsltFreeTransformContext(self._xsltCtxt) + self._xsltCtxt = NULL + self._release_temp_refs() + + +@cython.final +@cython.internal +@cython.freelist(8) +cdef class _XSLTQuotedStringParam: + """A wrapper class for literal XSLT string parameters that require + quote escaping. + """ + cdef bytes strval + def __cinit__(self, strval): + self.strval = _utf8(strval) + + +@cython.no_gc_clear +cdef class XSLT: + """XSLT(self, xslt_input, extensions=None, regexp=True, access_control=None) + + Turn an XSL document into an XSLT object. + + Calling this object on a tree or Element will execute the XSLT:: + + transform = etree.XSLT(xsl_tree) + result = transform(xml_tree) + + Keyword arguments of the constructor: + + - extensions: a dict mapping ``(namespace, name)`` pairs to + extension functions or extension elements + - regexp: enable exslt regular expression support in XPath + (default: True) + - access_control: access restrictions for network or file + system (see `XSLTAccessControl`) + + Keyword arguments of the XSLT call: + + - profile_run: enable XSLT profiling and make the profile available + as XML document in ``result.xslt_profile`` (default: False) + + Other keyword arguments of the call are passed to the stylesheet + as parameters. + """ + cdef _XSLTContext _context + cdef xslt.xsltStylesheet* _c_style + cdef _XSLTResolverContext _xslt_resolver_context + cdef XSLTAccessControl _access_control + cdef _ErrorLog _error_log + + def __cinit__(self): + self._c_style = NULL + + def __init__(self, xslt_input, *, extensions=None, regexp=True, + access_control=None): + cdef xslt.xsltStylesheet* c_style = NULL + cdef xmlDoc* c_doc + cdef _Document doc + cdef _Element root_node + + doc = _documentOrRaise(xslt_input) + root_node = _rootNodeOrRaise(xslt_input) + + # set access control or raise TypeError + self._access_control = access_control + + # make a copy of the document as stylesheet parsing modifies it + c_doc = _copyDocRoot(doc._c_doc, root_node._c_node) + + # make sure we always have a stylesheet URL + if c_doc.URL is NULL: + doc_url_utf = python.PyUnicode_AsASCIIString( + f"string://__STRING__XSLT__/{id(self)}.xslt") + c_doc.URL = tree.xmlStrdup(_xcstr(doc_url_utf)) + + self._error_log = _ErrorLog() + self._xslt_resolver_context = _XSLTResolverContext() + _initXSLTResolverContext(self._xslt_resolver_context, doc._parser) + # keep a copy in case we need to access the stylesheet via 'document()' + self._xslt_resolver_context._c_style_doc = _copyDoc(c_doc, 1) + c_doc._private = self._xslt_resolver_context + + with self._error_log: + orig_loader = _register_document_loader() + c_style = xslt.xsltParseStylesheetDoc(c_doc) + _reset_document_loader(orig_loader) + + if c_style is NULL or c_style.errors: + tree.xmlFreeDoc(c_doc) + if c_style is not NULL: + xslt.xsltFreeStylesheet(c_style) + self._xslt_resolver_context._raise_if_stored() + # last error seems to be the most accurate here + if self._error_log.last_error is not None and \ + self._error_log.last_error.message: + raise XSLTParseError(self._error_log.last_error.message, + self._error_log) + else: + raise XSLTParseError( + self._error_log._buildExceptionMessage( + "Cannot parse stylesheet"), + self._error_log) + + c_doc._private = NULL # no longer used! + self._c_style = c_style + self._context = _XSLTContext(None, extensions, self._error_log, regexp, True) + + def __dealloc__(self): + if self._xslt_resolver_context is not None and \ + self._xslt_resolver_context._c_style_doc is not NULL: + tree.xmlFreeDoc(self._xslt_resolver_context._c_style_doc) + # this cleans up the doc copy as well + if self._c_style is not NULL: + xslt.xsltFreeStylesheet(self._c_style) + + @property + def error_log(self): + """The log of errors and warnings of an XSLT execution.""" + return self._error_log.copy() + + @staticmethod + def strparam(strval): + """strparam(strval) + + Mark an XSLT string parameter that requires quote escaping + before passing it into the transformation. Use it like this:: + + result = transform(doc, some_strval = XSLT.strparam( + '''it's \"Monty Python's\" ...''')) + + Escaped string parameters can be reused without restriction. + """ + return _XSLTQuotedStringParam(strval) + + @staticmethod + def set_global_max_depth(int max_depth): + """set_global_max_depth(max_depth) + + The maximum traversal depth that the stylesheet engine will allow. + This does not only count the template recursion depth but also takes + the number of variables/parameters into account. The required setting + for a run depends on both the stylesheet and the input data. + + Example:: + + XSLT.set_global_max_depth(5000) + + Note that this is currently a global, module-wide setting because + libxslt does not support it at a per-stylesheet level. + """ + if max_depth < 0: + raise ValueError("cannot set a maximum stylesheet traversal depth < 0") + xslt.xsltMaxDepth = max_depth + + def tostring(self, _ElementTree result_tree): + """tostring(self, result_tree) + + Save result doc to string based on stylesheet output method. + + :deprecated: use str(result_tree) instead. + """ + return str(result_tree) + + def __deepcopy__(self, memo): + return self.__copy__() + + def __copy__(self): + return _copyXSLT(self) + + def __call__(self, _input, *, profile_run=False, **kw): + """__call__(self, _input, profile_run=False, **kw) + + Execute the XSL transformation on a tree or Element. + + Pass the ``profile_run`` option to get profile information + about the XSLT. The result of the XSLT will have a property + xslt_profile that holds an XML tree with profiling data. + """ + cdef _XSLTContext context = None + cdef _XSLTResolverContext resolver_context + cdef _Document input_doc + cdef _Element root_node + cdef _Document result_doc + cdef _Document profile_doc = None + cdef xmlDoc* c_profile_doc + cdef xslt.xsltTransformContext* transform_ctxt + cdef xmlDoc* c_result = NULL + cdef xmlDoc* c_doc + cdef tree.xmlDict* c_dict + cdef const_char** params = NULL + + assert self._c_style is not NULL, "XSLT stylesheet not initialised" + input_doc = _documentOrRaise(_input) + root_node = _rootNodeOrRaise(_input) + + c_doc = _fakeRootDoc(input_doc._c_doc, root_node._c_node) + + transform_ctxt = xslt.xsltNewTransformContext(self._c_style, c_doc) + if transform_ctxt is NULL: + _destroyFakeDoc(input_doc._c_doc, c_doc) + raise MemoryError() + + # using the stylesheet dict is safer than using a possibly + # unrelated dict from the current thread. Almost all + # non-input tag/attr names will come from the stylesheet + # anyway. + if transform_ctxt.dict is not NULL: + xmlparser.xmlDictFree(transform_ctxt.dict) + if kw: + # parameter values are stored in the dict + # => avoid unnecessarily cluttering the global dict + transform_ctxt.dict = xmlparser.xmlDictCreateSub(self._c_style.doc.dict) + if transform_ctxt.dict is NULL: + xslt.xsltFreeTransformContext(transform_ctxt) + raise MemoryError() + else: + transform_ctxt.dict = self._c_style.doc.dict + xmlparser.xmlDictReference(transform_ctxt.dict) + + xslt.xsltSetCtxtParseOptions( + transform_ctxt, input_doc._parser._parse_options) + + if profile_run: + transform_ctxt.profile = 1 + + try: + try: + context = self._context._copy() + except: + xslt.xsltFreeTransformContext(transform_ctxt) + raise + + context.register_context(transform_ctxt, input_doc) + + resolver_context = self._xslt_resolver_context._copy() + transform_ctxt._private = resolver_context + + _convert_xslt_parameters(transform_ctxt, kw, ¶ms) + c_result = self._run_transform( + c_doc, params, context, transform_ctxt) + + if transform_ctxt.state != xslt.XSLT_STATE_OK: + if c_result is not NULL: + tree.xmlFreeDoc(c_result) + c_result = NULL + + if transform_ctxt.profile: + c_profile_doc = xslt.xsltGetProfileInformation(transform_ctxt) + if c_profile_doc is not NULL: + profile_doc = _documentFactory( + c_profile_doc, input_doc._parser) + finally: + if params is not NULL: + # deallocate space for parameters + python.lxml_free(params) + if context is not None: + context.free_context() + _destroyFakeDoc(input_doc._c_doc, c_doc) + + try: + if resolver_context is not None and resolver_context._has_raised(): + if c_result is not NULL: + tree.xmlFreeDoc(c_result) + c_result = NULL + resolver_context._raise_if_stored() + + if context._exc._has_raised(): + if c_result is not NULL: + tree.xmlFreeDoc(c_result) + c_result = NULL + context._exc._raise_if_stored() + + if c_result is NULL: + # last error seems to be the most accurate here + error = self._error_log.last_error + if error is not None and error.message: + if error.line > 0: + message = f"{error.message}, line {error.line}" + else: + message = error.message + elif error is not None and error.line > 0: + message = f"Error applying stylesheet, line {error.line}" + else: + message = "Error applying stylesheet" + raise XSLTApplyError(message, self._error_log) + finally: + if resolver_context is not None: + resolver_context.clear() + + result_doc = _documentFactory(c_result, input_doc._parser) + + c_dict = c_result.dict + xmlparser.xmlDictReference(c_dict) + __GLOBAL_PARSER_CONTEXT.initThreadDictRef(&c_result.dict) + if c_dict is not c_result.dict or \ + self._c_style.doc.dict is not c_result.dict or \ + input_doc._c_doc.dict is not c_result.dict: + with nogil: + if c_dict is not c_result.dict: + fixThreadDictNames(c_result, + c_dict, c_result.dict) + if self._c_style.doc.dict is not c_result.dict: + fixThreadDictNames(c_result, + self._c_style.doc.dict, c_result.dict) + if input_doc._c_doc.dict is not c_result.dict: + fixThreadDictNames(c_result, + input_doc._c_doc.dict, c_result.dict) + xmlparser.xmlDictFree(c_dict) + + return _xsltResultTreeFactory(result_doc, self, profile_doc) + + cdef xmlDoc* _run_transform(self, xmlDoc* c_input_doc, + const_char** params, _XSLTContext context, + xslt.xsltTransformContext* transform_ctxt) except? NULL: + cdef xmlDoc* c_result + xslt.xsltSetTransformErrorFunc(transform_ctxt, self._error_log, + _receiveXSLTError) + if self._access_control is not None: + self._access_control._register_in_context(transform_ctxt) + with self._error_log, nogil: + orig_loader = _register_document_loader() + c_result = xslt.xsltApplyStylesheetUser( + self._c_style, c_input_doc, params, NULL, NULL, transform_ctxt) + _reset_document_loader(orig_loader) + return c_result + + +cdef _convert_xslt_parameters(xslt.xsltTransformContext* transform_ctxt, + dict parameters, const_char*** params_ptr): + cdef Py_ssize_t i, parameter_count + cdef const_char** params + cdef tree.xmlDict* c_dict = transform_ctxt.dict + params_ptr[0] = NULL + parameter_count = len(parameters) + if parameter_count == 0: + return + # allocate space for parameters + # * 2 as we want an entry for both key and value, + # and + 1 as array is NULL terminated + params = python.lxml_malloc(parameter_count * 2 + 1, sizeof(const_char*)) + if not params: + raise MemoryError() + try: + i = 0 + for key, value in parameters.iteritems(): + k = _utf8(key) + if isinstance(value, _XSLTQuotedStringParam): + v = (<_XSLTQuotedStringParam>value).strval + xslt.xsltQuoteOneUserParam( + transform_ctxt, _xcstr(k), _xcstr(v)) + else: + if isinstance(value, XPath): + v = (value)._path + else: + v = _utf8(value) + + c_len = len(k) + if c_len > limits.INT_MAX: + raise ValueError("Parameter name too long") + params[i] = tree.xmlDictLookup(c_dict, _xcstr(k), c_len) + i += 1 + c_len = len(v) + if c_len > limits.INT_MAX: + raise ValueError("Parameter value too long") + params[i] = tree.xmlDictLookup(c_dict, _xcstr(v), c_len) + i += 1 + except: + python.lxml_free(params) + raise + params[i] = NULL + params_ptr[0] = params + +cdef XSLT _copyXSLT(XSLT stylesheet): + cdef XSLT new_xslt + cdef xmlDoc* c_doc + assert stylesheet._c_style is not NULL, "XSLT stylesheet not initialised" + new_xslt = XSLT.__new__(XSLT) + new_xslt._access_control = stylesheet._access_control + new_xslt._error_log = _ErrorLog() + new_xslt._context = stylesheet._context._copy() + + new_xslt._xslt_resolver_context = stylesheet._xslt_resolver_context._copy() + new_xslt._xslt_resolver_context._c_style_doc = _copyDoc( + stylesheet._xslt_resolver_context._c_style_doc, 1) + + c_doc = _copyDoc(stylesheet._c_style.doc, 1) + new_xslt._c_style = xslt.xsltParseStylesheetDoc(c_doc) + if new_xslt._c_style is NULL: + tree.xmlFreeDoc(c_doc) + raise MemoryError() + + return new_xslt + +@cython.final +cdef class _XSLTResultTree(_ElementTree): + """The result of an XSLT evaluation. + + Use ``str()`` or ``bytes()`` (or ``unicode()`` in Python 2.x) to serialise to a string, + and the ``.write_output()`` method to write serialise to a file. + """ + cdef XSLT _xslt + cdef _Document _profile + cdef xmlChar* _buffer + cdef Py_ssize_t _buffer_len + cdef Py_ssize_t _buffer_refcnt + + def write_output(self, file, *, compression=0): + """write_output(self, file, *, compression=0) + + Serialise the XSLT output to a file or file-like object. + + As opposed to the generic ``.write()`` method, ``.write_output()`` serialises + the result as defined by the ```` tag. + """ + cdef _FilelikeWriter writer = None + cdef _Document doc + cdef int r, rclose, c_compression + cdef const_xmlChar* c_encoding = NULL + cdef tree.xmlOutputBuffer* c_buffer + + if self._context_node is not None: + doc = self._context_node._doc + else: + doc = None + if doc is None: + doc = self._doc + if doc is None: + raise XSLTSaveError("No document to serialise") + c_compression = compression or 0 + xslt.LXML_GET_XSLT_ENCODING(c_encoding, self._xslt._c_style) + writer = _create_output_buffer(file, c_encoding, c_compression, &c_buffer, close=False) + if writer is None: + with nogil: + r = xslt.xsltSaveResultTo(c_buffer, doc._c_doc, self._xslt._c_style) + rclose = tree.xmlOutputBufferClose(c_buffer) + else: + r = xslt.xsltSaveResultTo(c_buffer, doc._c_doc, self._xslt._c_style) + rclose = tree.xmlOutputBufferClose(c_buffer) + if writer is not None: + writer._exc_context._raise_if_stored() + if r < 0 or rclose == -1: + python.PyErr_SetFromErrno(IOError) # raises IOError + + cdef _saveToStringAndSize(self, xmlChar** s, int* l): + cdef _Document doc + cdef int r + if self._context_node is not None: + doc = self._context_node._doc + else: + doc = None + if doc is None: + doc = self._doc + if doc is None: + s[0] = NULL + return + with nogil: + r = xslt.xsltSaveResultToString(s, l, doc._c_doc, + self._xslt._c_style) + if r == -1: + raise MemoryError() + + def __str__(self): + cdef xmlChar* encoding + cdef xmlChar* s = NULL + cdef int l = 0 + self._saveToStringAndSize(&s, &l) + if s is NULL: + return '' + encoding = self._xslt._c_style.encoding + try: + if encoding is NULL: + result = s[:l].decode('UTF-8') + else: + result = s[:l].decode(encoding) + finally: + tree.xmlFree(s) + return _stripEncodingDeclaration(result) + + def __getbuffer__(self, Py_buffer* buffer, int flags): + cdef int l = 0 + if buffer is NULL: + return + if self._buffer is NULL or flags & python.PyBUF_WRITABLE: + self._saveToStringAndSize(&buffer.buf, &l) + buffer.len = l + if self._buffer is NULL and not flags & python.PyBUF_WRITABLE: + self._buffer = buffer.buf + self._buffer_len = l + self._buffer_refcnt = 1 + else: + buffer.buf = self._buffer + buffer.len = self._buffer_len + self._buffer_refcnt += 1 + if flags & python.PyBUF_WRITABLE: + buffer.readonly = 0 + else: + buffer.readonly = 1 + if flags & python.PyBUF_FORMAT: + buffer.format = "B" + else: + buffer.format = NULL + buffer.ndim = 0 + buffer.shape = NULL + buffer.strides = NULL + buffer.suboffsets = NULL + buffer.itemsize = 1 + buffer.internal = NULL + if buffer.obj is not self: # set by Cython? + buffer.obj = self + + def __releasebuffer__(self, Py_buffer* buffer): + if buffer is NULL: + return + if buffer.buf is self._buffer: + self._buffer_refcnt -= 1 + if self._buffer_refcnt == 0: + tree.xmlFree(self._buffer) + self._buffer = NULL + else: + tree.xmlFree(buffer.buf) + buffer.buf = NULL + + property xslt_profile: + """Return an ElementTree with profiling data for the stylesheet run. + """ + def __get__(self): + cdef object root + if self._profile is None: + return None + root = self._profile.getroot() + if root is None: + return None + return ElementTree(root) + + def __del__(self): + self._profile = None + +cdef _xsltResultTreeFactory(_Document doc, XSLT xslt, _Document profile): + cdef _XSLTResultTree result + result = <_XSLTResultTree>_newElementTree(doc, None, _XSLTResultTree) + result._xslt = xslt + result._profile = profile + return result + +# functions like "output" and "write" are a potential security risk, but we +# rely on the user to configure XSLTAccessControl as needed +xslt.xsltRegisterAllExtras() + +# enable EXSLT support for XSLT +xslt.exsltRegisterAll() + + +################################################################################ +# XSLT PI support + +cdef object _RE_PI_HREF = re.compile(r'\s+href\s*=\s*(?:\'([^\']*)\'|"([^"]*)")') +cdef object _FIND_PI_HREF = _RE_PI_HREF.findall +cdef object _REPLACE_PI_HREF = _RE_PI_HREF.sub +cdef XPath __findStylesheetByID = None + +cdef _findStylesheetByID(_Document doc, id): + global __findStylesheetByID + if __findStylesheetByID is None: + __findStylesheetByID = XPath( + "//xsl:stylesheet[@xml:id = $id]", + namespaces={"xsl" : "http://www.w3.org/1999/XSL/Transform"}) + return __findStylesheetByID(doc, id=id) + +cdef class _XSLTProcessingInstruction(PIBase): + def parseXSL(self, parser=None): + """parseXSL(self, parser=None) + + Try to parse the stylesheet referenced by this PI and return + an ElementTree for it. If the stylesheet is embedded in the + same document (referenced via xml:id), find and return an + ElementTree for the stylesheet Element. + + The optional ``parser`` keyword argument can be passed to specify the + parser used to read from external stylesheet URLs. + """ + cdef _Document result_doc + cdef _Element result_node + cdef bytes href_utf + cdef const_xmlChar* c_href + cdef xmlAttr* c_attr + _assertValidNode(self) + if self._c_node.content is NULL: + raise ValueError, "PI lacks content" + hrefs = _FIND_PI_HREF(' ' + (self._c_node.content).decode('UTF-8')) + if len(hrefs) != 1: + raise ValueError, "malformed PI attributes" + hrefs = hrefs[0] + href_utf = utf8(hrefs[0] or hrefs[1]) + c_href = _xcstr(href_utf) + + if c_href[0] != c'#': + # normal URL, try to parse from it + c_href = tree.xmlBuildURI( + c_href, + tree.xmlNodeGetBase(self._c_node.doc, self._c_node)) + if c_href is not NULL: + try: + href_utf = c_href + finally: + tree.xmlFree(c_href) + result_doc = _parseDocumentFromURL(href_utf, parser) + return _elementTreeFactory(result_doc, None) + + # ID reference to embedded stylesheet + # try XML:ID lookup + _assertValidDoc(self._doc) + c_href += 1 # skip leading '#' + c_attr = tree.xmlGetID(self._c_node.doc, c_href) + if c_attr is not NULL and c_attr.doc is self._c_node.doc: + result_node = _elementFactory(self._doc, c_attr.parent) + return _elementTreeFactory(result_node._doc, result_node) + + # try XPath search + root = _findStylesheetByID(self._doc, funicode(c_href)) + if not root: + raise ValueError, "reference to non-existing embedded stylesheet" + elif len(root) > 1: + raise ValueError, "ambiguous reference to embedded stylesheet" + result_node = root[0] + return _elementTreeFactory(result_node._doc, result_node) + + def set(self, key, value): + """set(self, key, value) + + Supports setting the 'href' pseudo-attribute in the text of + the processing instruction. + """ + if key != "href": + raise AttributeError, \ + "only setting the 'href' attribute is supported on XSLT-PIs" + if value is None: + attrib = "" + elif '"' in value or '>' in value: + raise ValueError, "Invalid URL, must not contain '\"' or '>'" + else: + attrib = f' href="{value}"' + text = ' ' + self.text + if _FIND_PI_HREF(text): + self.text = _REPLACE_PI_HREF(attrib, text) + else: + self.text = text + attrib diff --git a/.venv/lib/python3.12/site-packages/lxml/xsltext.pxi b/.venv/lib/python3.12/site-packages/lxml/xsltext.pxi new file mode 100644 index 0000000000000000000000000000000000000000..21894b9ef5859a455fd2f9f4443e805818b94517 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/lxml/xsltext.pxi @@ -0,0 +1,242 @@ +# XSLT extension elements + +cdef class XSLTExtension: + """Base class of an XSLT extension element. + """ + def execute(self, context, self_node, input_node, output_parent): + """execute(self, context, self_node, input_node, output_parent) + Execute this extension element. + + Subclasses must override this method. They may append + elements to the `output_parent` element here, or set its text + content. To this end, the `input_node` provides read-only + access to the current node in the input document, and the + `self_node` points to the extension element in the stylesheet. + + Note that the `output_parent` parameter may be `None` if there + is no parent element in the current context (e.g. no content + was added to the output tree yet). + """ + pass + + def apply_templates(self, _XSLTContext context not None, node, output_parent=None, + *, elements_only=False, remove_blank_text=False): + """apply_templates(self, context, node, output_parent=None, elements_only=False, remove_blank_text=False) + + Call this method to retrieve the result of applying templates + to an element. + + The return value is a list of elements or text strings that + were generated by the XSLT processor. If you pass + ``elements_only=True``, strings will be discarded from the result + list. The option ``remove_blank_text=True`` will only discard + strings that consist entirely of whitespace (e.g. formatting). + These options do not apply to Elements, only to bare string results. + + If you pass an Element as `output_parent` parameter, the result + will instead be appended to the element (including attributes + etc.) and the return value will be `None`. This is a safe way + to generate content into the output document directly, without + having to take care of special values like text or attributes. + Note that the string discarding options will be ignored in this + case. + """ + cdef xmlNode* c_parent + cdef xmlNode* c_node + cdef xmlNode* c_context_node + assert context._xsltCtxt is not NULL, "XSLT context not initialised" + c_context_node = _roNodeOf(node) + #assert c_context_node.doc is context._xsltContext.node.doc, \ + # "switching input documents during transformation is not currently supported" + + if output_parent is not None: + c_parent = _nonRoNodeOf(output_parent) + else: + c_parent = tree.xmlNewDocNode( + context._xsltCtxt.output, NULL, "fake-parent", NULL) + + c_node = context._xsltCtxt.insert + context._xsltCtxt.insert = c_parent + xslt.xsltProcessOneNode( + context._xsltCtxt, c_context_node, NULL) + context._xsltCtxt.insert = c_node + + if output_parent is not None: + return None + + try: + return self._collectXSLTResultContent( + context, c_parent, elements_only, remove_blank_text) + finally: + # free all intermediate nodes that will not be freed by proxies + tree.xmlFreeNode(c_parent) + + def process_children(self, _XSLTContext context not None, output_parent=None, + *, elements_only=False, remove_blank_text=False): + """process_children(self, context, output_parent=None, elements_only=False, remove_blank_text=False) + + Call this method to process the XSLT content of the extension + element itself. + + The return value is a list of elements or text strings that + were generated by the XSLT processor. If you pass + ``elements_only=True``, strings will be discarded from the result + list. The option ``remove_blank_text=True`` will only discard + strings that consist entirely of whitespace (e.g. formatting). + These options do not apply to Elements, only to bare string results. + + If you pass an Element as `output_parent` parameter, the result + will instead be appended to the element (including attributes + etc.) and the return value will be `None`. This is a safe way + to generate content into the output document directly, without + having to take care of special values like text or attributes. + Note that the string discarding options will be ignored in this + case. + """ + cdef xmlNode* c_parent + cdef xslt.xsltTransformContext* c_ctxt = context._xsltCtxt + cdef xmlNode* c_old_output_parent = c_ctxt.insert + assert context._xsltCtxt is not NULL, "XSLT context not initialised" + + # output_parent node is used for adding results instead of + # elements list used in apply_templates, that's easier and allows to + # use attributes added to extension element with . + + if output_parent is not None: + c_parent = _nonRoNodeOf(output_parent) + else: + c_parent = tree.xmlNewDocNode( + context._xsltCtxt.output, NULL, "fake-parent", NULL) + + c_ctxt.insert = c_parent + xslt.xsltApplyOneTemplate(c_ctxt, + c_ctxt.node, c_ctxt.inst.children, NULL, NULL) + c_ctxt.insert = c_old_output_parent + + if output_parent is not None: + return None + + try: + return self._collectXSLTResultContent( + context, c_parent, elements_only, remove_blank_text) + finally: + # free all intermediate nodes that will not be freed by proxies + tree.xmlFreeNode(c_parent) + + cdef _collectXSLTResultContent(self, _XSLTContext context, xmlNode* c_parent, + bint elements_only, bint remove_blank_text): + cdef xmlNode* c_node + cdef xmlNode* c_next + cdef _ReadOnlyProxy proxy + cdef list results = [] # or maybe _collectAttributes(c_parent, 2) ? + c_node = c_parent.children + while c_node is not NULL: + c_next = c_node.next + if c_node.type == tree.XML_TEXT_NODE: + if not elements_only: + s = funicode(c_node.content) + if not remove_blank_text or s.strip(): + results.append(s) + s = None + elif c_node.type == tree.XML_ELEMENT_NODE: + proxy = _newReadOnlyProxy( + context._extension_element_proxy, c_node) + results.append(proxy) + # unlink node and make sure it will be freed later on + tree.xmlUnlinkNode(c_node) + proxy.free_after_use() + else: + raise TypeError, \ + f"unsupported XSLT result type: {c_node.type}" + c_node = c_next + return results + + +cdef _registerXSLTExtensions(xslt.xsltTransformContext* c_ctxt, + extension_dict): + for ns_utf, name_utf in extension_dict: + xslt.xsltRegisterExtElement( + c_ctxt, _xcstr(name_utf), _xcstr(ns_utf), + _callExtensionElement) + +cdef void _callExtensionElement(xslt.xsltTransformContext* c_ctxt, + xmlNode* c_context_node, + xmlNode* c_inst_node, + void* dummy) noexcept with gil: + cdef _XSLTContext context + cdef XSLTExtension extension + cdef python.PyObject* dict_result + cdef xmlNode* c_node + cdef _ReadOnlyProxy context_node = None, self_node = None + cdef object output_parent # not restricted to ro-nodes + c_uri = _getNs(c_inst_node) + if c_uri is NULL: + # not allowed, and should never happen + return + if c_ctxt.xpathCtxt.userData is NULL: + # just for safety, should never happen + return + context = <_XSLTContext>c_ctxt.xpathCtxt.userData + try: + try: + dict_result = python.PyDict_GetItem( + context._extension_elements, (c_uri, c_inst_node.name)) + if dict_result is NULL: + raise KeyError, f"extension element {funicode(c_inst_node.name)} not found" + extension = dict_result + + try: + # build the context proxy nodes + self_node = _newReadOnlyProxy(None, c_inst_node) + if _isElement(c_ctxt.insert): + output_parent = _newAppendOnlyProxy(self_node, c_ctxt.insert) + else: + # may be the document node or other stuff + output_parent = _newOpaqueAppendOnlyNodeWrapper(c_ctxt.insert) + if c_context_node.type in (tree.XML_DOCUMENT_NODE, + tree.XML_HTML_DOCUMENT_NODE): + c_node = tree.xmlDocGetRootElement(c_context_node) + if c_node is not NULL: + context_node = _newReadOnlyProxy(self_node, c_node) + else: + context_node = None + elif c_context_node.type in (tree.XML_ATTRIBUTE_NODE, + tree.XML_TEXT_NODE, + tree.XML_CDATA_SECTION_NODE): + # this isn't easy to support using read-only + # nodes, as the smart-string factory must + # instantiate the parent proxy somehow... + raise TypeError(f"Unsupported element type: {c_context_node.type}") + else: + context_node = _newReadOnlyProxy(self_node, c_context_node) + + # run the XSLT extension + context._extension_element_proxy = self_node + extension.execute(context, self_node, context_node, output_parent) + finally: + context._extension_element_proxy = None + if self_node is not None: + _freeReadOnlyProxies(self_node) + except Exception as e: + try: + e = unicode(e).encode("UTF-8") + except: + e = repr(e).encode("UTF-8") + message = python.PyBytes_FromFormat( + "Error executing extension element '%s': %s", + c_inst_node.name, _cstr(e)) + xslt.xsltTransformError(c_ctxt, NULL, c_inst_node, "%s", message) + context._exc._store_raised() + except: + # just in case + message = python.PyBytes_FromFormat( + "Error executing extension element '%s'", c_inst_node.name) + xslt.xsltTransformError(c_ctxt, NULL, c_inst_node, "%s", message) + context._exc._store_raised() + except: + # no Python functions here - everything can fail... + xslt.xsltTransformError(c_ctxt, NULL, c_inst_node, + "Error during XSLT extension element evaluation") + context._exc._store_raised() + finally: + return # swallow any further exceptions diff --git a/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/INSTALLER b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/INSTALLER new file mode 100644 index 0000000000000000000000000000000000000000..a1b589e38a32041e49332e5e81c2d363dc418d68 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/INSTALLER @@ -0,0 +1 @@ +pip diff --git a/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/METADATA b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/METADATA new file mode 100644 index 0000000000000000000000000000000000000000..0282933652fda5b154bd36f91b14ca75fe9e0901 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/METADATA @@ -0,0 +1,74 @@ +Metadata-Version: 2.4 +Name: MarkupSafe +Version: 3.0.3 +Summary: Safely add untrusted strings to HTML/XML markup. +Maintainer-email: Pallets +License-Expression: BSD-3-Clause +Project-URL: Donate, https://palletsprojects.com/donate +Project-URL: Documentation, https://markupsafe.palletsprojects.com/ +Project-URL: Changes, https://markupsafe.palletsprojects.com/page/changes/ +Project-URL: Source, https://github.com/pallets/markupsafe/ +Project-URL: Chat, https://discord.gg/pallets +Classifier: Development Status :: 5 - Production/Stable +Classifier: Environment :: Web Environment +Classifier: Intended Audience :: Developers +Classifier: Operating System :: OS Independent +Classifier: Programming Language :: Python +Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content +Classifier: Topic :: Text Processing :: Markup :: HTML +Classifier: Typing :: Typed +Requires-Python: >=3.9 +Description-Content-Type: text/markdown +License-File: LICENSE.txt +Dynamic: license-file + +
+ +# MarkupSafe + +MarkupSafe implements a text object that escapes characters so it is +safe to use in HTML and XML. Characters that have special meanings are +replaced so that they display as the actual characters. This mitigates +injection attacks, meaning untrusted user input can safely be displayed +on a page. + + +## Examples + +```pycon +>>> from markupsafe import Markup, escape + +>>> # escape replaces special characters and wraps in Markup +>>> escape("") +Markup('<script>alert(document.cookie);</script>') + +>>> # wrap in Markup to mark text "safe" and prevent escaping +>>> Markup("Hello") +Markup('hello') + +>>> escape(Markup("Hello")) +Markup('hello') + +>>> # Markup is a str subclass +>>> # methods and operators escape their arguments +>>> template = Markup("Hello {name}") +>>> template.format(name='"World"') +Markup('Hello "World"') +``` + +## Donate + +The Pallets organization develops and supports MarkupSafe and other +popular packages. In order to grow the community of contributors and +users, and allow the maintainers to devote more time to the projects, +[please donate today][]. + +[please donate today]: https://palletsprojects.com/donate + +## Contributing + +See our [detailed contributing documentation][contrib] for many ways to +contribute, including reporting issues, requesting features, asking or answering +questions, and making PRs. + +[contrib]: https://palletsprojects.com/contributing/ diff --git a/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/RECORD b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/RECORD new file mode 100644 index 0000000000000000000000000000000000000000..8df476b897fab0d70a53919754ad0d117ffbc29f --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/RECORD @@ -0,0 +1,14 @@ +markupsafe-3.0.3.dist-info/INSTALLER,sha256=zuuue4knoyJ-UwPPXg8fezS7VCrXJQrAP7zeNuwvFQg,4 +markupsafe-3.0.3.dist-info/METADATA,sha256=ErTMYaf6KIz3Zn7j8hN4bZYZ21f7M_9vk0r7y1wS7IE,2690 +markupsafe-3.0.3.dist-info/RECORD,, +markupsafe-3.0.3.dist-info/WHEEL,sha256=DxRnWQz-Kp9-4a4hdDHsSv0KUC3H7sN9Nbef3-8RjXU,190 +markupsafe-3.0.3.dist-info/licenses/LICENSE.txt,sha256=SJqOEQhQntmKN7uYPhHg9-HTHwvY-Zp5yESOf_N9B-o,1475 +markupsafe-3.0.3.dist-info/top_level.txt,sha256=qy0Plje5IJuvsCBjejJyhDCjEAdcDLK_2agVcex8Z6U,11 +markupsafe/__init__.py,sha256=u1fLcNCx0P8E7LT6z3OXf6ipnSmgm6aefne5y-d7o40,13248 +markupsafe/__pycache__/__init__.cpython-312.pyc,, +markupsafe/__pycache__/_native.cpython-312.pyc,, +markupsafe/_native.py,sha256=hSLs8Jmz5aqayuengJJ3kdT5PwNpBWpKrmQSdipndC8,210 +markupsafe/_speedups.c,sha256=t3tC6oVV7-bmKUqvCO5pVSky-G8ACIXpWMaJwkNtJjg,4327 +markupsafe/_speedups.cpython-312-x86_64-linux-gnu.so,sha256=9KMd4HHFZZWQAtspvzbG-NNa55KfZHAK3uukb6T5Da8,44072 +markupsafe/_speedups.pyi,sha256=ENd1bYe7gbBUf2ywyYWOGUpnXOHNJ-cgTNqetlW8h5k,41 +markupsafe/py.typed,sha256=47DEQpj8HBSa-_TImW-5JCeuQeRkm5NMpJWZG3hSuFU,0 diff --git a/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/WHEEL b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/WHEEL new file mode 100644 index 0000000000000000000000000000000000000000..f3e8a970f16adf4526f1722547053522d94bf860 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/WHEEL @@ -0,0 +1,7 @@ +Wheel-Version: 1.0 +Generator: setuptools (80.9.0) +Root-Is-Purelib: false +Tag: cp312-cp312-manylinux_2_17_x86_64 +Tag: cp312-cp312-manylinux2014_x86_64 +Tag: cp312-cp312-manylinux_2_28_x86_64 + diff --git a/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/licenses/LICENSE.txt b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/licenses/LICENSE.txt new file mode 100644 index 0000000000000000000000000000000000000000..9d227a0cc43c3268d15722b763bd94ad298645a1 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/licenses/LICENSE.txt @@ -0,0 +1,28 @@ +Copyright 2010 Pallets + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + +3. Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/top_level.txt b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/top_level.txt new file mode 100644 index 0000000000000000000000000000000000000000..75bf729258f9daef77370b6df1a57940f90fc23f --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe-3.0.3.dist-info/top_level.txt @@ -0,0 +1 @@ +markupsafe diff --git a/.venv/lib/python3.12/site-packages/markupsafe/__init__.py b/.venv/lib/python3.12/site-packages/markupsafe/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..4c395d7ba6005500b71f8d9bea5fb4c3abe371d2 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe/__init__.py @@ -0,0 +1,396 @@ +from __future__ import annotations + +import collections.abc as cabc +import string +import typing as t + +try: + from ._speedups import _escape_inner +except ImportError: + from ._native import _escape_inner + +if t.TYPE_CHECKING: + import typing_extensions as te + + +class _HasHTML(t.Protocol): + def __html__(self, /) -> str: ... + + +class _TPEscape(t.Protocol): + def __call__(self, s: t.Any, /) -> Markup: ... + + +def escape(s: t.Any, /) -> Markup: + """Replace the characters ``&``, ``<``, ``>``, ``'``, and ``"`` in + the string with HTML-safe sequences. Use this if you need to display + text that might contain such characters in HTML. + + If the object has an ``__html__`` method, it is called and the + return value is assumed to already be safe for HTML. + + :param s: An object to be converted to a string and escaped. + :return: A :class:`Markup` string with the escaped text. + """ + # If the object is already a plain string, skip __html__ check and string + # conversion. This is the most common use case. + # Use type(s) instead of s.__class__ because a proxy object may be reporting + # the __class__ of the proxied value. + if type(s) is str: + return Markup(_escape_inner(s)) + + if hasattr(s, "__html__"): + return Markup(s.__html__()) + + return Markup(_escape_inner(str(s))) + + +def escape_silent(s: t.Any | None, /) -> Markup: + """Like :func:`escape` but treats ``None`` as the empty string. + Useful with optional values, as otherwise you get the string + ``'None'`` when the value is ``None``. + + >>> escape(None) + Markup('None') + >>> escape_silent(None) + Markup('') + """ + if s is None: + return Markup() + + return escape(s) + + +def soft_str(s: t.Any, /) -> str: + """Convert an object to a string if it isn't already. This preserves + a :class:`Markup` string rather than converting it back to a basic + string, so it will still be marked as safe and won't be escaped + again. + + >>> value = escape("") + >>> value + Markup('<User 1>') + >>> escape(str(value)) + Markup('&lt;User 1&gt;') + >>> escape(soft_str(value)) + Markup('<User 1>') + """ + if not isinstance(s, str): + return str(s) + + return s + + +class Markup(str): + """A string that is ready to be safely inserted into an HTML or XML + document, either because it was escaped or because it was marked + safe. + + Passing an object to the constructor converts it to text and wraps + it to mark it safe without escaping. To escape the text, use the + :meth:`escape` class method instead. + + >>> Markup("Hello, World!") + Markup('Hello, World!') + >>> Markup(42) + Markup('42') + >>> Markup.escape("Hello, World!") + Markup('Hello <em>World</em>!') + + This implements the ``__html__()`` interface that some frameworks + use. Passing an object that implements ``__html__()`` will wrap the + output of that method, marking it safe. + + >>> class Foo: + ... def __html__(self): + ... return 'foo' + ... + >>> Markup(Foo()) + Markup('foo') + + This is a subclass of :class:`str`. It has the same methods, but + escapes their arguments and returns a ``Markup`` instance. + + >>> Markup("%s") % ("foo & bar",) + Markup('foo & bar') + >>> Markup("Hello ") + "" + Markup('Hello <foo>') + """ + + __slots__ = () + + def __new__( + cls, object: t.Any = "", encoding: str | None = None, errors: str = "strict" + ) -> te.Self: + if hasattr(object, "__html__"): + object = object.__html__() + + if encoding is None: + return super().__new__(cls, object) + + return super().__new__(cls, object, encoding, errors) + + def __html__(self, /) -> te.Self: + return self + + def __add__(self, value: str | _HasHTML, /) -> te.Self: + if isinstance(value, str) or hasattr(value, "__html__"): + return self.__class__(super().__add__(self.escape(value))) + + return NotImplemented + + def __radd__(self, value: str | _HasHTML, /) -> te.Self: + if isinstance(value, str) or hasattr(value, "__html__"): + return self.escape(value).__add__(self) + + return NotImplemented + + def __mul__(self, value: t.SupportsIndex, /) -> te.Self: + return self.__class__(super().__mul__(value)) + + def __rmul__(self, value: t.SupportsIndex, /) -> te.Self: + return self.__class__(super().__mul__(value)) + + def __mod__(self, value: t.Any, /) -> te.Self: + if isinstance(value, tuple): + # a tuple of arguments, each wrapped + value = tuple(_MarkupEscapeHelper(x, self.escape) for x in value) + elif hasattr(type(value), "__getitem__") and not isinstance(value, str): + # a mapping of arguments, wrapped + value = _MarkupEscapeHelper(value, self.escape) + else: + # a single argument, wrapped with the helper and a tuple + value = (_MarkupEscapeHelper(value, self.escape),) + + return self.__class__(super().__mod__(value)) + + def __repr__(self, /) -> str: + return f"{self.__class__.__name__}({super().__repr__()})" + + def join(self, iterable: cabc.Iterable[str | _HasHTML], /) -> te.Self: + return self.__class__(super().join(map(self.escape, iterable))) + + def split( # type: ignore[override] + self, /, sep: str | None = None, maxsplit: t.SupportsIndex = -1 + ) -> list[te.Self]: + return [self.__class__(v) for v in super().split(sep, maxsplit)] + + def rsplit( # type: ignore[override] + self, /, sep: str | None = None, maxsplit: t.SupportsIndex = -1 + ) -> list[te.Self]: + return [self.__class__(v) for v in super().rsplit(sep, maxsplit)] + + def splitlines( # type: ignore[override] + self, /, keepends: bool = False + ) -> list[te.Self]: + return [self.__class__(v) for v in super().splitlines(keepends)] + + def unescape(self, /) -> str: + """Convert escaped markup back into a text string. This replaces + HTML entities with the characters they represent. + + >>> Markup("Main » About").unescape() + 'Main » About' + """ + from html import unescape + + return unescape(str(self)) + + def striptags(self, /) -> str: + """:meth:`unescape` the markup, remove tags, and normalize + whitespace to single spaces. + + >>> Markup("Main »\tAbout").striptags() + 'Main » About' + """ + value = str(self) + + # Look for comments then tags separately. Otherwise, a comment that + # contains a tag would end early, leaving some of the comment behind. + + # keep finding comment start marks + while (start := value.find("", start)) == -1: + break + + value = f"{value[:start]}{value[end + 3 :]}" + + # remove tags using the same method + while (start := value.find("<")) != -1: + if (end := value.find(">", start)) == -1: + break + + value = f"{value[:start]}{value[end + 1 :]}" + + # collapse spaces + value = " ".join(value.split()) + return self.__class__(value).unescape() + + @classmethod + def escape(cls, s: t.Any, /) -> te.Self: + """Escape a string. Calls :func:`escape` and ensures that for + subclasses the correct type is returned. + """ + rv = escape(s) + + if rv.__class__ is not cls: + return cls(rv) + + return rv # type: ignore[return-value] + + def __getitem__(self, key: t.SupportsIndex | slice, /) -> te.Self: + return self.__class__(super().__getitem__(key)) + + def capitalize(self, /) -> te.Self: + return self.__class__(super().capitalize()) + + def title(self, /) -> te.Self: + return self.__class__(super().title()) + + def lower(self, /) -> te.Self: + return self.__class__(super().lower()) + + def upper(self, /) -> te.Self: + return self.__class__(super().upper()) + + def replace(self, old: str, new: str, count: t.SupportsIndex = -1, /) -> te.Self: + return self.__class__(super().replace(old, self.escape(new), count)) + + def ljust(self, width: t.SupportsIndex, fillchar: str = " ", /) -> te.Self: + return self.__class__(super().ljust(width, self.escape(fillchar))) + + def rjust(self, width: t.SupportsIndex, fillchar: str = " ", /) -> te.Self: + return self.__class__(super().rjust(width, self.escape(fillchar))) + + def lstrip(self, chars: str | None = None, /) -> te.Self: + return self.__class__(super().lstrip(chars)) + + def rstrip(self, chars: str | None = None, /) -> te.Self: + return self.__class__(super().rstrip(chars)) + + def center(self, width: t.SupportsIndex, fillchar: str = " ", /) -> te.Self: + return self.__class__(super().center(width, self.escape(fillchar))) + + def strip(self, chars: str | None = None, /) -> te.Self: + return self.__class__(super().strip(chars)) + + def translate( + self, + table: cabc.Mapping[int, str | int | None], # type: ignore[override] + /, + ) -> str: + return self.__class__(super().translate(table)) + + def expandtabs(self, /, tabsize: t.SupportsIndex = 8) -> te.Self: + return self.__class__(super().expandtabs(tabsize)) + + def swapcase(self, /) -> te.Self: + return self.__class__(super().swapcase()) + + def zfill(self, width: t.SupportsIndex, /) -> te.Self: + return self.__class__(super().zfill(width)) + + def casefold(self, /) -> te.Self: + return self.__class__(super().casefold()) + + def removeprefix(self, prefix: str, /) -> te.Self: + return self.__class__(super().removeprefix(prefix)) + + def removesuffix(self, suffix: str) -> te.Self: + return self.__class__(super().removesuffix(suffix)) + + def partition(self, sep: str, /) -> tuple[te.Self, te.Self, te.Self]: + left, sep, right = super().partition(sep) + cls = self.__class__ + return cls(left), cls(sep), cls(right) + + def rpartition(self, sep: str, /) -> tuple[te.Self, te.Self, te.Self]: + left, sep, right = super().rpartition(sep) + cls = self.__class__ + return cls(left), cls(sep), cls(right) + + def format(self, *args: t.Any, **kwargs: t.Any) -> te.Self: + formatter = EscapeFormatter(self.escape) + return self.__class__(formatter.vformat(self, args, kwargs)) + + def format_map( + self, + mapping: cabc.Mapping[str, t.Any], # type: ignore[override] + /, + ) -> te.Self: + formatter = EscapeFormatter(self.escape) + return self.__class__(formatter.vformat(self, (), mapping)) + + def __html_format__(self, format_spec: str, /) -> te.Self: + if format_spec: + raise ValueError("Unsupported format specification for Markup.") + + return self + + +class EscapeFormatter(string.Formatter): + __slots__ = ("escape",) + + def __init__(self, escape: _TPEscape) -> None: + self.escape: _TPEscape = escape + super().__init__() + + def format_field(self, value: t.Any, format_spec: str) -> str: + if hasattr(value, "__html_format__"): + rv = value.__html_format__(format_spec) + elif hasattr(value, "__html__"): + if format_spec: + raise ValueError( + f"Format specifier {format_spec} given, but {type(value)} does not" + " define __html_format__. A class that defines __html__ must define" + " __html_format__ to work with format specifiers." + ) + rv = value.__html__() + else: + # We need to make sure the format spec is str here as + # otherwise the wrong callback methods are invoked. + rv = super().format_field(value, str(format_spec)) + return str(self.escape(rv)) + + +class _MarkupEscapeHelper: + """Helper for :meth:`Markup.__mod__`.""" + + __slots__ = ("obj", "escape") + + def __init__(self, obj: t.Any, escape: _TPEscape) -> None: + self.obj: t.Any = obj + self.escape: _TPEscape = escape + + def __getitem__(self, key: t.Any, /) -> te.Self: + return self.__class__(self.obj[key], self.escape) + + def __str__(self, /) -> str: + return str(self.escape(self.obj)) + + def __repr__(self, /) -> str: + return str(self.escape(repr(self.obj))) + + def __int__(self, /) -> int: + return int(self.obj) + + def __float__(self, /) -> float: + return float(self.obj) + + +def __getattr__(name: str) -> t.Any: + if name == "__version__": + import importlib.metadata + import warnings + + warnings.warn( + "The '__version__' attribute is deprecated and will be removed in" + " MarkupSafe 3.1. Use feature detection, or" + ' `importlib.metadata.version("markupsafe")`, instead.', + DeprecationWarning, + stacklevel=2, + ) + return importlib.metadata.version("markupsafe") + + raise AttributeError(name) diff --git a/.venv/lib/python3.12/site-packages/markupsafe/__pycache__/__init__.cpython-312.pyc b/.venv/lib/python3.12/site-packages/markupsafe/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..e04ff73ecff45951066c3452e0168f9555ffc5f6 Binary files /dev/null and b/.venv/lib/python3.12/site-packages/markupsafe/__pycache__/__init__.cpython-312.pyc differ diff --git a/.venv/lib/python3.12/site-packages/markupsafe/__pycache__/_native.cpython-312.pyc b/.venv/lib/python3.12/site-packages/markupsafe/__pycache__/_native.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..6ecf6fe9e21172f0df6e97c9232a55fd991a79d9 Binary files /dev/null and b/.venv/lib/python3.12/site-packages/markupsafe/__pycache__/_native.cpython-312.pyc differ diff --git a/.venv/lib/python3.12/site-packages/markupsafe/_native.py b/.venv/lib/python3.12/site-packages/markupsafe/_native.py new file mode 100644 index 0000000000000000000000000000000000000000..088b3bca9839ee489eefa546a0773a465b8cd0ca --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe/_native.py @@ -0,0 +1,8 @@ +def _escape_inner(s: str, /) -> str: + return ( + s.replace("&", "&") + .replace(">", ">") + .replace("<", "<") + .replace("'", "'") + .replace('"', """) + ) diff --git a/.venv/lib/python3.12/site-packages/markupsafe/_speedups.c b/.venv/lib/python3.12/site-packages/markupsafe/_speedups.c new file mode 100644 index 0000000000000000000000000000000000000000..8a315f23c52851b23525d205e392ee69e0a27f39 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe/_speedups.c @@ -0,0 +1,200 @@ +#include + +#define GET_DELTA(inp, inp_end, delta) \ + while (inp < inp_end) { \ + switch (*inp++) { \ + case '"': \ + case '\'': \ + case '&': \ + delta += 4; \ + break; \ + case '<': \ + case '>': \ + delta += 3; \ + break; \ + } \ + } + +#define DO_ESCAPE(inp, inp_end, outp) \ + { \ + Py_ssize_t ncopy = 0; \ + while (inp < inp_end) { \ + switch (*inp) { \ + case '"': \ + memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ + outp += ncopy; ncopy = 0; \ + *outp++ = '&'; \ + *outp++ = '#'; \ + *outp++ = '3'; \ + *outp++ = '4'; \ + *outp++ = ';'; \ + break; \ + case '\'': \ + memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ + outp += ncopy; ncopy = 0; \ + *outp++ = '&'; \ + *outp++ = '#'; \ + *outp++ = '3'; \ + *outp++ = '9'; \ + *outp++ = ';'; \ + break; \ + case '&': \ + memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ + outp += ncopy; ncopy = 0; \ + *outp++ = '&'; \ + *outp++ = 'a'; \ + *outp++ = 'm'; \ + *outp++ = 'p'; \ + *outp++ = ';'; \ + break; \ + case '<': \ + memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ + outp += ncopy; ncopy = 0; \ + *outp++ = '&'; \ + *outp++ = 'l'; \ + *outp++ = 't'; \ + *outp++ = ';'; \ + break; \ + case '>': \ + memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ + outp += ncopy; ncopy = 0; \ + *outp++ = '&'; \ + *outp++ = 'g'; \ + *outp++ = 't'; \ + *outp++ = ';'; \ + break; \ + default: \ + ncopy++; \ + } \ + inp++; \ + } \ + memcpy(outp, inp-ncopy, sizeof(*outp)*ncopy); \ + } + +static PyObject* +escape_unicode_kind1(PyUnicodeObject *in) +{ + Py_UCS1 *inp = PyUnicode_1BYTE_DATA(in); + Py_UCS1 *inp_end = inp + PyUnicode_GET_LENGTH(in); + Py_UCS1 *outp; + PyObject *out; + Py_ssize_t delta = 0; + + GET_DELTA(inp, inp_end, delta); + if (!delta) { + Py_INCREF(in); + return (PyObject*)in; + } + + out = PyUnicode_New(PyUnicode_GET_LENGTH(in) + delta, + PyUnicode_IS_ASCII(in) ? 127 : 255); + if (!out) + return NULL; + + inp = PyUnicode_1BYTE_DATA(in); + outp = PyUnicode_1BYTE_DATA(out); + DO_ESCAPE(inp, inp_end, outp); + return out; +} + +static PyObject* +escape_unicode_kind2(PyUnicodeObject *in) +{ + Py_UCS2 *inp = PyUnicode_2BYTE_DATA(in); + Py_UCS2 *inp_end = inp + PyUnicode_GET_LENGTH(in); + Py_UCS2 *outp; + PyObject *out; + Py_ssize_t delta = 0; + + GET_DELTA(inp, inp_end, delta); + if (!delta) { + Py_INCREF(in); + return (PyObject*)in; + } + + out = PyUnicode_New(PyUnicode_GET_LENGTH(in) + delta, 65535); + if (!out) + return NULL; + + inp = PyUnicode_2BYTE_DATA(in); + outp = PyUnicode_2BYTE_DATA(out); + DO_ESCAPE(inp, inp_end, outp); + return out; +} + + +static PyObject* +escape_unicode_kind4(PyUnicodeObject *in) +{ + Py_UCS4 *inp = PyUnicode_4BYTE_DATA(in); + Py_UCS4 *inp_end = inp + PyUnicode_GET_LENGTH(in); + Py_UCS4 *outp; + PyObject *out; + Py_ssize_t delta = 0; + + GET_DELTA(inp, inp_end, delta); + if (!delta) { + Py_INCREF(in); + return (PyObject*)in; + } + + out = PyUnicode_New(PyUnicode_GET_LENGTH(in) + delta, 1114111); + if (!out) + return NULL; + + inp = PyUnicode_4BYTE_DATA(in); + outp = PyUnicode_4BYTE_DATA(out); + DO_ESCAPE(inp, inp_end, outp); + return out; +} + +static PyObject* +escape_unicode(PyObject *self, PyObject *s) +{ + if (!PyUnicode_Check(s)) + return NULL; + + // This check is no longer needed in Python 3.12. + if (PyUnicode_READY(s)) + return NULL; + + switch (PyUnicode_KIND(s)) { + case PyUnicode_1BYTE_KIND: + return escape_unicode_kind1((PyUnicodeObject*) s); + case PyUnicode_2BYTE_KIND: + return escape_unicode_kind2((PyUnicodeObject*) s); + case PyUnicode_4BYTE_KIND: + return escape_unicode_kind4((PyUnicodeObject*) s); + } + assert(0); /* shouldn't happen */ + return NULL; +} + +static PyMethodDef module_methods[] = { + {"_escape_inner", (PyCFunction)escape_unicode, METH_O, NULL}, + {NULL, NULL, 0, NULL} /* Sentinel */ +}; + +static PyModuleDef_Slot module_slots[] = { +#ifdef Py_mod_multiple_interpreters // Python 3.12+ + {Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED}, +#endif +#ifdef Py_mod_gil // Python 3.13+ + {Py_mod_gil, Py_MOD_GIL_NOT_USED}, +#endif + {0, NULL} /* Sentinel */ +}; + +static struct PyModuleDef module_definition = { + .m_base = PyModuleDef_HEAD_INIT, + .m_name = "markupsafe._speedups", + .m_size = 0, + .m_methods = module_methods, + .m_slots = module_slots, +}; + +PyMODINIT_FUNC +PyInit__speedups(void) +{ + return PyModuleDef_Init(&module_definition); +} diff --git a/.venv/lib/python3.12/site-packages/markupsafe/_speedups.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/markupsafe/_speedups.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..6d4b8f955db81fddbfe4f90b3bad053bb2edbe83 Binary files /dev/null and b/.venv/lib/python3.12/site-packages/markupsafe/_speedups.cpython-312-x86_64-linux-gnu.so differ diff --git a/.venv/lib/python3.12/site-packages/markupsafe/_speedups.pyi b/.venv/lib/python3.12/site-packages/markupsafe/_speedups.pyi new file mode 100644 index 0000000000000000000000000000000000000000..8c8885852a26eba90d3ca1783beca535d4d43bb0 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/markupsafe/_speedups.pyi @@ -0,0 +1 @@ +def _escape_inner(s: str, /) -> str: ... diff --git a/.venv/lib/python3.12/site-packages/markupsafe/py.typed b/.venv/lib/python3.12/site-packages/markupsafe/py.typed new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/__init__.py b/.venv/lib/python3.12/site-packages/matplotlib/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..ae4710142e73210074625ea85f95e5fcc4181108 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/__init__.py @@ -0,0 +1,1585 @@ +""" +An object-oriented plotting library. + +A procedural interface is provided by the companion pyplot module, +which may be imported directly, e.g.:: + + import matplotlib.pyplot as plt + +or using ipython:: + + ipython + +at your terminal, followed by:: + + In [1]: %matplotlib + In [2]: import matplotlib.pyplot as plt + +at the ipython shell prompt. + +For the most part, direct use of the explicit object-oriented library is +encouraged when programming; the implicit pyplot interface is primarily for +working interactively. The exceptions to this suggestion are the pyplot +functions `.pyplot.figure`, `.pyplot.subplot`, `.pyplot.subplots`, and +`.pyplot.savefig`, which can greatly simplify scripting. See +:ref:`api_interfaces` for an explanation of the tradeoffs between the implicit +and explicit interfaces. + +Modules include: + +:mod:`matplotlib.axes` + The `~.axes.Axes` class. Most pyplot functions are wrappers for + `~.axes.Axes` methods. The axes module is the highest level of OO + access to the library. + +:mod:`matplotlib.figure` + The `.Figure` class. + +:mod:`matplotlib.artist` + The `.Artist` base class for all classes that draw things. + +:mod:`matplotlib.lines` + The `.Line2D` class for drawing lines and markers. + +:mod:`matplotlib.patches` + Classes for drawing polygons. + +:mod:`matplotlib.text` + The `.Text` and `.Annotation` classes. + +:mod:`matplotlib.image` + The `.AxesImage` and `.FigureImage` classes. + +:mod:`matplotlib.collections` + Classes for efficient drawing of groups of lines or polygons. + +:mod:`matplotlib.colors` + Color specifications and making colormaps. + +:mod:`matplotlib.cm` + Colormaps, and the `.ScalarMappable` mixin class for providing color + mapping functionality to other classes. + +:mod:`matplotlib.ticker` + Calculation of tick mark locations and formatting of tick labels. + +:mod:`matplotlib.backends` + A subpackage with modules for various GUI libraries and output formats. + +The base matplotlib namespace includes: + +`~matplotlib.rcParams` + Default configuration settings; their defaults may be overridden using + a :file:`matplotlibrc` file. + +`~matplotlib.use` + Setting the Matplotlib backend. This should be called before any + figure is created, because it is not possible to switch between + different GUI backends after that. + +The following environment variables can be used to customize the behavior: + +:envvar:`MPLBACKEND` + This optional variable can be set to choose the Matplotlib backend. See + :ref:`what-is-a-backend`. + +:envvar:`MPLCONFIGDIR` + This is the directory used to store user customizations to + Matplotlib, as well as some caches to improve performance. If + :envvar:`MPLCONFIGDIR` is not defined, :file:`{HOME}/.config/matplotlib` + and :file:`{HOME}/.cache/matplotlib` are used on Linux, and + :file:`{HOME}/.matplotlib` on other platforms, if they are + writable. Otherwise, the Python standard library's `tempfile.gettempdir` + is used to find a base directory in which the :file:`matplotlib` + subdirectory is created. + +Matplotlib was initially written by John D. Hunter (1968-2012) and is now +developed and maintained by a host of others. + +Occasionally the internal documentation (python docstrings) will refer +to MATLAB®, a registered trademark of The MathWorks, Inc. + +""" + +__all__ = [ + "__bibtex__", + "__version__", + "__version_info__", + "set_loglevel", + "ExecutableNotFoundError", + "get_configdir", + "get_cachedir", + "get_data_path", + "matplotlib_fname", + "MatplotlibDeprecationWarning", + "RcParams", + "rc_params", + "rc_params_from_file", + "rcParamsDefault", + "rcParams", + "rcParamsOrig", + "defaultParams", + "rc", + "rcdefaults", + "rc_file_defaults", + "rc_file", + "rc_context", + "use", + "get_backend", + "interactive", + "is_interactive", + "colormaps", + "multivar_colormaps", + "bivar_colormaps", + "color_sequences", +] + + +import atexit +from collections import namedtuple +from collections.abc import MutableMapping +import contextlib +import functools +import importlib +import inspect +from inspect import Parameter +import locale +import logging +import os +from pathlib import Path +import pprint +import re +import shutil +import subprocess +import sys +import tempfile + +from packaging.version import parse as parse_version + +# cbook must import matplotlib only within function +# definitions, so it is safe to import from it here. +from . import _api, _version, cbook, rcsetup +from matplotlib._api import MatplotlibDeprecationWarning +from matplotlib.colors import _color_sequences as color_sequences +from matplotlib.rcsetup import cycler # noqa: F401 + + +_log = logging.getLogger(__name__) + +__bibtex__ = r"""@Article{Hunter:2007, + Author = {Hunter, J. D.}, + Title = {Matplotlib: A 2D graphics environment}, + Journal = {Computing in Science \& Engineering}, + Volume = {9}, + Number = {3}, + Pages = {90--95}, + abstract = {Matplotlib is a 2D graphics package used for Python + for application development, interactive scripting, and + publication-quality image generation across user + interfaces and operating systems.}, + publisher = {IEEE COMPUTER SOC}, + year = 2007 +}""" + +# modelled after sys.version_info +_VersionInfo = namedtuple('_VersionInfo', + 'major, minor, micro, releaselevel, serial') + + +def _parse_to_version_info(version_str): + """ + Parse a version string to a namedtuple analogous to sys.version_info. + + See: + https://packaging.pypa.io/en/latest/version.html#packaging.version.parse + https://docs.python.org/3/library/sys.html#sys.version_info + """ + v = parse_version(version_str) + if v.pre is None and v.post is None and v.dev is None: + return _VersionInfo(v.major, v.minor, v.micro, 'final', 0) + elif v.dev is not None: + return _VersionInfo(v.major, v.minor, v.micro, 'alpha', v.dev) + elif v.pre is not None: + releaselevel = { + 'a': 'alpha', + 'b': 'beta', + 'rc': 'candidate'}.get(v.pre[0], 'alpha') + return _VersionInfo(v.major, v.minor, v.micro, releaselevel, v.pre[1]) + else: + # fallback for v.post: guess-next-dev scheme from setuptools_scm + return _VersionInfo(v.major, v.minor, v.micro + 1, 'alpha', v.post) + + +def _get_version(): + """Return the version string used for __version__.""" + # Only shell out to a git subprocess if really needed, i.e. when we are in + # a matplotlib git repo but not in a shallow clone, such as those used by + # CI, as the latter would trigger a warning from setuptools_scm. + root = Path(__file__).resolve().parents[2] + if ((root / ".matplotlib-repo").exists() + and (root / ".git").exists() + and not (root / ".git/shallow").exists()): + try: + import setuptools_scm + except ImportError: + pass + else: + return setuptools_scm.get_version( + root=root, + dist_name="matplotlib", + version_scheme="release-branch-semver", + local_scheme="node-and-date", + fallback_version=_version.version, + ) + # Get the version from the _version.py file if not in repo or setuptools_scm is + # unavailable. + return _version.version + + +@_api.caching_module_getattr +class __getattr__: + __version__ = property(lambda self: _get_version()) + __version_info__ = property( + lambda self: _parse_to_version_info(self.__version__)) + + +def _check_versions(): + + # Quickfix to ensure Microsoft Visual C++ redistributable + # DLLs are loaded before importing kiwisolver + from . import ft2font # noqa: F401 + + for modname, minver in [ + ("cycler", "0.10"), + ("dateutil", "2.7"), + ("kiwisolver", "1.3.1"), + ("numpy", "1.25"), + ("pyparsing", "2.3.1"), + ]: + module = importlib.import_module(modname) + if parse_version(module.__version__) < parse_version(minver): + raise ImportError(f"Matplotlib requires {modname}>={minver}; " + f"you have {module.__version__}") + + +_check_versions() + + +# The decorator ensures this always returns the same handler (and it is only +# attached once). +@functools.cache +def _ensure_handler(): + """ + The first time this function is called, attach a `StreamHandler` using the + same format as `logging.basicConfig` to the Matplotlib root logger. + + Return this handler every time this function is called. + """ + handler = logging.StreamHandler() + handler.setFormatter(logging.Formatter(logging.BASIC_FORMAT)) + _log.addHandler(handler) + return handler + + +def set_loglevel(level): + """ + Configure Matplotlib's logging levels. + + Matplotlib uses the standard library `logging` framework under the root + logger 'matplotlib'. This is a helper function to: + + - set Matplotlib's root logger level + - set the root logger handler's level, creating the handler + if it does not exist yet + + Typically, one should call ``set_loglevel("INFO")`` or + ``set_loglevel("DEBUG")`` to get additional debugging information. + + Users or applications that are installing their own logging handlers + may want to directly manipulate ``logging.getLogger('matplotlib')`` rather + than use this function. + + Parameters + ---------- + level : {"NOTSET", "DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"} + The log level as defined in `Python logging levels + `__. + + For backwards compatibility, the levels are case-insensitive, but + the capitalized version is preferred in analogy to `logging.Logger.setLevel`. + + Notes + ----- + The first time this function is called, an additional handler is attached + to Matplotlib's root handler; this handler is reused every time and this + function simply manipulates the logger and handler's level. + + """ + _log.setLevel(level.upper()) + _ensure_handler().setLevel(level.upper()) + + +def _logged_cached(fmt, func=None): + """ + Decorator that logs a function's return value, and memoizes that value. + + After :: + + @_logged_cached(fmt) + def func(): ... + + the first call to *func* will log its return value at the DEBUG level using + %-format string *fmt*, and memoize it; later calls to *func* will directly + return that value. + """ + if func is None: # Return the actual decorator. + return functools.partial(_logged_cached, fmt) + + called = False + ret = None + + @functools.wraps(func) + def wrapper(**kwargs): + nonlocal called, ret + if not called: + ret = func(**kwargs) + called = True + _log.debug(fmt, ret) + return ret + + return wrapper + + +_ExecInfo = namedtuple("_ExecInfo", "executable raw_version version") + + +class ExecutableNotFoundError(FileNotFoundError): + """ + Error raised when an executable that Matplotlib optionally + depends on can't be found. + """ + pass + + +@functools.cache +def _get_executable_info(name): + """ + Get the version of some executable that Matplotlib optionally depends on. + + .. warning:: + The list of executables that this function supports is set according to + Matplotlib's internal needs, and may change without notice. + + Parameters + ---------- + name : str + The executable to query. The following values are currently supported: + "dvipng", "gs", "inkscape", "magick", "pdftocairo", "pdftops". This + list is subject to change without notice. + + Returns + ------- + tuple + A namedtuple with fields ``executable`` (`str`) and ``version`` + (`packaging.Version`, or ``None`` if the version cannot be determined). + + Raises + ------ + ExecutableNotFoundError + If the executable is not found or older than the oldest version + supported by Matplotlib. For debugging purposes, it is also + possible to "hide" an executable from Matplotlib by adding it to the + :envvar:`_MPLHIDEEXECUTABLES` environment variable (a comma-separated + list), which must be set prior to any calls to this function. + ValueError + If the executable is not one that we know how to query. + """ + + def impl(args, regex, min_ver=None, ignore_exit_code=False): + # Execute the subprocess specified by args; capture stdout and stderr. + # Search for a regex match in the output; if the match succeeds, the + # first group of the match is the version. + # Return an _ExecInfo if the executable exists, and has a version of + # at least min_ver (if set); else, raise ExecutableNotFoundError. + try: + output = subprocess.check_output( + args, stderr=subprocess.STDOUT, + text=True, errors="replace", timeout=30) + except subprocess.CalledProcessError as _cpe: + if ignore_exit_code: + output = _cpe.output + else: + raise ExecutableNotFoundError(str(_cpe)) from _cpe + except subprocess.TimeoutExpired as _te: + msg = f"Timed out running {cbook._pformat_subprocess(args)}" + raise ExecutableNotFoundError(msg) from _te + except OSError as _ose: + raise ExecutableNotFoundError(str(_ose)) from _ose + match = re.search(regex, output) + if match: + raw_version = match.group(1) + version = parse_version(raw_version) + if min_ver is not None and version < parse_version(min_ver): + raise ExecutableNotFoundError( + f"You have {args[0]} version {version} but the minimum " + f"version supported by Matplotlib is {min_ver}") + return _ExecInfo(args[0], raw_version, version) + else: + raise ExecutableNotFoundError( + f"Failed to determine the version of {args[0]} from " + f"{' '.join(args)}, which output {output}") + + if name in os.environ.get("_MPLHIDEEXECUTABLES", "").split(","): + raise ExecutableNotFoundError(f"{name} was hidden") + + if name == "dvipng": + return impl(["dvipng", "-version"], "(?m)^dvipng(?: .*)? (.+)", "1.6") + elif name == "gs": + execs = (["gswin32c", "gswin64c", "mgs", "gs"] # "mgs" for miktex. + if sys.platform == "win32" else + ["gs"]) + for e in execs: + try: + return impl([e, "--version"], "(.*)", "9") + except ExecutableNotFoundError: + pass + message = "Failed to find a Ghostscript installation" + raise ExecutableNotFoundError(message) + elif name == "inkscape": + try: + # Try headless option first (needed for Inkscape version < 1.0): + return impl(["inkscape", "--without-gui", "-V"], + "Inkscape ([^ ]*)") + except ExecutableNotFoundError: + pass # Suppress exception chaining. + # If --without-gui is not accepted, we may be using Inkscape >= 1.0 so + # try without it: + return impl(["inkscape", "-V"], "Inkscape ([^ ]*)") + elif name == "magick": + if sys.platform == "win32": + # Check the registry to avoid confusing ImageMagick's convert with + # Windows's builtin convert.exe. + import winreg + binpath = "" + for flag in [0, winreg.KEY_WOW64_32KEY, winreg.KEY_WOW64_64KEY]: + try: + with winreg.OpenKeyEx( + winreg.HKEY_LOCAL_MACHINE, + r"Software\Imagemagick\Current", + 0, winreg.KEY_QUERY_VALUE | flag) as hkey: + binpath = winreg.QueryValueEx(hkey, "BinPath")[0] + except OSError: + pass + path = None + if binpath: + for name in ["convert.exe", "magick.exe"]: + candidate = Path(binpath, name) + if candidate.exists(): + path = str(candidate) + break + if path is None: + raise ExecutableNotFoundError( + "Failed to find an ImageMagick installation") + else: + path = "convert" + # Ignore deprecation warning for "convert" on IM>=7.1.1-33. + info = impl([path, "--version"], r"(?sm:.*^)Version: ImageMagick (\S*)") + if info.raw_version == "7.0.10-34": + # https://github.com/ImageMagick/ImageMagick/issues/2720 + raise ExecutableNotFoundError( + f"You have ImageMagick {info.version}, which is unsupported") + return info + elif name == "pdftocairo": + return impl(["pdftocairo", "-v"], "pdftocairo version (.*)") + elif name == "pdftops": + info = impl(["pdftops", "-v"], "^pdftops version (.*)", + ignore_exit_code=True) + if info and not ( + 3 <= info.version.major or + # poppler version numbers. + parse_version("0.9") <= info.version < parse_version("1.0")): + raise ExecutableNotFoundError( + f"You have pdftops version {info.version} but the minimum " + f"version supported by Matplotlib is 3.0") + return info + else: + raise ValueError(f"Unknown executable: {name!r}") + + +def _get_xdg_config_dir(): + """ + Return the XDG configuration directory, according to the XDG base + directory spec: + + https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html + """ + return os.environ.get('XDG_CONFIG_HOME') or str(Path.home() / ".config") + + +def _get_xdg_cache_dir(): + """ + Return the XDG cache directory, according to the XDG base directory spec: + + https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html + """ + return os.environ.get('XDG_CACHE_HOME') or str(Path.home() / ".cache") + + +def _get_config_or_cache_dir(xdg_base_getter): + configdir = os.environ.get('MPLCONFIGDIR') + if configdir: + configdir = Path(configdir) + elif sys.platform.startswith(('linux', 'freebsd')): + # Only call _xdg_base_getter here so that MPLCONFIGDIR is tried first, + # as _xdg_base_getter can throw. + try: + configdir = Path(xdg_base_getter(), "matplotlib") + except RuntimeError: # raised if Path.home() is not available + pass + elif sys.platform == 'win32': + # On Windows, prefer %LOCALAPPDATA%\matplotlib which is the proper + # location for non-roaming application data (cache and config). + # See: https://docs.microsoft.com/en-us/windows/apps/design/app-settings/store-and-retrieve-app-data + # + # However, for backwards compatibility, if the old location + # (%USERPROFILE%\.matplotlib) exists, continue using it so existing + # users don't lose their config. + try: + old_configdir = Path.home() / ".matplotlib" + if old_configdir.is_dir(): + configdir = old_configdir + else: + localappdata = os.environ.get('LOCALAPPDATA') + if localappdata: + configdir = Path(localappdata) / "matplotlib" + else: + configdir = old_configdir + except RuntimeError: # raised if Path.home() is not available + localappdata = os.environ.get('LOCALAPPDATA') + if localappdata: + configdir = Path(localappdata) / "matplotlib" + else: + try: + configdir = Path.home() / ".matplotlib" + except RuntimeError: # raised if Path.home() is not available + pass + + if configdir: + # Resolve the path to handle potential issues with inaccessible symlinks. + configdir = configdir.resolve() + try: + configdir.mkdir(parents=True, exist_ok=True) + except OSError as exc: + _log.warning("mkdir -p failed for path %s: %s", configdir, exc) + else: + if os.access(str(configdir), os.W_OK) and configdir.is_dir(): + return str(configdir) + _log.warning("%s is not a writable directory", configdir) + if os.environ.get('MPLCONFIGDIR'): + issue_msg = f"MPLCONFIGDIR ({configdir})" + else: + issue_msg = f"the default path ({configdir})" + else: + issue_msg = "resolving the home directory" + # If the config or cache directory cannot be created or is not a writable + # directory, create a temporary one. + try: + tmpdir = tempfile.mkdtemp(prefix="matplotlib-") + except OSError as exc: + raise OSError( + f"Matplotlib requires access to a writable cache directory, but there " + f"was an issue with {issue_msg}, and a temporary " + f"directory could not be created; set the MPLCONFIGDIR environment " + f"variable to a writable directory") from exc + os.environ["MPLCONFIGDIR"] = tmpdir + atexit.register(shutil.rmtree, tmpdir) + _log.warning( + "Matplotlib created a temporary cache directory at %s because there was " + "an issue with %s; it is highly recommended to set the " + "MPLCONFIGDIR environment variable to a writable directory, in particular to " + "speed up the import of Matplotlib and to better support multiprocessing.", + tmpdir, issue_msg) + return tmpdir + + +@_logged_cached('CONFIGDIR=%s') +def get_configdir(): + """ + Return the string path of the configuration directory. + + The directory is chosen as follows: + + 1. If the MPLCONFIGDIR environment variable is supplied, choose that. + 2. On Linux, follow the XDG specification and look first in + ``$XDG_CONFIG_HOME``, if defined, or ``$HOME/.config``. On Windows, + use ``%LOCALAPPDATA%\\matplotlib``. On other platforms, choose + ``$HOME/.matplotlib``. + 3. If the chosen directory exists and is writable, use that as the + configuration directory. + 4. Else, create a temporary directory, and use it as the configuration + directory. + """ + return _get_config_or_cache_dir(_get_xdg_config_dir) + + +@_logged_cached('CACHEDIR=%s') +def get_cachedir(): + """ + Return the string path of the cache directory. + + The procedure used to find the directory is the same as for + `get_configdir`, except using ``$XDG_CACHE_HOME``/``$HOME/.cache`` instead + on Linux. On Windows, uses ``%LOCALAPPDATA%\\matplotlib`` (same as config). + """ + return _get_config_or_cache_dir(_get_xdg_cache_dir) + + +@_logged_cached('matplotlib data path: %s') +def get_data_path(): + """Return the path to Matplotlib data.""" + return str(Path(__file__).with_name("mpl-data")) + + +def matplotlib_fname(): + """ + Get the location of the config file. + + The file location is determined in the following order + + - ``$PWD/matplotlibrc`` + - ``$MATPLOTLIBRC`` if it is not a directory + - ``$MATPLOTLIBRC/matplotlibrc`` + - ``$MPLCONFIGDIR/matplotlibrc`` + - On Linux, + - ``$XDG_CONFIG_HOME/matplotlib/matplotlibrc`` (if ``$XDG_CONFIG_HOME`` + is defined) + - or ``$HOME/.config/matplotlib/matplotlibrc`` (if ``$XDG_CONFIG_HOME`` + is not defined) + - On other platforms, + - ``$HOME/.matplotlib/matplotlibrc`` if ``$HOME`` is defined + - Lastly, it looks in ``$MATPLOTLIBDATA/matplotlibrc``, which should always + exist. + """ + + def gen_candidates(): + # rely on down-stream code to make absolute. This protects us + # from having to directly get the current working directory + # which can fail if the user has ended up with a cwd that is + # non-existent. + yield 'matplotlibrc' + try: + matplotlibrc = os.environ['MATPLOTLIBRC'] + except KeyError: + pass + else: + yield matplotlibrc + yield os.path.join(matplotlibrc, 'matplotlibrc') + yield os.path.join(get_configdir(), 'matplotlibrc') + yield os.path.join(get_data_path(), 'matplotlibrc') + + for fname in gen_candidates(): + if os.path.exists(fname) and not os.path.isdir(fname): + return fname + + raise RuntimeError("Could not find matplotlibrc file; your Matplotlib " + "install is broken") + + +class RcParams(MutableMapping, dict): + """ + A dict-like key-value store for config parameters, including validation. + + This is the data structure behind `matplotlib.rcParams`. + + The complete list of rcParams can be found in :doc:`/users/explain/configuration`. + """ + + validate = rcsetup._validators + + # validate values on the way in + def __init__(self, *args, **kwargs): + self.update(*args, **kwargs) + + def _set(self, key, val): + """ + Directly write data bypassing deprecation and validation logic. + + Notes + ----- + As end user or downstream library you almost always should use + ``rcParams[key] = val`` and not ``_set()``. + + There are only very few special cases that need direct data access. + These cases previously used ``dict.__setitem__(rcParams, key, val)``, + which is now deprecated and replaced by ``rcParams._set(key, val)``. + + Even though private, we guarantee API stability for ``rcParams._set``, + i.e. it is subject to Matplotlib's API and deprecation policy. + + :meta public: + """ + dict.__setitem__(self, key, val) + + def _get(self, key): + """ + Directly read data bypassing deprecation, backend and validation + logic. + + Notes + ----- + As end user or downstream library you almost always should use + ``val = rcParams[key]`` and not ``_get()``. + + There are only very few special cases that need direct data access. + These cases previously used ``dict.__getitem__(rcParams, key, val)``, + which is now deprecated and replaced by ``rcParams._get(key)``. + + Even though private, we guarantee API stability for ``rcParams._get``, + i.e. it is subject to Matplotlib's API and deprecation policy. + + :meta public: + """ + return dict.__getitem__(self, key) + + def _update_raw(self, other_params): + """ + Directly update the data from *other_params*, bypassing deprecation, + backend and validation logic on both sides. + + This ``rcParams._update_raw(params)`` replaces the previous pattern + ``dict.update(rcParams, params)``. + + Parameters + ---------- + other_params : dict or `.RcParams` + The input mapping from which to update. + """ + if isinstance(other_params, RcParams): + other_params = dict.items(other_params) + dict.update(self, other_params) + + def _ensure_has_backend(self): + """ + Ensure that a "backend" entry exists. + + Normally, the default matplotlibrc file contains *no* entry for "backend" (the + corresponding line starts with ##, not #; we fill in _auto_backend_sentinel + in that case. However, packagers can set a different default backend + (resulting in a normal `#backend: foo` line) in which case we should *not* + fill in _auto_backend_sentinel. + """ + dict.setdefault(self, "backend", rcsetup._auto_backend_sentinel) + + def __setitem__(self, key, val): + if (key == "backend" + and val is rcsetup._auto_backend_sentinel + and "backend" in self): + return + valid_key = _api.getitem_checked( + self.validate, rcParam=key, _error_cls=KeyError + ) + try: + cval = valid_key(val) + except ValueError as ve: + raise ValueError(f"Key {key}: {ve}") from None + if key in {"text.hinting_factor", "text.kerning_factor"} and cval is not None: + _api.warn_deprecated("3.11", name=key, obj_type="rcParam") + self._set(key, cval) + + def __getitem__(self, key): + # In theory, this should only ever be used after the global rcParams + # has been set up, but better be safe e.g. in presence of breakpoints. + if key == "backend" and self is globals().get("rcParams"): + val = self._get(key) + if val is rcsetup._auto_backend_sentinel: + from matplotlib import pyplot as plt + plt.switch_backend(rcsetup._auto_backend_sentinel) + return self._get(key) + + def _get_backend_or_none(self): + """Get the requested backend, if any, without triggering resolution.""" + backend = self._get("backend") + return None if backend is rcsetup._auto_backend_sentinel else backend + + def __repr__(self): + class_name = self.__class__.__name__ + indent = len(class_name) + 1 + with _api.suppress_matplotlib_deprecation_warning(): + repr_split = pprint.pformat(dict(self), indent=1, + width=80 - indent).split('\n') + repr_indented = ('\n' + ' ' * indent).join(repr_split) + return f'{class_name}({repr_indented})' + + def __str__(self): + return '\n'.join(map('{0[0]}: {0[1]}'.format, sorted(self.items()))) + + def __iter__(self): + """Yield sorted list of keys.""" + # Deprecation warnings are silenced to cover the case where some + # rcParams entries are being deprecated. + with _api.suppress_matplotlib_deprecation_warning(): + yield from sorted(dict.__iter__(self)) + + def __len__(self): + return dict.__len__(self) + + def find_all(self, pattern): + """ + Return the subset of this RcParams dictionary whose keys match, + using :func:`re.search`, the given ``pattern``. + + .. note:: + + Changes to the returned dictionary are *not* propagated to + the parent RcParams dictionary. + + """ + pattern_re = re.compile(pattern) + return self.__class__( + (key, value) for key, value in self.items() if pattern_re.search(key) + ) + + def copy(self): + """Copy this RcParams instance.""" + rccopy = self.__class__() + for k in self: # Skip deprecations and revalidation. + rccopy._set(k, self._get(k)) + return rccopy + + +def rc_params(fail_on_error=False): + """Construct a `RcParams` instance from the default Matplotlib rc file.""" + return rc_params_from_file(matplotlib_fname(), fail_on_error) + + +@functools.cache +def _get_ssl_context(): + try: + import certifi + except ImportError: + _log.debug("Could not import certifi.") + return None + import ssl + return ssl.create_default_context(cafile=certifi.where()) + + +@contextlib.contextmanager +def _open_file_or_url(fname): + if (isinstance(fname, str) + and fname.startswith(('http://', 'https://', 'ftp://', 'file:'))): + import urllib.request + ssl_ctx = _get_ssl_context() + if ssl_ctx is None: + _log.debug( + "Could not get certifi ssl context, https may not work." + ) + with urllib.request.urlopen(fname, context=ssl_ctx) as f: + yield (line.decode('utf-8') for line in f) + else: + fname = os.path.expanduser(fname) + with open(fname, encoding='utf-8') as f: + yield f + + +def _rc_params_in_file(fname, transform=lambda x: x, fail_on_error=False): + """ + Construct a `RcParams` instance from file *fname*. + + Unlike `rc_params_from_file`, the configuration class only contains the + parameters specified in the file (i.e. default values are not filled in). + + Parameters + ---------- + fname : path-like + The loaded file. + transform : callable, default: the identity function + A function called on each individual line of the file to transform it, + before further parsing. + fail_on_error : bool, default: False + Whether invalid entries should result in an exception or a warning. + """ + import matplotlib as mpl + rc_temp = {} + with _open_file_or_url(fname) as fd: + try: + for line_no, line in enumerate(fd, 1): + line = transform(line) + strippedline = cbook._strip_comment(line) + if not strippedline: + continue + tup = strippedline.split(':', 1) + if len(tup) != 2: + _log.warning('Missing colon in file %r, line %d (%r)', + fname, line_no, line.rstrip('\n')) + continue + key, val = tup + key = key.strip() + val = val.strip() + if val.startswith('"') and val.endswith('"'): + val = val[1:-1] # strip double quotes + if key in rc_temp: + _log.warning('Duplicate key in file %r, line %d (%r)', + fname, line_no, line.rstrip('\n')) + rc_temp[key] = (val, line, line_no) + except UnicodeDecodeError: + _log.warning('Cannot decode configuration file %r as utf-8.', + fname) + raise + + config = RcParams() + + for key, (val, line, line_no) in rc_temp.items(): + if key in rcsetup._validators: + if fail_on_error: + config[key] = val # try to convert to proper type or raise + else: + try: + config[key] = val # try to convert to proper type or skip + except Exception as msg: + _log.warning('Bad value in file %r, line %d (%r): %s', + fname, line_no, line.rstrip('\n'), msg) + else: + # __version__ must be looked up as an attribute to trigger the + # module-level __getattr__. + version = ('main' if '.post' in mpl.__version__ + else f'v{mpl.__version__}') + _log.warning(""" +Bad key %(key)s in file %(fname)s, line %(line_no)s (%(line)r) +You probably need to get an updated matplotlibrc file from +https://github.com/matplotlib/matplotlib/blob/%(version)s/lib/matplotlib/mpl-data/matplotlibrc +or from the matplotlib source distribution""", + dict(key=key, fname=fname, line_no=line_no, + line=line.rstrip('\n'), version=version)) + return config + + +def rc_params_from_file(fname, fail_on_error=False, use_default_template=True): + """ + Construct a `RcParams` from file *fname*. + + Parameters + ---------- + fname : str or path-like + A file with Matplotlib rc settings. + fail_on_error : bool + If True, raise an error when the parser fails to convert a parameter. + use_default_template : bool + If True, initialize with default parameters before updating with those + in the given file. If False, the configuration class only contains the + parameters specified in the file. (Useful for updating dicts.) + """ + config_from_file = _rc_params_in_file(fname, fail_on_error=fail_on_error) + + if not use_default_template: + return config_from_file + + with _api.suppress_matplotlib_deprecation_warning(): + config = RcParams({**rcParamsDefault, **config_from_file}) + + if "".join(config['text.latex.preamble']): + _log.info(""" +***************************************************************** +You have the following UNSUPPORTED LaTeX preamble customizations: +%s +Please do not ask for support with these customizations active. +***************************************************************** +""", '\n'.join(config['text.latex.preamble'])) + _log.debug('loaded rc file %s', fname) + + return config + + +rcParamsDefault = _rc_params_in_file( + cbook._get_data_path("matplotlibrc"), + # Strip leading comment. + transform=lambda line: line[1:] if line.startswith("#") else line, + fail_on_error=True) +rcParamsDefault._update_raw(rcsetup._hardcoded_defaults) +rcParamsDefault._ensure_has_backend() + +rcParams = RcParams() # The global instance. +rcParams._update_raw(rcParamsDefault) +rcParams._update_raw(_rc_params_in_file(matplotlib_fname())) +rcParamsOrig = rcParams.copy() +with _api.suppress_matplotlib_deprecation_warning(): + # This also checks that all rcParams are indeed listed in the template. + # Assigning to rcsetup.defaultParams is left only for backcompat. + defaultParams = rcsetup.defaultParams = { + # We want to resolve deprecated rcParams, but not backend... + key: [(rcsetup._auto_backend_sentinel if key == "backend" else + rcParamsDefault[key]), + validator] + for key, validator in rcsetup._validators.items()} +if rcParams['axes.formatter.use_locale']: + locale.setlocale(locale.LC_ALL, '') + + +def rc(group, **kwargs): + """ + Set the current `.rcParams`. *group* is the grouping for the rc, e.g., + for ``lines.linewidth`` the group is ``lines``, for + ``axes.facecolor``, the group is ``axes``, and so on. Group may + also be a list or tuple of group names, e.g., (*xtick*, *ytick*). + *kwargs* is a dictionary attribute name/value pairs, e.g.,:: + + rc('lines', linewidth=2, color='r') + + sets the current `.rcParams` and is equivalent to:: + + rcParams['lines.linewidth'] = 2 + rcParams['lines.color'] = 'r' + + The following aliases are available to save typing for interactive users: + + ====== ================= + Alias Property + ====== ================= + 'lw' 'linewidth' + 'ls' 'linestyle' + 'c' 'color' + 'fc' 'facecolor' + 'ec' 'edgecolor' + 'mew' 'markeredgewidth' + 'aa' 'antialiased' + 'sans' 'sans-serif' + ====== ================= + + Thus you could abbreviate the above call as:: + + rc('lines', lw=2, c='r') + + Note you can use python's kwargs dictionary facility to store + dictionaries of default parameters. e.g., you can customize the + font rc as follows:: + + font = {'family' : 'monospace', + 'weight' : 'bold', + 'size' : 'large'} + rc('font', **font) # pass in the font dict as kwargs + + This enables you to easily switch between several configurations. Use + ``matplotlib.style.use('default')`` or :func:`~matplotlib.rcdefaults` to + restore the default `.rcParams` after changes. + + Notes + ----- + Similar functionality is available by using the normal dict interface, i.e. + ``rcParams.update({"lines.linewidth": 2, ...})`` (but ``rcParams.update`` + does not support abbreviations or grouping). + """ + + aliases = { + 'lw': 'linewidth', + 'ls': 'linestyle', + 'c': 'color', + 'fc': 'facecolor', + 'ec': 'edgecolor', + 'mew': 'markeredgewidth', + 'aa': 'antialiased', + 'sans': 'sans-serif', + } + + if isinstance(group, str): + group = (group,) + for g in group: + for k, v in kwargs.items(): + name = aliases.get(k) or k + key = f'{g}.{name}' + try: + rcParams[key] = v + except KeyError as err: + raise KeyError(('Unrecognized key "%s" for group "%s" and ' + 'name "%s"') % (key, g, name)) from err + + +def rcdefaults(): + """ + Restore the `.rcParams` from Matplotlib's internal default style. + + Style-blacklisted `.rcParams` (defined in + ``matplotlib.style.core.STYLE_BLACKLIST``) are not updated. + + See Also + -------- + matplotlib.rc_file_defaults + Restore the `.rcParams` from the rc file originally loaded by + Matplotlib. + matplotlib.style.use + Use a specific style file. Call ``style.use('default')`` to restore + the default style. + """ + # Deprecation warnings were already handled when creating rcParamsDefault, + # no need to reemit them here. + with _api.suppress_matplotlib_deprecation_warning(): + from .style.core import STYLE_BLACKLIST + rcParams.clear() + rcParams.update({k: v for k, v in rcParamsDefault.items() + if k not in STYLE_BLACKLIST}) + + +def rc_file_defaults(): + """ + Restore the `.rcParams` from the original rc file loaded by Matplotlib. + + Style-blacklisted `.rcParams` (defined in + ``matplotlib.style.core.STYLE_BLACKLIST``) are not updated. + """ + # Deprecation warnings were already handled when creating rcParamsOrig, no + # need to reemit them here. + with _api.suppress_matplotlib_deprecation_warning(): + from .style.core import STYLE_BLACKLIST + rcParams.update({k: rcParamsOrig[k] for k in rcParamsOrig + if k not in STYLE_BLACKLIST}) + + +def rc_file(fname, *, use_default_template=True): + """ + Update `.rcParams` from file. + + Style-blacklisted `.rcParams` (defined in + ``matplotlib.style.core.STYLE_BLACKLIST``) are not updated. + + Parameters + ---------- + fname : str or path-like + A file with Matplotlib rc settings. + + use_default_template : bool + If True, initialize with default parameters before updating with those + in the given file. If False, the current configuration persists + and only the parameters specified in the file are updated. + """ + # Deprecation warnings were already handled in rc_params_from_file, no need + # to reemit them here. + with _api.suppress_matplotlib_deprecation_warning(): + from .style.core import STYLE_BLACKLIST + rc_from_file = rc_params_from_file( + fname, use_default_template=use_default_template) + rcParams.update({k: rc_from_file[k] for k in rc_from_file + if k not in STYLE_BLACKLIST}) + + +@contextlib.contextmanager +def rc_context(rc=None, fname=None): + """ + Return a context manager for temporarily changing rcParams. + + The :rc:`backend` will not be reset by the context manager. + + rcParams changed both through the context manager invocation and + in the body of the context will be reset on context exit. + + Parameters + ---------- + rc : dict + The rcParams to temporarily set. + fname : str or path-like + A file with Matplotlib rc settings. If both *fname* and *rc* are given, + settings from *rc* take precedence. + + See Also + -------- + :ref:`customizing-with-matplotlibrc-files` + + Examples + -------- + Passing explicit values via a dict:: + + with mpl.rc_context({'interactive': False}): + fig, ax = plt.subplots() + ax.plot(range(3), range(3)) + fig.savefig('example.png') + plt.close(fig) + + Loading settings from a file:: + + with mpl.rc_context(fname='print.rc'): + plt.plot(x, y) # uses 'print.rc' + + Setting in the context body:: + + with mpl.rc_context(): + # will be reset + mpl.rcParams['lines.linewidth'] = 5 + plt.plot(x, y) + + """ + orig = dict(rcParams.copy()) + del orig['backend'] + try: + if fname: + rc_file(fname) + if rc: + rcParams.update(rc) + yield + finally: + rcParams._update_raw(orig) # Revert to the original rcs. + + +def use(backend, *, force=True): + """ + Select the backend used for rendering and GUI integration. + + If pyplot is already imported, `~matplotlib.pyplot.switch_backend` is used + to switch the backend. + + Parameters + ---------- + backend : str + The backend to switch to. This can either be one of the standard + backend names, which are case-insensitive: + + - interactive backends: + GTK3Agg, GTK3Cairo, GTK4Agg, GTK4Cairo, MacOSX, nbAgg, notebook, QtAgg, + QtCairo, TkAgg, TkCairo, WebAgg, WX, WXAgg, WXCairo, Qt5Agg, Qt5Cairo + + - non-interactive backends: + agg, cairo, pdf, pgf, ps, svg, template + + or a string of the form: ``module://my.module.name``. + + notebook is a synonym for nbAgg. + + Switching to an interactive backend is not possible if an unrelated + event loop has already been started (e.g., switching to GTK3Agg if a + TkAgg window has already been opened). Switching to a non-interactive + backend is always possible. + + force : bool, default: True + If True (the default), raise an `ImportError` if the backend cannot be + set up (either because it fails to import, or because an incompatible + GUI interactive framework is already running); if False, silently + ignore the failure. + + See Also + -------- + :ref:`backends` + matplotlib.get_backend + matplotlib.pyplot.switch_backend + + """ + name = rcsetup.validate_backend(backend) + # don't (prematurely) resolve the "auto" backend setting + if rcParams._get_backend_or_none() == name: + # Nothing to do if the requested backend is already set + pass + else: + # if pyplot is not already imported, do not import it. Doing + # so may trigger a `plt.switch_backend` to the _default_ backend + # before we get a chance to change to the one the user just requested + plt = sys.modules.get('matplotlib.pyplot') + # if pyplot is imported, then try to change backends + if plt is not None: + try: + # we need this import check here to re-raise if the + # user does not have the libraries to support their + # chosen backend installed. + plt.switch_backend(name) + except ImportError: + if force: + raise + # if we have not imported pyplot, then we can set the rcParam + # value which will be respected when the user finally imports + # pyplot + else: + rcParams['backend'] = backend + # if the user has asked for a given backend, do not helpfully + # fallback + rcParams['backend_fallback'] = False + + +if os.environ.get('MPLBACKEND'): + rcParams['backend'] = os.environ.get('MPLBACKEND') + + +def get_backend(*, auto_select=True): + """ + Return the name of the current backend. + + Parameters + ---------- + auto_select : bool, default: True + Whether to trigger backend resolution if no backend has been + selected so far. If True, this ensures that a valid backend + is returned. If False, this returns None if no backend has been + selected so far. + + .. versionadded:: 3.10 + + .. admonition:: Provisional + + The *auto_select* flag is provisional. It may be changed or removed + without prior warning. + + See Also + -------- + matplotlib.use + """ + if auto_select: + return rcParams['backend'] + else: + backend = rcParams._get('backend') + if backend is rcsetup._auto_backend_sentinel: + return None + else: + return backend + + +def interactive(b): + """ + Set whether to redraw after every plotting command (e.g. `.pyplot.xlabel`). + """ + rcParams['interactive'] = b + + +def is_interactive(): + """ + Return whether to redraw after every plotting command. + + .. note:: + + This function is only intended for use in backends. End users should + use `.pyplot.isinteractive` instead. + """ + return rcParams['interactive'] + + +def _val_or_rc(val, *rc_names): + """ + If *val* is None, the first not-None value in ``mpl.rcParams[rc_names[i]]``. + If all are None returns ``mpl.rcParams[rc_names[-1]]``. + """ + if val is not None: + return val + + for rc_name in rc_names[:-1]: + if rcParams[rc_name] is not None: + return rcParams[rc_name] + return rcParams[rc_names[-1]] + + +def _init_tests(): + # The version of FreeType to install locally for running the tests. This must match + # the value in `subprojects/freetype2.wrap`. + LOCAL_FREETYPE_VERSION = '2.14.3' + + from matplotlib import ft2font + if (ft2font.__freetype_version__ != LOCAL_FREETYPE_VERSION or + ft2font.__freetype_build_type__ != 'local'): + _log.warning( + "Matplotlib is not built with the correct FreeType version to run tests. " + "Rebuild without setting system-freetype=true in Meson setup options. " + "Expect many image comparison failures below. " + "Expected freetype version %s. " + "Found freetype version %s. " + "Freetype build type is %slocal.", + LOCAL_FREETYPE_VERSION, + ft2font.__freetype_version__, + "" if ft2font.__freetype_build_type__ == 'local' else "not ") + + # Generate a shortcut for classic testing style. + from matplotlib.style import _base_library, library + _base_library['_classic_test'] = library['_classic_test'] = RcParams( + _base_library['classic'] | _base_library['_classic_test_patch']) + + +def _replacer(data, value): + """ + Either returns ``data[value]`` or passes ``data`` back, converting any + ``MappingView`` to a sequence. + """ + try: + # if key isn't a string don't bother + if isinstance(value, str): + # try to use __getitem__ + value = data[value] + except Exception: + # key does not exist, silently fall back to key + pass + return cbook.sanitize_sequence(value) + + +def _label_from_arg(y, default_name): + try: + return y.name + except AttributeError: + if isinstance(default_name, str): + return default_name + return None + + +def _add_data_doc(docstring, replace_names): + """ + Add documentation for a *data* field to the given docstring. + + Parameters + ---------- + docstring : str + The input docstring. + replace_names : list of str or None + The list of parameter names which arguments should be replaced by + ``data[name]`` (if ``data[name]`` does not throw an exception). If + None, replacement is attempted for all arguments. + + Returns + ------- + str + The augmented docstring. + """ + if (docstring is None + or replace_names is not None and len(replace_names) == 0): + return docstring + docstring = inspect.cleandoc(docstring) + + data_doc = ("""\ + If given, all parameters also accept a string ``s``, which is + interpreted as ``data[s]`` if ``s`` is a key in ``data``.""" + if replace_names is None else f"""\ + If given, the following parameters also accept a string ``s``, which is + interpreted as ``data[s]`` if ``s`` is a key in ``data``: + + {', '.join(map('*{}*'.format, replace_names))}""") + # using string replacement instead of formatting has the advantages + # 1) simpler indent handling + # 2) prevent problems with formatting characters '{', '%' in the docstring + if _log.level <= logging.DEBUG: + # test_data_parameter_replacement() tests against these log messages + # make sure to keep message and test in sync + if "data : indexable object, optional" not in docstring: + _log.debug("data parameter docstring error: no data parameter") + if 'DATA_PARAMETER_PLACEHOLDER' not in docstring: + _log.debug("data parameter docstring error: missing placeholder") + return docstring.replace(' DATA_PARAMETER_PLACEHOLDER', data_doc) + + +def _preprocess_data(func=None, *, replace_names=None, label_namer=None): + """ + A decorator to add a 'data' kwarg to a function. + + When applied:: + + @_preprocess_data() + def func(ax, *args, **kwargs): ... + + the signature is modified to ``decorated(ax, *args, data=None, **kwargs)`` + with the following behavior: + + - if called with ``data=None``, forward the other arguments to ``func``; + - otherwise, *data* must be a mapping; for any argument passed in as a + string ``name``, replace the argument by ``data[name]`` (if this does not + throw an exception), then forward the arguments to ``func``. + + In either case, any argument that is a `MappingView` is also converted to a + list. + + Parameters + ---------- + replace_names : list of str or None, default: None + The list of parameter names for which lookup into *data* should be + attempted. If None, replacement is attempted for all arguments. + label_namer : str, default: None + If set e.g. to "namer" (which must be a kwarg in the function's + signature -- not as ``**kwargs``), if the *namer* argument passed in is + a (string) key of *data* and no *label* kwarg is passed, then use the + (string) value of the *namer* as *label*. :: + + @_preprocess_data(label_namer="foo") + def func(foo, label=None): ... + + func("key", data={"key": value}) + # is equivalent to + func.__wrapped__(value, label="key") + """ + + if func is None: # Return the actual decorator. + return functools.partial( + _preprocess_data, + replace_names=replace_names, label_namer=label_namer) + + sig = inspect.signature(func) + varargs_name = None + varkwargs_name = None + arg_names = [] + params = list(sig.parameters.values()) + for p in params: + if p.kind is Parameter.VAR_POSITIONAL: + varargs_name = p.name + elif p.kind is Parameter.VAR_KEYWORD: + varkwargs_name = p.name + else: + arg_names.append(p.name) + data_param = Parameter("data", Parameter.KEYWORD_ONLY, default=None) + if varkwargs_name: + params.insert(-1, data_param) + else: + params.append(data_param) + new_sig = sig.replace(parameters=params) + arg_names = arg_names[1:] # remove the first "ax" / self arg + + assert {*arg_names}.issuperset(replace_names or []) or varkwargs_name, ( + "Matplotlib internal error: invalid replace_names " + f"({replace_names!r}) for {func.__name__!r}") + assert label_namer is None or label_namer in arg_names, ( + "Matplotlib internal error: invalid label_namer " + f"({label_namer!r}) for {func.__name__!r}") + + @functools.wraps(func) + def inner(ax, *args, data=None, **kwargs): + __tracebackhide__ = True + + if data is None: + return func( + ax, + *map(cbook.sanitize_sequence, args), + **{k: cbook.sanitize_sequence(v) for k, v in kwargs.items()}) + + bound = new_sig.bind(ax, *args, **kwargs) + auto_label = (bound.arguments.get(label_namer) + or bound.kwargs.get(label_namer)) + + for k, v in bound.arguments.items(): + if k == varkwargs_name: + for k1, v1 in v.items(): + if replace_names is None or k1 in replace_names: + v[k1] = _replacer(data, v1) + elif k == varargs_name: + if replace_names is None: + bound.arguments[k] = tuple(_replacer(data, v1) for v1 in v) + else: + if replace_names is None or k in replace_names: + bound.arguments[k] = _replacer(data, v) + + new_args = bound.args + new_kwargs = bound.kwargs + + args_and_kwargs = {**bound.arguments, **bound.kwargs} + if label_namer and "label" not in args_and_kwargs: + new_kwargs["label"] = _label_from_arg( + args_and_kwargs.get(label_namer), auto_label) + + return func(*new_args, **new_kwargs) + + inner.__doc__ = _add_data_doc(inner.__doc__, replace_names) + inner.__signature__ = new_sig + return inner + + +_log.debug('interactive is %s', is_interactive()) +_log.debug('platform is %s', sys.platform) + + +@_api.deprecated("3.10", alternative="matplotlib.cbook.sanitize_sequence") +def sanitize_sequence(data): + return cbook.sanitize_sequence(data) + + +@_api.deprecated("3.10", alternative="matplotlib.rcsetup.validate_backend") +def validate_backend(s): + return rcsetup.validate_backend(s) + + +# workaround: we must defer colormaps import to after loading rcParams, because +# colormap creation depends on rcParams +from matplotlib.cm import _colormaps as colormaps # noqa: E402 +from matplotlib.cm import _multivar_colormaps as multivar_colormaps # noqa: E402 +from matplotlib.cm import _bivar_colormaps as bivar_colormaps # noqa: E402 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/__init__.pyi b/.venv/lib/python3.12/site-packages/matplotlib/__init__.pyi new file mode 100644 index 0000000000000000000000000000000000000000..321c5a4b90b2fd6ec7434046f93d49879e3a7e3c --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/__init__.pyi @@ -0,0 +1,129 @@ +__all__ = [ + "__bibtex__", + "__version__", + "__version_info__", + "set_loglevel", + "ExecutableNotFoundError", + "get_configdir", + "get_cachedir", + "get_data_path", + "matplotlib_fname", + "MatplotlibDeprecationWarning", + "RcParams", + "rc_params", + "rc_params_from_file", + "rcParamsDefault", + "rcParams", + "rcParamsOrig", + "defaultParams", + "rc", + "rcdefaults", + "rc_file_defaults", + "rc_file", + "rc_context", + "use", + "get_backend", + "interactive", + "is_interactive", + "colormaps", + "multivar_colormaps", + "bivar_colormaps", + "color_sequences", +] + +import os +from pathlib import Path + +from collections.abc import Callable, Generator +import contextlib +from packaging.version import Version + +from matplotlib._api import MatplotlibDeprecationWarning +from matplotlib.typing import RcKeyType, RcGroupKeyType +from typing import Any, Literal, NamedTuple, overload +from matplotlib.typing import LogLevel + + +class _VersionInfo(NamedTuple): + major: int + minor: int + micro: int + releaselevel: str + serial: int + +__bibtex__: str +__version__: str +__version_info__: _VersionInfo + +def set_loglevel(level: LogLevel) -> None: ... + +class _ExecInfo(NamedTuple): + executable: str + raw_version: str + version: Version + +class ExecutableNotFoundError(FileNotFoundError): ... + +def _get_executable_info(name: str) -> _ExecInfo: ... +def get_configdir() -> str: ... +def get_cachedir() -> str: ... +def get_data_path() -> str: ... +def matplotlib_fname() -> str: ... + +class RcParams(dict[RcKeyType, Any]): + validate: dict[str, Callable] + def __init__(self, *args, **kwargs) -> None: ... + def _set(self, key: RcKeyType, val: Any) -> None: ... + def _get(self, key: RcKeyType) -> Any: ... + + def _update_raw(self, other_params: dict | RcParams) -> None: ... + + def _ensure_has_backend(self) -> None: ... + def __setitem__(self, key: RcKeyType, val: Any) -> None: ... + def __getitem__(self, key: RcKeyType) -> Any: ... + def __iter__(self) -> Generator[RcKeyType, None, None]: ... + def __len__(self) -> int: ... + def find_all(self, pattern: str) -> RcParams: ... + def copy(self) -> RcParams: ... + +def rc_params(fail_on_error: bool = ...) -> RcParams: ... +def rc_params_from_file( + fname: str | Path | os.PathLike, + fail_on_error: bool = ..., + use_default_template: bool = ..., +) -> RcParams: ... + +rcParamsDefault: RcParams +rcParams: RcParams +rcParamsOrig: RcParams +defaultParams: dict[RcKeyType, Any] + +def rc(group: RcGroupKeyType, **kwargs) -> None: ... +def rcdefaults() -> None: ... +def rc_file_defaults() -> None: ... +def rc_file( + fname: str | Path | os.PathLike, *, use_default_template: bool = ... +) -> None: ... +@contextlib.contextmanager +def rc_context( + rc: dict[RcKeyType, Any] | None = ..., fname: str | Path | os.PathLike | None = ... +) -> Generator[None, None, None]: ... +def use(backend: str, *, force: bool = ...) -> None: ... +@overload +def get_backend(*, auto_select: Literal[True] = True) -> str: ... +@overload +def get_backend(*, auto_select: Literal[False]) -> 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Metrics Files. + +Although a number of other Python implementations exist, and may be more +complete than this, it was decided not to go with them because they were +either: + +1) copyrighted or used a non-BSD compatible license +2) had too many dependencies and a free standing lib was needed +3) did more than needed and it was easier to write afresh rather than + figure out how to get just what was needed. + +It is pretty easy to use, and has no external dependencies: + +>>> import matplotlib as mpl +>>> from pathlib import Path +>>> afm_path = Path(mpl.get_data_path(), 'fonts', 'afm', 'ptmr8a.afm') +>>> +>>> from matplotlib._afm import AFM +>>> with afm_path.open('rb') as fh: +... afm = AFM(fh) +>>> afm.get_fontname() +'Times-Roman' + +As in the Adobe Font Metrics File Format Specification, all dimensions +are given in units of 1/1000 of the scale factor (point size) of the font +being used. +""" + +import inspect +import logging +import re +from typing import BinaryIO, NamedTuple, TypedDict, cast + +from ._mathtext_data import uni2type1 +from .ft2font import CharacterCodeType, GlyphIndexType + + +_log = logging.getLogger(__name__) + + +def _to_int(x: bytes | str) -> int: + # Some AFM files have floats where we are expecting ints -- there is + # probably a better way to handle this (support floats, round rather than + # truncate). But I don't know what the best approach is now and this + # change to _to_int should at least prevent Matplotlib from crashing on + # these. JDH (2009-11-06) + return int(float(x)) + + +def _to_float(x: bytes | str) -> float: + # Some AFM files use "," instead of "." as decimal separator -- this + # shouldn't be ambiguous (unless someone is wicked enough to use "," as + # thousands separator...). + if isinstance(x, bytes): + # Encoding doesn't really matter -- if we have codepoints >127 the call + # to float() will error anyways. + x = x.decode('latin-1') + return float(x.replace(',', '.')) + + +def _to_str(x: bytes) -> str: + return x.decode('utf8') + + +def _to_list_of_ints(s: bytes) -> list[int]: + s = s.replace(b',', b' ') + return [_to_int(val) for val in s.split()] + + +def _to_list_of_floats(s: bytes | str) -> list[float]: + return [_to_float(val) for val in s.split()] + + +def _to_bool(s: bytes) -> bool: + if s.lower().strip() in (b'false', b'0', b'no'): + return False + else: + return True + + +class FontMetricsHeader(TypedDict, total=False): + StartFontMetrics: float + FontName: str + FullName: str + FamilyName: str + Weight: str + ItalicAngle: float + IsFixedPitch: bool + FontBBox: list[int] + UnderlinePosition: float + UnderlineThickness: float + Version: str + # Some AFM files have non-ASCII characters (which are not allowed by the spec). + # Given that there is actually no public API to even access this field, just return + # it as straight bytes. + Notice: bytes + EncodingScheme: str + CapHeight: float # Is the second version a mistake, or + Capheight: float # do some AFM files contain 'Capheight'? -JKS + XHeight: float + Ascender: float + Descender: float + StdHW: float + StdVW: float + StartCharMetrics: int + CharacterSet: str + Characters: int + + +def _parse_header(fh: BinaryIO) -> FontMetricsHeader: + """ + Read the font metrics header (up to the char metrics). + + Returns + ------- + dict + A dictionary mapping *key* to *val*. Dictionary keys are: + + StartFontMetrics, FontName, FullName, FamilyName, Weight, ItalicAngle, + IsFixedPitch, FontBBox, UnderlinePosition, UnderlineThickness, Version, + Notice, EncodingScheme, CapHeight, XHeight, Ascender, Descender, + StartCharMetrics + + *val* will be converted to the appropriate Python type as necessary, e.g.,: + + * 'False' -> False + * '0' -> 0 + * '-168 -218 1000 898' -> [-168, -218, 1000, 898] + """ + header_converters = { + bool: _to_bool, + bytes: lambda x: x, + float: _to_float, + int: _to_int, + list[int]: _to_list_of_ints, + str: _to_str, + } + header_value_types = inspect.get_annotations(FontMetricsHeader) + d: FontMetricsHeader = {} + first_line = True + for line in fh: + line = line.rstrip() + if line.startswith(b'Comment'): + continue + lst = line.split(b' ', 1) + key = lst[0] + if first_line: + # AFM spec, Section 4: The StartFontMetrics keyword + # [followed by a version number] must be the first line in + # the file, and the EndFontMetrics keyword must be the + # last non-empty line in the file. We just check the + # first header entry. + if key != b'StartFontMetrics': + raise RuntimeError('Not an AFM file') + first_line = False + if len(lst) == 2: + val = lst[1] + else: + val = b'' + try: + key_str = _to_str(key) + value_type = header_value_types[key_str] + except (KeyError, UnicodeDecodeError): + _log.error("Found an unknown keyword in AFM header (was %r)", key) + continue + try: + converter = header_converters[value_type] + d[key_str] = converter(val) # type: ignore[literal-required] + except ValueError: + _log.error('Value error parsing header in AFM: %r, %r', key, val) + continue + if key == b'StartCharMetrics': + break + else: + raise RuntimeError('Bad parse') + return d + + +class CharMetrics(NamedTuple): + """ + Represents the character metrics of a single character. + + Notes + ----- + The fields do currently only describe a subset of character metrics + information defined in the AFM standard. + """ + + width: float + name: str + bbox: tuple[int, int, int, int] + + +CharMetrics.width.__doc__ = """The character width (WX).""" +CharMetrics.name.__doc__ = """The character name (N).""" +CharMetrics.bbox.__doc__ = """ + The bbox of the character (B) as a tuple (*llx*, *lly*, *urx*, *ury*).""" + + +def _parse_char_metrics(fh: BinaryIO) -> tuple[dict[CharacterCodeType, CharMetrics], + dict[str, CharMetrics]]: + """ + Parse the given filehandle for character metrics information. + + It is assumed that the file cursor is on the line behind 'StartCharMetrics'. + + Returns + ------- + ascii_d : dict + A mapping "ASCII num of the character" to `.CharMetrics`. + name_d : dict + A mapping "character name" to `.CharMetrics`. + + Notes + ----- + This function is incomplete per the standard, but thus far parses + all the sample afm files tried. + """ + required_keys = {'C', 'WX', 'N', 'B'} + + ascii_d: dict[CharacterCodeType, CharMetrics] = {} + name_d: dict[str, CharMetrics] = {} + for bline in fh: + # We are defensively letting values be utf8. The spec requires + # ascii, but there are non-compliant fonts in circulation + line = _to_str(bline.rstrip()) + if line.startswith('EndCharMetrics'): + return ascii_d, name_d + # Split the metric line into a dictionary, keyed by metric identifiers + vals = dict(s.strip().split(' ', 1) for s in line.split(';') if s) + # There may be other metrics present, but only these are needed + if not required_keys.issubset(vals): + raise RuntimeError('Bad char metrics line: %s' % line) + num = _to_int(vals['C']) + wx = _to_float(vals['WX']) + name = vals['N'] + bbox = tuple(map(int, _to_list_of_floats(vals['B']))) + if len(bbox) != 4: + raise RuntimeError(f'Bad parse: bbox has {len(bbox)} elements, should be 4') + metrics = CharMetrics(wx, name, bbox) + # Workaround: If the character name is 'Euro', give it the + # corresponding character code, according to WinAnsiEncoding (see PDF + # Reference). + if name == 'Euro': + num = 128 + elif name == 'minus': + num = ord("\N{MINUS SIGN}") # 0x2212 + if num != -1: + ascii_d[num] = metrics + name_d[name] = metrics + raise RuntimeError('Bad parse') + + +def _parse_kern_pairs(fh: BinaryIO) -> dict[tuple[str, str], float]: + """ + Return a kern pairs dictionary. + + Returns + ------- + dict + Keys are (*char1*, *char2*) tuples and values are the kern pair value. For + example, a kern pairs line like ``KPX A y -50`` will be represented as:: + + d['A', 'y'] = -50 + """ + line = next(fh) + if not line.startswith(b'StartKernPairs'): + raise RuntimeError(f'Bad start of kern pairs data: {line!r}') + + d: dict[tuple[str, str], float] = {} + for line in fh: + line = line.rstrip() + if not line: + continue + if line.startswith(b'EndKernPairs'): + next(fh) # EndKernData + return d + vals = line.split() + if len(vals) != 4 or vals[0] != b'KPX': + raise RuntimeError(f'Bad kern pairs line: {line!r}') + c1, c2, val = _to_str(vals[1]), _to_str(vals[2]), _to_float(vals[3]) + d[(c1, c2)] = val + raise RuntimeError('Bad kern pairs parse') + + +class CompositePart(NamedTuple): + """Represents the information on a composite element of a composite char.""" + + name: bytes + dx: float + dy: float + + +CompositePart.name.__doc__ = """Name of the part, e.g. 'acute'.""" +CompositePart.dx.__doc__ = """x-displacement of the part from the origin.""" +CompositePart.dy.__doc__ = """y-displacement of the part from the origin.""" + + +def _parse_composites(fh: BinaryIO) -> dict[bytes, list[CompositePart]]: + """ + Parse the given filehandle for composites information. + + It is assumed that the file cursor is on the line behind 'StartComposites'. + + Returns + ------- + dict + A dict mapping composite character names to a parts list. The parts + list is a list of `.CompositePart` entries describing the parts of + the composite. + + Examples + -------- + A composite definition line:: + + CC Aacute 2 ; PCC A 0 0 ; PCC acute 160 170 ; + + will be represented as:: + + composites[b'Aacute'] = [CompositePart(name=b'A', dx=0, dy=0), + CompositePart(name=b'acute', dx=160, dy=170)] + + """ + composites: dict[bytes, list[CompositePart]] = {} + for line in fh: + line = line.rstrip() + if not line: + continue + if line.startswith(b'EndComposites'): + return composites + vals = line.split(b';') + cc = vals[0].split() + name, _num_parts = cc[1], _to_int(cc[2]) + if len(vals) != _num_parts + 2: # First element is 'CC', last is empty. + raise RuntimeError(f'Bad composites parse: expected {_num_parts} parts, ' + f'but got {len(vals) - 2}') + pccParts = [] + for s in vals[1:-1]: + pcc = s.split() + part = CompositePart(pcc[1], _to_float(pcc[2]), _to_float(pcc[3])) + pccParts.append(part) + composites[name] = pccParts + + raise RuntimeError('Bad composites parse') + + +def _parse_optional(fh: BinaryIO) -> tuple[dict[tuple[str, str], float], + dict[bytes, list[CompositePart]]]: + """ + Parse the optional fields for kern pair data and composites. + + Returns + ------- + kern_data : dict + A dict containing kerning information. May be empty. + See `._parse_kern_pairs`. + composites : dict + A dict containing composite information. May be empty. + See `._parse_composites`. + """ + kern_data: dict[tuple[str, str], float] = {} + composites: dict[bytes, list[CompositePart]] = {} + for line in fh: + line = line.rstrip() + if not line: + continue + match line.split()[0]: + case b'StartKernData': + kern_data = _parse_kern_pairs(fh) + case b'StartComposites': + composites = _parse_composites(fh) + + return kern_data, composites + + +class AFM: + + def __init__(self, fh: BinaryIO): + """Parse the AFM file in file object *fh*.""" + self._header = _parse_header(fh) + self._metrics, self._metrics_by_name = _parse_char_metrics(fh) + self._kern, self._composite = _parse_optional(fh) + + def get_str_bbox_and_descent(self, s: str) -> tuple[int, int, float, int, int]: + """Return the string bounding box and the maximal descent.""" + if not len(s): + return 0, 0, 0, 0, 0 + total_width = 0.0 + namelast = '' + miny = 1_000_000_000 + maxy = 0 + left = 0 + for c in s: + if c == '\n': + continue + name = uni2type1.get(ord(c), f"uni{ord(c):04X}") + try: + wx, _, bbox = self._metrics_by_name[name] + except KeyError: + name = 'question' + wx, _, bbox = self._metrics_by_name[name] + total_width += wx + self._kern.get((namelast, name), 0) + l, b, w, h = bbox + left = min(left, l) + miny = min(miny, b) + maxy = max(maxy, b + h) + + namelast = name + + return left, miny, total_width, maxy - miny, -miny + + def get_glyph_name(self, # For consistency with FT2Font. + glyph_ind: GlyphIndexType) -> str: + """Get the name of the glyph, i.e., ord(';') is 'semicolon'.""" + return self._metrics[cast(CharacterCodeType, glyph_ind)].name + + def get_char_index(self, # For consistency with FT2Font. + c: CharacterCodeType) -> GlyphIndexType: + """ + Return the glyph index corresponding to a character code point. + + Note, for AFM fonts, we treat the glyph index the same as the codepoint. + """ + return cast(GlyphIndexType, c) + + def get_width_char(self, c: CharacterCodeType) -> float: + """Get the width of the character code from the character metric WX field.""" + return self._metrics[c].width + + def get_width_from_char_name(self, name: str) -> float: + """Get the width of the character from a type1 character name.""" + return self._metrics_by_name[name].width + + def get_kern_dist_from_name(self, name1: str, name2: str) -> float: + """ + Return the kerning pair distance (possibly 0) for chars *name1* and *name2*. + """ + return self._kern.get((name1, name2), 0) + + def get_fontname(self) -> str: + """Return the font name, e.g., 'Times-Roman'.""" + return self._header['FontName'] + + @property + def postscript_name(self) -> str: # For consistency with FT2Font. + return self.get_fontname() + + def get_fullname(self) -> str: + """Return the font full name, e.g., 'Times-Roman'.""" + name = self._header.get('FullName') + if name is None: # use FontName as a substitute + name = self._header['FontName'] + return name + + def get_familyname(self) -> str: + """Return the font family name, e.g., 'Times'.""" + name = self._header.get('FamilyName') + if name is not None: + return name + + # FamilyName not specified so we'll make a guess + name = self.get_fullname() + extras = (r'(?i)([ -](regular|plain|italic|oblique|bold|semibold|' + r'light|ultralight|extra|condensed))+$') + return re.sub(extras, '', name) + + @property + def family_name(self) -> str: # For consistency with FT2Font. + """The font family name, e.g., 'Times'.""" + return self.get_familyname() + + def get_weight(self) -> str: + """Return the font weight, e.g., 'Bold' or 'Roman'.""" + return self._header['Weight'] + + def get_angle(self) -> float: + """Return the fontangle as float.""" + return self._header['ItalicAngle'] + + def get_ascender(self) -> float: + """Return the ascent as float.""" + return self._header['Ascender'] + + def get_capheight(self) -> float: + """Return the cap height as float.""" + return self._header['CapHeight'] + + def get_descender(self) -> float: + """Return the descent as float.""" + return self._header['Descender'] + + def get_xheight(self) -> float: + """Return the xheight as float.""" + return self._header['XHeight'] + + def get_underline_thickness(self) -> float: + """Return the underline thickness as float.""" + return self._header['UnderlineThickness'] diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_animation_data.py b/.venv/lib/python3.12/site-packages/matplotlib/_animation_data.py new file mode 100644 index 0000000000000000000000000000000000000000..8cbd312d8f142d8b4ec3a3ad3e005a14f380ec13 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_animation_data.py @@ -0,0 +1,262 @@ +# JavaScript template for HTMLWriter +JS_INCLUDE = """ + + +""" + + +# Style definitions for the HTML template +STYLE_INCLUDE = """ + +""" + + +# HTML template for HTMLWriter +DISPLAY_TEMPLATE = """ +
+ +
+ +
+ + + + + + + + + +
+
+ + + + + + +
+
+
+ + + +""" # noqa: E501 + + +INCLUDED_FRAMES = """ + for (var i=0; i<{Nframes}; i++){{ + frames[i] = "{frame_dir}/frame" + ("0000000" + i).slice(-7) + + ".{frame_format}"; + }} +""" diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_api/__init__.py b/.venv/lib/python3.12/site-packages/matplotlib/_api/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..444e9c76b5b3db1ce23d47e27e346d062b98202a --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_api/__init__.py @@ -0,0 +1,494 @@ +""" +Helper functions for managing the Matplotlib API. + +This documentation is only relevant for Matplotlib developers, not for users. + +.. warning:: + + This module and its submodules are for internal use only. Do not use them + in your own code. We may change the API at any time with no warning. + +""" + +import difflib +import functools +import itertools +import pathlib +import re +import sys +import warnings + +from .deprecation import ( # noqa: F401 + deprecated, warn_deprecated, + rename_parameter, delete_parameter, make_keyword_only, + deprecate_method_override, deprecate_privatize_attribute, + suppress_matplotlib_deprecation_warning, + MatplotlibDeprecationWarning) + + +# A sentinel value for optional arguments, when None cannot be used as +# default because we need to distinguish between None passed explicitly +# and parameter not given. Usage: def foo(arg=_api.UNSET): +class _Unset: + def __repr__(self): + return "" +UNSET = _Unset() + + +class UnsupportedError(RuntimeError): + """ + Raised on inherited methods if the child class does not support the functionality + of the base class. + + See `.unsupported_method` for details. + """ + + +class unsupported_method: + """ + Descriptor that creates a method raising `.UnsupportedError`. + + Historically, we have quite a few cases of inheritance hierarchies that do not + fully respect the Liskov Substitution Principle, e.g. Axes and Artist. Some of + the methods of a base class may not be implemented in the child class. In that case, + we override the method in the child class to raise `.UnsupportedError`. + + Use in a class body to mark inherited methods as unsupported:: + + class Axes3D(Axes): + twinx = _api.unsupported_method() + + Calling ``Axes3D().twinx()`` will raise + "UnsupportedError: Axes3D does not support 'twinx'." + + Parameters + ---------- + append_message : str + Optional additional text to be appended to the error message. + """ + def __init__(self, *, append_message=None): + self.append_message = append_message + + def __set_name__(self, owner, name): + message = f"{owner.__name__} does not support '{name}'." + if self.append_message: + message += ' ' + self.append_message + + def method(self, *args, **kwargs): + raise UnsupportedError(message) + + method.__name__ = name + method.__qualname__ = f"{owner.__qualname__}.{name}" + method.__module__ = owner.__module__ + setattr(owner, name, method) + + +class classproperty: + """ + Like `property`, but also triggers on access via the class, and it is the + *class* that's passed as argument. + + Examples + -------- + :: + + class C: + @classproperty + def foo(cls): + return cls.__name__ + + assert C.foo == "C" + """ + + def __init__(self, fget, fset=None, fdel=None, doc=None): + self._fget = fget + if fset is not None or fdel is not None: + raise ValueError('classproperty only implements fget.') + self.fset = fset + self.fdel = fdel + # docs are ignored for now + self._doc = doc + + def __get__(self, instance, owner): + return self._fget(owner) + + @property + def fget(self): + return self._fget + + +# In the following check_foo() functions, the first parameter is positional-only to make +# e.g. `_api.check_isinstance([...], types=foo)` work. + +def check_isinstance(types, /, **kwargs): + """ + For each *key, value* pair in *kwargs*, check that *value* is an instance + of one of *types*; if not, raise an appropriate TypeError. + + As a special case, a ``None`` entry in *types* is treated as NoneType. + + Examples + -------- + >>> _api.check_isinstance((SomeClass, None), arg=arg) + """ + none_type = type(None) + types = ((types,) if isinstance(types, type) else + (none_type,) if types is None else + tuple(none_type if tp is None else tp for tp in types)) + + def type_name(tp): + return ("None" if tp is none_type + else tp.__qualname__ if tp.__module__ == "builtins" + else f"{tp.__module__}.{tp.__qualname__}") + + for k, v in kwargs.items(): + if not isinstance(v, types): + names = [*map(type_name, types)] + if "None" in names: # Move it to the end for better wording. + names.remove("None") + names.append("None") + raise TypeError( + "{!r} must be an instance of {}, not a {}".format( + k, + ", ".join(names[:-1]) + " or " + names[-1] + if len(names) > 1 else names[0], + type_name(type(v)))) + + +def list_suggestion_error_msg(name, potential, values): + """ + Generate an error message that a potential setting is not an acceptable value. + + If the acceptable values are all strings, and sufficiently large, then add just a + few suggestions to the end of the message. Otherwise list the supported values. + + Parameters + ---------- + name : str + The name of the setting, keyword argument, etc. to generate the message for. + potential + The potential value from the user that is not a valid choice. + values : iterable + Sequence of values to check on. + """ + if len(values) > 5 and all(isinstance(v, str) for v in [potential, *values]): + best = difflib.get_close_matches(potential, values, cutoff=0.5) + match len(best): + case 0: + suggestion = "" + case 1: + suggestion = f" Did you mean: {best[0]!r}?" + case _: + suggestion = f" Did you mean one of: {', '.join(map(repr, best))}?" + else: + suggestion = f" Supported values are {', '.join(map(repr, values))}" + return f"{potential!r} is not a valid value for {name}.{suggestion}" + + +def check_in_list(values, /, **kwargs): + """ + For each *key, value* pair in *kwargs*, check that *value* is in *values*; + if not, raise an appropriate ValueError. + + Parameters + ---------- + values : iterable + Sequence of values to check on. + + Note: All values must support == comparisons. + This means in particular the entries must not be numpy arrays. + **kwargs : dict + *key, value* pairs as keyword arguments to find in *values*. + + Raises + ------ + ValueError + If any *value* in *kwargs* is not found in *values*. + + Examples + -------- + >>> _api.check_in_list(["foo", "bar"], arg=arg, other_arg=other_arg) + """ + if not kwargs: + raise TypeError("No argument to check!") + for key, val in kwargs.items(): + try: + exists = val in values + except ValueError: + # `in` internally uses `val == values[i]`. There are some objects + # that do not support == to arbitrary other objects, in particular + # numpy arrays. + # Since such objects are not allowed in values, we can gracefully + # handle the case that val (typically provided by users) is of such + # type and directly state it's not in the list instead of letting + # the individual `val == values[i]` ValueError surface. + exists = False + if not exists: + raise ValueError(list_suggestion_error_msg(key, val, values)) + + +def check_shape(shape, /, **kwargs): + """ + For each *key, value* pair in *kwargs*, check that *value* has the shape *shape*; + if not, raise an appropriate ValueError. + + *None* in the shape is treated as a "free" size that can have any length. + e.g. (None, 2) -> (N, 2) + + The values checked must be numpy arrays. + + Examples + -------- + To check for (N, 2) shaped arrays + + >>> _api.check_shape((None, 2), arg=arg, other_arg=other_arg) + """ + for k, v in kwargs.items(): + data_shape = v.shape + + if (len(data_shape) != len(shape) + or any(s != t and t is not None for s, t in zip(data_shape, shape))): + dim_labels = iter(itertools.chain( + 'NMLKJIH', + (f"D{i}" for i in itertools.count()))) + text_shape = ", ".join([str(n) if n is not None else next(dim_labels) + for n in shape[::-1]][::-1]) + if len(shape) == 1: + text_shape += "," + + raise ValueError( + f"{k!r} must be {len(shape)}D with shape ({text_shape}), " + f"but your input has shape {v.shape}" + ) + + +def getitem_checked(mapping, /, _error_cls=ValueError, **kwargs): + """ + *kwargs* must consist of a single *key, value* pair. If *key* is in + *mapping*, return ``mapping[value]``; else, raise an appropriate + ValueError. + + Parameters + ---------- + _error_cls : + Class of error to raise. + + Examples + -------- + >>> _api.getitem_checked({"foo": "bar"}, arg=arg) + """ + if len(kwargs) != 1: + raise ValueError("getitem_checked takes a single keyword argument") + (k, v), = kwargs.items() + try: + return mapping[v] + except KeyError: + raise _error_cls(list_suggestion_error_msg(k, v, mapping.keys())) from None + + +def caching_module_getattr(cls): + """ + Helper decorator for implementing module-level ``__getattr__`` as a class. + + This decorator must be used at the module toplevel as follows:: + + @caching_module_getattr + class __getattr__: # The class *must* be named ``__getattr__``. + @property # Only properties are taken into account. + def name(self): ... + + The ``__getattr__`` class will be replaced by a ``__getattr__`` + function such that trying to access ``name`` on the module will + resolve the corresponding property (which may be decorated e.g. with + ``_api.deprecated`` for deprecating module globals). The properties are + all implicitly cached. Moreover, a suitable AttributeError is generated + and raised if no property with the given name exists. + """ + + assert cls.__name__ == "__getattr__" + # Don't accidentally export cls dunders. + props = {name: prop for name, prop in vars(cls).items() + if isinstance(prop, property)} + instance = cls() + + @functools.cache + def __getattr__(name): + if name in props: + return props[name].__get__(instance) + raise AttributeError( + f"module {cls.__module__!r} has no attribute {name!r}") + + return __getattr__ + + +def define_aliases(alias_d, cls=None): + """ + Class decorator for defining property aliases. + + Use as :: + + @_api.define_aliases({"property": ["alias", ...], ...}) + class C: ... + + For each property, if the corresponding ``get_property`` is defined in the + class so far, an alias named ``get_alias`` will be defined; the same will + be done for setters. If neither the getter nor the setter exists, an + exception will be raised. + + The alias map is stored as the ``_alias_to_prop`` attribute under the format + ``{"alias": "property", ...}` on the class, and can be used by + `.normalize_kwargs`. + """ + if cls is None: # Return the actual class decorator. + return functools.partial(define_aliases, alias_d) + + def make_alias(name): # Enforce a closure over *name*. + @functools.wraps(getattr(cls, name)) + def method(self, *args, **kwargs): + return getattr(self, name)(*args, **kwargs) + return method + + for prop, aliases in alias_d.items(): + exists = False + for prefix in ["get_", "set_"]: + if prefix + prop in vars(cls): + exists = True + for alias in aliases: + method = make_alias(prefix + prop) + method.__name__ = prefix + alias + method.__doc__ = f"Alias for `{prefix + prop}`." + setattr(cls, prefix + alias, method) + if not exists: + raise ValueError( + f"Neither getter nor setter exists for {prop!r}") + + alias_to_prop = { + alias: prop for prop, aliases in alias_d.items() for alias in aliases} + + def get_aliased_and_aliases(d): + return {*d.keys(), *d.values()} + + preexisting_aliases = getattr(cls, "_alias_to_prop", {}) + conflicting = (get_aliased_and_aliases(preexisting_aliases) + & get_aliased_and_aliases(alias_to_prop)) + if conflicting: + # Need to decide on conflict resolution policy. + raise NotImplementedError( + f"Parent class already defines conflicting aliases: {conflicting}") + cls._alias_to_prop = {**preexisting_aliases, **alias_to_prop} + return cls + + +def select_matching_signature(funcs, *args, **kwargs): + """ + Select and call the function that accepts ``*args, **kwargs``. + + *funcs* is a list of functions which should not raise any exception (other + than `TypeError` if the arguments passed do not match their signature). + + `select_matching_signature` tries to call each of the functions in *funcs* + with ``*args, **kwargs`` (in the order in which they are given). Calls + that fail with a `TypeError` are silently skipped. As soon as a call + succeeds, `select_matching_signature` returns its return value. If no + function accepts ``*args, **kwargs``, then the `TypeError` raised by the + last failing call is re-raised. + + Callers should normally make sure that any ``*args, **kwargs`` can only + bind a single *func* (to avoid any ambiguity), although this is not checked + by `select_matching_signature`. + + Notes + ----- + `select_matching_signature` is intended to help implementing + signature-overloaded functions. In general, such functions should be + avoided, except for back-compatibility concerns. A typical use pattern is + :: + + def my_func(*args, **kwargs): + params = select_matching_signature( + [lambda old1, old2: locals(), lambda new: locals()], + *args, **kwargs) + if "old1" in params: + warn_deprecated(...) + old1, old2 = params.values() # note that locals() is ordered. + else: + new, = params.values() + # do things with params + + which allows *my_func* to be called either with two parameters (*old1* and + *old2*) or a single one (*new*). Note that the new signature is given + last, so that callers get a `TypeError` corresponding to the new signature + if the arguments they passed in do not match any signature. + """ + # Rather than relying on locals() ordering, one could have just used func's + # signature (``bound = inspect.signature(func).bind(*args, **kwargs); + # bound.apply_defaults(); return bound``) but that is significantly slower. + for i, func in enumerate(funcs): + try: + return func(*args, **kwargs) + except TypeError: + if i == len(funcs) - 1: + raise + + +def nargs_error(name, takes, given): + """Generate a TypeError to be raised by function calls with wrong arity.""" + return TypeError(f"{name}() takes {takes} positional arguments but " + f"{given} were given") + + +def kwarg_error(name, kw): + """ + Generate a TypeError to be raised by function calls with wrong kwarg. + + Parameters + ---------- + name : str + The name of the calling function. + kw : str or Iterable[str] + Either the invalid keyword argument name, or an iterable yielding + invalid keyword arguments (e.g., a ``kwargs`` dict). + """ + if not isinstance(kw, str): + kw = next(iter(kw)) + return TypeError(f"{name}() got an unexpected keyword argument '{kw}'") + + +def recursive_subclasses(cls): + """Yield *cls* and direct and indirect subclasses of *cls*.""" + yield cls + for subcls in cls.__subclasses__(): + yield from recursive_subclasses(subcls) + + +def warn_external(message, category=None): + """ + `warnings.warn` wrapper that sets *stacklevel* to "outside Matplotlib". + + The original emitter of the warning can be obtained by patching this + function back to `warnings.warn`, i.e. ``_api.warn_external = + warnings.warn`` (or ``functools.partial(warnings.warn, stacklevel=2)``, + etc.). + """ + kwargs = {} + if sys.version_info[:2] >= (3, 12): + # Go to Python's `site-packages` or `lib` from an editable install. + basedir = pathlib.Path(__file__).parents[2] + kwargs['skip_file_prefixes'] = (str(basedir / 'matplotlib'), + str(basedir / 'mpl_toolkits')) + else: + frame = sys._getframe() + for stacklevel in itertools.count(1): + if frame is None: + # when called in embedded context may hit frame is None + kwargs['stacklevel'] = stacklevel + break + if not re.match(r"\A(matplotlib|mpl_toolkits)(\Z|\.(?!tests\.))", + # Work around sphinx-gallery not setting __name__. + frame.f_globals.get("__name__", "")): + kwargs['stacklevel'] = stacklevel + break + frame = frame.f_back + # preemptively break reference cycle between locals and the frame + del frame + warnings.warn(message, category, **kwargs) diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_api/__init__.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_api/__init__.pyi new file mode 100644 index 0000000000000000000000000000000000000000..aeefaa35ffaf472e99d945be4b093790a3cd0ec4 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_api/__init__.pyi @@ -0,0 +1,60 @@ +from collections.abc import Callable, Generator, Iterable, Mapping, Sequence +from typing import Any, TypeVar, overload +from typing import Self + +from numpy.typing import NDArray + +from .deprecation import ( # noqa: F401, re-exported API + deprecated as deprecated, + warn_deprecated as warn_deprecated, + rename_parameter as rename_parameter, + delete_parameter as delete_parameter, + make_keyword_only as make_keyword_only, + deprecate_method_override as deprecate_method_override, + deprecate_privatize_attribute as deprecate_privatize_attribute, + suppress_matplotlib_deprecation_warning as suppress_matplotlib_deprecation_warning, + MatplotlibDeprecationWarning as MatplotlibDeprecationWarning, +) + +_T = TypeVar("_T") + +class _Unset: ... + +class classproperty(Any): + def __init__( + self, + fget: Callable[[_T], Any], + fset: None = ..., + fdel: None = ..., + doc: str | None = None, + ): ... + @overload + def __get__(self, instance: None, owner: None) -> Self: ... + @overload + def __get__(self, instance: object, owner: type[object]) -> Any: ... + @property + def fget(self) -> Callable[[_T], Any]: ... + +def check_isinstance( + types: type | tuple[type | None, ...], /, **kwargs: Any +) -> None: ... +def list_suggestion_error_msg(name: str, potential: Any, values: Sequence[Any]) -> str: ... +def check_in_list(values: Sequence[Any], /, **kwargs: Any) -> None: ... +def check_shape(shape: tuple[int | None, ...], /, **kwargs: NDArray) -> None: ... +def getitem_checked(mapping: Mapping[Any, _T], /, _error_cls: type[Exception] = ..., **kwargs: Any) -> _T: ... +def caching_module_getattr(cls: type) -> Callable[[str], Any]: ... +@overload +def define_aliases( + alias_d: dict[str, list[str]], cls: None = ... +) -> Callable[[type[_T]], type[_T]]: ... +@overload +def define_aliases(alias_d: dict[str, list[str]], cls: type[_T]) -> type[_T]: ... +def select_matching_signature( + funcs: list[Callable], *args: Any, **kwargs: Any +) -> Any: ... +def nargs_error(name: str, takes: int | str, given: int) -> TypeError: ... +def kwarg_error(name: str, kw: str | Iterable[str]) -> TypeError: ... +def recursive_subclasses(cls: type) -> Generator[type, None, None]: ... +def warn_external( + message: str | Warning, category: type[Warning] | None = ... +) -> None: ... diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_api/__pycache__/__init__.cpython-312.pyc b/.venv/lib/python3.12/site-packages/matplotlib/_api/__pycache__/__init__.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..270ccdbbf689462d77ae0700441a00945b2bdb57 Binary files /dev/null and b/.venv/lib/python3.12/site-packages/matplotlib/_api/__pycache__/__init__.cpython-312.pyc differ diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_api/__pycache__/deprecation.cpython-312.pyc b/.venv/lib/python3.12/site-packages/matplotlib/_api/__pycache__/deprecation.cpython-312.pyc new file mode 100644 index 0000000000000000000000000000000000000000..dbdc95094dff34b1c23bff6405ba413a6daf6d0c Binary files /dev/null and b/.venv/lib/python3.12/site-packages/matplotlib/_api/__pycache__/deprecation.cpython-312.pyc differ diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_api/deprecation.py b/.venv/lib/python3.12/site-packages/matplotlib/_api/deprecation.py new file mode 100644 index 0000000000000000000000000000000000000000..10fa3e31fd5d40f37f2dea6a6f4042a41ac32523 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_api/deprecation.py @@ -0,0 +1,533 @@ +""" +Helper functions for deprecating parts of the Matplotlib API. + +This documentation is only relevant for Matplotlib developers, not for users. + +.. warning:: + + This module is for internal use only. Do not use it in your own code. + We may change the API at any time with no warning. + +""" + +import contextlib +import functools +import inspect +import math +import warnings + + +class MatplotlibDeprecationWarning(DeprecationWarning): + """A class for issuing deprecation warnings for Matplotlib users.""" + + +def _generate_deprecation_warning( + since, message='', name='', alternative='', pending=False, obj_type='', + addendum='', *, removal=''): + if pending: + if removal: + raise ValueError("A pending deprecation cannot have a scheduled removal") + elif removal == '': + macro, meso, *_ = since.split('.') + removal = f'{macro}.{int(meso) + 2}' + if not message: + message = ( + ("The %(name)s %(obj_type)s" if obj_type else "%(name)s") + + (" will be deprecated in a future version" if pending else + (" was deprecated in Matplotlib %(since)s" + + (" and will be removed in %(removal)s" if removal else ""))) + + "." + + (" Use %(alternative)s instead." if alternative else "") + + (" %(addendum)s" if addendum else "")) + warning_cls = PendingDeprecationWarning if pending else MatplotlibDeprecationWarning + return warning_cls(message % dict( + func=name, name=name, obj_type=obj_type, since=since, removal=removal, + alternative=alternative, addendum=addendum)) + + +def warn_deprecated( + since, *, message='', name='', alternative='', pending=False, + obj_type='', addendum='', removal=''): + """ + Display a standardized deprecation. + + Parameters + ---------- + since : str + The release at which this API became deprecated. + message : str, optional + Override the default deprecation message. The ``%(since)s``, + ``%(name)s``, ``%(alternative)s``, ``%(obj_type)s``, ``%(addendum)s``, + and ``%(removal)s`` format specifiers will be replaced by the values + of the respective arguments passed to this function. + name : str, optional + The name of the deprecated object. + alternative : str, optional + An alternative API that the user may use in place of the deprecated + API. The deprecation warning will tell the user about this alternative + if provided. + pending : bool, optional + If True, uses a PendingDeprecationWarning instead of a + DeprecationWarning. Cannot be used together with *removal*. + obj_type : str, optional + The object type being deprecated. + addendum : str, optional + Additional text appended directly to the final message. + removal : str, optional + The expected removal version. With the default (an empty string), a + removal version is automatically computed from *since*. Set to other + Falsy values to not schedule a removal date. Cannot be used together + with *pending*. + + Examples + -------- + :: + + # To warn of the deprecation of "matplotlib.name_of_module" + warn_deprecated('1.4.0', name='matplotlib.name_of_module', + obj_type='module') + """ + warning = _generate_deprecation_warning( + since, message, name, alternative, pending, obj_type, addendum, + removal=removal) + from . import warn_external + warn_external(warning, category=MatplotlibDeprecationWarning) + + +def deprecated(since, *, message='', name='', alternative='', pending=False, + obj_type=None, addendum='', removal=''): + """ + Decorator to mark a function, a class, or a property as deprecated. + + When deprecating a classmethod, a staticmethod, or a property, the + ``@deprecated`` decorator should go *under* ``@classmethod`` and + ``@staticmethod`` (i.e., `deprecated` should directly decorate the + underlying callable), but *over* ``@property``. + + When deprecating a class ``C`` intended to be used as a base class in a + multiple inheritance hierarchy, ``C`` *must* define an ``__init__`` method + (if ``C`` instead inherited its ``__init__`` from its own base class, then + ``@deprecated`` would mess up ``__init__`` inheritance when installing its + own (deprecation-emitting) ``C.__init__``). + + Parameters are the same as for `warn_deprecated`, except that *obj_type* + defaults to 'class' if decorating a class, 'attribute' if decorating a + property, and 'function' otherwise. + + Examples + -------- + :: + + @deprecated('1.4.0') + def the_function_to_deprecate(): + pass + """ + + def deprecate(obj, message=message, name=name, alternative=alternative, + pending=pending, obj_type=obj_type, addendum=addendum): + from matplotlib._api import classproperty + + if isinstance(obj, type): + if obj_type is None: + obj_type = "class" + func = obj.__init__ + name = name or obj.__name__ + old_doc = obj.__doc__ + + def finalize(wrapper, new_doc): + try: + obj.__doc__ = new_doc + except AttributeError: # Can't set on some extension objects. + pass + obj.__init__ = functools.wraps(obj.__init__)(wrapper) + return obj + + elif isinstance(obj, (property, classproperty)): + if obj_type is None: + obj_type = "attribute" + func = None + name = name or obj.fget.__name__ + old_doc = obj.__doc__ + + class _deprecated_property(type(obj)): + def __get__(self, instance, owner=None): + if instance is not None or owner is not None \ + and isinstance(self, classproperty): + emit_warning() + return super().__get__(instance, owner) + + def __set__(self, instance, value): + if instance is not None: + emit_warning() + return super().__set__(instance, value) + + def __delete__(self, instance): + if instance is not None: + emit_warning() + return super().__delete__(instance) + + def __set_name__(self, owner, set_name): + nonlocal name + if name == "": + name = set_name + + def finalize(_, new_doc): + return _deprecated_property( + fget=obj.fget, fset=obj.fset, fdel=obj.fdel, doc=new_doc) + + else: + if obj_type is None: + obj_type = "function" + func = obj + name = name or obj.__name__ + old_doc = func.__doc__ + + def finalize(wrapper, new_doc): + wrapper = functools.wraps(func)(wrapper) + wrapper.__doc__ = new_doc + return wrapper + + def emit_warning(): + warn_deprecated( + since, message=message, name=name, alternative=alternative, + pending=pending, obj_type=obj_type, addendum=addendum, + removal=removal) + + def wrapper(*args, **kwargs): + __tracebackhide__ = True + emit_warning() + return func(*args, **kwargs) + + old_doc = inspect.cleandoc(old_doc or '').strip('\n') + + notes_header = '\nNotes\n-----' + second_arg = ' '.join([t.strip() for t in + (message, f"Use {alternative} instead." + if alternative else "", addendum) if t]) + new_doc = (f"[*Deprecated*] {old_doc}\n" + f"{notes_header if notes_header not in old_doc else ''}\n" + f".. deprecated:: {since}\n" + f" {second_arg}") + + if not old_doc: + # This is to prevent a spurious 'unexpected unindent' warning from + # docutils when the original docstring was blank. + new_doc += r'\ ' + + return finalize(wrapper, new_doc) + + return deprecate + + +class deprecate_privatize_attribute: + """ + Helper to deprecate public access to an attribute (or method). + + This helper should only be used at class scope, as follows:: + + class Foo: + attr = _deprecate_privatize_attribute(*args, **kwargs) + + where *all* parameters are forwarded to `deprecated`. This form makes + ``attr`` a property which forwards read and write access to ``self._attr`` + (same name but with a leading underscore), with a deprecation warning. + Note that the attribute name is derived from *the name this helper is + assigned to*. This helper also works for deprecating methods. + """ + + def __init__(self, *args, **kwargs): + self.deprecator = deprecated(*args, **kwargs) + + def __set_name__(self, owner, name): + setattr(owner, name, self.deprecator( + property(lambda self: getattr(self, f"_{name}"), + lambda self, value: setattr(self, f"_{name}", value)), + name=name)) + + +# Used by _copy_docstring_and_deprecators to redecorate pyplot wrappers and +# boilerplate.py to retrieve original signatures. It may seem natural to store +# this information as an attribute on the wrapper, but if the wrapper gets +# itself functools.wraps()ed, then such attributes are silently propagated to +# the outer wrapper, which is not desired. +DECORATORS = {} + + +def rename_parameter(since, old, new, func=None): + """ + Decorator indicating that parameter *old* of *func* is renamed to *new*. + + The actual implementation of *func* should use *new*, not *old*. If *old* + is passed to *func*, a DeprecationWarning is emitted, and its value is + used, even if *new* is also passed by keyword (this is to simplify pyplot + wrapper functions, which always pass *new* explicitly to the Axes method). + If *new* is also passed but positionally, a TypeError will be raised by the + underlying function during argument binding. + + Examples + -------- + :: + + @_api.rename_parameter("3.1", "bad_name", "good_name") + def func(good_name): ... + """ + + decorator = functools.partial(rename_parameter, since, old, new) + + if func is None: + return decorator + + signature = inspect.signature(func) + assert old not in signature.parameters, ( + f"Matplotlib internal error: {old!r} cannot be a parameter for " + f"{func.__name__}()") + assert new in signature.parameters, ( + f"Matplotlib internal error: {new!r} must be a parameter for " + f"{func.__name__}()") + + @functools.wraps(func) + def wrapper(*args, **kwargs): + __tracebackhide__ = True + + if old in kwargs: + warn_deprecated( + since, message=f"The {old!r} parameter of {func.__name__}() " + f"has been renamed {new!r} since Matplotlib {since}; support " + f"for the old name will be dropped in %(removal)s.") + kwargs[new] = kwargs.pop(old) + return func(*args, **kwargs) + + # wrapper() must keep the same documented signature as func(): if we + # instead made both *old* and *new* appear in wrapper()'s signature, they + # would both show up in the pyplot function for an Axes method as well and + # pyplot would explicitly pass both arguments to the Axes method. + + DECORATORS[wrapper] = decorator + return wrapper + + +class _deprecated_parameter_class: + def __repr__(self): + return "" + + +_deprecated_parameter = _deprecated_parameter_class() + + +def delete_parameter(since, name, func=None, **kwargs): + """ + Decorator indicating that parameter *name* of *func* is being deprecated. + + The actual implementation of *func* should keep the *name* parameter in its + signature, or accept a ``**kwargs`` argument (through which *name* would be + passed). + + Parameters that come after the deprecated parameter effectively become + keyword-only (as they cannot be passed positionally without triggering the + DeprecationWarning on the deprecated parameter), and should be marked as + such after the deprecation period has passed and the deprecated parameter + is removed. + + Parameters other than *since*, *name*, and *func* are keyword-only and + forwarded to `.warn_deprecated`. + + Examples + -------- + :: + + @_api.delete_parameter("3.1", "unused") + def func(used_arg, other_arg, unused, more_args): ... + """ + + decorator = functools.partial(delete_parameter, since, name, **kwargs) + + if func is None: + return decorator + + signature = inspect.signature(func) + # Name of `**kwargs` parameter of the decorated function, typically + # "kwargs" if such a parameter exists, or None if the decorated function + # doesn't accept `**kwargs`. + kwargs_name = next((param.name for param in signature.parameters.values() + if param.kind == inspect.Parameter.VAR_KEYWORD), None) + if name in signature.parameters: + kind = signature.parameters[name].kind + is_varargs = kind is inspect.Parameter.VAR_POSITIONAL + is_varkwargs = kind is inspect.Parameter.VAR_KEYWORD + if not is_varargs and not is_varkwargs: + name_idx = ( + # Deprecated parameter can't be passed positionally. + math.inf if kind is inspect.Parameter.KEYWORD_ONLY + # If call site has no more than this number of parameters, the + # deprecated parameter can't have been passed positionally. + else [*signature.parameters].index(name)) + func.__signature__ = signature = signature.replace(parameters=[ + param.replace(default=_deprecated_parameter) + if param.name == name else param + for param in signature.parameters.values()]) + else: + name_idx = -1 # Deprecated parameter can always have been passed. + else: + is_varargs = is_varkwargs = False + # Deprecated parameter can't be passed positionally. + name_idx = math.inf + assert kwargs_name, ( + f"Matplotlib internal error: {name!r} must be a parameter for " + f"{func.__name__}()") + + addendum = kwargs.pop('addendum', None) + + @functools.wraps(func) + def wrapper(*inner_args, **inner_kwargs): + __tracebackhide__ = True + + if len(inner_args) <= name_idx and name not in inner_kwargs: + # Early return in the simple, non-deprecated case (much faster than + # calling bind()). + return func(*inner_args, **inner_kwargs) + arguments = signature.bind(*inner_args, **inner_kwargs).arguments + if is_varargs and arguments.get(name): + warn_deprecated( + since, message=f"Additional positional arguments to " + f"{func.__name__}() are deprecated since %(since)s and " + f"support for them will be removed in %(removal)s.") + elif is_varkwargs and arguments.get(name): + warn_deprecated( + since, message=f"Additional keyword arguments to " + f"{func.__name__}() are deprecated since %(since)s and " + f"support for them will be removed in %(removal)s.") + # We cannot just check `name not in arguments` because the pyplot + # wrappers always pass all arguments explicitly. + elif any(name in d and d[name] != _deprecated_parameter + for d in [arguments, arguments.get(kwargs_name, {})]): + deprecation_addendum = ( + f"If any parameter follows {name!r}, they should be passed as " + f"keyword, not positionally.") + warn_deprecated( + since, + name=repr(name), + obj_type=f"parameter of {func.__name__}()", + addendum=(addendum + " " + deprecation_addendum) if addendum + else deprecation_addendum, + **kwargs) + return func(*inner_args, **inner_kwargs) + + DECORATORS[wrapper] = decorator + return wrapper + + +def make_keyword_only(since, name, func=None): + """ + Decorator indicating that passing parameter *name* (or any of the following + ones) positionally to *func* is being deprecated. + + When used on a method that has a pyplot wrapper, this should be the + outermost decorator, so that :file:`boilerplate.py` can access the original + signature. + + Examples + -------- + Assume we want to only allow *dataset* and *positions* as positional + parameters on the method :: + + def violinplot(self, dataset, positions=None, vert=None, ...) + + Introduce the deprecation by adding the decorator :: + + @_api.make_keyword_only("3.10", "vert") + def violinplot(self, dataset, positions=None, vert=None, ...) + + When the deprecation expires, switch to :: + + def violinplot(self, dataset, positions=None, *, vert=None, ...) + + """ + + decorator = functools.partial(make_keyword_only, since, name) + + if func is None: + return decorator + + signature = inspect.signature(func) + POK = inspect.Parameter.POSITIONAL_OR_KEYWORD + KWO = inspect.Parameter.KEYWORD_ONLY + assert (name in signature.parameters + and signature.parameters[name].kind == POK), ( + f"Matplotlib internal error: {name!r} must be a positional-or-keyword " + f"parameter for {func.__name__}(). If this error happens on a function with a " + f"pyplot wrapper, make sure make_keyword_only() is the outermost decorator.") + names = [*signature.parameters] + name_idx = names.index(name) + kwonly = [name for name in names[name_idx:] + if signature.parameters[name].kind == POK] + + @functools.wraps(func) + def wrapper(*args, **kwargs): + __tracebackhide__ = True + + # Don't use signature.bind here, as it would fail when stacked with + # rename_parameter and an "old" argument name is passed in + # (signature.bind would fail, but the actual call would succeed). + if len(args) > name_idx: + warn_deprecated( + since, message="Passing the %(name)s %(obj_type)s " + "positionally is deprecated since Matplotlib %(since)s; the " + "parameter will become keyword-only in %(removal)s.", + name=name, obj_type=f"parameter of {func.__name__}()") + return func(*args, **kwargs) + + # Don't modify *func*'s signature, as boilerplate.py needs it. + wrapper.__signature__ = signature.replace(parameters=[ + param.replace(kind=KWO) if param.name in kwonly else param + for param in signature.parameters.values()]) + DECORATORS[wrapper] = decorator + return wrapper + + +def deprecate_method_override(method, obj, *, allow_empty=False, **kwargs): + """ + Return ``obj.method`` with a deprecation if it was overridden, else None. + + Parameters + ---------- + method + An unbound method, i.e. an expression of the form + ``Class.method_name``. Remember that within the body of a method, one + can always use ``__class__`` to refer to the class that is currently + being defined. + obj + Either an object of the class where *method* is defined, or a subclass + of that class. + allow_empty : bool, default: False + Whether to allow overrides by "empty" methods without emitting a + warning. + **kwargs + Additional parameters passed to `warn_deprecated` to generate the + deprecation warning; must at least include the "since" key. + """ + + def empty(): pass + def empty_with_docstring(): """doc""" + + name = method.__name__ + bound_child = getattr(obj, name) + bound_base = ( + method # If obj is a class, then we need to use unbound methods. + if isinstance(bound_child, type(empty)) and isinstance(obj, type) + else method.__get__(obj)) + if (bound_child != bound_base + and (not allow_empty + or (getattr(getattr(bound_child, "__code__", None), + "co_code", None) + not in [empty.__code__.co_code, + empty_with_docstring.__code__.co_code]))): + warn_deprecated(**{"name": name, "obj_type": "method", **kwargs}) + return bound_child + return None + + +@contextlib.contextmanager +def suppress_matplotlib_deprecation_warning(): + with warnings.catch_warnings(): + warnings.simplefilter("ignore", MatplotlibDeprecationWarning) + yield diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_api/deprecation.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_api/deprecation.pyi new file mode 100644 index 0000000000000000000000000000000000000000..e050290662d925fd68bd534881512e86db13a4bb --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_api/deprecation.pyi @@ -0,0 +1,75 @@ +from collections.abc import Callable +import contextlib +from typing import Any, Literal, ParamSpec, TypedDict, TypeVar, overload +from typing_extensions import ( + Unpack, # < Py 3.11 +) + +_P = ParamSpec("_P") +_R = TypeVar("_R") +_T = TypeVar("_T") + +class MatplotlibDeprecationWarning(DeprecationWarning): ... + +class DeprecationKwargs(TypedDict, total=False): + message: str + alternative: str + pending: bool + obj_type: str + addendum: str + removal: str | Literal[False] + +class NamedDeprecationKwargs(DeprecationKwargs, total=False): + name: str + +def warn_deprecated(since: str, **kwargs: Unpack[NamedDeprecationKwargs]) -> None: ... +def deprecated( + since: str, **kwargs: Unpack[NamedDeprecationKwargs] +) -> Callable[[_T], _T]: ... + +class deprecate_privatize_attribute(Any): + def __init__(self, since: str, **kwargs: Unpack[NamedDeprecationKwargs]): ... + def __set_name__(self, owner: type[object], name: str) -> None: ... + +DECORATORS: dict[Callable, Callable] = ... + +@overload +def rename_parameter( + since: str, old: str, new: str, func: None = ... +) -> Callable[[Callable[_P, _R]], Callable[_P, _R]]: ... +@overload +def rename_parameter( + since: str, old: str, new: str, func: Callable[_P, _R] +) -> Callable[_P, _R]: ... + +class _deprecated_parameter_class: ... + +_deprecated_parameter: _deprecated_parameter_class + +@overload +def delete_parameter( + since: str, name: str, func: None = ..., **kwargs: Unpack[DeprecationKwargs] +) -> Callable[[Callable[_P, _R]], Callable[_P, _R]]: ... +@overload +def delete_parameter( + since: str, name: str, func: Callable[_P, _R], **kwargs: Unpack[DeprecationKwargs] +) -> Callable[_P, _R]: ... +@overload +def make_keyword_only( + since: str, name: str, func: None = ... +) -> Callable[[Callable[_P, _R]], Callable[_P, _R]]: ... +@overload +def make_keyword_only( + since: str, name: str, func: Callable[_P, _R] +) -> Callable[_P, _R]: ... +def deprecate_method_override( + method: Callable[_P, _R], + obj: object | type, + *, + allow_empty: bool = ..., + since: str, + **kwargs: Unpack[NamedDeprecationKwargs] +) -> Callable[_P, _R]: ... +def suppress_matplotlib_deprecation_warning() -> ( + contextlib.AbstractContextManager[None] +): ... diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_blocking_input.py b/.venv/lib/python3.12/site-packages/matplotlib/_blocking_input.py new file mode 100644 index 0000000000000000000000000000000000000000..45f0775714431e73c283fede1f0cf12d7eaabb8d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_blocking_input.py @@ -0,0 +1,30 @@ +def blocking_input_loop(figure, event_names, timeout, handler): + """ + Run *figure*'s event loop while listening to interactive events. + + The events listed in *event_names* are passed to *handler*. + + This function is used to implement `.Figure.waitforbuttonpress`, + `.Figure.ginput`, and `.Axes.clabel`. + + Parameters + ---------- + figure : `~matplotlib.figure.Figure` + event_names : list of str + The names of the events passed to *handler*. + timeout : float + If positive, the event loop is stopped after *timeout* seconds. + handler : Callable[[Event], Any] + Function called for each event; it can force an early exit of the event + loop by calling ``canvas.stop_event_loop()``. + """ + if figure.canvas.manager: + figure.show() # Ensure that the figure is shown if we are managing it. + # Connect the events to the on_event function call. + cids = [figure.canvas.mpl_connect(name, handler) for name in event_names] + try: + figure.canvas.start_event_loop(timeout) # Start event loop. + finally: # Run even on exception like ctrl-c. + # Disconnect the callbacks. + for cid in cids: + figure.canvas.mpl_disconnect(cid) diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_c_internal_utils.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/matplotlib/_c_internal_utils.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..fc9f75bfa7e4be74168846b1300d67cb299c1112 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_c_internal_utils.cpython-312-x86_64-linux-gnu.so @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:7a4744e4d4dd1efe8c36ff2928ff6811c3f0cc2ba57bcb2e86cce828586d2c7e +size 266840 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_c_internal_utils.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_c_internal_utils.pyi new file mode 100644 index 0000000000000000000000000000000000000000..ccc172cde27a35ad930cc618b86fdf5c8d44728e --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_c_internal_utils.pyi @@ -0,0 +1,8 @@ +def display_is_valid() -> bool: ... +def xdisplay_is_valid() -> bool: ... + +def Win32_GetForegroundWindow() -> int | None: ... +def Win32_SetForegroundWindow(hwnd: int) -> None: ... +def Win32_SetProcessDpiAwareness_max() -> None: ... +def Win32_SetCurrentProcessExplicitAppUserModelID(appid: str) -> None: ... +def Win32_GetCurrentProcessExplicitAppUserModelID() -> str | None: ... diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_cm.py b/.venv/lib/python3.12/site-packages/matplotlib/_cm.py new file mode 100644 index 0000000000000000000000000000000000000000..cdad80bc9ddcb00df964f1c7b8407098f8842946 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_cm.py @@ -0,0 +1,1499 @@ +""" +Nothing here but dictionaries for generating LinearSegmentedColormaps, +and a dictionary of these dictionaries. + +Documentation for each is in pyplot.colormaps(). Please update this +with the purpose and type of your colormap if you add data for one here. +""" + +from functools import partial + +import numpy as np + +_binary_data = { + 'red': ((0., 1., 1.), (1., 0., 0.)), + 'green': ((0., 1., 1.), (1., 0., 0.)), + 'blue': ((0., 1., 1.), (1., 0., 0.)) + } + +_autumn_data = {'red': ((0., 1.0, 1.0), (1.0, 1.0, 1.0)), + 'green': ((0., 0., 0.), (1.0, 1.0, 1.0)), + 'blue': ((0., 0., 0.), (1.0, 0., 0.))} + +_bone_data = {'red': ((0., 0., 0.), + (0.746032, 0.652778, 0.652778), + (1.0, 1.0, 1.0)), + 'green': ((0., 0., 0.), + (0.365079, 0.319444, 0.319444), + (0.746032, 0.777778, 0.777778), + (1.0, 1.0, 1.0)), + 'blue': ((0., 0., 0.), + (0.365079, 0.444444, 0.444444), + (1.0, 1.0, 1.0))} + +_cool_data = {'red': ((0., 0., 0.), (1.0, 1.0, 1.0)), + 'green': ((0., 1., 1.), (1.0, 0., 0.)), + 'blue': ((0., 1., 1.), (1.0, 1., 1.))} + +_copper_data = {'red': ((0., 0., 0.), + (0.809524, 1.000000, 1.000000), + (1.0, 1.0, 1.0)), + 'green': ((0., 0., 0.), + (1.0, 0.7812, 0.7812)), + 'blue': ((0., 0., 0.), + (1.0, 0.4975, 0.4975))} + +def _flag_red(x): return 0.75 * np.sin((x * 31.5 + 0.25) * np.pi) + 0.5 +def _flag_green(x): return np.sin(x * 31.5 * np.pi) +def _flag_blue(x): return 0.75 * np.sin((x * 31.5 - 0.25) * np.pi) + 0.5 +_flag_data = {'red': _flag_red, 'green': _flag_green, 'blue': _flag_blue} + +def _prism_red(x): return 0.75 * np.sin((x * 20.9 + 0.25) * np.pi) + 0.67 +def _prism_green(x): return 0.75 * np.sin((x * 20.9 - 0.25) * np.pi) + 0.33 +def _prism_blue(x): return -1.1 * np.sin((x * 20.9) * np.pi) +_prism_data = {'red': _prism_red, 'green': _prism_green, 'blue': _prism_blue} + +def _ch_helper(gamma, s, r, h, p0, p1, x): + """Helper function for generating picklable cubehelix colormaps.""" + # Apply gamma factor to emphasise low or high intensity values + xg = x ** gamma + # Calculate amplitude and angle of deviation from the black to white + # diagonal in the plane of constant perceived intensity. + a = h * xg * (1 - xg) / 2 + phi = 2 * np.pi * (s / 3 + r * x) + return xg + a * (p0 * np.cos(phi) + p1 * np.sin(phi)) + +def cubehelix(gamma=1.0, s=0.5, r=-1.5, h=1.0): + """ + Return custom data dictionary of (r, g, b) conversion functions, which can + be used with `.ColormapRegistry.register`, for the cubehelix color scheme. + + Unlike most other color schemes cubehelix was designed by D.A. Green to + be monotonically increasing in terms of perceived brightness. + Also, when printed on a black and white postscript printer, the scheme + results in a greyscale with monotonically increasing brightness. + This color scheme is named cubehelix because the (r, g, b) values produced + can be visualised as a squashed helix around the diagonal in the + (r, g, b) color cube. + + For a unit color cube (i.e. 3D coordinates for (r, g, b) each in the + range 0 to 1) the color scheme starts at (r, g, b) = (0, 0, 0), i.e. black, + and finishes at (r, g, b) = (1, 1, 1), i.e. white. For some fraction *x*, + between 0 and 1, the color is the corresponding grey value at that + fraction along the black to white diagonal (x, x, x) plus a color + element. This color element is calculated in a plane of constant + perceived intensity and controlled by the following parameters. + + Parameters + ---------- + gamma : float, default: 1 + Gamma factor emphasizing either low intensity values (gamma < 1), or + high intensity values (gamma > 1). + s : float, default: 0.5 (purple) + The starting color. + r : float, default: -1.5 + The number of r, g, b rotations in color that are made from the start + to the end of the color scheme. The default of -1.5 corresponds to -> + B -> G -> R -> B. + h : float, default: 1 + The hue, i.e. how saturated the colors are. If this parameter is zero + then the color scheme is purely a greyscale. + """ + return {'red': partial(_ch_helper, gamma, s, r, h, -0.14861, 1.78277), + 'green': partial(_ch_helper, gamma, s, r, h, -0.29227, -0.90649), + 'blue': partial(_ch_helper, gamma, s, r, h, 1.97294, 0.0)} + +_cubehelix_data = cubehelix() + +_bwr_data = ((0.0, 0.0, 1.0), (1.0, 1.0, 1.0), (1.0, 0.0, 0.0)) +_brg_data = ((0.0, 0.0, 1.0), (1.0, 0.0, 0.0), (0.0, 1.0, 0.0)) + +# Gnuplot palette functions +def _g0(x): return 0 +def _g1(x): return 0.5 +def _g2(x): return 1 +def _g3(x): return x +def _g4(x): return x ** 2 +def _g5(x): return x ** 3 +def _g6(x): return x ** 4 +def _g7(x): return np.sqrt(x) +def _g8(x): return np.sqrt(np.sqrt(x)) +def _g9(x): return np.sin(x * np.pi / 2) +def _g10(x): return np.cos(x * np.pi / 2) +def _g11(x): return np.abs(x - 0.5) +def _g12(x): return (2 * x - 1) ** 2 +def _g13(x): return np.sin(x * np.pi) +def _g14(x): return np.abs(np.cos(x * np.pi)) +def _g15(x): return np.sin(x * 2 * np.pi) +def _g16(x): return np.cos(x * 2 * np.pi) +def _g17(x): return np.abs(np.sin(x * 2 * np.pi)) +def _g18(x): return np.abs(np.cos(x * 2 * np.pi)) +def _g19(x): return np.abs(np.sin(x * 4 * np.pi)) +def _g20(x): return np.abs(np.cos(x * 4 * np.pi)) +def _g21(x): return 3 * x +def _g22(x): return 3 * x - 1 +def _g23(x): return 3 * x - 2 +def _g24(x): return np.abs(3 * x - 1) +def _g25(x): return np.abs(3 * x - 2) +def _g26(x): return (3 * x - 1) / 2 +def _g27(x): return (3 * x - 2) / 2 +def _g28(x): return np.abs((3 * x - 1) / 2) +def _g29(x): return np.abs((3 * x - 2) / 2) +def _g30(x): return x / 0.32 - 0.78125 +def _g31(x): return 2 * x - 0.84 +def _g32(x): + ret = np.zeros(len(x)) + m = (x < 0.25) + ret[m] = 4 * x[m] + m = (x >= 0.25) & (x < 0.92) + ret[m] = -2 * x[m] + 1.84 + m = (x >= 0.92) + ret[m] = x[m] / 0.08 - 11.5 + return ret +def _g33(x): return np.abs(2 * x - 0.5) +def _g34(x): return 2 * x +def _g35(x): return 2 * x - 0.5 +def _g36(x): return 2 * x - 1 + +gfunc = {i: globals()[f"_g{i}"] for i in range(37)} + +_gnuplot_data = { + 'red': gfunc[7], + 'green': gfunc[5], + 'blue': gfunc[15], +} + +_gnuplot2_data = { + 'red': gfunc[30], + 'green': gfunc[31], + 'blue': gfunc[32], +} + +_ocean_data = { + 'red': gfunc[23], + 'green': gfunc[28], + 'blue': gfunc[3], +} + +_afmhot_data = { + 'red': gfunc[34], + 'green': gfunc[35], + 'blue': gfunc[36], +} + +_rainbow_data = { + 'red': gfunc[33], + 'green': gfunc[13], + 'blue': gfunc[10], +} + +_seismic_data = ( + (0.0, 0.0, 0.3), (0.0, 0.0, 1.0), + (1.0, 1.0, 1.0), (1.0, 0.0, 0.0), + (0.5, 0.0, 0.0)) + +_terrain_data = ( + (0.00, (0.2, 0.2, 0.6)), + (0.15, (0.0, 0.6, 1.0)), + (0.25, (0.0, 0.8, 0.4)), + (0.50, (1.0, 1.0, 0.6)), + (0.75, (0.5, 0.36, 0.33)), + (1.00, (1.0, 1.0, 1.0))) + +_gray_data = {'red': ((0., 0, 0), (1., 1, 1)), + 'green': ((0., 0, 0), (1., 1, 1)), + 'blue': ((0., 0, 0), (1., 1, 1))} + +_hot_data = {'red': ((0., 0.0416, 0.0416), + (0.365079, 1.000000, 1.000000), + (1.0, 1.0, 1.0)), + 'green': ((0., 0., 0.), + (0.365079, 0.000000, 0.000000), + (0.746032, 1.000000, 1.000000), + (1.0, 1.0, 1.0)), + 'blue': ((0., 0., 0.), + (0.746032, 0.000000, 0.000000), + (1.0, 1.0, 1.0))} + +_hsv_data = {'red': ((0., 1., 1.), + (0.158730, 1.000000, 1.000000), + (0.174603, 0.968750, 0.968750), + (0.333333, 0.031250, 0.031250), + (0.349206, 0.000000, 0.000000), + (0.666667, 0.000000, 0.000000), + (0.682540, 0.031250, 0.031250), + (0.841270, 0.968750, 0.968750), + (0.857143, 1.000000, 1.000000), + (1.0, 1.0, 1.0)), + 'green': ((0., 0., 0.), + (0.158730, 0.937500, 0.937500), + (0.174603, 1.000000, 1.000000), + (0.507937, 1.000000, 1.000000), + (0.666667, 0.062500, 0.062500), + (0.682540, 0.000000, 0.000000), + (1.0, 0., 0.)), + 'blue': ((0., 0., 0.), + (0.333333, 0.000000, 0.000000), + (0.349206, 0.062500, 0.062500), + (0.507937, 1.000000, 1.000000), + (0.841270, 1.000000, 1.000000), + (0.857143, 0.937500, 0.937500), + (1.0, 0.09375, 0.09375))} + +_jet_data = {'red': ((0.00, 0, 0), + (0.35, 0, 0), + (0.66, 1, 1), + (0.89, 1, 1), + (1.00, 0.5, 0.5)), + 'green': ((0.000, 0, 0), + (0.125, 0, 0), + (0.375, 1, 1), + (0.640, 1, 1), + (0.910, 0, 0), + (1.000, 0, 0)), + 'blue': ((0.00, 0.5, 0.5), + (0.11, 1, 1), + (0.34, 1, 1), + (0.65, 0, 0), + (1.00, 0, 0))} + +_pink_data = {'red': ((0., 0.1178, 0.1178), (0.015873, 0.195857, 0.195857), + (0.031746, 0.250661, 0.250661), + (0.047619, 0.295468, 0.295468), + (0.063492, 0.334324, 0.334324), + (0.079365, 0.369112, 0.369112), + (0.095238, 0.400892, 0.400892), + (0.111111, 0.430331, 0.430331), + (0.126984, 0.457882, 0.457882), + (0.142857, 0.483867, 0.483867), + (0.158730, 0.508525, 0.508525), + (0.174603, 0.532042, 0.532042), + (0.190476, 0.554563, 0.554563), + (0.206349, 0.576204, 0.576204), + (0.222222, 0.597061, 0.597061), + (0.238095, 0.617213, 0.617213), + (0.253968, 0.636729, 0.636729), + (0.269841, 0.655663, 0.655663), + (0.285714, 0.674066, 0.674066), + (0.301587, 0.691980, 0.691980), + (0.317460, 0.709441, 0.709441), + (0.333333, 0.726483, 0.726483), + (0.349206, 0.743134, 0.743134), + (0.365079, 0.759421, 0.759421), + (0.380952, 0.766356, 0.766356), + (0.396825, 0.773229, 0.773229), + (0.412698, 0.780042, 0.780042), + (0.428571, 0.786796, 0.786796), + (0.444444, 0.793492, 0.793492), + (0.460317, 0.800132, 0.800132), + (0.476190, 0.806718, 0.806718), + (0.492063, 0.813250, 0.813250), + (0.507937, 0.819730, 0.819730), + (0.523810, 0.826160, 0.826160), + (0.539683, 0.832539, 0.832539), + (0.555556, 0.838870, 0.838870), + (0.571429, 0.845154, 0.845154), + (0.587302, 0.851392, 0.851392), + (0.603175, 0.857584, 0.857584), + (0.619048, 0.863731, 0.863731), + (0.634921, 0.869835, 0.869835), + (0.650794, 0.875897, 0.875897), + (0.666667, 0.881917, 0.881917), + (0.682540, 0.887896, 0.887896), + (0.698413, 0.893835, 0.893835), + (0.714286, 0.899735, 0.899735), + (0.730159, 0.905597, 0.905597), + (0.746032, 0.911421, 0.911421), + (0.761905, 0.917208, 0.917208), + (0.777778, 0.922958, 0.922958), + (0.793651, 0.928673, 0.928673), + (0.809524, 0.934353, 0.934353), + (0.825397, 0.939999, 0.939999), + (0.841270, 0.945611, 0.945611), + (0.857143, 0.951190, 0.951190), + (0.873016, 0.956736, 0.956736), + (0.888889, 0.962250, 0.962250), + (0.904762, 0.967733, 0.967733), + (0.920635, 0.973185, 0.973185), + (0.936508, 0.978607, 0.978607), + (0.952381, 0.983999, 0.983999), + (0.968254, 0.989361, 0.989361), + (0.984127, 0.994695, 0.994695), (1.0, 1.0, 1.0)), + 'green': ((0., 0., 0.), (0.015873, 0.102869, 0.102869), + (0.031746, 0.145479, 0.145479), + (0.047619, 0.178174, 0.178174), + (0.063492, 0.205738, 0.205738), + (0.079365, 0.230022, 0.230022), + (0.095238, 0.251976, 0.251976), + (0.111111, 0.272166, 0.272166), + (0.126984, 0.290957, 0.290957), + (0.142857, 0.308607, 0.308607), + (0.158730, 0.325300, 0.325300), + (0.174603, 0.341178, 0.341178), + (0.190476, 0.356348, 0.356348), + (0.206349, 0.370899, 0.370899), + (0.222222, 0.384900, 0.384900), + (0.238095, 0.398410, 0.398410), + (0.253968, 0.411476, 0.411476), + (0.269841, 0.424139, 0.424139), + (0.285714, 0.436436, 0.436436), + (0.301587, 0.448395, 0.448395), + (0.317460, 0.460044, 0.460044), + (0.333333, 0.471405, 0.471405), + (0.349206, 0.482498, 0.482498), + (0.365079, 0.493342, 0.493342), + (0.380952, 0.517549, 0.517549), + (0.396825, 0.540674, 0.540674), + (0.412698, 0.562849, 0.562849), + (0.428571, 0.584183, 0.584183), + (0.444444, 0.604765, 0.604765), + (0.460317, 0.624669, 0.624669), + (0.476190, 0.643958, 0.643958), + (0.492063, 0.662687, 0.662687), + (0.507937, 0.680900, 0.680900), + (0.523810, 0.698638, 0.698638), + (0.539683, 0.715937, 0.715937), + (0.555556, 0.732828, 0.732828), + (0.571429, 0.749338, 0.749338), + (0.587302, 0.765493, 0.765493), + (0.603175, 0.781313, 0.781313), + (0.619048, 0.796819, 0.796819), + (0.634921, 0.812029, 0.812029), + (0.650794, 0.826960, 0.826960), + (0.666667, 0.841625, 0.841625), + (0.682540, 0.856040, 0.856040), + (0.698413, 0.870216, 0.870216), + (0.714286, 0.884164, 0.884164), + (0.730159, 0.897896, 0.897896), + (0.746032, 0.911421, 0.911421), + (0.761905, 0.917208, 0.917208), + (0.777778, 0.922958, 0.922958), + (0.793651, 0.928673, 0.928673), + (0.809524, 0.934353, 0.934353), + (0.825397, 0.939999, 0.939999), + (0.841270, 0.945611, 0.945611), + (0.857143, 0.951190, 0.951190), + (0.873016, 0.956736, 0.956736), + (0.888889, 0.962250, 0.962250), + (0.904762, 0.967733, 0.967733), + (0.920635, 0.973185, 0.973185), + (0.936508, 0.978607, 0.978607), + (0.952381, 0.983999, 0.983999), + (0.968254, 0.989361, 0.989361), + (0.984127, 0.994695, 0.994695), (1.0, 1.0, 1.0)), + 'blue': ((0., 0., 0.), (0.015873, 0.102869, 0.102869), + (0.031746, 0.145479, 0.145479), + (0.047619, 0.178174, 0.178174), + (0.063492, 0.205738, 0.205738), + (0.079365, 0.230022, 0.230022), + (0.095238, 0.251976, 0.251976), + (0.111111, 0.272166, 0.272166), + (0.126984, 0.290957, 0.290957), + (0.142857, 0.308607, 0.308607), + (0.158730, 0.325300, 0.325300), + (0.174603, 0.341178, 0.341178), + (0.190476, 0.356348, 0.356348), + (0.206349, 0.370899, 0.370899), + (0.222222, 0.384900, 0.384900), + (0.238095, 0.398410, 0.398410), + (0.253968, 0.411476, 0.411476), + (0.269841, 0.424139, 0.424139), + (0.285714, 0.436436, 0.436436), + (0.301587, 0.448395, 0.448395), + (0.317460, 0.460044, 0.460044), + (0.333333, 0.471405, 0.471405), + (0.349206, 0.482498, 0.482498), + (0.365079, 0.493342, 0.493342), + (0.380952, 0.503953, 0.503953), + (0.396825, 0.514344, 0.514344), + (0.412698, 0.524531, 0.524531), + (0.428571, 0.534522, 0.534522), + (0.444444, 0.544331, 0.544331), + (0.460317, 0.553966, 0.553966), + (0.476190, 0.563436, 0.563436), + (0.492063, 0.572750, 0.572750), + (0.507937, 0.581914, 0.581914), + (0.523810, 0.590937, 0.590937), + (0.539683, 0.599824, 0.599824), + (0.555556, 0.608581, 0.608581), + (0.571429, 0.617213, 0.617213), + (0.587302, 0.625727, 0.625727), + (0.603175, 0.634126, 0.634126), + (0.619048, 0.642416, 0.642416), + (0.634921, 0.650600, 0.650600), + (0.650794, 0.658682, 0.658682), + (0.666667, 0.666667, 0.666667), + (0.682540, 0.674556, 0.674556), + (0.698413, 0.682355, 0.682355), + (0.714286, 0.690066, 0.690066), + (0.730159, 0.697691, 0.697691), + (0.746032, 0.705234, 0.705234), + (0.761905, 0.727166, 0.727166), + (0.777778, 0.748455, 0.748455), + (0.793651, 0.769156, 0.769156), + (0.809524, 0.789314, 0.789314), + (0.825397, 0.808969, 0.808969), + (0.841270, 0.828159, 0.828159), + (0.857143, 0.846913, 0.846913), + (0.873016, 0.865261, 0.865261), + (0.888889, 0.883229, 0.883229), + (0.904762, 0.900837, 0.900837), + (0.920635, 0.918109, 0.918109), + (0.936508, 0.935061, 0.935061), + (0.952381, 0.951711, 0.951711), + (0.968254, 0.968075, 0.968075), + (0.984127, 0.984167, 0.984167), (1.0, 1.0, 1.0))} + +_spring_data = {'red': ((0., 1., 1.), (1.0, 1.0, 1.0)), + 'green': ((0., 0., 0.), (1.0, 1.0, 1.0)), + 'blue': ((0., 1., 1.), (1.0, 0.0, 0.0))} + + +_summer_data = {'red': ((0., 0., 0.), (1.0, 1.0, 1.0)), + 'green': ((0., 0.5, 0.5), (1.0, 1.0, 1.0)), + 'blue': ((0., 0.4, 0.4), (1.0, 0.4, 0.4))} + + +_winter_data = {'red': ((0., 0., 0.), (1.0, 0.0, 0.0)), + 'green': ((0., 0., 0.), (1.0, 1.0, 1.0)), + 'blue': ((0., 1., 1.), (1.0, 0.5, 0.5))} + +_nipy_spectral_data = { + 'red': [ + (0.0, 0.0, 0.0), (0.05, 0.4667, 0.4667), + (0.10, 0.5333, 0.5333), (0.15, 0.0, 0.0), + (0.20, 0.0, 0.0), (0.25, 0.0, 0.0), + (0.30, 0.0, 0.0), (0.35, 0.0, 0.0), + (0.40, 0.0, 0.0), (0.45, 0.0, 0.0), + (0.50, 0.0, 0.0), (0.55, 0.0, 0.0), + (0.60, 0.0, 0.0), (0.65, 0.7333, 0.7333), + (0.70, 0.9333, 0.9333), (0.75, 1.0, 1.0), + (0.80, 1.0, 1.0), (0.85, 1.0, 1.0), + (0.90, 0.8667, 0.8667), (0.95, 0.80, 0.80), + (1.0, 0.80, 0.80), + ], + 'green': [ + (0.0, 0.0, 0.0), (0.05, 0.0, 0.0), + (0.10, 0.0, 0.0), (0.15, 0.0, 0.0), + (0.20, 0.0, 0.0), (0.25, 0.4667, 0.4667), + (0.30, 0.6000, 0.6000), (0.35, 0.6667, 0.6667), + (0.40, 0.6667, 0.6667), (0.45, 0.6000, 0.6000), + (0.50, 0.7333, 0.7333), (0.55, 0.8667, 0.8667), + (0.60, 1.0, 1.0), (0.65, 1.0, 1.0), + (0.70, 0.9333, 0.9333), (0.75, 0.8000, 0.8000), + (0.80, 0.6000, 0.6000), (0.85, 0.0, 0.0), + (0.90, 0.0, 0.0), (0.95, 0.0, 0.0), + (1.0, 0.80, 0.80), + ], + 'blue': [ + (0.0, 0.0, 0.0), (0.05, 0.5333, 0.5333), + (0.10, 0.6000, 0.6000), (0.15, 0.6667, 0.6667), + (0.20, 0.8667, 0.8667), (0.25, 0.8667, 0.8667), + (0.30, 0.8667, 0.8667), (0.35, 0.6667, 0.6667), + (0.40, 0.5333, 0.5333), (0.45, 0.0, 0.0), + (0.5, 0.0, 0.0), (0.55, 0.0, 0.0), + (0.60, 0.0, 0.0), (0.65, 0.0, 0.0), + (0.70, 0.0, 0.0), (0.75, 0.0, 0.0), + (0.80, 0.0, 0.0), (0.85, 0.0, 0.0), + (0.90, 0.0, 0.0), (0.95, 0.0, 0.0), + (1.0, 0.80, 0.80), + ], +} + + +# 34 colormaps based on color specifications and designs +# developed by Cynthia Brewer (https://colorbrewer2.org/). +# The ColorBrewer palettes have been included under the terms +# of an Apache-stype license (for details, see the file +# LICENSE_COLORBREWER in the license directory of the matplotlib +# source distribution). + +# RGB values taken from Brewer's Excel sheet, divided by 255 + +_Blues_data = ( + (0.96862745098039216, 0.98431372549019602, 1.0 ), + (0.87058823529411766, 0.92156862745098034, 0.96862745098039216), + (0.77647058823529413, 0.85882352941176465, 0.93725490196078431), + (0.61960784313725492, 0.792156862745098 , 0.88235294117647056), + (0.41960784313725491, 0.68235294117647061, 0.83921568627450982), + (0.25882352941176473, 0.5725490196078431 , 0.77647058823529413), + (0.12941176470588237, 0.44313725490196076, 0.70980392156862748), + (0.03137254901960784, 0.31764705882352939, 0.61176470588235299), + (0.03137254901960784, 0.18823529411764706, 0.41960784313725491) + ) + +_BrBG_data = ( + (0.32941176470588235, 0.18823529411764706, 0.0196078431372549 ), + (0.5490196078431373 , 0.31764705882352939, 0.0392156862745098 ), + (0.74901960784313726, 0.50588235294117645, 0.17647058823529413), + (0.87450980392156863, 0.76078431372549016, 0.49019607843137253), + (0.96470588235294119, 0.90980392156862744, 0.76470588235294112), + (0.96078431372549022, 0.96078431372549022, 0.96078431372549022), + (0.7803921568627451 , 0.91764705882352937, 0.89803921568627454), + (0.50196078431372548, 0.80392156862745101, 0.75686274509803919), + (0.20784313725490197, 0.59215686274509804, 0.5607843137254902 ), + (0.00392156862745098, 0.4 , 0.36862745098039218), + (0.0 , 0.23529411764705882, 0.18823529411764706) + ) + +_BuGn_data = ( + (0.96862745098039216, 0.9882352941176471 , 0.99215686274509807), + (0.89803921568627454, 0.96078431372549022, 0.97647058823529409), + (0.8 , 0.92549019607843142, 0.90196078431372551), + (0.6 , 0.84705882352941175, 0.78823529411764703), + (0.4 , 0.76078431372549016, 0.64313725490196083), + (0.25490196078431371, 0.68235294117647061, 0.46274509803921571), + (0.13725490196078433, 0.54509803921568623, 0.27058823529411763), + (0.0 , 0.42745098039215684, 0.17254901960784313), + (0.0 , 0.26666666666666666, 0.10588235294117647) + ) + +_BuPu_data = ( + (0.96862745098039216, 0.9882352941176471 , 0.99215686274509807), + (0.8784313725490196 , 0.92549019607843142, 0.95686274509803926), + (0.74901960784313726, 0.82745098039215681, 0.90196078431372551), + (0.61960784313725492, 0.73725490196078436, 0.85490196078431369), + (0.5490196078431373 , 0.58823529411764708, 0.77647058823529413), + (0.5490196078431373 , 0.41960784313725491, 0.69411764705882351), + (0.53333333333333333, 0.25490196078431371, 0.61568627450980395), + (0.50588235294117645, 0.05882352941176471, 0.48627450980392156), + (0.30196078431372547, 0.0 , 0.29411764705882354) + ) + +_GnBu_data = ( + (0.96862745098039216, 0.9882352941176471 , 0.94117647058823528), + (0.8784313725490196 , 0.95294117647058818, 0.85882352941176465), + (0.8 , 0.92156862745098034, 0.77254901960784317), + (0.6588235294117647 , 0.8666666666666667 , 0.70980392156862748), + (0.4823529411764706 , 0.8 , 0.7686274509803922 ), + (0.30588235294117649, 0.70196078431372544, 0.82745098039215681), + (0.16862745098039217, 0.5490196078431373 , 0.74509803921568629), + (0.03137254901960784, 0.40784313725490196, 0.67450980392156867), + (0.03137254901960784, 0.25098039215686274, 0.50588235294117645) + ) + +_Greens_data = ( + (0.96862745098039216, 0.9882352941176471 , 0.96078431372549022), + (0.89803921568627454, 0.96078431372549022, 0.8784313725490196 ), + (0.7803921568627451 , 0.9137254901960784 , 0.75294117647058822), + (0.63137254901960782, 0.85098039215686272, 0.60784313725490191), + (0.45490196078431372, 0.7686274509803922 , 0.46274509803921571), + (0.25490196078431371, 0.6705882352941176 , 0.36470588235294116), + (0.13725490196078433, 0.54509803921568623, 0.27058823529411763), + (0.0 , 0.42745098039215684, 0.17254901960784313), + (0.0 , 0.26666666666666666, 0.10588235294117647) + ) + +_Greys_data = ( + (1.0 , 1.0 , 1.0 ), + (0.94117647058823528, 0.94117647058823528, 0.94117647058823528), + (0.85098039215686272, 0.85098039215686272, 0.85098039215686272), + (0.74117647058823533, 0.74117647058823533, 0.74117647058823533), + (0.58823529411764708, 0.58823529411764708, 0.58823529411764708), + (0.45098039215686275, 0.45098039215686275, 0.45098039215686275), + (0.32156862745098042, 0.32156862745098042, 0.32156862745098042), + (0.14509803921568629, 0.14509803921568629, 0.14509803921568629), + (0.0 , 0.0 , 0.0 ) + ) + +_Oranges_data = ( + (1.0 , 0.96078431372549022, 0.92156862745098034), + (0.99607843137254903, 0.90196078431372551, 0.80784313725490198), + (0.99215686274509807, 0.81568627450980391, 0.63529411764705879), + (0.99215686274509807, 0.68235294117647061, 0.41960784313725491), + (0.99215686274509807, 0.55294117647058827, 0.23529411764705882), + (0.94509803921568625, 0.41176470588235292, 0.07450980392156863), + (0.85098039215686272, 0.28235294117647058, 0.00392156862745098), + (0.65098039215686276, 0.21176470588235294, 0.01176470588235294), + (0.49803921568627452, 0.15294117647058825, 0.01568627450980392) + ) + +_OrRd_data = ( + (1.0 , 0.96862745098039216, 0.92549019607843142), + (0.99607843137254903, 0.90980392156862744, 0.78431372549019607), + (0.99215686274509807, 0.83137254901960789, 0.61960784313725492), + (0.99215686274509807, 0.73333333333333328, 0.51764705882352946), + (0.9882352941176471 , 0.55294117647058827, 0.34901960784313724), + (0.93725490196078431, 0.396078431372549 , 0.28235294117647058), + (0.84313725490196079, 0.18823529411764706, 0.12156862745098039), + (0.70196078431372544, 0.0 , 0.0 ), + (0.49803921568627452, 0.0 , 0.0 ) + ) + +_PiYG_data = ( + (0.55686274509803924, 0.00392156862745098, 0.32156862745098042), + (0.77254901960784317, 0.10588235294117647, 0.49019607843137253), + (0.87058823529411766, 0.46666666666666667, 0.68235294117647061), + (0.94509803921568625, 0.71372549019607845, 0.85490196078431369), + (0.99215686274509807, 0.8784313725490196 , 0.93725490196078431), + (0.96862745098039216, 0.96862745098039216, 0.96862745098039216), + (0.90196078431372551, 0.96078431372549022, 0.81568627450980391), + (0.72156862745098038, 0.88235294117647056, 0.52549019607843139), + (0.49803921568627452, 0.73725490196078436, 0.25490196078431371), + (0.30196078431372547, 0.5725490196078431 , 0.12941176470588237), + (0.15294117647058825, 0.39215686274509803, 0.09803921568627451) + ) + +_PRGn_data = ( + (0.25098039215686274, 0.0 , 0.29411764705882354), + (0.46274509803921571, 0.16470588235294117, 0.51372549019607838), + (0.6 , 0.4392156862745098 , 0.6705882352941176 ), + (0.76078431372549016, 0.6470588235294118 , 0.81176470588235294), + (0.90588235294117647, 0.83137254901960789, 0.90980392156862744), + (0.96862745098039216, 0.96862745098039216, 0.96862745098039216), + (0.85098039215686272, 0.94117647058823528, 0.82745098039215681), + (0.65098039215686276, 0.85882352941176465, 0.62745098039215685), + (0.35294117647058826, 0.68235294117647061, 0.38039215686274508), + (0.10588235294117647, 0.47058823529411764, 0.21568627450980393), + (0.0 , 0.26666666666666666, 0.10588235294117647) + ) + +_PuBu_data = ( + (1.0 , 0.96862745098039216, 0.98431372549019602), + (0.92549019607843142, 0.90588235294117647, 0.94901960784313721), + (0.81568627450980391, 0.81960784313725488, 0.90196078431372551), + (0.65098039215686276, 0.74117647058823533, 0.85882352941176465), + (0.45490196078431372, 0.66274509803921566, 0.81176470588235294), + (0.21176470588235294, 0.56470588235294117, 0.75294117647058822), + (0.0196078431372549 , 0.4392156862745098 , 0.69019607843137254), + (0.01568627450980392, 0.35294117647058826, 0.55294117647058827), + (0.00784313725490196, 0.2196078431372549 , 0.34509803921568627) + ) + +_PuBuGn_data = ( + (1.0 , 0.96862745098039216, 0.98431372549019602), + (0.92549019607843142, 0.88627450980392153, 0.94117647058823528), + (0.81568627450980391, 0.81960784313725488, 0.90196078431372551), + (0.65098039215686276, 0.74117647058823533, 0.85882352941176465), + (0.40392156862745099, 0.66274509803921566, 0.81176470588235294), + (0.21176470588235294, 0.56470588235294117, 0.75294117647058822), + (0.00784313725490196, 0.50588235294117645, 0.54117647058823526), + (0.00392156862745098, 0.42352941176470588, 0.34901960784313724), + (0.00392156862745098, 0.27450980392156865, 0.21176470588235294) + ) + +_PuOr_data = ( + (0.49803921568627452, 0.23137254901960785, 0.03137254901960784), + (0.70196078431372544, 0.34509803921568627, 0.02352941176470588), + (0.8784313725490196 , 0.50980392156862742, 0.07843137254901961), + (0.99215686274509807, 0.72156862745098038, 0.38823529411764707), + (0.99607843137254903, 0.8784313725490196 , 0.71372549019607845), + (0.96862745098039216, 0.96862745098039216, 0.96862745098039216), + (0.84705882352941175, 0.85490196078431369, 0.92156862745098034), + (0.69803921568627447, 0.6705882352941176 , 0.82352941176470584), + (0.50196078431372548, 0.45098039215686275, 0.67450980392156867), + (0.32941176470588235, 0.15294117647058825, 0.53333333333333333), + (0.17647058823529413, 0.0 , 0.29411764705882354) + ) + +_PuRd_data = ( + (0.96862745098039216, 0.95686274509803926, 0.97647058823529409), + (0.90588235294117647, 0.88235294117647056, 0.93725490196078431), + (0.83137254901960789, 0.72549019607843135, 0.85490196078431369), + (0.78823529411764703, 0.58039215686274515, 0.7803921568627451 ), + (0.87450980392156863, 0.396078431372549 , 0.69019607843137254), + (0.90588235294117647, 0.16078431372549021, 0.54117647058823526), + (0.80784313725490198, 0.07058823529411765, 0.33725490196078434), + (0.59607843137254901, 0.0 , 0.2627450980392157 ), + (0.40392156862745099, 0.0 , 0.12156862745098039) + ) + +_Purples_data = ( + (0.9882352941176471 , 0.98431372549019602, 0.99215686274509807), + (0.93725490196078431, 0.92941176470588238, 0.96078431372549022), + (0.85490196078431369, 0.85490196078431369, 0.92156862745098034), + (0.73725490196078436, 0.74117647058823533, 0.86274509803921573), + (0.61960784313725492, 0.60392156862745094, 0.78431372549019607), + (0.50196078431372548, 0.49019607843137253, 0.72941176470588232), + (0.41568627450980394, 0.31764705882352939, 0.63921568627450975), + (0.32941176470588235, 0.15294117647058825, 0.5607843137254902 ), + (0.24705882352941178, 0.0 , 0.49019607843137253) + ) + +_RdBu_data = ( + (0.40392156862745099, 0.0 , 0.12156862745098039), + (0.69803921568627447, 0.09411764705882353, 0.16862745098039217), + (0.83921568627450982, 0.37647058823529411, 0.30196078431372547), + (0.95686274509803926, 0.6470588235294118 , 0.50980392156862742), + (0.99215686274509807, 0.85882352941176465, 0.7803921568627451 ), + (0.96862745098039216, 0.96862745098039216, 0.96862745098039216), + (0.81960784313725488, 0.89803921568627454, 0.94117647058823528), + (0.5725490196078431 , 0.77254901960784317, 0.87058823529411766), + (0.2627450980392157 , 0.57647058823529407, 0.76470588235294112), + (0.12941176470588237, 0.4 , 0.67450980392156867), + (0.0196078431372549 , 0.18823529411764706, 0.38039215686274508) + ) + +_RdGy_data = ( + (0.40392156862745099, 0.0 , 0.12156862745098039), + (0.69803921568627447, 0.09411764705882353, 0.16862745098039217), + (0.83921568627450982, 0.37647058823529411, 0.30196078431372547), + (0.95686274509803926, 0.6470588235294118 , 0.50980392156862742), + (0.99215686274509807, 0.85882352941176465, 0.7803921568627451 ), + (1.0 , 1.0 , 1.0 ), + (0.8784313725490196 , 0.8784313725490196 , 0.8784313725490196 ), + (0.72941176470588232, 0.72941176470588232, 0.72941176470588232), + (0.52941176470588236, 0.52941176470588236, 0.52941176470588236), + (0.30196078431372547, 0.30196078431372547, 0.30196078431372547), + (0.10196078431372549, 0.10196078431372549, 0.10196078431372549) + ) + +_RdPu_data = ( + (1.0 , 0.96862745098039216, 0.95294117647058818), + (0.99215686274509807, 0.8784313725490196 , 0.86666666666666667), + (0.9882352941176471 , 0.77254901960784317, 0.75294117647058822), + (0.98039215686274506, 0.62352941176470589, 0.70980392156862748), + (0.96862745098039216, 0.40784313725490196, 0.63137254901960782), + (0.86666666666666667, 0.20392156862745098, 0.59215686274509804), + (0.68235294117647061, 0.00392156862745098, 0.49411764705882355), + (0.47843137254901963, 0.00392156862745098, 0.46666666666666667), + (0.28627450980392155, 0.0 , 0.41568627450980394) + ) + +_RdYlBu_data = ( + (0.6470588235294118 , 0.0 , 0.14901960784313725), + (0.84313725490196079, 0.18823529411764706 , 0.15294117647058825), + (0.95686274509803926, 0.42745098039215684 , 0.2627450980392157 ), + (0.99215686274509807, 0.68235294117647061 , 0.38039215686274508), + (0.99607843137254903, 0.8784313725490196 , 0.56470588235294117), + (1.0 , 1.0 , 0.74901960784313726), + (0.8784313725490196 , 0.95294117647058818 , 0.97254901960784312), + (0.6705882352941176 , 0.85098039215686272 , 0.9137254901960784 ), + (0.45490196078431372, 0.67843137254901964 , 0.81960784313725488), + (0.27058823529411763, 0.45882352941176469 , 0.70588235294117652), + (0.19215686274509805, 0.21176470588235294 , 0.58431372549019611) + ) + +_RdYlGn_data = ( + (0.6470588235294118 , 0.0 , 0.14901960784313725), + (0.84313725490196079, 0.18823529411764706 , 0.15294117647058825), + (0.95686274509803926, 0.42745098039215684 , 0.2627450980392157 ), + (0.99215686274509807, 0.68235294117647061 , 0.38039215686274508), + (0.99607843137254903, 0.8784313725490196 , 0.54509803921568623), + (1.0 , 1.0 , 0.74901960784313726), + (0.85098039215686272, 0.93725490196078431 , 0.54509803921568623), + (0.65098039215686276, 0.85098039215686272 , 0.41568627450980394), + (0.4 , 0.74117647058823533 , 0.38823529411764707), + (0.10196078431372549, 0.59607843137254901 , 0.31372549019607843), + (0.0 , 0.40784313725490196 , 0.21568627450980393) + ) + +_Reds_data = ( + (1.0 , 0.96078431372549022 , 0.94117647058823528), + (0.99607843137254903, 0.8784313725490196 , 0.82352941176470584), + (0.9882352941176471 , 0.73333333333333328 , 0.63137254901960782), + (0.9882352941176471 , 0.5725490196078431 , 0.44705882352941179), + (0.98431372549019602, 0.41568627450980394 , 0.29019607843137257), + (0.93725490196078431, 0.23137254901960785 , 0.17254901960784313), + (0.79607843137254897, 0.094117647058823528, 0.11372549019607843), + (0.6470588235294118 , 0.058823529411764705, 0.08235294117647058), + (0.40392156862745099, 0.0 , 0.05098039215686274) + ) + +_Spectral_data = ( + (0.61960784313725492, 0.003921568627450980, 0.25882352941176473), + (0.83529411764705885, 0.24313725490196078 , 0.30980392156862746), + (0.95686274509803926, 0.42745098039215684 , 0.2627450980392157 ), + (0.99215686274509807, 0.68235294117647061 , 0.38039215686274508), + (0.99607843137254903, 0.8784313725490196 , 0.54509803921568623), + (1.0 , 1.0 , 0.74901960784313726), + (0.90196078431372551, 0.96078431372549022 , 0.59607843137254901), + (0.6705882352941176 , 0.8666666666666667 , 0.64313725490196083), + (0.4 , 0.76078431372549016 , 0.6470588235294118 ), + (0.19607843137254902, 0.53333333333333333 , 0.74117647058823533), + (0.36862745098039218, 0.30980392156862746 , 0.63529411764705879) + ) + +_YlGn_data = ( + (1.0 , 1.0 , 0.89803921568627454), + (0.96862745098039216, 0.9882352941176471 , 0.72549019607843135), + (0.85098039215686272, 0.94117647058823528 , 0.63921568627450975), + (0.67843137254901964, 0.8666666666666667 , 0.55686274509803924), + (0.47058823529411764, 0.77647058823529413 , 0.47450980392156861), + (0.25490196078431371, 0.6705882352941176 , 0.36470588235294116), + (0.13725490196078433, 0.51764705882352946 , 0.2627450980392157 ), + (0.0 , 0.40784313725490196 , 0.21568627450980393), + (0.0 , 0.27058823529411763 , 0.16078431372549021) + ) + +_YlGnBu_data = ( + (1.0 , 1.0 , 0.85098039215686272), + (0.92941176470588238, 0.97254901960784312 , 0.69411764705882351), + (0.7803921568627451 , 0.9137254901960784 , 0.70588235294117652), + (0.49803921568627452, 0.80392156862745101 , 0.73333333333333328), + (0.25490196078431371, 0.71372549019607845 , 0.7686274509803922 ), + (0.11372549019607843, 0.56862745098039214 , 0.75294117647058822), + (0.13333333333333333, 0.36862745098039218 , 0.6588235294117647 ), + (0.14509803921568629, 0.20392156862745098 , 0.58039215686274515), + (0.03137254901960784, 0.11372549019607843 , 0.34509803921568627) + ) + +_YlOrBr_data = ( + (1.0 , 1.0 , 0.89803921568627454), + (1.0 , 0.96862745098039216 , 0.73725490196078436), + (0.99607843137254903, 0.8901960784313725 , 0.56862745098039214), + (0.99607843137254903, 0.7686274509803922 , 0.30980392156862746), + (0.99607843137254903, 0.6 , 0.16078431372549021), + (0.92549019607843142, 0.4392156862745098 , 0.07843137254901961), + (0.8 , 0.29803921568627451 , 0.00784313725490196), + (0.6 , 0.20392156862745098 , 0.01568627450980392), + (0.4 , 0.14509803921568629 , 0.02352941176470588) + ) + +_YlOrRd_data = ( + (1.0 , 1.0 , 0.8 ), + (1.0 , 0.92941176470588238 , 0.62745098039215685), + (0.99607843137254903, 0.85098039215686272 , 0.46274509803921571), + (0.99607843137254903, 0.69803921568627447 , 0.29803921568627451), + (0.99215686274509807, 0.55294117647058827 , 0.23529411764705882), + (0.9882352941176471 , 0.30588235294117649 , 0.16470588235294117), + (0.8901960784313725 , 0.10196078431372549 , 0.10980392156862745), + (0.74117647058823533, 0.0 , 0.14901960784313725), + (0.50196078431372548, 0.0 , 0.14901960784313725) + ) + +# ColorBrewer's qualitative maps, implemented using ListedColormap +# for use with mpl.colors.NoNorm + +_Accent_data = ( + (0.49803921568627452, 0.78823529411764703, 0.49803921568627452), + (0.74509803921568629, 0.68235294117647061, 0.83137254901960789), + (0.99215686274509807, 0.75294117647058822, 0.52549019607843139), + (1.0, 1.0, 0.6 ), + (0.2196078431372549, 0.42352941176470588, 0.69019607843137254), + (0.94117647058823528, 0.00784313725490196, 0.49803921568627452), + (0.74901960784313726, 0.35686274509803922, 0.09019607843137254), + (0.4, 0.4, 0.4 ), + ) + +_Dark2_data = ( + (0.10588235294117647, 0.61960784313725492, 0.46666666666666667), + (0.85098039215686272, 0.37254901960784315, 0.00784313725490196), + (0.45882352941176469, 0.4392156862745098, 0.70196078431372544), + (0.90588235294117647, 0.16078431372549021, 0.54117647058823526), + (0.4, 0.65098039215686276, 0.11764705882352941), + (0.90196078431372551, 0.6705882352941176, 0.00784313725490196), + (0.65098039215686276, 0.46274509803921571, 0.11372549019607843), + (0.4, 0.4, 0.4 ), + ) + +# Okabe-Ito accessible and print-friendly color palette. +# By Masataka Okabe (Jikei Medical School) and Kei Ito (University of Tokyo). +# Qualitative color palette that is unambiguous regardless of whether +# the viewer has colorblindness. https://jfly.uni-koeln.de/color/#pallet + +_okabe_ito_data = ( + (0.0, 0.0, 0.0), # black + (0.9019607843137255, 0.6235294117647059, 0.0), # e69f00 + (0.33725490196078434, 0.7058823529411765, 0.9137254901960784), # 56b4e9 + (0.0, 0.6196078431372549, 0.45098039215686275), # 009e73 + (0.9411764705882353, 0.8941176470588236, 0.25882352941176473), # f0e442 + (0.0, 0.4470588235294118, 0.6980392156862745), # 0072b2 + (0.8352941176470589, 0.3686274509803922, 0.0), # d55e00 + (0.8, 0.4745098039215686, 0.6549019607843137), # cc79a7 +) + +_Paired_data = ( + (0.65098039215686276, 0.80784313725490198, 0.8901960784313725 ), + (0.12156862745098039, 0.47058823529411764, 0.70588235294117652), + (0.69803921568627447, 0.87450980392156863, 0.54117647058823526), + (0.2, 0.62745098039215685, 0.17254901960784313), + (0.98431372549019602, 0.60392156862745094, 0.6 ), + (0.8901960784313725, 0.10196078431372549, 0.10980392156862745), + (0.99215686274509807, 0.74901960784313726, 0.43529411764705883), + (1.0, 0.49803921568627452, 0.0 ), + (0.792156862745098, 0.69803921568627447, 0.83921568627450982), + (0.41568627450980394, 0.23921568627450981, 0.60392156862745094), + (1.0, 1.0, 0.6 ), + (0.69411764705882351, 0.34901960784313724, 0.15686274509803921), + ) + +_Pastel1_data = ( + (0.98431372549019602, 0.70588235294117652, 0.68235294117647061), + (0.70196078431372544, 0.80392156862745101, 0.8901960784313725 ), + (0.8, 0.92156862745098034, 0.77254901960784317), + (0.87058823529411766, 0.79607843137254897, 0.89411764705882357), + (0.99607843137254903, 0.85098039215686272, 0.65098039215686276), + (1.0, 1.0, 0.8 ), + (0.89803921568627454, 0.84705882352941175, 0.74117647058823533), + (0.99215686274509807, 0.85490196078431369, 0.92549019607843142), + (0.94901960784313721, 0.94901960784313721, 0.94901960784313721), + ) + +_Pastel2_data = ( + (0.70196078431372544, 0.88627450980392153, 0.80392156862745101), + (0.99215686274509807, 0.80392156862745101, 0.67450980392156867), + (0.79607843137254897, 0.83529411764705885, 0.90980392156862744), + (0.95686274509803926, 0.792156862745098, 0.89411764705882357), + (0.90196078431372551, 0.96078431372549022, 0.78823529411764703), + (1.0, 0.94901960784313721, 0.68235294117647061), + (0.94509803921568625, 0.88627450980392153, 0.8 ), + (0.8, 0.8, 0.8 ), + ) + +_Set1_data = ( + (0.89411764705882357, 0.10196078431372549, 0.10980392156862745), + (0.21568627450980393, 0.49411764705882355, 0.72156862745098038), + (0.30196078431372547, 0.68627450980392157, 0.29019607843137257), + (0.59607843137254901, 0.30588235294117649, 0.63921568627450975), + (1.0, 0.49803921568627452, 0.0 ), + (1.0, 1.0, 0.2 ), + (0.65098039215686276, 0.33725490196078434, 0.15686274509803921), + (0.96862745098039216, 0.50588235294117645, 0.74901960784313726), + (0.6, 0.6, 0.6), + ) + +_Set2_data = ( + (0.4, 0.76078431372549016, 0.6470588235294118 ), + (0.9882352941176471, 0.55294117647058827, 0.3843137254901961 ), + (0.55294117647058827, 0.62745098039215685, 0.79607843137254897), + (0.90588235294117647, 0.54117647058823526, 0.76470588235294112), + (0.65098039215686276, 0.84705882352941175, 0.32941176470588235), + (1.0, 0.85098039215686272, 0.18431372549019609), + (0.89803921568627454, 0.7686274509803922, 0.58039215686274515), + (0.70196078431372544, 0.70196078431372544, 0.70196078431372544), + ) + +_Set3_data = ( + (0.55294117647058827, 0.82745098039215681, 0.7803921568627451 ), + (1.0, 1.0, 0.70196078431372544), + (0.74509803921568629, 0.72941176470588232, 0.85490196078431369), + (0.98431372549019602, 0.50196078431372548, 0.44705882352941179), + (0.50196078431372548, 0.69411764705882351, 0.82745098039215681), + (0.99215686274509807, 0.70588235294117652, 0.3843137254901961 ), + (0.70196078431372544, 0.87058823529411766, 0.41176470588235292), + (0.9882352941176471, 0.80392156862745101, 0.89803921568627454), + (0.85098039215686272, 0.85098039215686272, 0.85098039215686272), + (0.73725490196078436, 0.50196078431372548, 0.74117647058823533), + (0.8, 0.92156862745098034, 0.77254901960784317), + (1.0, 0.92941176470588238, 0.43529411764705883), + ) + + +# The next 7 palettes are from the Yorick scientific visualization package, +# an evolution of the GIST package, both by David H. Munro. +# They are released under a BSD-like license (see LICENSE_YORICK in +# the license directory of the matplotlib source distribution). +# +# Most palette functions have been reduced to simple function descriptions +# by Reinier Heeres, since the rgb components were mostly straight lines. +# gist_earth_data and gist_ncar_data were simplified by a script and some +# manual effort. + +_gist_earth_data = { + 'red': ( + (0.0, 0.0, 0.0000), + (0.2824, 0.1882, 0.1882), + (0.4588, 0.2714, 0.2714), + (0.5490, 0.4719, 0.4719), + (0.6980, 0.7176, 0.7176), + (0.7882, 0.7553, 0.7553), + (1.0000, 0.9922, 0.9922), + ), + 'green': ( + (0.0, 0.0, 0.0000), + (0.0275, 0.0000, 0.0000), + (0.1098, 0.1893, 0.1893), + (0.1647, 0.3035, 0.3035), + (0.2078, 0.3841, 0.3841), + (0.2824, 0.5020, 0.5020), + (0.5216, 0.6397, 0.6397), + (0.6980, 0.7171, 0.7171), + (0.7882, 0.6392, 0.6392), + (0.7922, 0.6413, 0.6413), + (0.8000, 0.6447, 0.6447), + (0.8078, 0.6481, 0.6481), + (0.8157, 0.6549, 0.6549), + (0.8667, 0.6991, 0.6991), + (0.8745, 0.7103, 0.7103), + (0.8824, 0.7216, 0.7216), + (0.8902, 0.7323, 0.7323), + (0.8980, 0.7430, 0.7430), + (0.9412, 0.8275, 0.8275), + (0.9569, 0.8635, 0.8635), + (0.9647, 0.8816, 0.8816), + (0.9961, 0.9733, 0.9733), + (1.0000, 0.9843, 0.9843), + ), + 'blue': ( + (0.0, 0.0, 0.0000), + (0.0039, 0.1684, 0.1684), + (0.0078, 0.2212, 0.2212), + (0.0275, 0.4329, 0.4329), + (0.0314, 0.4549, 0.4549), + (0.2824, 0.5004, 0.5004), + (0.4667, 0.2748, 0.2748), + (0.5451, 0.3205, 0.3205), + (0.7843, 0.3961, 0.3961), + (0.8941, 0.6651, 0.6651), + (1.0000, 0.9843, 0.9843), + ) +} + +_gist_gray_data = { + 'red': gfunc[3], + 'green': gfunc[3], + 'blue': gfunc[3], +} + +def _gist_heat_red(x): return 1.5 * x +def _gist_heat_green(x): return 2 * x - 1 +def _gist_heat_blue(x): return 4 * x - 3 +_gist_heat_data = { + 'red': _gist_heat_red, 'green': _gist_heat_green, 'blue': _gist_heat_blue} + +_gist_ncar_data = { + 'red': ( + (0.0, 0.0, 0.0000), + (0.3098, 0.0000, 0.0000), + (0.3725, 0.3993, 0.3993), + (0.4235, 0.5003, 0.5003), + (0.5333, 1.0000, 1.0000), + (0.7922, 1.0000, 1.0000), + (0.8471, 0.6218, 0.6218), + (0.8980, 0.9235, 0.9235), + (1.0000, 0.9961, 0.9961), + ), + 'green': ( + (0.0, 0.0, 0.0000), + (0.0510, 0.3722, 0.3722), + (0.1059, 0.0000, 0.0000), + (0.1569, 0.7202, 0.7202), + (0.1608, 0.7537, 0.7537), + (0.1647, 0.7752, 0.7752), + (0.2157, 1.0000, 1.0000), + (0.2588, 0.9804, 0.9804), + (0.2706, 0.9804, 0.9804), + (0.3176, 1.0000, 1.0000), + (0.3686, 0.8081, 0.8081), + (0.4275, 1.0000, 1.0000), + (0.5216, 1.0000, 1.0000), + (0.6314, 0.7292, 0.7292), + (0.6863, 0.2796, 0.2796), + (0.7451, 0.0000, 0.0000), + (0.7922, 0.0000, 0.0000), + (0.8431, 0.1753, 0.1753), + (0.8980, 0.5000, 0.5000), + (1.0000, 0.9725, 0.9725), + ), + 'blue': ( + (0.0, 0.5020, 0.5020), + (0.0510, 0.0222, 0.0222), + (0.1098, 1.0000, 1.0000), + (0.2039, 1.0000, 1.0000), + (0.2627, 0.6145, 0.6145), + (0.3216, 0.0000, 0.0000), + (0.4157, 0.0000, 0.0000), + (0.4745, 0.2342, 0.2342), + (0.5333, 0.0000, 0.0000), + (0.5804, 0.0000, 0.0000), + (0.6314, 0.0549, 0.0549), + (0.6902, 0.0000, 0.0000), + (0.7373, 0.0000, 0.0000), + (0.7922, 0.9738, 0.9738), + (0.8000, 1.0000, 1.0000), + (0.8431, 1.0000, 1.0000), + (0.8980, 0.9341, 0.9341), + (1.0000, 0.9961, 0.9961), + ) +} + +_gist_rainbow_data = ( + (0.000, (1.00, 0.00, 0.16)), + (0.030, (1.00, 0.00, 0.00)), + (0.215, (1.00, 1.00, 0.00)), + (0.400, (0.00, 1.00, 0.00)), + (0.586, (0.00, 1.00, 1.00)), + (0.770, (0.00, 0.00, 1.00)), + (0.954, (1.00, 0.00, 1.00)), + (1.000, (1.00, 0.00, 0.75)) +) + +_gist_stern_data = { + 'red': ( + (0.000, 0.000, 0.000), (0.0547, 1.000, 1.000), + (0.250, 0.027, 0.250), # (0.2500, 0.250, 0.250), + (1.000, 1.000, 1.000)), + 'green': ((0, 0, 0), (1, 1, 1)), + 'blue': ( + (0.000, 0.000, 0.000), (0.500, 1.000, 1.000), + (0.735, 0.000, 0.000), (1.000, 1.000, 1.000)) +} + +def _gist_yarg(x): return 1 - x +_gist_yarg_data = {'red': _gist_yarg, 'green': _gist_yarg, 'blue': _gist_yarg} + +# This bipolar colormap was generated from CoolWarmFloat33.csv of +# "Diverging Color Maps for Scientific Visualization" by Kenneth Moreland. +# +_coolwarm_data = { + 'red': [ + (0.0, 0.2298057, 0.2298057), + (0.03125, 0.26623388, 0.26623388), + (0.0625, 0.30386891, 0.30386891), + (0.09375, 0.342804478, 0.342804478), + (0.125, 0.38301334, 0.38301334), + (0.15625, 0.424369608, 0.424369608), + (0.1875, 0.46666708, 0.46666708), + (0.21875, 0.509635204, 0.509635204), + (0.25, 0.552953156, 0.552953156), + (0.28125, 0.596262162, 0.596262162), + (0.3125, 0.639176211, 0.639176211), + (0.34375, 0.681291281, 0.681291281), + (0.375, 0.722193294, 0.722193294), + (0.40625, 0.761464949, 0.761464949), + (0.4375, 0.798691636, 0.798691636), + (0.46875, 0.833466556, 0.833466556), + (0.5, 0.865395197, 0.865395197), + (0.53125, 0.897787179, 0.897787179), + (0.5625, 0.924127593, 0.924127593), + (0.59375, 0.944468518, 0.944468518), + (0.625, 0.958852946, 0.958852946), + (0.65625, 0.96732803, 0.96732803), + (0.6875, 0.969954137, 0.969954137), + (0.71875, 0.966811177, 0.966811177), + (0.75, 0.958003065, 0.958003065), + (0.78125, 0.943660866, 0.943660866), + (0.8125, 0.923944917, 0.923944917), + (0.84375, 0.89904617, 0.89904617), + (0.875, 0.869186849, 0.869186849), + (0.90625, 0.834620542, 0.834620542), + (0.9375, 0.795631745, 0.795631745), + (0.96875, 0.752534934, 0.752534934), + (1.0, 0.705673158, 0.705673158)], + 'green': [ + (0.0, 0.298717966, 0.298717966), + (0.03125, 0.353094838, 0.353094838), + (0.0625, 0.406535296, 0.406535296), + (0.09375, 0.458757618, 0.458757618), + (0.125, 0.50941904, 0.50941904), + (0.15625, 0.558148092, 0.558148092), + (0.1875, 0.604562568, 0.604562568), + (0.21875, 0.648280772, 0.648280772), + (0.25, 0.688929332, 0.688929332), + (0.28125, 0.726149107, 0.726149107), + (0.3125, 0.759599947, 0.759599947), + (0.34375, 0.788964712, 0.788964712), + (0.375, 0.813952739, 0.813952739), + (0.40625, 0.834302879, 0.834302879), + (0.4375, 0.849786142, 0.849786142), + (0.46875, 0.860207984, 0.860207984), + (0.5, 0.86541021, 0.86541021), + (0.53125, 0.848937047, 0.848937047), + (0.5625, 0.827384882, 0.827384882), + (0.59375, 0.800927443, 0.800927443), + (0.625, 0.769767752, 0.769767752), + (0.65625, 0.734132809, 0.734132809), + (0.6875, 0.694266682, 0.694266682), + (0.71875, 0.650421156, 0.650421156), + (0.75, 0.602842431, 0.602842431), + (0.78125, 0.551750968, 0.551750968), + (0.8125, 0.49730856, 0.49730856), + (0.84375, 0.439559467, 0.439559467), + (0.875, 0.378313092, 0.378313092), + (0.90625, 0.312874446, 0.312874446), + (0.9375, 0.24128379, 0.24128379), + (0.96875, 0.157246067, 0.157246067), + (1.0, 0.01555616, 0.01555616)], + 'blue': [ + (0.0, 0.753683153, 0.753683153), + (0.03125, 0.801466763, 0.801466763), + (0.0625, 0.84495867, 0.84495867), + (0.09375, 0.883725899, 0.883725899), + (0.125, 0.917387822, 0.917387822), + (0.15625, 0.945619588, 0.945619588), + (0.1875, 0.968154911, 0.968154911), + (0.21875, 0.98478814, 0.98478814), + (0.25, 0.995375608, 0.995375608), + (0.28125, 0.999836203, 0.999836203), + (0.3125, 0.998151185, 0.998151185), + (0.34375, 0.990363227, 0.990363227), + (0.375, 0.976574709, 0.976574709), + (0.40625, 0.956945269, 0.956945269), + (0.4375, 0.931688648, 0.931688648), + (0.46875, 0.901068838, 0.901068838), + (0.5, 0.865395561, 0.865395561), + (0.53125, 0.820880546, 0.820880546), + (0.5625, 0.774508472, 0.774508472), + (0.59375, 0.726736146, 0.726736146), + (0.625, 0.678007945, 0.678007945), + (0.65625, 0.628751763, 0.628751763), + (0.6875, 0.579375448, 0.579375448), + (0.71875, 0.530263762, 0.530263762), + (0.75, 0.481775914, 0.481775914), + (0.78125, 0.434243684, 0.434243684), + (0.8125, 0.387970225, 0.387970225), + (0.84375, 0.343229596, 0.343229596), + (0.875, 0.300267182, 0.300267182), + (0.90625, 0.259301199, 0.259301199), + (0.9375, 0.220525627, 0.220525627), + (0.96875, 0.184115123, 0.184115123), + (1.0, 0.150232812, 0.150232812)] + } + +# Implementation of Carey Rappaport's CMRmap. +# See `A Color Map for Effective Black-and-White Rendering of Color-Scale +# Images' by Carey Rappaport +# https://www.mathworks.com/matlabcentral/fileexchange/2662-cmrmap-m +_CMRmap_data = {'red': ((0.000, 0.00, 0.00), + (0.125, 0.15, 0.15), + (0.250, 0.30, 0.30), + (0.375, 0.60, 0.60), + (0.500, 1.00, 1.00), + (0.625, 0.90, 0.90), + (0.750, 0.90, 0.90), + (0.875, 0.90, 0.90), + (1.000, 1.00, 1.00)), + 'green': ((0.000, 0.00, 0.00), + (0.125, 0.15, 0.15), + (0.250, 0.15, 0.15), + (0.375, 0.20, 0.20), + (0.500, 0.25, 0.25), + (0.625, 0.50, 0.50), + (0.750, 0.75, 0.75), + (0.875, 0.90, 0.90), + (1.000, 1.00, 1.00)), + 'blue': ((0.000, 0.00, 0.00), + (0.125, 0.50, 0.50), + (0.250, 0.75, 0.75), + (0.375, 0.50, 0.50), + (0.500, 0.15, 0.15), + (0.625, 0.00, 0.00), + (0.750, 0.10, 0.10), + (0.875, 0.50, 0.50), + (1.000, 1.00, 1.00))} + + +# An MIT licensed, colorblind-friendly heatmap from Wistia: +# https://github.com/wistia/heatmap-palette +# https://wistia.com/learn/culture/heatmaps-for-colorblindness +# +# >>> import matplotlib.colors as c +# >>> colors = ["#e4ff7a", "#ffe81a", "#ffbd00", "#ffa000", "#fc7f00"] +# >>> cm = c.LinearSegmentedColormap.from_list('wistia', colors) +# >>> _wistia_data = cm._segmentdata +# >>> del _wistia_data['alpha'] +# +_wistia_data = { + 'red': [(0.0, 0.8941176470588236, 0.8941176470588236), + (0.25, 1.0, 1.0), + (0.5, 1.0, 1.0), + (0.75, 1.0, 1.0), + (1.0, 0.9882352941176471, 0.9882352941176471)], + 'green': [(0.0, 1.0, 1.0), + (0.25, 0.9098039215686274, 0.9098039215686274), + (0.5, 0.7411764705882353, 0.7411764705882353), + (0.75, 0.6274509803921569, 0.6274509803921569), + (1.0, 0.4980392156862745, 0.4980392156862745)], + 'blue': [(0.0, 0.47843137254901963, 0.47843137254901963), + (0.25, 0.10196078431372549, 0.10196078431372549), + (0.5, 0.0, 0.0), + (0.75, 0.0, 0.0), + (1.0, 0.0, 0.0)], +} + + +# Categorical palettes from Vega: +# https://github.com/vega/vega/wiki/Scales +# (divided by 255) +# + +_tab10_data = ( + (0.12156862745098039, 0.4666666666666667, 0.7058823529411765 ), # 1f77b4 + (1.0, 0.4980392156862745, 0.054901960784313725), # ff7f0e + (0.17254901960784313, 0.6274509803921569, 0.17254901960784313 ), # 2ca02c + (0.8392156862745098, 0.15294117647058825, 0.1568627450980392 ), # d62728 + (0.5803921568627451, 0.403921568627451, 0.7411764705882353 ), # 9467bd + (0.5490196078431373, 0.33725490196078434, 0.29411764705882354 ), # 8c564b + (0.8901960784313725, 0.4666666666666667, 0.7607843137254902 ), # e377c2 + (0.4980392156862745, 0.4980392156862745, 0.4980392156862745 ), # 7f7f7f + (0.7372549019607844, 0.7411764705882353, 0.13333333333333333 ), # bcbd22 + (0.09019607843137255, 0.7450980392156863, 0.8117647058823529), # 17becf +) + +_tab20_data = ( + (0.12156862745098039, 0.4666666666666667, 0.7058823529411765 ), # 1f77b4 + (0.6823529411764706, 0.7803921568627451, 0.9098039215686274 ), # aec7e8 + (1.0, 0.4980392156862745, 0.054901960784313725), # ff7f0e + (1.0, 0.7333333333333333, 0.47058823529411764 ), # ffbb78 + (0.17254901960784313, 0.6274509803921569, 0.17254901960784313 ), # 2ca02c + (0.596078431372549, 0.8745098039215686, 0.5411764705882353 ), # 98df8a + (0.8392156862745098, 0.15294117647058825, 0.1568627450980392 ), # d62728 + (1.0, 0.596078431372549, 0.5882352941176471 ), # ff9896 + (0.5803921568627451, 0.403921568627451, 0.7411764705882353 ), # 9467bd + (0.7725490196078432, 0.6901960784313725, 0.8352941176470589 ), # c5b0d5 + (0.5490196078431373, 0.33725490196078434, 0.29411764705882354 ), # 8c564b + (0.7686274509803922, 0.611764705882353, 0.5803921568627451 ), # c49c94 + (0.8901960784313725, 0.4666666666666667, 0.7607843137254902 ), # e377c2 + (0.9686274509803922, 0.7137254901960784, 0.8235294117647058 ), # f7b6d2 + (0.4980392156862745, 0.4980392156862745, 0.4980392156862745 ), # 7f7f7f + (0.7803921568627451, 0.7803921568627451, 0.7803921568627451 ), # c7c7c7 + (0.7372549019607844, 0.7411764705882353, 0.13333333333333333 ), # bcbd22 + (0.8588235294117647, 0.8588235294117647, 0.5529411764705883 ), # dbdb8d + (0.09019607843137255, 0.7450980392156863, 0.8117647058823529 ), # 17becf + (0.6196078431372549, 0.8549019607843137, 0.8980392156862745), # 9edae5 +) + +_tab20b_data = ( + (0.2235294117647059, 0.23137254901960785, 0.4745098039215686 ), # 393b79 + (0.3215686274509804, 0.32941176470588235, 0.6392156862745098 ), # 5254a3 + (0.4196078431372549, 0.43137254901960786, 0.8117647058823529 ), # 6b6ecf + (0.611764705882353, 0.6196078431372549, 0.8705882352941177 ), # 9c9ede + (0.38823529411764707, 0.4745098039215686, 0.2235294117647059 ), # 637939 + (0.5490196078431373, 0.6352941176470588, 0.3215686274509804 ), # 8ca252 + (0.7098039215686275, 0.8117647058823529, 0.4196078431372549 ), # b5cf6b + (0.807843137254902, 0.8588235294117647, 0.611764705882353 ), # cedb9c + (0.5490196078431373, 0.42745098039215684, 0.19215686274509805), # 8c6d31 + (0.7411764705882353, 0.6196078431372549, 0.2235294117647059 ), # bd9e39 + (0.9058823529411765, 0.7294117647058823, 0.3215686274509804 ), # e7ba52 + (0.9058823529411765, 0.796078431372549, 0.5803921568627451 ), # e7cb94 + (0.5176470588235295, 0.23529411764705882, 0.2235294117647059 ), # 843c39 + (0.6784313725490196, 0.28627450980392155, 0.2901960784313726 ), # ad494a + (0.8392156862745098, 0.3803921568627451, 0.4196078431372549 ), # d6616b + (0.9058823529411765, 0.5882352941176471, 0.611764705882353 ), # e7969c + (0.4823529411764706, 0.2549019607843137, 0.45098039215686275), # 7b4173 + (0.6470588235294118, 0.3176470588235294, 0.5803921568627451 ), # a55194 + (0.807843137254902, 0.42745098039215684, 0.7411764705882353 ), # ce6dbd + (0.8705882352941177, 0.6196078431372549, 0.8392156862745098 ), # de9ed6 +) + +_tab20c_data = ( + (0.19215686274509805, 0.5098039215686274, 0.7411764705882353 ), # 3182bd + (0.4196078431372549, 0.6823529411764706, 0.8392156862745098 ), # 6baed6 + (0.6196078431372549, 0.792156862745098, 0.8823529411764706 ), # 9ecae1 + (0.7764705882352941, 0.8588235294117647, 0.9372549019607843 ), # c6dbef + (0.9019607843137255, 0.3333333333333333, 0.050980392156862744), # e6550d + (0.9921568627450981, 0.5529411764705883, 0.23529411764705882 ), # fd8d3c + (0.9921568627450981, 0.6823529411764706, 0.4196078431372549 ), # fdae6b + (0.9921568627450981, 0.8156862745098039, 0.6352941176470588 ), # fdd0a2 + (0.19215686274509805, 0.6392156862745098, 0.32941176470588235 ), # 31a354 + (0.4549019607843137, 0.7686274509803922, 0.4627450980392157 ), # 74c476 + (0.6313725490196078, 0.8509803921568627, 0.6078431372549019 ), # a1d99b + (0.7803921568627451, 0.9137254901960784, 0.7529411764705882 ), # c7e9c0 + (0.4588235294117647, 0.4196078431372549, 0.6941176470588235 ), # 756bb1 + (0.6196078431372549, 0.6039215686274509, 0.7843137254901961 ), # 9e9ac8 + (0.7372549019607844, 0.7411764705882353, 0.8627450980392157 ), # bcbddc + (0.8549019607843137, 0.8549019607843137, 0.9215686274509803 ), # dadaeb + (0.38823529411764707, 0.38823529411764707, 0.38823529411764707 ), # 636363 + (0.5882352941176471, 0.5882352941176471, 0.5882352941176471 ), # 969696 + (0.7411764705882353, 0.7411764705882353, 0.7411764705882353 ), # bdbdbd + (0.8509803921568627, 0.8509803921568627, 0.8509803921568627 ), # d9d9d9 +) + +# Colorblind accessible palettes from +# Matthew A. Petroff, Accessible Color Sequences for Data Visualization +# https://arxiv.org/abs/2107.02270 + +_petroff6_data = ( + (0.3411764705882353, 0.5647058823529412, 0.9882352941176471), # 5790fc + (0.9725490196078431, 0.611764705882353, 0.12549019607843137), # f89c20 + (0.8941176470588236, 0.1450980392156863, 0.21176470588235294), # e42536 + (0.5882352941176471, 0.2901960784313726, 0.5450980392156862), # 964a8b + (0.611764705882353, 0.611764705882353, 0.6313725490196078), # 9c9ca1 + (0.47843137254901963, 0.12941176470588237, 0.8666666666666667), # 7a21dd +) + +_petroff8_data = ( + (0.09411764705882353, 0.27058823529411763, 0.984313725490196), # 1845fb + (1.0, 0.3686274509803922, 0.00784313725490196), # ff5e02 + (0.788235294117647, 0.12156862745098039, 0.08627450980392157), # c91f16 + (0.7843137254901961, 0.28627450980392155, 0.6627450980392157), # c849a9 + (0.6784313725490196, 0.6784313725490196, 0.49019607843137253), # adad7d + (0.5254901960784314, 0.7843137254901961, 0.8666666666666667), # 86c8dd + (0.3411764705882353, 0.5529411764705883, 1.0), # 578dff + (0.396078431372549, 0.38823529411764707, 0.39215686274509803), # 656364 +) + +_petroff10_data = ( + (0.24705882352941178, 0.5647058823529412, 0.8549019607843137), # 3f90da + (1.0, 0.6627450980392157, 0.054901960784313725), # ffa90e + (0.7411764705882353, 0.12156862745098039, 0.00392156862745098), # bd1f01 + (0.5803921568627451, 0.6431372549019608, 0.6352941176470588), # 94a4a2 + (0.5137254901960784, 0.17647058823529413, 0.7137254901960784), # 832db6 + (0.6627450980392157, 0.4196078431372549, 0.34901960784313724), # a96b59 + (0.9058823529411765, 0.38823529411764707, 0.0), # e76300 + (0.7254901960784313, 0.6745098039215687, 0.4392156862745098), # b9ac70 + (0.44313725490196076, 0.4588235294117647, 0.5058823529411764), # 717581 + (0.5725490196078431, 0.8549019607843137, 0.8666666666666667), # 92dadd +) + + +datad = { + 'Blues': _Blues_data, + 'BrBG': _BrBG_data, + 'BuGn': _BuGn_data, + 'BuPu': _BuPu_data, + 'CMRmap': _CMRmap_data, + 'GnBu': _GnBu_data, + 'Greens': _Greens_data, + 'Greys': _Greys_data, + 'OrRd': _OrRd_data, + 'Oranges': _Oranges_data, + 'PRGn': _PRGn_data, + 'PiYG': _PiYG_data, + 'PuBu': _PuBu_data, + 'PuBuGn': _PuBuGn_data, + 'PuOr': _PuOr_data, + 'PuRd': _PuRd_data, + 'Purples': _Purples_data, + 'RdBu': _RdBu_data, + 'RdGy': _RdGy_data, + 'RdPu': _RdPu_data, + 'RdYlBu': _RdYlBu_data, + 'RdYlGn': _RdYlGn_data, + 'Reds': _Reds_data, + 'Spectral': _Spectral_data, + 'Wistia': _wistia_data, + 'YlGn': _YlGn_data, + 'YlGnBu': _YlGnBu_data, + 'YlOrBr': _YlOrBr_data, + 'YlOrRd': _YlOrRd_data, + 'afmhot': _afmhot_data, + 'autumn': _autumn_data, + 'binary': _binary_data, + 'bone': _bone_data, + 'brg': _brg_data, + 'bwr': _bwr_data, + 'cool': _cool_data, + 'coolwarm': _coolwarm_data, + 'copper': _copper_data, + 'cubehelix': _cubehelix_data, + 'flag': _flag_data, + 'gist_earth': _gist_earth_data, + 'gist_gray': _gist_gray_data, + 'gist_heat': _gist_heat_data, + 'gist_ncar': _gist_ncar_data, + 'gist_rainbow': _gist_rainbow_data, + 'gist_stern': _gist_stern_data, + 'gist_yarg': _gist_yarg_data, + 'gnuplot': _gnuplot_data, + 'gnuplot2': _gnuplot2_data, + 'gray': _gray_data, + 'hot': _hot_data, + 'hsv': _hsv_data, + 'jet': _jet_data, + 'nipy_spectral': _nipy_spectral_data, + 'ocean': _ocean_data, + 'pink': _pink_data, + 'prism': _prism_data, + 'rainbow': _rainbow_data, + 'seismic': _seismic_data, + 'spring': _spring_data, + 'summer': _summer_data, + 'terrain': _terrain_data, + 'winter': _winter_data, + # Qualitative + 'Accent': {'listed': _Accent_data}, + 'okabe_ito': {'listed': _okabe_ito_data}, + 'Dark2': {'listed': _Dark2_data}, + 'Paired': {'listed': _Paired_data}, + 'Pastel1': {'listed': _Pastel1_data}, + 'Pastel2': {'listed': _Pastel2_data}, + 'Set1': {'listed': _Set1_data}, + 'Set2': {'listed': _Set2_data}, + 'Set3': {'listed': _Set3_data}, + 'tab10': {'listed': _tab10_data}, + 'tab20': {'listed': _tab20_data}, + 'tab20b': {'listed': _tab20b_data}, + 'tab20c': {'listed': _tab20c_data}, +} diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_cm_bivar.py b/.venv/lib/python3.12/site-packages/matplotlib/_cm_bivar.py new file mode 100644 index 0000000000000000000000000000000000000000..688e243accda292081417ba7acd9a91913c3341f --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_cm_bivar.py @@ -0,0 +1,1288 @@ +import numpy as np +from matplotlib.colors import SegmentedBivarColormap + +# auto-generated by https://github.com/trygvrad/multivariate_colormaps +# date: 2024-05-24 +BiPeak = np.array( + [0.000, 0.674, 0.931, 0.000, 0.680, 0.922, 0.000, 0.685, 0.914, 0.000, + 0.691, 0.906, 0.000, 0.696, 0.898, 0.000, 0.701, 0.890, 0.000, 0.706, + 0.882, 0.000, 0.711, 0.875, 0.000, 0.715, 0.867, 0.000, 0.720, 0.860, + 0.000, 0.725, 0.853, 0.000, 0.729, 0.845, 0.000, 0.733, 0.838, 0.000, + 0.737, 0.831, 0.000, 0.741, 0.824, 0.000, 0.745, 0.816, 0.000, 0.749, + 0.809, 0.000, 0.752, 0.802, 0.000, 0.756, 0.794, 0.000, 0.759, 0.787, + 0.000, 0.762, 0.779, 0.000, 0.765, 0.771, 0.000, 0.767, 0.764, 0.000, + 0.770, 0.755, 0.000, 0.772, 0.747, 0.000, 0.774, 0.739, 0.000, 0.776, + 0.730, 0.000, 0.777, 0.721, 0.000, 0.779, 0.712, 0.021, 0.780, 0.702, + 0.055, 0.781, 0.693, 0.079, 0.782, 0.682, 0.097, 0.782, 0.672, 0.111, + 0.782, 0.661, 0.122, 0.782, 0.650, 0.132, 0.782, 0.639, 0.140, 0.781, + 0.627, 0.147, 0.781, 0.615, 0.154, 0.780, 0.602, 0.159, 0.778, 0.589, + 0.164, 0.777, 0.576, 0.169, 0.775, 0.563, 0.173, 0.773, 0.549, 0.177, + 0.771, 0.535, 0.180, 0.768, 0.520, 0.184, 0.766, 0.505, 0.187, 0.763, + 0.490, 0.190, 0.760, 0.474, 0.193, 0.756, 0.458, 0.196, 0.753, 0.442, + 0.200, 0.749, 0.425, 0.203, 0.745, 0.408, 0.206, 0.741, 0.391, 0.210, + 0.736, 0.373, 0.213, 0.732, 0.355, 0.216, 0.727, 0.337, 0.220, 0.722, + 0.318, 0.224, 0.717, 0.298, 0.227, 0.712, 0.278, 0.231, 0.707, 0.258, + 0.235, 0.701, 0.236, 0.239, 0.696, 0.214, 0.242, 0.690, 0.190, 0.246, + 0.684, 0.165, 0.250, 0.678, 0.136, 0.000, 0.675, 0.934, 0.000, 0.681, + 0.925, 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0.690, 0.957, 0.508, 0.678, 0.960, 0.508, 0.666, 0.962, + 0.507, 0.653, 0.965, 0.507, 0.640, 0.967, 0.505, 0.627, 0.968, 0.504, + 0.613, 0.970, 0.502, 0.599, 0.971, 0.500, 0.585, 0.972, 0.498, 0.570, + 0.973, 0.495, 0.555, 0.973, 0.493, 0.540, 0.973, 0.490, 0.525, 0.973, + 0.486, 0.509, 0.973, 0.483, 0.493, 0.972, 0.479, 0.476, 0.971, 0.475, + 0.460, 0.970, 0.471, 0.443, 0.969, 0.467, 0.426, 0.967, 0.463, 0.409, + 0.965, 0.458, 0.391, 0.963, 0.453, 0.374, 0.961, 0.449, 0.356, 0.958, + 0.444, 0.338, 0.956, 0.438, 0.319, 0.953, 0.433, 0.301, 0.949, 0.428, + 0.282, 0.946, 0.422, 0.263, 0.943, 0.417, 0.243, 0.939, 0.411, 0.223, + 0.935, 0.405, 0.202, 0.931, 0.399, 0.181, 0.927, 0.393, 0.158, 0.923, + 0.387, 0.134, 0.918, 0.381, 0.107, + ]).reshape((65, 65, 3)) + +BiOrangeBlue = np.array( + [0.0, 0.0, 0.0, 0.0, 0.5, 1.0, + 1.0, 0.5, 0.0, 1.0, 1.0, 1.0, + ]).reshape((2, 2, 3)) + +cmaps = { + "BiPeak": SegmentedBivarColormap( + BiPeak, 256, "square", (.5, .5), name="BiPeak"), + "BiOrangeBlue": SegmentedBivarColormap( + BiOrangeBlue, 256, "square", (0, 0), name="BiOrangeBlue"), + "BiCone": SegmentedBivarColormap(BiPeak, 256, "circle", (.5, .5), name="BiCone"), +} diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_cm_listed.py b/.venv/lib/python3.12/site-packages/matplotlib/_cm_listed.py new file mode 100644 index 0000000000000000000000000000000000000000..b90e0a23acb08a80a71e4911ee6e487f4a297bc4 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_cm_listed.py @@ -0,0 +1,2847 @@ +from .colors import ListedColormap + +_magma_data = [[0.001462, 0.000466, 0.013866], + [0.002258, 0.001295, 0.018331], + [0.003279, 0.002305, 0.023708], + [0.004512, 0.003490, 0.029965], + [0.005950, 0.004843, 0.037130], + [0.007588, 0.006356, 0.044973], + [0.009426, 0.008022, 0.052844], + [0.011465, 0.009828, 0.060750], + [0.013708, 0.011771, 0.068667], + [0.016156, 0.013840, 0.076603], + [0.018815, 0.016026, 0.084584], + [0.021692, 0.018320, 0.092610], + [0.024792, 0.020715, 0.100676], + [0.028123, 0.023201, 0.108787], + [0.031696, 0.025765, 0.116965], + [0.035520, 0.028397, 0.125209], + [0.039608, 0.031090, 0.133515], + [0.043830, 0.033830, 0.141886], + [0.048062, 0.036607, 0.150327], + [0.052320, 0.039407, 0.158841], + [0.056615, 0.042160, 0.167446], + [0.060949, 0.044794, 0.176129], + [0.065330, 0.047318, 0.184892], + [0.069764, 0.049726, 0.193735], + [0.074257, 0.052017, 0.202660], + [0.078815, 0.054184, 0.211667], + [0.083446, 0.056225, 0.220755], + [0.088155, 0.058133, 0.229922], + [0.092949, 0.059904, 0.239164], + [0.097833, 0.061531, 0.248477], + [0.102815, 0.063010, 0.257854], + [0.107899, 0.064335, 0.267289], + [0.113094, 0.065492, 0.276784], + [0.118405, 0.066479, 0.286321], + [0.123833, 0.067295, 0.295879], + [0.129380, 0.067935, 0.305443], + [0.135053, 0.068391, 0.315000], + [0.140858, 0.068654, 0.324538], + [0.146785, 0.068738, 0.334011], + [0.152839, 0.068637, 0.343404], + [0.159018, 0.068354, 0.352688], + [0.165308, 0.067911, 0.361816], + [0.171713, 0.067305, 0.370771], + [0.178212, 0.066576, 0.379497], + [0.184801, 0.065732, 0.387973], + [0.191460, 0.064818, 0.396152], + [0.198177, 0.063862, 0.404009], + [0.204935, 0.062907, 0.411514], + [0.211718, 0.061992, 0.418647], + [0.218512, 0.061158, 0.425392], + [0.225302, 0.060445, 0.431742], + [0.232077, 0.059889, 0.437695], + [0.238826, 0.059517, 0.443256], + [0.245543, 0.059352, 0.448436], + [0.252220, 0.059415, 0.453248], + [0.258857, 0.059706, 0.457710], + [0.265447, 0.060237, 0.461840], + [0.271994, 0.060994, 0.465660], + [0.278493, 0.061978, 0.469190], + [0.284951, 0.063168, 0.472451], + [0.291366, 0.064553, 0.475462], + [0.297740, 0.066117, 0.478243], + [0.304081, 0.067835, 0.480812], + [0.310382, 0.069702, 0.483186], + [0.316654, 0.071690, 0.485380], + [0.322899, 0.073782, 0.487408], + [0.329114, 0.075972, 0.489287], + [0.335308, 0.078236, 0.491024], + [0.341482, 0.080564, 0.492631], + [0.347636, 0.082946, 0.494121], + [0.353773, 0.085373, 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[0.36414, 0.52001, 0.75213], + [0.36649, 0.52627, 0.75689], + [0.36884, 0.53256, 0.76162], + [0.37119, 0.53889, 0.76633], + [0.37359, 0.54525, 0.77103], + [0.376, 0.55166, 0.77571], + [0.37842, 0.55809, 0.78037], + [0.38087, 0.56458, 0.78503], + [0.38333, 0.5711, 0.78966], + [0.38579, 0.57766, 0.79429], + [0.38828, 0.58426, 0.7989], + [0.39078, 0.59088, 0.8035], + [0.39329, 0.59755, 0.8081], + [0.39582, 0.60426, 0.81268], + [0.39835, 0.61099, 0.81725], + [0.4009, 0.61774, 0.82182], + [0.40344, 0.62454, 0.82637], + [0.406, 0.63137, 0.83092], + [0.40856, 0.63822, 0.83546], + [0.41114, 0.6451, 0.83999], + [0.41372, 0.65202, 0.84451], + [0.41631, 0.65896, 0.84903], + [0.4189, 0.66593, 0.85354], + [0.42149, 0.67294, 0.85805], + [0.4241, 0.67996, 0.86256], + [0.42671, 0.68702, 0.86705], + [0.42932, 0.69411, 0.87156], + [0.43195, 0.70123, 0.87606], + [0.43457, 0.70839, 0.88056], + [0.4372, 0.71557, 0.88506], + [0.43983, 0.72278, 0.88956], + [0.44248, 0.73004, 0.89407], + [0.44512, 0.73732, 0.89858], + [0.44776, 0.74464, 0.9031], + [0.45042, 0.752, 0.90763], + [0.45308, 0.75939, 0.91216], + [0.45574, 0.76682, 0.9167], + [0.45841, 0.77429, 0.92124], + [0.46109, 0.78181, 0.9258], + [0.46377, 0.78936, 0.93036], + [0.46645, 0.79694, 0.93494], + [0.46914, 0.80458, 0.93952], + [0.47183, 0.81224, 0.94412], + [0.47453, 0.81995, 0.94872], + [0.47721, 0.8277, 0.95334], + [0.47992, 0.83549, 0.95796], + [0.48261, 0.84331, 0.96259], + [0.4853, 0.85117, 0.96722], + [0.48801, 0.85906, 0.97186], + [0.49071, 0.86699, 0.97651], + [0.49339, 0.87495, 0.98116], + [0.49607, 0.88294, 0.98581], + [0.49877, 0.89096, 0.99047], + [0.50144, 0.89901, 0.99512], + [0.50411, 0.90708, 0.99978]] + +_vanimo_data = [ + [1, 0.80346, 0.99215], + [0.99397, 0.79197, 0.98374], + [0.98791, 0.78052, 0.97535], + [0.98185, 0.7691, 0.96699], + [0.97578, 0.75774, 0.95867], + [0.96971, 0.74643, 0.95037], + [0.96363, 0.73517, 0.94211], + [0.95755, 0.72397, 0.93389], + [0.95147, 0.71284, 0.9257], + [0.94539, 0.70177, 0.91756], + [0.93931, 0.69077, 0.90945], + [0.93322, 0.67984, 0.90137], + [0.92713, 0.66899, 0.89334], + [0.92104, 0.65821, 0.88534], + [0.91495, 0.64751, 0.87738], + [0.90886, 0.63689, 0.86946], + [0.90276, 0.62634, 0.86158], + [0.89666, 0.61588, 0.85372], + [0.89055, 0.60551, 0.84591], + [0.88444, 0.59522, 0.83813], + [0.87831, 0.58503, 0.83039], + [0.87219, 0.57491, 0.82268], + [0.86605, 0.5649, 0.815], + [0.8599, 0.55499, 0.80736], + [0.85373, 0.54517, 0.79974], + [0.84756, 0.53544, 0.79216], + [0.84138, 0.52583, 0.78461], + [0.83517, 0.5163, 0.77709], + [0.82896, 0.5069, 0.76959], + [0.82272, 0.49761, 0.76212], + [0.81647, 0.48841, 0.75469], + [0.81018, 0.47934, 0.74728], + [0.80389, 0.47038, 0.7399], + [0.79757, 0.46154, 0.73255], + [0.79123, 0.45283, 0.72522], + [0.78487, 0.44424, 0.71792], + [0.77847, 0.43578, 0.71064], + [0.77206, 0.42745, 0.70339], + [0.76562, 0.41925, 0.69617], + [0.75914, 0.41118, 0.68897], + [0.75264, 0.40327, 0.68179], + [0.74612, 0.39549, 0.67465], + 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0.19128, 0.4121], + [0.4645, 0.18639, 0.4029], + [0.45415, 0.18157, 0.39367], + [0.44376, 0.17688, 0.38441], + [0.43331, 0.17225, 0.37513], + [0.42282, 0.16773, 0.36585], + [0.41232, 0.16332, 0.35655], + [0.40178, 0.15897, 0.34726], + [0.39125, 0.15471, 0.33796], + [0.38071, 0.15058, 0.32869], + [0.37017, 0.14651, 0.31945], + [0.35969, 0.14258, 0.31025], + [0.34923, 0.13872, 0.30106], + [0.33883, 0.13499, 0.29196], + [0.32849, 0.13133, 0.28293], + [0.31824, 0.12778, 0.27396], + [0.30808, 0.12431, 0.26508], + [0.29805, 0.12097, 0.25631], + [0.28815, 0.11778, 0.24768], + [0.27841, 0.11462, 0.23916], + [0.26885, 0.11169, 0.23079], + [0.25946, 0.10877, 0.22259], + [0.25025, 0.10605, 0.21455], + [0.24131, 0.10341, 0.20673], + [0.23258, 0.10086, 0.19905], + [0.2241, 0.098494, 0.19163], + [0.21593, 0.096182, 0.18443], + [0.20799, 0.094098, 0.17748], + [0.20032, 0.092102, 0.17072], + [0.19299, 0.09021, 0.16425], + [0.18596, 0.088461, 0.15799], + [0.17918, 0.086861, 0.15197], + [0.17272, 0.08531, 0.14623], + [0.16658, 0.084017, 0.14075], + [0.1607, 0.082745, 0.13546], + [0.15515, 0.081683, 0.13049], + [0.1499, 0.080653, 0.1257], + [0.14493, 0.07978, 0.12112], + [0.1402, 0.079037, 0.11685], + [0.13578, 0.078426, 0.11282], + [0.13168, 0.077944, 0.10894], + [0.12782, 0.077586, 0.10529], + [0.12422, 0.077332, 0.1019], + [0.12091, 0.077161, 0.098724], + [0.11793, 0.077088, 0.095739], + [0.11512, 0.077124, 0.092921], + [0.11267, 0.077278, 0.090344], + [0.11042, 0.077557, 0.087858], + [0.10835, 0.077968, 0.085431], + [0.10665, 0.078516, 0.083233], + [0.105, 0.079207, 0.081185], + [0.10368, 0.080048, 0.079202], + [0.10245, 0.081036, 0.077408], + [0.10143, 0.082173, 0.075793], + [0.1006, 0.083343, 0.074344], + [0.099957, 0.084733, 0.073021], + [0.099492, 0.086174, 0.071799], + [0.099204, 0.087868, 0.070716], + [0.099092, 0.089631, 0.069813], + [0.099154, 0.091582, 0.069047], + [0.099384, 0.093597, 0.068337], + [0.099759, 0.095871, 0.067776], + [0.10029, 0.098368, 0.067351], + [0.10099, 0.101, 0.067056], + [0.10185, 0.1039, 0.066891], + [0.1029, 0.10702, 0.066853], + [0.10407, 0.11031, 0.066942], + [0.10543, 0.1138, 0.067155], + [0.10701, 0.1175, 0.067485], + [0.10866, 0.12142, 0.067929], + [0.11059, 0.12561, 0.06849], + [0.11265, 0.12998, 0.069162], + [0.11483, 0.13453, 0.069842], + [0.11725, 0.13923, 0.07061], + [0.11985, 0.14422, 0.071528], + [0.12259, 0.14937, 0.072403], + [0.12558, 0.15467, 0.073463], + [0.12867, 0.16015, 0.074429], + [0.13196, 0.16584, 0.075451], + [0.1354, 0.17169, 0.076499], + [0.13898, 0.17771, 0.077615], + [0.14273, 0.18382, 0.078814], + [0.14658, 0.1901, 0.080098], + [0.15058, 0.19654, 0.081473], + [0.15468, 0.20304, 0.08282], + [0.15891, 0.20968, 0.084315], + [0.16324, 0.21644, 0.085726], + [0.16764, 0.22326, 0.087378], + [0.17214, 0.23015, 0.088955], + [0.17673, 0.23717, 0.090617], + [0.18139, 0.24418, 0.092314], + [0.18615, 0.25132, 0.094071], + [0.19092, 0.25846, 0.095839], + [0.19578, 0.26567, 0.097702], + [0.20067, 0.2729, 0.099539], + [0.20564, 0.28016, 0.10144], + [0.21062, 0.28744, 0.10342], + [0.21565, 0.29475, 0.10534], + [0.22072, 0.30207, 0.10737], + [0.22579, 0.30942, 0.10942], + [0.23087, 0.31675, 0.11146], + [0.236, 0.32407, 0.11354], + [0.24112, 0.3314, 0.11563], + [0.24625, 0.33874, 0.11774], + [0.25142, 0.34605, 0.11988], + [0.25656, 0.35337, 0.12202], + [0.26171, 0.36065, 0.12422], + [0.26686, 0.36793, 0.12645], + [0.272, 0.37519, 0.12865], + [0.27717, 0.38242, 0.13092], + [0.28231, 0.38964, 0.13316], + [0.28741, 0.39682, 0.13541], + [0.29253, 0.40398, 0.13773], + [0.29763, 0.41111, 0.13998], + [0.30271, 0.4182, 0.14232], + [0.30778, 0.42527, 0.14466], + [0.31283, 0.43231, 0.14699], + [0.31787, 0.43929, 0.14937], + [0.32289, 0.44625, 0.15173], + [0.32787, 0.45318, 0.15414], + [0.33286, 0.46006, 0.1566], + [0.33781, 0.46693, 0.15904], + [0.34276, 0.47374, 0.16155], + [0.34769, 0.48054, 0.16407], + [0.3526, 0.48733, 0.16661], + [0.35753, 0.4941, 0.16923], + [0.36245, 0.50086, 0.17185], + [0.36738, 0.50764, 0.17458], + [0.37234, 0.51443, 0.17738], + [0.37735, 0.52125, 0.18022], + [0.38238, 0.52812, 0.18318], + [0.38746, 0.53505, 0.18626], + [0.39261, 0.54204, 0.18942], + [0.39783, 0.54911, 0.19272], + [0.40311, 0.55624, 0.19616], + [0.40846, 0.56348, 0.1997], + [0.4139, 0.57078, 0.20345], + [0.41942, 0.57819, 0.20734], + [0.42503, 0.5857, 0.2114], + [0.43071, 0.59329, 0.21565], + [0.43649, 0.60098, 0.22009], + [0.44237, 0.60878, 0.2247], + [0.44833, 0.61667, 0.22956], + [0.45439, 0.62465, 0.23468], + [0.46053, 0.63274, 0.23997], + [0.46679, 0.64092, 0.24553], + [0.47313, 0.64921, 0.25138], + [0.47959, 0.6576, 0.25745], + [0.48612, 0.66608, 0.26382], + [0.49277, 0.67466, 0.27047], + [0.49951, 0.68335, 0.2774], + [0.50636, 0.69213, 0.28464], + [0.51331, 0.70101, 0.2922], + [0.52035, 0.70998, 0.30008], + [0.5275, 0.71905, 0.30828], + [0.53474, 0.72821, 0.31682], + [0.54207, 0.73747, 0.32567], + [0.5495, 0.74682, 0.33491], + [0.55702, 0.75625, 0.34443], + [0.56461, 0.76577, 0.35434], + [0.5723, 0.77537, 0.36457], + [0.58006, 0.78506, 0.37515], + [0.58789, 0.79482, 0.38607], + [0.59581, 0.80465, 0.39734], + [0.60379, 0.81455, 0.40894], + [0.61182, 0.82453, 0.42086], + [0.61991, 0.83457, 0.43311], + [0.62805, 0.84467, 0.44566], + [0.63623, 0.85482, 0.45852], + [0.64445, 0.86503, 0.47168], + [0.6527, 0.8753, 0.48511], + [0.66099, 0.88562, 0.49882], + [0.6693, 0.89599, 0.51278], + [0.67763, 0.90641, 0.52699], + [0.68597, 0.91687, 0.54141], + [0.69432, 0.92738, 0.55605], + [0.70269, 0.93794, 0.5709], + [0.71107, 0.94855, 0.58593], + [0.71945, 0.9592, 0.60112], + [0.72782, 0.96989, 0.61646], + [0.7362, 0.98063, 0.63191], + [0.74458, 0.99141, 0.64748]] + +cmaps = { + name: ListedColormap(data, name=name) for name, data in [ + ('magma', _magma_data), + ('inferno', _inferno_data), + ('plasma', _plasma_data), + ('viridis', _viridis_data), + ('cividis', _cividis_data), + ('twilight', _twilight_data), + ('twilight_shifted', _twilight_shifted_data), + ('turbo', _turbo_data), + ('berlin', _berlin_data), + ('managua', _managua_data), + ('vanimo', _vanimo_data), + ]} diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_cm_multivar.py b/.venv/lib/python3.12/site-packages/matplotlib/_cm_multivar.py new file mode 100644 index 0000000000000000000000000000000000000000..610d7c40935b0999fe7de38515f316ce816023f7 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_cm_multivar.py @@ -0,0 +1,166 @@ +# auto-generated by https://github.com/trygvrad/multivariate_colormaps +# date: 2024-05-28 + +from .colors import LinearSegmentedColormap, MultivarColormap +import matplotlib as mpl +_LUTSIZE = mpl.rcParams['image.lut'] + +_2VarAddA0_data = [[0.000, 0.000, 0.000], + [0.020, 0.026, 0.031], + [0.049, 0.068, 0.085], + [0.075, 0.107, 0.135], + [0.097, 0.144, 0.183], + [0.116, 0.178, 0.231], + [0.133, 0.212, 0.279], + [0.148, 0.244, 0.326], + [0.161, 0.276, 0.374], + [0.173, 0.308, 0.422], + [0.182, 0.339, 0.471], + [0.190, 0.370, 0.521], + [0.197, 0.400, 0.572], + [0.201, 0.431, 0.623], + [0.204, 0.461, 0.675], + [0.204, 0.491, 0.728], + [0.202, 0.520, 0.783], + [0.197, 0.549, 0.838], + [0.187, 0.577, 0.895]] + +_2VarAddA1_data = [[0.000, 0.000, 0.000], + [0.030, 0.023, 0.018], + [0.079, 0.060, 0.043], + [0.125, 0.093, 0.065], + [0.170, 0.123, 0.083], + [0.213, 0.151, 0.098], + [0.255, 0.177, 0.110], + [0.298, 0.202, 0.120], + [0.341, 0.226, 0.128], + [0.384, 0.249, 0.134], + [0.427, 0.271, 0.138], + [0.472, 0.292, 0.141], + [0.517, 0.313, 0.142], + [0.563, 0.333, 0.141], + [0.610, 0.353, 0.139], + [0.658, 0.372, 0.134], + [0.708, 0.390, 0.127], + [0.759, 0.407, 0.118], + [0.813, 0.423, 0.105]] + +_2VarSubA0_data = [[1.000, 1.000, 1.000], + [0.959, 0.973, 0.986], + [0.916, 0.948, 0.974], + [0.874, 0.923, 0.965], + [0.832, 0.899, 0.956], + [0.790, 0.875, 0.948], + [0.748, 0.852, 0.940], + [0.707, 0.829, 0.934], + [0.665, 0.806, 0.927], + [0.624, 0.784, 0.921], + [0.583, 0.762, 0.916], + [0.541, 0.740, 0.910], + [0.500, 0.718, 0.905], + [0.457, 0.697, 0.901], + [0.414, 0.675, 0.896], + [0.369, 0.652, 0.892], + [0.320, 0.629, 0.888], + [0.266, 0.604, 0.884], + [0.199, 0.574, 0.881]] + +_2VarSubA1_data = [[1.000, 1.000, 1.000], + [0.982, 0.967, 0.955], + [0.966, 0.935, 0.908], + [0.951, 0.902, 0.860], + [0.937, 0.870, 0.813], + [0.923, 0.838, 0.765], + [0.910, 0.807, 0.718], + [0.898, 0.776, 0.671], + [0.886, 0.745, 0.624], + [0.874, 0.714, 0.577], + [0.862, 0.683, 0.530], + [0.851, 0.653, 0.483], + [0.841, 0.622, 0.435], + [0.831, 0.592, 0.388], + [0.822, 0.561, 0.340], + [0.813, 0.530, 0.290], + [0.806, 0.498, 0.239], + [0.802, 0.464, 0.184], + [0.801, 0.426, 0.119]] + +_3VarAddA0_data = [[0.000, 0.000, 0.000], + [0.018, 0.023, 0.028], + [0.040, 0.056, 0.071], + [0.059, 0.087, 0.110], + [0.074, 0.114, 0.147], + [0.086, 0.139, 0.183], + [0.095, 0.163, 0.219], + [0.101, 0.187, 0.255], + [0.105, 0.209, 0.290], + [0.107, 0.230, 0.326], + [0.105, 0.251, 0.362], + [0.101, 0.271, 0.398], + [0.091, 0.291, 0.434], + [0.075, 0.309, 0.471], + [0.046, 0.325, 0.507], + [0.021, 0.341, 0.546], + [0.021, 0.363, 0.584], + [0.022, 0.385, 0.622], + [0.023, 0.408, 0.661]] + +_3VarAddA1_data = [[0.000, 0.000, 0.000], + [0.020, 0.024, 0.016], + [0.047, 0.058, 0.034], + [0.072, 0.088, 0.048], + [0.093, 0.116, 0.059], + [0.113, 0.142, 0.067], + [0.131, 0.167, 0.071], + [0.149, 0.190, 0.074], + [0.166, 0.213, 0.074], + [0.182, 0.235, 0.072], + [0.198, 0.256, 0.068], + [0.215, 0.276, 0.061], + [0.232, 0.296, 0.051], + [0.249, 0.314, 0.037], + [0.270, 0.330, 0.018], + [0.288, 0.347, 0.000], + [0.302, 0.369, 0.000], + [0.315, 0.391, 0.000], + [0.328, 0.414, 0.000]] + +_3VarAddA2_data = [[0.000, 0.000, 0.000], + [0.029, 0.020, 0.023], + [0.072, 0.045, 0.055], + [0.111, 0.067, 0.084], + [0.148, 0.085, 0.109], + [0.184, 0.101, 0.133], + [0.219, 0.115, 0.155], + [0.254, 0.127, 0.176], + [0.289, 0.138, 0.195], + [0.323, 0.147, 0.214], + [0.358, 0.155, 0.232], + [0.393, 0.161, 0.250], + [0.429, 0.166, 0.267], + [0.467, 0.169, 0.283], + [0.507, 0.168, 0.298], + [0.546, 0.168, 0.313], + [0.580, 0.172, 0.328], + [0.615, 0.175, 0.341], + [0.649, 0.178, 0.355]] + +cmaps = { + name: LinearSegmentedColormap.from_list(name, data, _LUTSIZE) for name, data in [ + ('2VarAddA0', _2VarAddA0_data), + ('2VarAddA1', _2VarAddA1_data), + ('2VarSubA0', _2VarSubA0_data), + ('2VarSubA1', _2VarSubA1_data), + ('3VarAddA0', _3VarAddA0_data), + ('3VarAddA1', _3VarAddA1_data), + ('3VarAddA2', _3VarAddA2_data), + ]} + +cmap_families = { + '2VarAddA': MultivarColormap([cmaps[f'2VarAddA{i}'] for i in range(2)], + 'sRGB_add', name='2VarAddA'), + '2VarSubA': MultivarColormap([cmaps[f'2VarSubA{i}'] for i in range(2)], + 'sRGB_sub', name='2VarSubA'), + '3VarAddA': MultivarColormap([cmaps[f'3VarAddA{i}'] for i in range(3)], + 'sRGB_add', name='3VarAddA'), +} diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_color_data.py b/.venv/lib/python3.12/site-packages/matplotlib/_color_data.py new file mode 100644 index 0000000000000000000000000000000000000000..44f97adbb76aeaec2578cedfe60219a3278fd2ca --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_color_data.py @@ -0,0 +1,1141 @@ +BASE_COLORS = { + 'b': (0, 0, 1), # blue + 'g': (0, 0.5, 0), # green + 'r': (1, 0, 0), # red + 'c': (0, 0.75, 0.75), # cyan + 'm': (0.75, 0, 0.75), # magenta + 'y': (0.75, 0.75, 0), # yellow + 'k': (0, 0, 0), # black + 'w': (1, 1, 1), # white +} + + +# These colors are from Tableau +TABLEAU_COLORS = { + 'tab:blue': '#1f77b4', + 'tab:orange': '#ff7f0e', + 'tab:green': '#2ca02c', + 'tab:red': '#d62728', + 'tab:purple': '#9467bd', + 'tab:brown': '#8c564b', + 'tab:pink': '#e377c2', + 'tab:gray': '#7f7f7f', + 'tab:olive': '#bcbd22', + 'tab:cyan': '#17becf', +} + + +# This mapping of color names -> hex values is taken from +# a survey run by Randall Munroe see: +# https://blog.xkcd.com/2010/05/03/color-survey-results/ +# for more details. The results are hosted at +# https://xkcd.com/color/rgb/ +# and also available as a text file at +# https://xkcd.com/color/rgb.txt +# +# License: https://creativecommons.org/publicdomain/zero/1.0/ +XKCD_COLORS = { + 'cloudy blue': '#acc2d9', + 'dark pastel green': '#56ae57', + 'dust': '#b2996e', + 'electric lime': '#a8ff04', + 'fresh green': '#69d84f', + 'light eggplant': '#894585', + 'nasty green': '#70b23f', + 'really light blue': '#d4ffff', + 'tea': '#65ab7c', + 'warm purple': '#952e8f', + 'yellowish tan': '#fcfc81', + 'cement': '#a5a391', + 'dark grass green': '#388004', + 'dusty teal': '#4c9085', + 'grey teal': '#5e9b8a', + 'macaroni and cheese': '#efb435', + 'pinkish tan': '#d99b82', + 'spruce': '#0a5f38', + 'strong blue': '#0c06f7', + 'toxic green': '#61de2a', + 'windows blue': '#3778bf', + 'blue blue': '#2242c7', + 'blue with a hint of purple': '#533cc6', + 'booger': '#9bb53c', + 'bright sea green': '#05ffa6', + 'dark green blue': '#1f6357', + 'deep turquoise': '#017374', + 'green teal': '#0cb577', + 'strong pink': '#ff0789', + 'bland': '#afa88b', + 'deep aqua': '#08787f', + 'lavender pink': '#dd85d7', + 'light moss green': '#a6c875', + 'light seafoam green': '#a7ffb5', + 'olive yellow': '#c2b709', + 'pig pink': '#e78ea5', + 'deep lilac': '#966ebd', + 'desert': '#ccad60', + 'dusty lavender': '#ac86a8', + 'purpley grey': '#947e94', + 'purply': '#983fb2', + 'candy pink': '#ff63e9', + 'light pastel green': '#b2fba5', + 'boring green': '#63b365', + 'kiwi green': '#8ee53f', + 'light grey green': '#b7e1a1', + 'orange pink': '#ff6f52', + 'tea green': '#bdf8a3', + 'very light brown': '#d3b683', + 'egg shell': '#fffcc4', + 'eggplant purple': '#430541', + 'powder pink': '#ffb2d0', + 'reddish grey': '#997570', + 'baby shit brown': '#ad900d', + 'liliac': '#c48efd', + 'stormy blue': '#507b9c', + 'ugly brown': '#7d7103', + 'custard': '#fffd78', + 'darkish pink': '#da467d', + 'deep brown': '#410200', + 'greenish beige': '#c9d179', + 'manilla': '#fffa86', + 'off blue': '#5684ae', + 'battleship grey': '#6b7c85', + 'browny green': '#6f6c0a', + 'bruise': '#7e4071', + 'kelley green': '#009337', + 'sickly yellow': '#d0e429', + 'sunny yellow': '#fff917', + 'azul': '#1d5dec', + 'darkgreen': '#054907', + 'green/yellow': '#b5ce08', + 'lichen': '#8fb67b', + 'light light green': '#c8ffb0', + 'pale gold': '#fdde6c', + 'sun yellow': '#ffdf22', + 'tan green': '#a9be70', + 'burple': '#6832e3', + 'butterscotch': '#fdb147', + 'toupe': '#c7ac7d', + 'dark cream': '#fff39a', + 'indian red': '#850e04', + 'light lavendar': '#efc0fe', + 'poison green': '#40fd14', + 'baby puke green': '#b6c406', + 'bright yellow green': '#9dff00', + 'charcoal grey': '#3c4142', + 'squash': '#f2ab15', + 'cinnamon': '#ac4f06', + 'light pea green': '#c4fe82', + 'radioactive green': '#2cfa1f', + 'raw sienna': '#9a6200', + 'baby purple': '#ca9bf7', + 'cocoa': '#875f42', + 'light royal blue': '#3a2efe', + 'orangeish': '#fd8d49', + 'rust brown': '#8b3103', + 'sand brown': '#cba560', + 'swamp': '#698339', + 'tealish green': '#0cdc73', + 'burnt siena': '#b75203', + 'camo': '#7f8f4e', + 'dusk blue': '#26538d', + 'fern': '#63a950', + 'old rose': '#c87f89', + 'pale light green': '#b1fc99', + 'peachy pink': '#ff9a8a', + 'rosy pink': '#f6688e', + 'light bluish green': '#76fda8', + 'light bright green': '#53fe5c', + 'light neon green': '#4efd54', + 'light seafoam': '#a0febf', + 'tiffany blue': '#7bf2da', + 'washed out green': '#bcf5a6', + 'browny orange': '#ca6b02', + 'nice blue': '#107ab0', + 'sapphire': '#2138ab', + 'greyish teal': '#719f91', + 'orangey yellow': '#fdb915', + 'parchment': '#fefcaf', + 'straw': '#fcf679', + 'very dark brown': '#1d0200', + 'terracota': '#cb6843', + 'ugly blue': '#31668a', + 'clear blue': '#247afd', + 'creme': '#ffffb6', + 'foam green': '#90fda9', + 'grey/green': '#86a17d', + 'light gold': '#fddc5c', + 'seafoam blue': '#78d1b6', + 'topaz': '#13bbaf', + 'violet pink': '#fb5ffc', + 'wintergreen': '#20f986', + 'yellow tan': '#ffe36e', + 'dark fuchsia': '#9d0759', + 'indigo blue': '#3a18b1', + 'light yellowish green': '#c2ff89', + 'pale magenta': '#d767ad', + 'rich purple': '#720058', + 'sunflower yellow': '#ffda03', + 'green/blue': '#01c08d', + 'leather': '#ac7434', + 'racing green': '#014600', + 'vivid purple': '#9900fa', + 'dark royal blue': '#02066f', + 'hazel': '#8e7618', + 'muted pink': '#d1768f', + 'booger green': '#96b403', + 'canary': '#fdff63', + 'cool grey': '#95a3a6', + 'dark taupe': '#7f684e', + 'darkish purple': '#751973', + 'true green': '#089404', + 'coral pink': '#ff6163', + 'dark sage': '#598556', + 'dark slate blue': '#214761', + 'flat blue': '#3c73a8', + 'mushroom': '#ba9e88', + 'rich blue': '#021bf9', + 'dirty purple': '#734a65', + 'greenblue': '#23c48b', + 'icky green': '#8fae22', + 'light khaki': '#e6f2a2', + 'warm blue': '#4b57db', + 'dark hot pink': '#d90166', + 'deep sea blue': '#015482', + 'carmine': '#9d0216', + 'dark yellow green': '#728f02', + 'pale peach': '#ffe5ad', + 'plum purple': '#4e0550', + 'golden rod': '#f9bc08', + 'neon red': '#ff073a', + 'old pink': '#c77986', + 'very pale blue': '#d6fffe', + 'blood orange': '#fe4b03', + 'grapefruit': '#fd5956', + 'sand yellow': '#fce166', + 'clay brown': '#b2713d', + 'dark blue grey': '#1f3b4d', + 'flat green': '#699d4c', + 'light green blue': '#56fca2', + 'warm pink': '#fb5581', + 'dodger blue': '#3e82fc', + 'gross green': '#a0bf16', + 'ice': '#d6fffa', + 'metallic blue': '#4f738e', + 'pale salmon': '#ffb19a', + 'sap green': '#5c8b15', + 'algae': '#54ac68', + 'bluey grey': '#89a0b0', + 'greeny grey': '#7ea07a', + 'highlighter green': '#1bfc06', + 'light light blue': '#cafffb', + 'light mint': '#b6ffbb', + 'raw umber': '#a75e09', + 'vivid blue': '#152eff', + 'deep lavender': '#8d5eb7', + 'dull teal': '#5f9e8f', + 'light greenish blue': '#63f7b4', + 'mud green': '#606602', + 'pinky': '#fc86aa', + 'red wine': '#8c0034', + 'shit green': '#758000', + 'tan brown': '#ab7e4c', + 'darkblue': '#030764', + 'rosa': '#fe86a4', + 'lipstick': '#d5174e', + 'pale mauve': '#fed0fc', + 'claret': '#680018', + 'dandelion': '#fedf08', + 'orangered': '#fe420f', + 'poop green': '#6f7c00', + 'ruby': '#ca0147', + 'dark': '#1b2431', + 'greenish turquoise': '#00fbb0', + 'pastel red': '#db5856', + 'piss yellow': '#ddd618', + 'bright cyan': '#41fdfe', + 'dark coral': '#cf524e', + 'algae green': '#21c36f', + 'darkish red': '#a90308', + 'reddy brown': '#6e1005', + 'blush pink': '#fe828c', + 'camouflage green': '#4b6113', + 'lawn green': '#4da409', + 'putty': '#beae8a', + 'vibrant blue': '#0339f8', + 'dark sand': '#a88f59', + 'purple/blue': '#5d21d0', + 'saffron': '#feb209', + 'twilight': '#4e518b', + 'warm brown': '#964e02', + 'bluegrey': '#85a3b2', + 'bubble gum pink': '#ff69af', + 'duck egg blue': '#c3fbf4', + 'greenish cyan': '#2afeb7', + 'petrol': '#005f6a', + 'royal': '#0c1793', + 'butter': '#ffff81', + 'dusty orange': '#f0833a', + 'off yellow': '#f1f33f', + 'pale olive green': '#b1d27b', + 'orangish': '#fc824a', + 'leaf': '#71aa34', + 'light blue grey': '#b7c9e2', + 'dried blood': '#4b0101', + 'lightish purple': '#a552e6', + 'rusty red': '#af2f0d', + 'lavender blue': '#8b88f8', + 'light grass green': '#9af764', + 'light mint green': '#a6fbb2', + 'sunflower': '#ffc512', + 'velvet': '#750851', + 'brick orange': '#c14a09', + 'lightish red': '#fe2f4a', + 'pure blue': '#0203e2', + 'twilight blue': '#0a437a', + 'violet red': '#a50055', + 'yellowy brown': '#ae8b0c', + 'carnation': '#fd798f', + 'muddy yellow': '#bfac05', + 'dark seafoam green': '#3eaf76', + 'deep rose': '#c74767', + 'dusty red': '#b9484e', + 'grey/blue': '#647d8e', + 'lemon lime': '#bffe28', + 'purple/pink': '#d725de', + 'brown yellow': '#b29705', + 'purple brown': '#673a3f', + 'wisteria': '#a87dc2', + 'banana yellow': '#fafe4b', + 'lipstick red': '#c0022f', + 'water blue': '#0e87cc', + 'brown grey': '#8d8468', + 'vibrant purple': '#ad03de', + 'baby green': '#8cff9e', + 'barf green': '#94ac02', + 'eggshell blue': '#c4fff7', + 'sandy yellow': '#fdee73', + 'cool green': '#33b864', + 'pale': '#fff9d0', + 'blue/grey': '#758da3', + 'hot magenta': '#f504c9', + 'greyblue': '#77a1b5', + 'purpley': '#8756e4', + 'baby shit green': '#889717', + 'brownish pink': '#c27e79', + 'dark aquamarine': '#017371', + 'diarrhea': '#9f8303', + 'light mustard': '#f7d560', + 'pale sky blue': '#bdf6fe', + 'turtle green': '#75b84f', + 'bright olive': '#9cbb04', + 'dark grey blue': '#29465b', + 'greeny brown': '#696006', + 'lemon green': '#adf802', + 'light periwinkle': '#c1c6fc', + 'seaweed green': '#35ad6b', + 'sunshine yellow': '#fffd37', + 'ugly purple': '#a442a0', + 'medium pink': '#f36196', + 'puke brown': '#947706', + 'very light pink': '#fff4f2', + 'viridian': '#1e9167', + 'bile': '#b5c306', + 'faded yellow': '#feff7f', + 'very pale green': '#cffdbc', + 'vibrant green': '#0add08', + 'bright lime': '#87fd05', + 'spearmint': '#1ef876', + 'light aquamarine': '#7bfdc7', + 'light sage': '#bcecac', + 'yellowgreen': '#bbf90f', + 'baby poo': '#ab9004', + 'dark seafoam': '#1fb57a', + 'deep teal': '#00555a', + 'heather': '#a484ac', + 'rust orange': '#c45508', + 'dirty blue': '#3f829d', + 'fern green': '#548d44', + 'bright lilac': '#c95efb', + 'weird green': '#3ae57f', + 'peacock blue': '#016795', + 'avocado green': '#87a922', + 'faded orange': '#f0944d', + 'grape purple': '#5d1451', + 'hot green': '#25ff29', + 'lime yellow': '#d0fe1d', + 'mango': '#ffa62b', + 'shamrock': '#01b44c', + 'bubblegum': '#ff6cb5', + 'purplish brown': '#6b4247', + 'vomit yellow': '#c7c10c', + 'pale cyan': '#b7fffa', + 'key lime': '#aeff6e', + 'tomato red': '#ec2d01', + 'lightgreen': '#76ff7b', + 'merlot': '#730039', + 'night blue': '#040348', + 'purpleish pink': '#df4ec8', + 'apple': '#6ecb3c', + 'baby poop green': '#8f9805', + 'green apple': '#5edc1f', + 'heliotrope': '#d94ff5', + 'yellow/green': '#c8fd3d', + 'almost black': '#070d0d', + 'cool blue': '#4984b8', + 'leafy green': '#51b73b', + 'mustard brown': '#ac7e04', + 'dusk': '#4e5481', + 'dull brown': '#876e4b', + 'frog green': '#58bc08', + 'vivid green': '#2fef10', + 'bright light green': '#2dfe54', + 'fluro green': '#0aff02', + 'kiwi': '#9cef43', + 'seaweed': '#18d17b', + 'navy green': '#35530a', + 'ultramarine blue': '#1805db', + 'iris': '#6258c4', + 'pastel orange': '#ff964f', + 'yellowish orange': '#ffab0f', + 'perrywinkle': '#8f8ce7', + 'tealish': '#24bca8', + 'dark plum': '#3f012c', + 'pear': '#cbf85f', + 'pinkish orange': '#ff724c', + 'midnight purple': '#280137', + 'light urple': '#b36ff6', + 'dark mint': '#48c072', + 'greenish tan': '#bccb7a', + 'light burgundy': '#a8415b', + 'turquoise blue': '#06b1c4', + 'ugly pink': '#cd7584', + 'sandy': '#f1da7a', + 'electric pink': '#ff0490', + 'muted purple': '#805b87', + 'mid green': '#50a747', + 'greyish': '#a8a495', + 'neon yellow': '#cfff04', + 'banana': '#ffff7e', + 'carnation pink': '#ff7fa7', + 'tomato': '#ef4026', + 'sea': '#3c9992', + 'muddy brown': '#886806', + 'turquoise green': '#04f489', + 'buff': '#fef69e', + 'fawn': '#cfaf7b', + 'muted blue': '#3b719f', + 'pale rose': '#fdc1c5', + 'dark mint green': '#20c073', + 'amethyst': '#9b5fc0', + 'blue/green': '#0f9b8e', + 'chestnut': '#742802', + 'sick green': '#9db92c', + 'pea': '#a4bf20', + 'rusty orange': '#cd5909', + 'stone': '#ada587', + 'rose red': '#be013c', + 'pale aqua': '#b8ffeb', + 'deep orange': '#dc4d01', + 'earth': '#a2653e', + 'mossy green': '#638b27', + 'grassy green': '#419c03', + 'pale lime green': '#b1ff65', + 'light grey blue': '#9dbcd4', + 'pale grey': '#fdfdfe', + 'asparagus': '#77ab56', + 'blueberry': '#464196', + 'purple red': '#990147', + 'pale lime': '#befd73', + 'greenish teal': '#32bf84', + 'caramel': '#af6f09', + 'deep magenta': '#a0025c', + 'light peach': '#ffd8b1', + 'milk chocolate': '#7f4e1e', + 'ocher': '#bf9b0c', + 'off green': '#6ba353', + 'purply pink': '#f075e6', + 'lightblue': '#7bc8f6', + 'dusky blue': '#475f94', + 'golden': '#f5bf03', + 'light beige': '#fffeb6', + 'butter yellow': '#fffd74', + 'dusky purple': '#895b7b', + 'french blue': '#436bad', + 'ugly yellow': '#d0c101', + 'greeny yellow': '#c6f808', + 'orangish red': '#f43605', + 'shamrock green': '#02c14d', + 'orangish brown': '#b25f03', + 'tree green': '#2a7e19', + 'deep violet': '#490648', + 'gunmetal': '#536267', + 'blue/purple': '#5a06ef', + 'cherry': '#cf0234', + 'sandy brown': '#c4a661', + 'warm grey': '#978a84', + 'dark indigo': '#1f0954', + 'midnight': '#03012d', + 'bluey green': '#2bb179', + 'grey pink': '#c3909b', + 'soft purple': '#a66fb5', + 'blood': '#770001', + 'brown red': '#922b05', + 'medium grey': '#7d7f7c', + 'berry': '#990f4b', + 'poo': '#8f7303', + 'purpley pink': '#c83cb9', + 'light salmon': '#fea993', + 'snot': '#acbb0d', + 'easter purple': '#c071fe', + 'light yellow green': '#ccfd7f', + 'dark navy blue': '#00022e', + 'drab': '#828344', + 'light rose': '#ffc5cb', + 'rouge': '#ab1239', + 'purplish red': '#b0054b', + 'slime green': '#99cc04', + 'baby poop': '#937c00', + 'irish green': '#019529', + 'pink/purple': '#ef1de7', + 'dark navy': '#000435', + 'greeny blue': '#42b395', + 'light plum': '#9d5783', + 'pinkish grey': '#c8aca9', + 'dirty orange': '#c87606', + 'rust red': '#aa2704', + 'pale lilac': '#e4cbff', + 'orangey red': '#fa4224', + 'primary blue': '#0804f9', + 'kermit green': '#5cb200', + 'brownish purple': '#76424e', + 'murky green': '#6c7a0e', + 'wheat': '#fbdd7e', + 'very dark purple': '#2a0134', + 'bottle green': '#044a05', + 'watermelon': '#fd4659', + 'deep sky blue': '#0d75f8', + 'fire engine red': '#fe0002', + 'yellow ochre': '#cb9d06', + 'pumpkin orange': '#fb7d07', + 'pale olive': '#b9cc81', + 'light lilac': '#edc8ff', + 'lightish green': '#61e160', + 'carolina blue': '#8ab8fe', + 'mulberry': '#920a4e', + 'shocking pink': '#fe02a2', + 'auburn': '#9a3001', + 'bright lime green': '#65fe08', + 'celadon': '#befdb7', + 'pinkish brown': '#b17261', + 'poo brown': '#885f01', + 'bright sky blue': '#02ccfe', + 'celery': '#c1fd95', + 'dirt brown': '#836539', + 'strawberry': '#fb2943', + 'dark lime': '#84b701', + 'copper': '#b66325', + 'medium brown': '#7f5112', + 'muted green': '#5fa052', + "robin's egg": '#6dedfd', + 'bright aqua': '#0bf9ea', + 'bright lavender': '#c760ff', + 'ivory': '#ffffcb', + 'very light purple': '#f6cefc', + 'light navy': '#155084', + 'pink red': '#f5054f', + 'olive brown': '#645403', + 'poop brown': '#7a5901', + 'mustard green': '#a8b504', + 'ocean green': '#3d9973', + 'very dark blue': '#000133', + 'dusty green': '#76a973', + 'light navy blue': '#2e5a88', + 'minty green': '#0bf77d', + 'adobe': '#bd6c48', + 'barney': '#ac1db8', + 'jade green': '#2baf6a', + 'bright light blue': '#26f7fd', + 'light lime': '#aefd6c', + 'dark khaki': '#9b8f55', + 'orange yellow': '#ffad01', + 'ocre': '#c69c04', + 'maize': '#f4d054', + 'faded pink': '#de9dac', + 'british racing green': '#05480d', + 'sandstone': '#c9ae74', + 'mud brown': '#60460f', + 'light sea green': '#98f6b0', + 'robin egg blue': '#8af1fe', + 'aqua marine': '#2ee8bb', + 'dark sea green': '#11875d', + 'soft pink': '#fdb0c0', + 'orangey brown': '#b16002', + 'cherry red': '#f7022a', + 'burnt yellow': '#d5ab09', + 'brownish grey': '#86775f', + 'camel': '#c69f59', + 'purplish grey': '#7a687f', + 'marine': '#042e60', + 'greyish pink': '#c88d94', + 'pale turquoise': '#a5fbd5', + 'pastel yellow': '#fffe71', + 'bluey purple': '#6241c7', + 'canary yellow': '#fffe40', + 'faded red': '#d3494e', + 'sepia': '#985e2b', + 'coffee': '#a6814c', + 'bright magenta': '#ff08e8', + 'mocha': '#9d7651', + 'ecru': '#feffca', + 'purpleish': '#98568d', + 'cranberry': '#9e003a', + 'darkish green': '#287c37', + 'brown orange': '#b96902', + 'dusky rose': '#ba6873', + 'melon': '#ff7855', + 'sickly green': '#94b21c', + 'silver': '#c5c9c7', + 'purply blue': '#661aee', + 'purpleish blue': '#6140ef', + 'hospital green': '#9be5aa', + 'shit brown': '#7b5804', + 'mid blue': '#276ab3', + 'amber': '#feb308', + 'easter green': '#8cfd7e', + 'soft blue': '#6488ea', + 'cerulean blue': '#056eee', + 'golden brown': '#b27a01', + 'bright turquoise': '#0ffef9', + 'red pink': '#fa2a55', + 'red purple': '#820747', + 'greyish brown': '#7a6a4f', + 'vermillion': '#f4320c', + 'russet': '#a13905', + 'steel grey': '#6f828a', + 'lighter purple': '#a55af4', + 'bright violet': '#ad0afd', + 'prussian blue': '#004577', + 'slate green': '#658d6d', + 'dirty pink': '#ca7b80', + 'dark blue green': '#005249', + 'pine': '#2b5d34', + 'yellowy green': '#bff128', + 'dark gold': '#b59410', + 'bluish': '#2976bb', + 'darkish blue': '#014182', + 'dull red': '#bb3f3f', + 'pinky red': '#fc2647', + 'bronze': '#a87900', + 'pale teal': '#82cbb2', + 'military green': '#667c3e', + 'barbie pink': '#fe46a5', + 'bubblegum pink': '#fe83cc', + 'pea soup green': '#94a617', + 'dark mustard': '#a88905', + 'shit': '#7f5f00', + 'medium purple': '#9e43a2', + 'very dark green': '#062e03', + 'dirt': '#8a6e45', + 'dusky pink': '#cc7a8b', + 'red violet': '#9e0168', + 'lemon yellow': '#fdff38', + 'pistachio': '#c0fa8b', + 'dull yellow': '#eedc5b', + 'dark lime green': '#7ebd01', + 'denim blue': '#3b5b92', + 'teal blue': '#01889f', + 'lightish blue': '#3d7afd', + 'purpley blue': '#5f34e7', + 'light indigo': '#6d5acf', + 'swamp green': '#748500', + 'brown green': '#706c11', + 'dark maroon': '#3c0008', + 'hot purple': '#cb00f5', + 'dark forest green': '#002d04', + 'faded blue': '#658cbb', + 'drab green': '#749551', + 'light lime green': '#b9ff66', + 'snot green': '#9dc100', + 'yellowish': '#faee66', + 'light blue green': '#7efbb3', + 'bordeaux': '#7b002c', + 'light mauve': '#c292a1', + 'ocean': '#017b92', + 'marigold': '#fcc006', + 'muddy green': '#657432', + 'dull orange': '#d8863b', + 'steel': '#738595', + 'electric purple': '#aa23ff', + 'fluorescent green': '#08ff08', + 'yellowish brown': '#9b7a01', + 'blush': '#f29e8e', + 'soft green': '#6fc276', + 'bright orange': '#ff5b00', + 'lemon': '#fdff52', + 'purple grey': '#866f85', + 'acid green': '#8ffe09', + 'pale lavender': '#eecffe', + 'violet blue': '#510ac9', + 'light forest green': '#4f9153', + 'burnt red': '#9f2305', + 'khaki green': '#728639', + 'cerise': '#de0c62', + 'faded purple': '#916e99', + 'apricot': '#ffb16d', + 'dark olive green': '#3c4d03', + 'grey brown': '#7f7053', + 'green grey': '#77926f', + 'true blue': '#010fcc', + 'pale violet': '#ceaefa', + 'periwinkle blue': '#8f99fb', + 'light sky blue': '#c6fcff', + 'blurple': '#5539cc', + 'green brown': '#544e03', + 'bluegreen': '#017a79', + 'bright teal': '#01f9c6', + 'brownish yellow': '#c9b003', + 'pea soup': '#929901', + 'forest': '#0b5509', + 'barney purple': '#a00498', + 'ultramarine': '#2000b1', + 'purplish': '#94568c', + 'puke yellow': '#c2be0e', + 'bluish grey': '#748b97', + 'dark periwinkle': '#665fd1', + 'dark lilac': '#9c6da5', + 'reddish': '#c44240', + 'light maroon': '#a24857', + 'dusty purple': '#825f87', + 'terra cotta': '#c9643b', + 'avocado': '#90b134', + 'marine blue': '#01386a', + 'teal green': '#25a36f', + 'slate grey': '#59656d', + 'lighter green': '#75fd63', + 'electric green': '#21fc0d', + 'dusty blue': '#5a86ad', + 'golden yellow': '#fec615', + 'bright yellow': '#fffd01', + 'light lavender': '#dfc5fe', + 'umber': '#b26400', + 'poop': '#7f5e00', + 'dark peach': '#de7e5d', + 'jungle green': '#048243', + 'eggshell': '#ffffd4', + 'denim': '#3b638c', + 'yellow brown': '#b79400', + 'dull purple': '#84597e', + 'chocolate brown': '#411900', + 'wine red': '#7b0323', + 'neon blue': '#04d9ff', + 'dirty green': '#667e2c', + 'light tan': '#fbeeac', + 'ice blue': '#d7fffe', + 'cadet blue': '#4e7496', + 'dark mauve': '#874c62', + 'very light blue': '#d5ffff', + 'grey purple': '#826d8c', + 'pastel pink': '#ffbacd', + 'very light green': '#d1ffbd', + 'dark sky blue': '#448ee4', + 'evergreen': '#05472a', + 'dull pink': '#d5869d', + 'aubergine': '#3d0734', + 'mahogany': '#4a0100', + 'reddish orange': '#f8481c', + 'deep green': '#02590f', + 'vomit green': '#89a203', + 'purple pink': '#e03fd8', + 'dusty pink': '#d58a94', + 'faded green': '#7bb274', + 'camo green': '#526525', + 'pinky purple': '#c94cbe', + 'pink purple': '#db4bda', + 'brownish red': '#9e3623', + 'dark rose': '#b5485d', + 'mud': '#735c12', + 'brownish': '#9c6d57', + 'emerald green': '#028f1e', + 'pale brown': '#b1916e', + 'dull blue': '#49759c', + 'burnt umber': '#a0450e', + 'medium green': '#39ad48', + 'clay': '#b66a50', + 'light aqua': '#8cffdb', + 'light olive green': '#a4be5c', + 'brownish orange': '#cb7723', + 'dark aqua': '#05696b', + 'purplish pink': '#ce5dae', + 'dark salmon': '#c85a53', + 'greenish grey': '#96ae8d', + 'jade': '#1fa774', + 'ugly green': '#7a9703', + 'dark beige': '#ac9362', + 'emerald': '#01a049', + 'pale red': '#d9544d', + 'light magenta': '#fa5ff7', + 'sky': '#82cafc', + 'light cyan': '#acfffc', + 'yellow orange': '#fcb001', + 'reddish purple': '#910951', + 'reddish pink': '#fe2c54', + 'orchid': '#c875c4', + 'dirty yellow': '#cdc50a', + 'orange red': '#fd411e', + 'deep red': '#9a0200', + 'orange brown': '#be6400', + 'cobalt blue': '#030aa7', + 'neon pink': '#fe019a', + 'rose pink': '#f7879a', + 'greyish purple': '#887191', + 'raspberry': '#b00149', + 'aqua green': '#12e193', + 'salmon pink': '#fe7b7c', + 'tangerine': '#ff9408', + 'brownish green': '#6a6e09', + 'red brown': '#8b2e16', + 'greenish brown': '#696112', + 'pumpkin': '#e17701', + 'pine green': '#0a481e', + 'charcoal': '#343837', + 'baby pink': '#ffb7ce', + 'cornflower': '#6a79f7', + 'blue violet': '#5d06e9', + 'chocolate': '#3d1c02', + 'greyish green': '#82a67d', + 'scarlet': '#be0119', + 'green yellow': '#c9ff27', + 'dark olive': '#373e02', + 'sienna': '#a9561e', + 'pastel purple': '#caa0ff', + 'terracotta': '#ca6641', + 'aqua blue': '#02d8e9', + 'sage green': '#88b378', + 'blood red': '#980002', + 'deep pink': '#cb0162', + 'grass': '#5cac2d', + 'moss': '#769958', + 'pastel blue': '#a2bffe', + 'bluish green': '#10a674', + 'green blue': '#06b48b', + 'dark tan': '#af884a', + 'greenish blue': '#0b8b87', + 'pale orange': '#ffa756', + 'vomit': '#a2a415', + 'forrest green': '#154406', + 'dark lavender': '#856798', + 'dark violet': '#34013f', + 'purple blue': '#632de9', + 'dark cyan': '#0a888a', + 'olive drab': '#6f7632', + 'pinkish': '#d46a7e', + 'cobalt': '#1e488f', + 'neon purple': '#bc13fe', + 'light turquoise': '#7ef4cc', + 'apple green': '#76cd26', + 'dull green': '#74a662', + 'wine': '#80013f', + 'powder blue': '#b1d1fc', + 'off white': '#ffffe4', + 'electric blue': '#0652ff', + 'dark turquoise': '#045c5a', + 'blue purple': '#5729ce', + 'azure': '#069af3', + 'bright red': '#ff000d', + 'pinkish red': '#f10c45', + 'cornflower blue': '#5170d7', + 'light olive': '#acbf69', + 'grape': '#6c3461', + 'greyish blue': '#5e819d', + 'purplish blue': '#601ef9', + 'yellowish green': '#b0dd16', + 'greenish yellow': '#cdfd02', + 'medium blue': '#2c6fbb', + 'dusty rose': '#c0737a', + 'light violet': '#d6b4fc', + 'midnight blue': '#020035', + 'bluish purple': '#703be7', + 'red orange': '#fd3c06', + 'dark magenta': '#960056', + 'greenish': '#40a368', + 'ocean blue': '#03719c', + 'coral': '#fc5a50', + 'cream': '#ffffc2', + 'reddish brown': '#7f2b0a', + 'burnt sienna': '#b04e0f', + 'brick': '#a03623', + 'sage': '#87ae73', + 'grey green': '#789b73', + 'white': '#ffffff', + "robin's egg blue": '#98eff9', + 'moss green': '#658b38', + 'steel blue': '#5a7d9a', + 'eggplant': '#380835', + 'light yellow': '#fffe7a', + 'leaf green': '#5ca904', + 'light grey': '#d8dcd6', + 'puke': '#a5a502', + 'pinkish purple': '#d648d7', + 'sea blue': '#047495', + 'pale purple': '#b790d4', + 'slate blue': '#5b7c99', + 'blue grey': '#607c8e', + 'hunter green': '#0b4008', + 'fuchsia': '#ed0dd9', + 'crimson': '#8c000f', + 'pale yellow': '#ffff84', + 'ochre': '#bf9005', + 'mustard yellow': '#d2bd0a', + 'light red': '#ff474c', + 'cerulean': '#0485d1', + 'pale pink': '#ffcfdc', + 'deep blue': '#040273', + 'rust': '#a83c09', + 'light teal': '#90e4c1', + 'slate': '#516572', + 'goldenrod': '#fac205', + 'dark yellow': '#d5b60a', + 'dark grey': '#363737', + 'army green': '#4b5d16', + 'grey blue': '#6b8ba4', + 'seafoam': '#80f9ad', + 'puce': '#a57e52', + 'spring green': '#a9f971', + 'dark orange': '#c65102', + 'sand': '#e2ca76', + 'pastel green': '#b0ff9d', + 'mint': '#9ffeb0', + 'light orange': '#fdaa48', + 'bright pink': '#fe01b1', + 'chartreuse': '#c1f80a', + 'deep purple': '#36013f', + 'dark brown': '#341c02', + 'taupe': '#b9a281', + 'pea green': '#8eab12', + 'puke green': '#9aae07', + 'kelly green': '#02ab2e', + 'seafoam green': '#7af9ab', + 'blue green': '#137e6d', + 'khaki': '#aaa662', + 'burgundy': '#610023', + 'dark teal': '#014d4e', + 'brick red': '#8f1402', + 'royal purple': '#4b006e', + 'plum': '#580f41', + 'mint green': '#8fff9f', + 'gold': '#dbb40c', + 'baby blue': '#a2cffe', + 'yellow green': '#c0fb2d', + 'bright purple': '#be03fd', + 'dark red': '#840000', + 'pale blue': '#d0fefe', + 'grass green': '#3f9b0b', + 'navy': '#01153e', + 'aquamarine': '#04d8b2', + 'burnt orange': '#c04e01', + 'neon green': '#0cff0c', + 'bright blue': '#0165fc', + 'rose': '#cf6275', + 'light pink': '#ffd1df', + 'mustard': '#ceb301', + 'indigo': '#380282', + 'lime': '#aaff32', + 'sea green': '#53fca1', + 'periwinkle': '#8e82fe', + 'dark pink': '#cb416b', + 'olive green': '#677a04', + 'peach': '#ffb07c', + 'pale green': '#c7fdb5', + 'light brown': '#ad8150', + 'hot pink': '#ff028d', + 'black': '#000000', + 'lilac': '#cea2fd', + 'navy blue': '#001146', + 'royal blue': '#0504aa', + 'beige': '#e6daa6', + 'salmon': '#ff796c', + 'olive': '#6e750e', + 'maroon': '#650021', + 'bright green': '#01ff07', + 'dark purple': '#35063e', + 'mauve': '#ae7181', + 'forest green': '#06470c', + 'aqua': '#13eac9', + 'cyan': '#00ffff', + 'tan': '#d1b26f', + 'dark blue': '#00035b', + 'lavender': '#c79fef', + 'turquoise': '#06c2ac', + 'dark green': '#033500', + 'violet': '#9a0eea', + 'light purple': '#bf77f6', + 'lime green': '#89fe05', + 'grey': '#929591', + 'sky blue': '#75bbfd', + 'yellow': '#ffff14', + 'magenta': '#c20078', + 'light green': '#96f97b', + 'orange': '#f97306', + 'teal': '#029386', + 'light blue': '#95d0fc', + 'red': '#e50000', + 'brown': '#653700', + 'pink': '#ff81c0', + 'blue': '#0343df', + 'green': '#15b01a', + 'purple': '#7e1e9c'} + +# Normalize name to "xkcd:" to avoid name collisions. +XKCD_COLORS = {'xkcd:' + name: value for name, value in XKCD_COLORS.items()} + + +# https://drafts.csswg.org/css-color-4/#named-colors +CSS4_COLORS = { + 'aliceblue': '#F0F8FF', + 'antiquewhite': '#FAEBD7', + 'aqua': '#00FFFF', + 'aquamarine': '#7FFFD4', + 'azure': '#F0FFFF', + 'beige': '#F5F5DC', + 'bisque': '#FFE4C4', + 'black': '#000000', + 'blanchedalmond': '#FFEBCD', + 'blue': '#0000FF', + 'blueviolet': '#8A2BE2', + 'brown': '#A52A2A', + 'burlywood': '#DEB887', + 'cadetblue': '#5F9EA0', + 'chartreuse': '#7FFF00', + 'chocolate': '#D2691E', + 'coral': '#FF7F50', + 'cornflowerblue': '#6495ED', + 'cornsilk': '#FFF8DC', + 'crimson': '#DC143C', + 'cyan': '#00FFFF', + 'darkblue': '#00008B', + 'darkcyan': '#008B8B', + 'darkgoldenrod': '#B8860B', + 'darkgray': '#A9A9A9', + 'darkgreen': '#006400', + 'darkgrey': '#A9A9A9', + 'darkkhaki': '#BDB76B', + 'darkmagenta': '#8B008B', + 'darkolivegreen': '#556B2F', + 'darkorange': '#FF8C00', + 'darkorchid': '#9932CC', + 'darkred': '#8B0000', + 'darksalmon': '#E9967A', + 'darkseagreen': '#8FBC8F', + 'darkslateblue': '#483D8B', + 'darkslategray': '#2F4F4F', + 'darkslategrey': '#2F4F4F', + 'darkturquoise': '#00CED1', + 'darkviolet': '#9400D3', + 'deeppink': '#FF1493', + 'deepskyblue': '#00BFFF', + 'dimgray': '#696969', + 'dimgrey': '#696969', + 'dodgerblue': '#1E90FF', + 'firebrick': '#B22222', + 'floralwhite': '#FFFAF0', + 'forestgreen': '#228B22', + 'fuchsia': '#FF00FF', + 'gainsboro': '#DCDCDC', + 'ghostwhite': '#F8F8FF', + 'gold': '#FFD700', + 'goldenrod': '#DAA520', + 'gray': '#808080', + 'green': '#008000', + 'greenyellow': '#ADFF2F', + 'grey': '#808080', + 'honeydew': '#F0FFF0', + 'hotpink': '#FF69B4', + 'indianred': '#CD5C5C', + 'indigo': '#4B0082', + 'ivory': '#FFFFF0', + 'khaki': '#F0E68C', + 'lavender': '#E6E6FA', + 'lavenderblush': '#FFF0F5', + 'lawngreen': '#7CFC00', + 'lemonchiffon': '#FFFACD', + 'lightblue': '#ADD8E6', + 'lightcoral': '#F08080', + 'lightcyan': '#E0FFFF', + 'lightgoldenrodyellow': '#FAFAD2', + 'lightgray': '#D3D3D3', + 'lightgreen': '#90EE90', + 'lightgrey': '#D3D3D3', + 'lightpink': '#FFB6C1', + 'lightsalmon': '#FFA07A', + 'lightseagreen': '#20B2AA', + 'lightskyblue': '#87CEFA', + 'lightslategray': '#778899', + 'lightslategrey': '#778899', + 'lightsteelblue': '#B0C4DE', + 'lightyellow': '#FFFFE0', + 'lime': '#00FF00', + 'limegreen': '#32CD32', + 'linen': '#FAF0E6', + 'magenta': '#FF00FF', + 'maroon': '#800000', + 'mediumaquamarine': '#66CDAA', + 'mediumblue': '#0000CD', + 'mediumorchid': '#BA55D3', + 'mediumpurple': '#9370DB', + 'mediumseagreen': '#3CB371', + 'mediumslateblue': '#7B68EE', + 'mediumspringgreen': '#00FA9A', + 'mediumturquoise': '#48D1CC', + 'mediumvioletred': '#C71585', + 'midnightblue': '#191970', + 'mintcream': '#F5FFFA', + 'mistyrose': '#FFE4E1', + 'moccasin': '#FFE4B5', + 'navajowhite': '#FFDEAD', + 'navy': '#000080', + 'oldlace': '#FDF5E6', + 'olive': '#808000', + 'olivedrab': '#6B8E23', + 'orange': '#FFA500', + 'orangered': '#FF4500', + 'orchid': '#DA70D6', + 'palegoldenrod': '#EEE8AA', + 'palegreen': '#98FB98', + 'paleturquoise': '#AFEEEE', + 'palevioletred': '#DB7093', + 'papayawhip': '#FFEFD5', + 'peachpuff': '#FFDAB9', + 'peru': '#CD853F', + 'pink': '#FFC0CB', + 'plum': '#DDA0DD', + 'powderblue': '#B0E0E6', + 'purple': '#800080', + 'rebeccapurple': '#663399', + 'red': '#FF0000', + 'rosybrown': '#BC8F8F', + 'royalblue': '#4169E1', + 'saddlebrown': '#8B4513', + 'salmon': '#FA8072', + 'sandybrown': '#F4A460', + 'seagreen': '#2E8B57', + 'seashell': '#FFF5EE', + 'sienna': '#A0522D', + 'silver': '#C0C0C0', + 'skyblue': '#87CEEB', + 'slateblue': '#6A5ACD', + 'slategray': '#708090', + 'slategrey': '#708090', + 'snow': '#FFFAFA', + 'springgreen': '#00FF7F', + 'steelblue': '#4682B4', + 'tan': '#D2B48C', + 'teal': '#008080', + 'thistle': '#D8BFD8', + 'tomato': '#FF6347', + 'turquoise': '#40E0D0', + 'violet': '#EE82EE', + 'wheat': '#F5DEB3', + 'white': '#FFFFFF', + 'whitesmoke': '#F5F5F5', + 'yellow': '#FFFF00', + 'yellowgreen': '#9ACD32'} diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_color_data.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_color_data.pyi new file mode 100644 index 0000000000000000000000000000000000000000..feb3de9c3043d55910e2649804352ae96ccbd1ec --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_color_data.pyi @@ -0,0 +1,6 @@ +from .typing import ColorType + +BASE_COLORS: dict[str, ColorType] +TABLEAU_COLORS: dict[str, ColorType] +XKCD_COLORS: dict[str, ColorType] +CSS4_COLORS: dict[str, ColorType] diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_constrained_layout.py b/.venv/lib/python3.12/site-packages/matplotlib/_constrained_layout.py new file mode 100644 index 0000000000000000000000000000000000000000..ce488d555898ececdc711d2271a554623d852f36 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_constrained_layout.py @@ -0,0 +1,824 @@ +""" +Adjust subplot layouts so that there are no overlapping Axes or Axes +decorations. All Axes decorations are dealt with (labels, ticks, titles, +ticklabels) and some dependent artists are also dealt with (colorbar, +suptitle). + +Layout is done via `~matplotlib.gridspec`, with one constraint per gridspec, +so it is possible to have overlapping Axes if the gridspecs overlap (i.e. +using `~matplotlib.gridspec.GridSpecFromSubplotSpec`). Axes placed using +``figure.subplots()`` or ``figure.add_subplots()`` will participate in the +layout. Axes manually placed via ``figure.add_axes()`` will not. + +See Tutorial: :ref:`constrainedlayout_guide` + +General idea: +------------- + +First, a figure has a gridspec that divides the figure into nrows and ncols, +with heights and widths set by ``height_ratios`` and ``width_ratios``, +often just set to 1 for an equal grid. + +Subplotspecs that are derived from this gridspec can contain either a +``SubPanel``, a ``GridSpecFromSubplotSpec``, or an ``Axes``. The ``SubPanel`` +and ``GridSpecFromSubplotSpec`` are dealt with recursively and each contain an +analogous layout. + +Each ``GridSpec`` has a ``_layoutgrid`` attached to it. The ``_layoutgrid`` +has the same logical layout as the ``GridSpec``. Each row of the grid spec +has a top and bottom "margin" and each column has a left and right "margin". +The "inner" height of each row is constrained to be the same (or as modified +by ``height_ratio``), and the "inner" width of each column is +constrained to be the same (as modified by ``width_ratio``), where "inner" +is the width or height of each column/row minus the size of the margins. + +Then the size of the margins for each row and column are determined as the +max width of the decorators on each Axes that has decorators in that margin. +For instance, a normal Axes would have a left margin that includes the +left ticklabels, and the ylabel if it exists. The right margin may include a +colorbar, the bottom margin the xaxis decorations, and the top margin the +title. + +With these constraints, the solver then finds appropriate bounds for the +columns and rows. It's possible that the margins take up the whole figure, +in which case the algorithm is not applied and a warning is raised. + +See the tutorial :ref:`constrainedlayout_guide` +for more discussion of the algorithm with examples. +""" + +import logging + +import numpy as np + +from matplotlib import _api, artist as martist +import matplotlib.transforms as mtransforms +import matplotlib._layoutgrid as mlayoutgrid + + +_log = logging.getLogger(__name__) + + +###################################################### +def do_constrained_layout(fig, h_pad, w_pad, + hspace=None, wspace=None, rect=(0, 0, 1, 1), + compress=False): + """ + Do the constrained_layout. Called at draw time in + ``figure.constrained_layout()`` + + Parameters + ---------- + fig : `~matplotlib.figure.Figure` + `.Figure` instance to do the layout in. + + h_pad, w_pad : float + Padding around the Axes elements in figure-normalized units. + + hspace, wspace : float + Fraction of the figure to dedicate to space between the + Axes. These are evenly spread between the gaps between the Axes. + A value of 0.2 for a three-column layout would have a space + of 0.1 of the figure width between each column. + If h/wspace < h/w_pad, then the pads are used instead. + + rect : tuple of 4 floats + Rectangle in figure coordinates to perform constrained layout in + [left, bottom, width, height], each from 0-1. + + compress : bool + Whether to shift Axes so that white space in between them is + removed. This is useful for simple grids of fixed-aspect Axes (e.g. + a grid of images). + + Returns + ------- + layoutgrid : private debugging structure + """ + + renderer = fig._get_renderer() + # make layoutgrid tree... + layoutgrids = make_layoutgrids(fig, None, rect=rect) + if not layoutgrids['hasgrids']: + _api.warn_external('There are no gridspecs with layoutgrids. ' + 'Possibly did not call parent GridSpec with the' + ' "figure" keyword') + return + + for _ in range(2): + # do the algorithm twice. This has to be done because decorations + # change size after the first re-position (i.e. x/yticklabels get + # larger/smaller). This second reposition tends to be much milder, + # so doing twice makes things work OK. + + # make margins for all the Axes and subfigures in the + # figure. Add margins for colorbars... + make_layout_margins(layoutgrids, fig, renderer, h_pad=h_pad, + w_pad=w_pad, hspace=hspace, wspace=wspace) + make_margin_suptitles(layoutgrids, fig, renderer, h_pad=h_pad, + w_pad=w_pad) + + # if a layout is such that a columns (or rows) margin has no + # constraints, we need to make all such instances in the grid + # match in margin size. + match_submerged_margins(layoutgrids, fig) + + # update all the variables in the layout. + layoutgrids[fig].update_variables() + + warn_collapsed = ('constrained_layout not applied because ' + 'axes sizes collapsed to zero. Try making ' + 'figure larger or Axes decorations smaller.') + if check_no_collapsed_axes(layoutgrids, fig): + reposition_axes(layoutgrids, fig, renderer, h_pad=h_pad, + w_pad=w_pad, hspace=hspace, wspace=wspace) + if compress: + layoutgrids = compress_fixed_aspect(layoutgrids, fig) + layoutgrids[fig].update_variables() + if check_no_collapsed_axes(layoutgrids, fig): + reposition_axes(layoutgrids, fig, renderer, h_pad=h_pad, + w_pad=w_pad, hspace=hspace, wspace=wspace, + compress=True) + else: + _api.warn_external(warn_collapsed) + + if ((suptitle := fig._suptitle) is not None and + suptitle.get_in_layout() and suptitle._autopos): + x, _ = suptitle.get_position() + suptitle.set_position( + (x, layoutgrids[fig].get_inner_bbox().y1 + h_pad)) + suptitle.set_verticalalignment('bottom') + else: + _api.warn_external(warn_collapsed) + reset_margins(layoutgrids, fig) + return layoutgrids + + +def make_layoutgrids(fig, layoutgrids, rect=(0, 0, 1, 1)): + """ + Make the layoutgrid tree. + + (Sub)Figures get a layoutgrid so we can have figure margins. + + Gridspecs that are attached to Axes get a layoutgrid so Axes + can have margins. + """ + + if layoutgrids is None: + layoutgrids = dict() + layoutgrids['hasgrids'] = False + if not hasattr(fig, '_parent'): + # top figure; pass rect as parent to allow user-specified + # margins + layoutgrids[fig] = mlayoutgrid.LayoutGrid(parent=rect, name='figlb') + else: + # subfigure + gs = fig._subplotspec.get_gridspec() + # it is possible the gridspec containing this subfigure hasn't + # been added to the tree yet: + layoutgrids = make_layoutgrids_gs(layoutgrids, gs) + # add the layoutgrid for the subfigure: + parentlb = layoutgrids[gs] + layoutgrids[fig] = mlayoutgrid.LayoutGrid( + parent=parentlb, + name='panellb', + parent_inner=True, + nrows=1, ncols=1, + parent_pos=(fig._subplotspec.rowspan, + fig._subplotspec.colspan)) + # recursively do all subfigures in this figure... + for sfig in fig.subfigs: + layoutgrids = make_layoutgrids(sfig, layoutgrids) + + # for each Axes at the local level add its gridspec: + for ax in fig._localaxes: + gs = ax.get_gridspec() + if gs is not None: + layoutgrids = make_layoutgrids_gs(layoutgrids, gs) + + return layoutgrids + + +def make_layoutgrids_gs(layoutgrids, gs): + """ + Make the layoutgrid for a gridspec (and anything nested in the gridspec) + """ + + if gs in layoutgrids or gs.figure is None: + return layoutgrids + # in order to do constrained_layout there has to be at least *one* + # gridspec in the tree: + layoutgrids['hasgrids'] = True + if not hasattr(gs, '_subplot_spec'): + # normal gridspec + parent = layoutgrids[gs.figure] + layoutgrids[gs] = mlayoutgrid.LayoutGrid( + parent=parent, + parent_inner=True, + name='gridspec', + ncols=gs._ncols, nrows=gs._nrows, + width_ratios=gs.get_width_ratios(), + height_ratios=gs.get_height_ratios()) + else: + # this is a gridspecfromsubplotspec: + subplot_spec = gs._subplot_spec + parentgs = subplot_spec.get_gridspec() + # if a nested gridspec it is possible the parent is not in there yet: + if parentgs not in layoutgrids: + layoutgrids = make_layoutgrids_gs(layoutgrids, parentgs) + subspeclb = layoutgrids[parentgs] + # gridspecfromsubplotspec need an outer container: + # get a unique representation: + rep = (gs, 'top') + if rep not in layoutgrids: + layoutgrids[rep] = mlayoutgrid.LayoutGrid( + parent=subspeclb, + name='top', + nrows=1, ncols=1, + parent_pos=(subplot_spec.rowspan, subplot_spec.colspan)) + layoutgrids[gs] = mlayoutgrid.LayoutGrid( + parent=layoutgrids[rep], + name='gridspec', + nrows=gs._nrows, ncols=gs._ncols, + width_ratios=gs.get_width_ratios(), + height_ratios=gs.get_height_ratios()) + return layoutgrids + + +def check_no_collapsed_axes(layoutgrids, fig): + """ + Check that no Axes have collapsed to zero size. + """ + for sfig in fig.subfigs: + ok = check_no_collapsed_axes(layoutgrids, sfig) + if not ok: + return False + for ax in fig.axes: + gs = ax.get_gridspec() + if gs in layoutgrids: # also implies gs is not None. + lg = layoutgrids[gs] + for i in range(gs.nrows): + for j in range(gs.ncols): + bb = lg.get_inner_bbox(i, j) + if bb.width <= 0 or bb.height <= 0: + return False + return True + + +def compress_fixed_aspect(layoutgrids, fig): + gs = None + for ax in fig.axes: + if ax.get_subplotspec() is None: + continue + ax.apply_aspect() + sub = ax.get_subplotspec() + _gs = sub.get_gridspec() + if gs is None: + gs = _gs + extraw = np.zeros(gs.ncols) + extrah = np.zeros(gs.nrows) + elif _gs != gs: + raise ValueError('Cannot do compressed layout if Axes are not' + 'all from the same gridspec') + orig = ax.get_position(original=True) + actual = ax.get_position(original=False) + dw = orig.width - actual.width + if dw > 0: + extraw[sub.colspan] = np.maximum(extraw[sub.colspan], dw) + dh = orig.height - actual.height + if dh > 0: + extrah[sub.rowspan] = np.maximum(extrah[sub.rowspan], dh) + + if gs is None: + raise ValueError('Cannot do compressed layout if no Axes ' + 'are part of a gridspec.') + w = np.sum(extraw) / 2 + layoutgrids[fig].edit_margin_min('left', w) + layoutgrids[fig].edit_margin_min('right', w) + + h = np.sum(extrah) / 2 + layoutgrids[fig].edit_margin_min('top', h) + layoutgrids[fig].edit_margin_min('bottom', h) + return layoutgrids + + +def get_margin_from_padding(obj, *, w_pad=0, h_pad=0, + hspace=0, wspace=0): + + ss = obj._subplotspec + gs = ss.get_gridspec() + + if hasattr(gs, 'hspace'): + _hspace = (gs.hspace if gs.hspace is not None else hspace) + _wspace = (gs.wspace if gs.wspace is not None else wspace) + else: + _hspace = (gs._hspace if gs._hspace is not None else hspace) + _wspace = (gs._wspace if gs._wspace is not None else wspace) + + _wspace = _wspace / 2 + _hspace = _hspace / 2 + + nrows, ncols = gs.get_geometry() + # there are two margins for each direction. The "cb" + # margins are for pads and colorbars, the non-"cb" are + # for the Axes decorations (labels etc). + margin = {'leftcb': w_pad, 'rightcb': w_pad, + 'bottomcb': h_pad, 'topcb': h_pad, + 'left': 0, 'right': 0, + 'top': 0, 'bottom': 0} + if _wspace / ncols > w_pad: + if ss.colspan.start > 0: + margin['leftcb'] = _wspace / ncols + if ss.colspan.stop < ncols: + margin['rightcb'] = _wspace / ncols + if _hspace / nrows > h_pad: + if ss.rowspan.stop < nrows: + margin['bottomcb'] = _hspace / nrows + if ss.rowspan.start > 0: + margin['topcb'] = _hspace / nrows + + return margin + + +def make_layout_margins(layoutgrids, fig, renderer, *, w_pad=0, h_pad=0, + hspace=0, wspace=0): + """ + For each Axes, make a margin between the *pos* layoutbox and the + *axes* layoutbox be a minimum size that can accommodate the + decorations on the axis. + + Then make room for colorbars. + + Parameters + ---------- + layoutgrids : dict + fig : `~matplotlib.figure.Figure` + `.Figure` instance to do the layout in. + renderer : `~matplotlib.backend_bases.RendererBase` subclass. + The renderer to use. + w_pad, h_pad : float, default: 0 + Width and height padding (in fraction of figure). + hspace, wspace : float, default: 0 + Width and height padding as fraction of figure size divided by + number of columns or rows. + """ + for sfig in fig.subfigs: # recursively make child panel margins + ss = sfig._subplotspec + gs = ss.get_gridspec() + + make_layout_margins(layoutgrids, sfig, renderer, + w_pad=w_pad, h_pad=h_pad, + hspace=hspace, wspace=wspace) + + margins = get_margin_from_padding(sfig, w_pad=0, h_pad=0, + hspace=hspace, wspace=wspace) + layoutgrids[gs].edit_outer_margin_mins(margins, ss) + + for ax in fig._localaxes: + if not ax.get_subplotspec() or not ax.get_in_layout(): + continue + + ss = ax.get_subplotspec() + gs = ss.get_gridspec() + + if gs not in layoutgrids: + return + + margin = get_margin_from_padding(ax, w_pad=w_pad, h_pad=h_pad, + hspace=hspace, wspace=wspace) + pos, bbox = get_pos_and_bbox(ax, renderer) + # the margin is the distance between the bounding box of the Axes + # and its position (plus the padding from above) + margin['left'] += pos.x0 - bbox.x0 + margin['right'] += bbox.x1 - pos.x1 + # remember that rows are ordered from top: + margin['bottom'] += pos.y0 - bbox.y0 + margin['top'] += bbox.y1 - pos.y1 + + # make margin for colorbars. These margins go in the + # padding margin, versus the margin for Axes decorators. + for cbax in ax._colorbars: + # note pad is a fraction of the parent width... + pad = colorbar_get_pad(layoutgrids, cbax) + # colorbars can be child of more than one subplot spec: + cbp_rspan, cbp_cspan = get_cb_parent_spans(cbax) + loc = cbax._colorbar_info['location'] + cbpos, cbbbox = get_pos_and_bbox(cbax, renderer) + if loc == 'right': + if cbp_cspan.stop == ss.colspan.stop: + # only increase if the colorbar is on the right edge + margin['rightcb'] += cbbbox.width + pad + elif loc == 'left': + if cbp_cspan.start == ss.colspan.start: + # only increase if the colorbar is on the left edge + margin['leftcb'] += cbbbox.width + pad + elif loc == 'top': + if cbp_rspan.start == ss.rowspan.start: + margin['topcb'] += cbbbox.height + pad + else: + if cbp_rspan.stop == ss.rowspan.stop: + margin['bottomcb'] += cbbbox.height + pad + # If the colorbars are wider than the parent box in the + # cross direction + if loc in ['top', 'bottom']: + if (cbp_cspan.start == ss.colspan.start and + cbbbox.x0 < bbox.x0): + margin['left'] += bbox.x0 - cbbbox.x0 + if (cbp_cspan.stop == ss.colspan.stop and + cbbbox.x1 > bbox.x1): + margin['right'] += cbbbox.x1 - bbox.x1 + # or taller: + if loc in ['left', 'right']: + if (cbp_rspan.stop == ss.rowspan.stop and + cbbbox.y0 < bbox.y0): + margin['bottom'] += bbox.y0 - cbbbox.y0 + if (cbp_rspan.start == ss.rowspan.start and + cbbbox.y1 > bbox.y1): + margin['top'] += cbbbox.y1 - bbox.y1 + # pass the new margins down to the layout grid for the solution... + layoutgrids[gs].edit_outer_margin_mins(margin, ss) + + # make margins for figure-level legends: + for leg in fig.legends: + inv_trans_fig = None + if leg._outside_loc and leg._bbox_to_anchor is None: + if inv_trans_fig is None: + inv_trans_fig = fig.transFigure.inverted().transform_bbox + bbox = inv_trans_fig(leg.get_tightbbox(renderer)) + w = bbox.width + 2 * w_pad + h = bbox.height + 2 * h_pad + legendloc = leg._outside_loc + if legendloc == 'lower': + layoutgrids[fig].edit_margin_min('bottom', h) + elif legendloc == 'upper': + layoutgrids[fig].edit_margin_min('top', h) + if legendloc == 'right': + layoutgrids[fig].edit_margin_min('right', w) + elif legendloc == 'left': + layoutgrids[fig].edit_margin_min('left', w) + + +def make_margin_suptitles(layoutgrids, fig, renderer, *, w_pad=0, h_pad=0): + # Figure out how large the suptitle is and make the + # top level figure margin larger. + + inv_trans_fig = fig.transFigure.inverted().transform_bbox + # get the h_pad and w_pad as distances in the local subfigure coordinates: + padbox = mtransforms.Bbox([[0, 0], [w_pad, h_pad]]) + padbox = (fig.transFigure - + fig.transSubfigure).transform_bbox(padbox) + h_pad_local = padbox.height + w_pad_local = padbox.width + + for sfig in fig.subfigs: + make_margin_suptitles(layoutgrids, sfig, renderer, + w_pad=w_pad, h_pad=h_pad) + + if fig._suptitle is not None and fig._suptitle.get_in_layout(): + p = fig._suptitle.get_position() + if getattr(fig._suptitle, '_autopos', False): + fig._suptitle.set_position((p[0], 1 - h_pad_local)) + bbox = inv_trans_fig(fig._suptitle.get_tightbbox(renderer)) + layoutgrids[fig].edit_margin_min('top', bbox.height + 2 * h_pad) + + if fig._supxlabel is not None and fig._supxlabel.get_in_layout(): + p = fig._supxlabel.get_position() + if getattr(fig._supxlabel, '_autopos', False): + fig._supxlabel.set_position((p[0], h_pad_local)) + bbox = inv_trans_fig(fig._supxlabel.get_tightbbox(renderer)) + layoutgrids[fig].edit_margin_min('bottom', + bbox.height + 2 * h_pad) + + if fig._supylabel is not None and fig._supylabel.get_in_layout(): + p = fig._supylabel.get_position() + if getattr(fig._supylabel, '_autopos', False): + fig._supylabel.set_position((w_pad_local, p[1])) + bbox = inv_trans_fig(fig._supylabel.get_tightbbox(renderer)) + layoutgrids[fig].edit_margin_min('left', bbox.width + 2 * w_pad) + + +def match_submerged_margins(layoutgrids, fig): + """ + Make the margins that are submerged inside an Axes the same size. + + This allows Axes that span two columns (or rows) that are offset + from one another to have the same size. + + This gives the proper layout for something like:: + fig = plt.figure(constrained_layout=True) + axs = fig.subplot_mosaic("AAAB\nCCDD") + + Without this routine, the Axes D will be wider than C, because the + margin width between the two columns in C has no width by default, + whereas the margins between the two columns of D are set by the + width of the margin between A and B. However, obviously the user would + like C and D to be the same size, so we need to add constraints to these + "submerged" margins. + + This routine makes all the interior margins the same, and the spacing + between the three columns in A and the two column in C are all set to the + margins between the two columns of D. + + See test_constrained_layout::test_constrained_layout12 for an example. + """ + + axsdone = [] + for sfig in fig.subfigs: + axsdone += match_submerged_margins(layoutgrids, sfig) + + axs = [a for a in fig.get_axes() + if (a.get_subplotspec() is not None and a.get_in_layout() and + a not in axsdone)] + + for ax1 in axs: + ss1 = ax1.get_subplotspec() + if ss1.get_gridspec() not in layoutgrids: + axs.remove(ax1) + continue + lg1 = layoutgrids[ss1.get_gridspec()] + + # interior columns: + if len(ss1.colspan) > 1: + leftcb = lg1.margin_vals['leftcb'][ss1.colspan[1:]] + rightcb = lg1.margin_vals['rightcb'][ss1.colspan[:-1]] + maxsubl = np.max(lg1.margin_vals['left'][ss1.colspan[1:]] + leftcb) + maxsubr = np.max(lg1.margin_vals['right'][ss1.colspan[:-1]] + rightcb) + for ax2 in axs: + ss2 = ax2.get_subplotspec() + lg2 = layoutgrids[ss2.get_gridspec()] + if lg2 is not None and len(ss2.colspan) > 1: + maxsubl2 = np.max( + lg2.margin_vals['left'][ss2.colspan[1:]] + + lg2.margin_vals['leftcb'][ss2.colspan[1:]]) + if maxsubl2 > maxsubl: + maxsubl = maxsubl2 + maxsubr2 = np.max( + lg2.margin_vals['right'][ss2.colspan[:-1]] + + lg2.margin_vals['rightcb'][ss2.colspan[:-1]]) + if maxsubr2 > maxsubr: + maxsubr = maxsubr2 + for i, cb in zip(ss1.colspan[1:], leftcb): + lg1.edit_margin_min('left', maxsubl - cb, cell=i) + for i, cb in zip(ss1.colspan[:-1], rightcb): + lg1.edit_margin_min('right', maxsubr - cb, cell=i) + + # interior rows: + if len(ss1.rowspan) > 1: + topcb = lg1.margin_vals['topcb'][ss1.rowspan[1:]] + bottomcb = lg1.margin_vals['bottomcb'][ss1.rowspan[:-1]] + maxsubt = np.max(lg1.margin_vals['top'][ss1.rowspan[1:]] + topcb) + maxsubb = np.max(lg1.margin_vals['bottom'][ss1.rowspan[:-1]] + bottomcb) + for ax2 in axs: + ss2 = ax2.get_subplotspec() + lg2 = layoutgrids[ss2.get_gridspec()] + if lg2 is not None: + if len(ss2.rowspan) > 1: + maxsubt = np.max([np.max( + lg2.margin_vals['top'][ss2.rowspan[1:]] + + lg2.margin_vals['topcb'][ss2.rowspan[1:]] + ), maxsubt]) + maxsubb = np.max([np.max( + lg2.margin_vals['bottom'][ss2.rowspan[:-1]] + + lg2.margin_vals['bottomcb'][ss2.rowspan[:-1]] + ), maxsubb]) + for i, cb in zip(ss1.rowspan[1:], topcb): + lg1.edit_margin_min('top', maxsubt - cb, cell=i) + for i, cb in zip(ss1.rowspan[:-1], bottomcb): + lg1.edit_margin_min('bottom', maxsubb - cb, cell=i) + + return axs + + +def get_cb_parent_spans(cbax): + """ + Figure out which subplotspecs this colorbar belongs to. + + Parameters + ---------- + cbax : `~matplotlib.axes.Axes` + Axes for the colorbar. + """ + rowstart = np.inf + rowstop = -np.inf + colstart = np.inf + colstop = -np.inf + for parent in cbax._colorbar_info['parents']: + ss = parent.get_subplotspec() + rowstart = min(ss.rowspan.start, rowstart) + rowstop = max(ss.rowspan.stop, rowstop) + colstart = min(ss.colspan.start, colstart) + colstop = max(ss.colspan.stop, colstop) + + rowspan = range(rowstart, rowstop) + colspan = range(colstart, colstop) + return rowspan, colspan + + +def get_pos_and_bbox(ax, renderer): + """ + Get the position and the bbox for the Axes. + + Parameters + ---------- + ax : `~matplotlib.axes.Axes` + renderer : `~matplotlib.backend_bases.RendererBase` subclass. + + Returns + ------- + pos : `~matplotlib.transforms.Bbox` + Position in figure coordinates. + bbox : `~matplotlib.transforms.Bbox` + Tight bounding box in figure coordinates. + """ + fig = ax.get_figure(root=False) + pos = ax.get_position(original=True) + # pos is in panel co-ords, but we need in figure for the layout + pos = pos.transformed(fig.transSubfigure - fig.transFigure) + tightbbox = martist._get_tightbbox_for_layout_only(ax, renderer) + if tightbbox is None: + bbox = pos + else: + bbox = tightbbox.transformed(fig.transFigure.inverted()) + return pos, bbox + + +def reposition_axes(layoutgrids, fig, renderer, *, + w_pad=0, h_pad=0, hspace=0, wspace=0, compress=False): + """ + Reposition all the Axes based on the new inner bounding box. + """ + trans_fig_to_subfig = fig.transFigure - fig.transSubfigure + for sfig in fig.subfigs: + bbox = layoutgrids[sfig].get_outer_bbox() + sfig._redo_transform_rel_fig( + bbox=bbox.transformed(trans_fig_to_subfig)) + reposition_axes(layoutgrids, sfig, renderer, + w_pad=w_pad, h_pad=h_pad, + wspace=wspace, hspace=hspace, compress=compress) + + for ax in fig._localaxes: + if ax.get_subplotspec() is None or not ax.get_in_layout(): + continue + + # grid bbox is in Figure coordinates, but we specify in panel + # coordinates... + ss = ax.get_subplotspec() + gs = ss.get_gridspec() + if gs not in layoutgrids: + return + + bbox = layoutgrids[gs].get_inner_bbox(rows=ss.rowspan, + cols=ss.colspan) + + # transform from figure to panel for set_position: + newbbox = trans_fig_to_subfig.transform_bbox(bbox) + ax._set_position(newbbox) + + # move the colorbars: + # we need to keep track of oldw and oldh if there is more than + # one colorbar: + offset = {'left': 0, 'right': 0, 'bottom': 0, 'top': 0} + for nn, cbax in enumerate(ax._colorbars[::-1]): + if ax == cbax._colorbar_info['parents'][0]: + reposition_colorbar(layoutgrids, cbax, renderer, + offset=offset, compress=compress) + + +def reposition_colorbar(layoutgrids, cbax, renderer, *, offset=None, compress=False): + """ + Place the colorbar in its new place. + + Parameters + ---------- + layoutgrids : dict + cbax : `~matplotlib.axes.Axes` + Axes for the colorbar. + renderer : `~matplotlib.backend_bases.RendererBase` subclass. + The renderer to use. + offset : array-like + Offset the colorbar needs to be pushed to in order to + account for multiple colorbars. + compress : bool + Whether we're in compressed layout mode. + """ + + parents = cbax._colorbar_info['parents'] + gs = parents[0].get_gridspec() + fig = cbax.get_figure(root=False) + trans_fig_to_subfig = fig.transFigure - fig.transSubfigure + + cb_rspans, cb_cspans = get_cb_parent_spans(cbax) + bboxparent = layoutgrids[gs].get_bbox_for_cb(rows=cb_rspans, + cols=cb_cspans) + pb = layoutgrids[gs].get_inner_bbox(rows=cb_rspans, cols=cb_cspans) + + location = cbax._colorbar_info['location'] + anchor = cbax._colorbar_info['anchor'] + fraction = cbax._colorbar_info['fraction'] + aspect = cbax._colorbar_info['aspect'] + shrink = cbax._colorbar_info['shrink'] + + # For colorbars with a single parent in compressed layout, + # use the actual visual size of the parent axis after apply_aspect() + # has been called. This ensures colorbars align with their parent axes. + # This fix is specific to single-parent colorbars where alignment is critical. + if compress and len(parents) == 1: + from matplotlib.transforms import Bbox + # Get the actual parent position after apply_aspect() + parent_ax = parents[0] + actual_pos = parent_ax.get_position(original=False) + # Transform to figure coordinates + actual_pos_fig = actual_pos.transformed(fig.transSubfigure - fig.transFigure) + + if location in ('left', 'right'): + # For vertical colorbars, use the actual parent bbox height + # for colorbar sizing + # Keep the pb x-coordinates but use actual y-coordinates + pb = Bbox.from_extents(pb.x0, actual_pos_fig.y0, + pb.x1, actual_pos_fig.y1) + elif location in ('top', 'bottom'): + # For horizontal colorbars, use the actual parent bbox width + # for colorbar sizing + # Keep the pb y-coordinates but use actual x-coordinates + pb = Bbox.from_extents(actual_pos_fig.x0, pb.y0, + actual_pos_fig.x1, pb.y1) + + cbpos, cbbbox = get_pos_and_bbox(cbax, renderer) + + # Colorbar gets put at extreme edge of outer bbox of the subplotspec + # It needs to be moved in by: 1) a pad 2) its "margin" 3) by + # any colorbars already added at this location: + cbpad = colorbar_get_pad(layoutgrids, cbax) + if location in ('left', 'right'): + # fraction and shrink are fractions of parent + pbcb = pb.shrunk(fraction, shrink).anchored(anchor, pb) + # The colorbar is at the left side of the parent. Need + # to translate to right (or left) + if location == 'right': + lmargin = cbpos.x0 - cbbbox.x0 + dx = bboxparent.x1 - pbcb.x0 + offset['right'] + dx += cbpad + lmargin + offset['right'] += cbbbox.width + cbpad + pbcb = pbcb.translated(dx, 0) + else: + lmargin = cbpos.x0 - cbbbox.x0 + dx = bboxparent.x0 - pbcb.x0 # edge of parent + dx += -cbbbox.width - cbpad + lmargin - offset['left'] + offset['left'] += cbbbox.width + cbpad + pbcb = pbcb.translated(dx, 0) + else: # horizontal axes: + pbcb = pb.shrunk(shrink, fraction).anchored(anchor, pb) + if location == 'top': + bmargin = cbpos.y0 - cbbbox.y0 + dy = bboxparent.y1 - pbcb.y0 + offset['top'] + dy += cbpad + bmargin + offset['top'] += cbbbox.height + cbpad + pbcb = pbcb.translated(0, dy) + else: + bmargin = cbpos.y0 - cbbbox.y0 + dy = bboxparent.y0 - pbcb.y0 + dy += -cbbbox.height - cbpad + bmargin - offset['bottom'] + offset['bottom'] += cbbbox.height + cbpad + pbcb = pbcb.translated(0, dy) + + pbcb = trans_fig_to_subfig.transform_bbox(pbcb) + cbax.set_transform(fig.transSubfigure) + cbax._set_position(pbcb) + cbax.set_anchor(anchor) + if location in ['bottom', 'top']: + aspect = 1 / aspect + cbax.set_box_aspect(aspect) + cbax.set_aspect('auto') + return offset + + +def reset_margins(layoutgrids, fig): + """ + Reset the margins in the layoutboxes of *fig*. + + Margins are usually set as a minimum, so if the figure gets smaller + the minimum needs to be zero in order for it to grow again. + """ + for sfig in fig.subfigs: + reset_margins(layoutgrids, sfig) + for ax in fig.axes: + if ax.get_in_layout(): + gs = ax.get_gridspec() + if gs in layoutgrids: # also implies gs is not None. + layoutgrids[gs].reset_margins() + layoutgrids[fig].reset_margins() + + +def colorbar_get_pad(layoutgrids, cax): + parents = cax._colorbar_info['parents'] + gs = parents[0].get_gridspec() + + cb_rspans, cb_cspans = get_cb_parent_spans(cax) + bboxouter = layoutgrids[gs].get_inner_bbox(rows=cb_rspans, cols=cb_cspans) + + if cax._colorbar_info['location'] in ['right', 'left']: + size = bboxouter.width + else: + size = bboxouter.height + + return cax._colorbar_info['pad'] * size diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_docstring.py b/.venv/lib/python3.12/site-packages/matplotlib/_docstring.py new file mode 100644 index 0000000000000000000000000000000000000000..8cc7d623efe5c3bb3421e78bccf63b75ee76614d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_docstring.py @@ -0,0 +1,141 @@ +import inspect + +from . import _api + + +def kwarg_doc(text): + """ + Decorator for defining the kwdoc documentation of artist properties. + + This decorator can be applied to artist property setter methods. + The given text is stored in a private attribute ``_kwarg_doc`` on + the method. It is used to overwrite auto-generated documentation + in the *kwdoc list* for artists. The kwdoc list is used to document + ``**kwargs`` when they are properties of an artist. See e.g. the + ``**kwargs`` section in `.Axes.text`. + + The text should contain the supported types, as well as the default + value if applicable, e.g.: + + @_docstring.kwarg_doc("bool, default: :rc:`text.usetex`") + def set_usetex(self, usetex): + + See Also + -------- + matplotlib.artist.kwdoc + + """ + def decorator(func): + func._kwarg_doc = text + return func + return decorator + + +class Substitution: + """ + A decorator that performs %-substitution on an object's docstring. + + This decorator should be robust even if ``obj.__doc__`` is None (for + example, if -OO was passed to the interpreter). + + Usage: construct a docstring.Substitution with a sequence or dictionary + suitable for performing substitution; then decorate a suitable function + with the constructed object, e.g.:: + + sub_author_name = Substitution(author='Jason') + + @sub_author_name + def some_function(x): + "%(author)s wrote this function" + + # note that some_function.__doc__ is now "Jason wrote this function" + + One can also use positional arguments:: + + sub_first_last_names = Substitution('Edgar Allen', 'Poe') + + @sub_first_last_names + def some_function(x): + "%s %s wrote the Raven" + """ + def __init__(self, *args, **kwargs): + if args and kwargs: + raise TypeError("Only positional or keyword args are allowed") + self.params = args or kwargs + + def __call__(self, func): + if func.__doc__: + func.__doc__ = inspect.cleandoc(func.__doc__) % self.params + return func + + +class _ArtistKwdocLoader(dict): + def __missing__(self, key): + if not key.endswith(":kwdoc"): + raise KeyError(key) + name = key[:-len(":kwdoc")] + from matplotlib.artist import Artist, kwdoc + try: + cls, = (cls for cls in _api.recursive_subclasses(Artist) + if cls.__name__ == name) + except ValueError as e: + raise KeyError(key) from e + return self.setdefault(key, kwdoc(cls)) + + +class _ArtistPropertiesSubstitution: + """ + A class to substitute formatted placeholders in docstrings. + + This is realized in a single instance ``_docstring.interpd``. + + Use `~._ArtistPropertiesSubstition.register` to define placeholders and + their substitution, e.g. ``_docstring.interpd.register(name="some value")``. + + Use this as a decorator to apply the substitution:: + + @_docstring.interpd + def some_func(): + '''Replace %(name)s.''' + + Decorating a class triggers substitution both on the class docstring and + on the class' ``__init__`` docstring (which is a commonly required + pattern for Artist subclasses). + + Substitutions of the form ``%(classname:kwdoc)s`` (ending with the + literal ":kwdoc" suffix) trigger lookup of an Artist subclass with the + given *classname*, and are substituted with the `.kwdoc` of that class. + """ + + def __init__(self): + self.params = _ArtistKwdocLoader() + + def register(self, **kwargs): + """ + Register substitutions. + + ``_docstring.interpd.register(name="some value")`` makes "name" available + as a named parameter that will be replaced by "some value". + """ + self.params.update(**kwargs) + + def __call__(self, obj): + if obj.__doc__: + obj.__doc__ = inspect.cleandoc(obj.__doc__) % self.params + if isinstance(obj, type) and obj.__init__ != object.__init__: + self(obj.__init__) + return obj + + +def copy(source): + """Copy a docstring from another source function (if present).""" + def do_copy(target): + if source.__doc__: + target.__doc__ = source.__doc__ + return target + return do_copy + + +# Create a decorator that will house the various docstring snippets reused +# throughout Matplotlib. +interpd = _ArtistPropertiesSubstitution() diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_docstring.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_docstring.pyi new file mode 100644 index 0000000000000000000000000000000000000000..7bb256a3032b288cebb94bb8b656d78ace4832cc --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_docstring.pyi @@ -0,0 +1,33 @@ +from collections.abc import Callable +from typing import Any, TypeVar, overload + + +_T = TypeVar('_T') + + +def kwarg_doc(text: str) -> Callable[[_T], _T]: ... + + +class Substitution: + @overload + def __init__(self, *args: str): ... + @overload + def __init__(self, **kwargs: str): ... + def __call__(self, func: _T) -> _T: ... + + +class _ArtistKwdocLoader(dict[str, str]): + def __missing__(self, key: str) -> str: ... + + +class _ArtistPropertiesSubstitution: + def __init__(self) -> None: ... + def register(self, **kwargs) -> None: ... + def __call__(self, obj: _T) -> _T: ... + + +def copy(source: Any) -> Callable[[_T], _T]: ... + + +dedent_interpd: _ArtistPropertiesSubstitution +interpd: _ArtistPropertiesSubstitution diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_enums.py b/.venv/lib/python3.12/site-packages/matplotlib/_enums.py new file mode 100644 index 0000000000000000000000000000000000000000..d85c5c5f03dbad80bfa68190fa503f251fe37ea6 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_enums.py @@ -0,0 +1,177 @@ +""" +Enums representing sets of strings that Matplotlib uses as input parameters. + +Matplotlib often uses simple data types like strings or tuples to define a +concept; e.g. the line capstyle can be specified as one of 'butt', 'round', +or 'projecting'. The classes in this module are used internally and serve to +document these concepts formally. + +As an end-user you will not use these classes directly, but only the values +they define. +""" + +from enum import Enum +from matplotlib import _docstring + + +class JoinStyle(str, Enum): + """ + Define how the connection between two line segments is drawn. + + For a visual impression of each *JoinStyle*, `view these docs online + `, or run `JoinStyle.demo`. + + Lines in Matplotlib are typically defined by a 1D `~.path.Path` and a + finite ``linewidth``, where the underlying 1D `~.path.Path` represents the + center of the stroked line. + + By default, `~.backend_bases.GraphicsContextBase` defines the boundaries of + a stroked line to simply be every point within some radius, + ``linewidth/2``, away from any point of the center line. However, this + results in corners appearing "rounded", which may not be the desired + behavior if you are drawing, for example, a polygon or pointed star. + + **Supported values:** + + .. rst-class:: value-list + + 'miter' + the "arrow-tip" style. Each boundary of the filled-in area will + extend in a straight line parallel to the tangent vector of the + centerline at the point it meets the corner, until they meet in a + sharp point. + 'round' + stokes every point within a radius of ``linewidth/2`` of the center + lines. + 'bevel' + the "squared-off" style. It can be thought of as a rounded corner + where the "circular" part of the corner has been cut off. + + .. note:: + + Very long miter tips are cut off (to form a *bevel*) after a + backend-dependent limit called the "miter limit", which specifies the + maximum allowed ratio of miter length to line width. For example, the + PDF backend uses the default value of 10 specified by the PDF standard, + while the SVG backend does not even specify the miter limit, resulting + in a default value of 4 per the SVG specification. Matplotlib does not + currently allow the user to adjust this parameter. + + A more detailed description of the effect of a miter limit can be found + in the `Mozilla Developer Docs + `_ + + .. plot:: + :alt: Demo of possible JoinStyle's + + from matplotlib._enums import JoinStyle + JoinStyle.demo() + + """ + + miter = "miter" + round = "round" + bevel = "bevel" + + @staticmethod + def demo(): + """Demonstrate how each JoinStyle looks for various join angles.""" + import numpy as np + import matplotlib.pyplot as plt + + def plot_angle(ax, x, y, angle, style): + phi = np.radians(angle) + xx = [x + .5, x, x + .5*np.cos(phi)] + yy = [y, y, y + .5*np.sin(phi)] + ax.plot(xx, yy, lw=12, color='tab:blue', solid_joinstyle=style) + ax.plot(xx, yy, lw=1, color='black') + ax.plot(xx[1], yy[1], 'o', color='tab:red', markersize=3) + + fig, ax = plt.subplots(figsize=(5, 4), constrained_layout=True) + ax.set_title('Join style') + for x, style in enumerate(['miter', 'round', 'bevel']): + ax.text(x, 5, style) + for y, angle in enumerate([20, 45, 60, 90, 120]): + plot_angle(ax, x, y, angle, style) + if x == 0: + ax.text(-1.3, y, f'{angle} degrees') + ax.set_xlim(-1.5, 2.75) + ax.set_ylim(-.5, 5.5) + ax.set_axis_off() + fig.show() + + +JoinStyle.input_description = "{" \ + + ", ".join([f"'{js.name}'" for js in JoinStyle]) \ + + "}" + + +class CapStyle(str, Enum): + r""" + Define how the two endpoints (caps) of an unclosed line are drawn. + + How to draw the start and end points of lines that represent a closed curve + (i.e. that end in a `~.path.Path.CLOSEPOLY`) is controlled by the line's + `JoinStyle`. For all other lines, how the start and end points are drawn is + controlled by the *CapStyle*. + + For a visual impression of each *CapStyle*, `view these docs online + ` or run `CapStyle.demo`. + + By default, `~.backend_bases.GraphicsContextBase` draws a stroked line as + squared off at its endpoints. + + **Supported values:** + + .. rst-class:: value-list + + 'butt' + the line is squared off at its endpoint. + 'projecting' + the line is squared off as in *butt*, but the filled in area + extends beyond the endpoint a distance of ``linewidth/2``. + 'round' + like *butt*, but a semicircular cap is added to the end of the + line, of radius ``linewidth/2``. + + .. plot:: + :alt: Demo of possible CapStyle's + + from matplotlib._enums import CapStyle + CapStyle.demo() + + """ + butt = "butt" + projecting = "projecting" + round = "round" + + @staticmethod + def demo(): + """Demonstrate how each CapStyle looks for a thick line segment.""" + import matplotlib.pyplot as plt + + fig = plt.figure(figsize=(4, 1.2)) + ax = fig.add_axes((0, 0, 1, 0.8)) + ax.set_title('Cap style') + + for x, style in enumerate(['butt', 'round', 'projecting']): + ax.text(x+0.25, 0.85, style, ha='center') + xx = [x, x+0.5] + yy = [0, 0] + ax.plot(xx, yy, lw=12, color='tab:blue', solid_capstyle=style) + ax.plot(xx, yy, lw=1, color='black') + ax.plot(xx, yy, 'o', color='tab:red', markersize=3) + + ax.set_ylim(-.5, 1.5) + ax.set_axis_off() + fig.show() + + +CapStyle.input_description = "{" \ + + ", ".join([f"'{cs.name}'" for cs in CapStyle]) \ + + "}" + +_docstring.interpd.register( + JoinStyle=JoinStyle.input_description, + CapStyle=CapStyle.input_description, +) diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_enums.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_enums.pyi new file mode 100644 index 0000000000000000000000000000000000000000..3ff7e208c398311d6adfee12fc2f1f87fc4175e3 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_enums.pyi @@ -0,0 +1,18 @@ +from enum import Enum + + +class JoinStyle(str, Enum): + miter = "miter" + round = "round" + bevel = "bevel" + @staticmethod + def demo() -> None: ... + + +class CapStyle(str, Enum): + butt = "butt" + projecting = "projecting" + round = "round" + + @staticmethod + def demo() -> None: ... diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_fontconfig_pattern.py b/.venv/lib/python3.12/site-packages/matplotlib/_fontconfig_pattern.py new file mode 100644 index 0000000000000000000000000000000000000000..8a329f7a313365a41d501efce98cf20b5b49b32a --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_fontconfig_pattern.py @@ -0,0 +1,111 @@ +""" +A module for parsing and generating `fontconfig patterns`_. + +.. _fontconfig patterns: + https://www.freedesktop.org/software/fontconfig/fontconfig-user.html +""" + +# This class logically belongs in `matplotlib.font_manager`, but placing it +# there would have created cyclical dependency problems, because it also needs +# to be available from `matplotlib.rcsetup` (for parsing matplotlibrc files). + +from functools import cache, lru_cache, partial +import re + +from pyparsing import ( + Group, Optional, ParseException, Regex, StringEnd, Suppress, ZeroOrMore, one_of) + + +_family_punc = r'\\\-:,' +_family_unescape = partial(re.compile(r'\\(?=[%s])' % _family_punc).sub, '') +_family_escape = partial(re.compile(r'(?=[%s])' % _family_punc).sub, r'\\') +_value_punc = r'\\=_:,' +_value_unescape = partial(re.compile(r'\\(?=[%s])' % _value_punc).sub, '') +_value_escape = partial(re.compile(r'(?=[%s])' % _value_punc).sub, r'\\') + + +_CONSTANTS = { + 'thin': ('weight', 'light'), + 'extralight': ('weight', 'light'), + 'ultralight': ('weight', 'light'), + 'light': ('weight', 'light'), + 'book': ('weight', 'book'), + 'regular': ('weight', 'regular'), + 'normal': ('weight', 'normal'), + 'medium': ('weight', 'medium'), + 'demibold': ('weight', 'demibold'), + 'semibold': ('weight', 'semibold'), + 'bold': ('weight', 'bold'), + 'extrabold': ('weight', 'extra bold'), + 'black': ('weight', 'black'), + 'heavy': ('weight', 'heavy'), + 'roman': ('slant', 'normal'), + 'italic': ('slant', 'italic'), + 'oblique': ('slant', 'oblique'), + 'ultracondensed': ('width', 'ultra-condensed'), + 'extracondensed': ('width', 'extra-condensed'), + 'condensed': ('width', 'condensed'), + 'semicondensed': ('width', 'semi-condensed'), + 'expanded': ('width', 'expanded'), + 'extraexpanded': ('width', 'extra-expanded'), + 'ultraexpanded': ('width', 'ultra-expanded'), +} + + +@cache # The parser instance is a singleton. +def _make_fontconfig_parser(): + def comma_separated(elem): + return elem + ZeroOrMore(Suppress(",") + elem) + + family = Regex(fr"([^{_family_punc}]|(\\[{_family_punc}]))*") + size = Regex(r"([0-9]+\.?[0-9]*|\.[0-9]+)") + name = Regex(r"[a-z]+") + value = Regex(fr"([^{_value_punc}]|(\\[{_value_punc}]))*") + prop = Group((name + Suppress("=") + comma_separated(value)) | one_of(_CONSTANTS)) + return ( + Optional(comma_separated(family)("families")) + + Optional("-" + comma_separated(size)("sizes")) + + ZeroOrMore(":" + prop("properties*")) + + StringEnd() + ) + + +# `parse_fontconfig_pattern` is a bottleneck during the tests because it is +# repeatedly called when the rcParams are reset (to validate the default +# fonts). In practice, the cache size doesn't grow beyond a few dozen entries +# during the test suite. +@lru_cache +def parse_fontconfig_pattern(pattern): + """ + Parse a fontconfig *pattern* into a dict that can initialize a + `.font_manager.FontProperties` object. + """ + parser = _make_fontconfig_parser() + try: + parse = parser.parse_string(pattern) + except ParseException as err: + # explain becomes a plain method on pyparsing 3 (err.explain(0)). + raise ValueError("\n" + ParseException.explain(err, 0)) from None + parser.reset_cache() + props = {} + if "families" in parse: + props["family"] = [*map(_family_unescape, parse["families"])] + if "sizes" in parse: + props["size"] = [*parse["sizes"]] + for prop in parse.get("properties", []): + if len(prop) == 1: + prop = _CONSTANTS[prop[0]] + k, *v = prop + props.setdefault(k, []).extend(map(_value_unescape, v)) + return props + + +def generate_fontconfig_pattern(d): + """Convert a `.FontProperties` to a fontconfig pattern string.""" + kvs = [(k, getattr(d, f"get_{k}")()) + for k in ["style", "variant", "weight", "stretch", "file", "size"]] + # Families is given first without a leading keyword. Other entries (which + # are necessarily scalar) are given as key=value, skipping Nones. + return (",".join(_family_escape(f) for f in d.get_family()) + + "".join(f":{k}={_value_escape(str(v))}" + for k, v in kvs if v is not None)) diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_image.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/matplotlib/_image.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..648706e10bcd284865276645272dba9faf206c87 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_image.cpython-312-x86_64-linux-gnu.so @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:676cb5a136568c0e5eae8df1b09a1b1a62fdc8529c24a18d33d3bb19c4562f56 +size 602368 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_image.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_image.pyi new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_internal_utils.py b/.venv/lib/python3.12/site-packages/matplotlib/_internal_utils.py new file mode 100644 index 0000000000000000000000000000000000000000..0223aa593bb2cb20b58f2b9e41bdc0dfa5ceed35 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_internal_utils.py @@ -0,0 +1,64 @@ +""" +Internal debugging utilities, that are not expected to be used in the rest of +the codebase. + +WARNING: Code in this module may change without prior notice! +""" + +from io import StringIO +from pathlib import Path +import subprocess + +from matplotlib.transforms import TransformNode + + +def graphviz_dump_transform(transform, dest, *, highlight=None): + """ + Generate a graphical representation of the transform tree for *transform* + using the :program:`dot` program (which this function depends on). The + output format (png, dot, etc.) is determined from the suffix of *dest*. + + Parameters + ---------- + transform : `~matplotlib.transform.Transform` + The represented transform. + dest : str + Output filename. The extension must be one of the formats supported + by :program:`dot`, e.g. png, svg, dot, ... + (see https://www.graphviz.org/doc/info/output.html). + highlight : list of `~matplotlib.transform.Transform` or None + The transforms in the tree to be drawn in bold. + If *None*, *transform* is highlighted. + """ + + if highlight is None: + highlight = [transform] + seen = set() + + def recurse(root, buf): + if id(root) in seen: + return + seen.add(id(root)) + props = {} + label = type(root).__name__ + if root._invalid: + label = f'[{label}]' + if root in highlight: + props['style'] = 'bold' + props['shape'] = 'box' + props['label'] = '"%s"' % label + props = ' '.join(map('{0[0]}={0[1]}'.format, props.items())) + buf.write(f'{id(root)} [{props}];\n') + for key, val in vars(root).items(): + if isinstance(val, TransformNode) and id(root) in val._parents: + buf.write(f'"{id(root)}" -> "{id(val)}" ' + f'[label="{key}", fontsize=10];\n') + recurse(val, buf) + + buf = StringIO() + buf.write('digraph G {\n') + recurse(transform, buf) + buf.write('}\n') + subprocess.run( + ['dot', '-T', Path(dest).suffix[1:], '-o', dest], + input=buf.getvalue().encode('utf-8'), check=True) diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_layoutgrid.py b/.venv/lib/python3.12/site-packages/matplotlib/_layoutgrid.py new file mode 100644 index 0000000000000000000000000000000000000000..8f81b14765b68fa1f7480c3d34ba74245e39b84f --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_layoutgrid.py @@ -0,0 +1,547 @@ +""" +A layoutgrid is a nrows by ncols set of boxes, meant to be used by +`._constrained_layout`, each box is analogous to a subplotspec element of +a gridspec. + +Each box is defined by left[ncols], right[ncols], bottom[nrows] and top[nrows], +and by two editable margins for each side. The main margin gets its value +set by the size of ticklabels, titles, etc on each Axes that is in the figure. +The outer margin is the padding around the Axes, and space for any +colorbars. + +The "inner" widths and heights of these boxes are then constrained to be the +same (relative the values of `width_ratios[ncols]` and `height_ratios[nrows]`). + +The layoutgrid is then constrained to be contained within a parent layoutgrid, +its column(s) and row(s) specified when it is created. +""" + +import itertools +import kiwisolver as kiwi +import logging +import numpy as np + +import matplotlib as mpl +import matplotlib.patches as mpatches +from matplotlib.transforms import Bbox + +_log = logging.getLogger(__name__) + + +class LayoutGrid: + """ + Analogous to a gridspec, and contained in another LayoutGrid. + """ + + def __init__(self, parent=None, parent_pos=(0, 0), + parent_inner=False, name='', ncols=1, nrows=1, + h_pad=None, w_pad=None, width_ratios=None, + height_ratios=None): + Variable = kiwi.Variable + self.parent_pos = parent_pos + self.parent_inner = parent_inner + self.name = name + seq_id() + if isinstance(parent, LayoutGrid): + self.name = f'{parent.name}.{self.name}' + self.nrows = nrows + self.ncols = ncols + self.height_ratios = np.atleast_1d(height_ratios) + if height_ratios is None: + self.height_ratios = np.ones(nrows) + self.width_ratios = np.atleast_1d(width_ratios) + if width_ratios is None: + self.width_ratios = np.ones(ncols) + + sn = self.name + '_' + if not isinstance(parent, LayoutGrid): + # parent can be a rect if not a LayoutGrid + # allows specifying a rectangle to contain the layout. + self.solver = kiwi.Solver() + else: + parent.add_child(self, *parent_pos) + self.solver = parent.solver + # keep track of artist associated w/ this layout. Can be none + self.artists = np.empty((nrows, ncols), dtype=object) + self.children = np.empty((nrows, ncols), dtype=object) + + self.margins = {} + self.margin_vals = {} + # all the boxes in each column share the same left/right margins: + for todo in ['left', 'right', 'leftcb', 'rightcb']: + # track the value so we can change only if a margin is larger + # than the current value + self.margin_vals[todo] = np.zeros(ncols) + + sol = self.solver + + self.lefts = [Variable(f'{sn}lefts[{i}]') for i in range(ncols)] + self.rights = [Variable(f'{sn}rights[{i}]') for i in range(ncols)] + for todo in ['left', 'right', 'leftcb', 'rightcb']: + self.margins[todo] = [Variable(f'{sn}margins[{todo}][{i}]') + for i in range(ncols)] + for i in range(ncols): + sol.addEditVariable(self.margins[todo][i], 'strong') + + for todo in ['bottom', 'top', 'bottomcb', 'topcb']: + self.margins[todo] = np.empty((nrows), dtype=object) + self.margin_vals[todo] = np.zeros(nrows) + + self.bottoms = [Variable(f'{sn}bottoms[{i}]') for i in range(nrows)] + self.tops = [Variable(f'{sn}tops[{i}]') for i in range(nrows)] + for todo in ['bottom', 'top', 'bottomcb', 'topcb']: + self.margins[todo] = [Variable(f'{sn}margins[{todo}][{i}]') + for i in range(nrows)] + for i in range(nrows): + sol.addEditVariable(self.margins[todo][i], 'strong') + + # set these margins to zero by default. They will be edited as + # children are filled. + self.reset_margins() + self.add_constraints(parent) + + self.h_pad = h_pad + self.w_pad = w_pad + + def __repr__(self): + str = f'LayoutBox: {self.name:25s} {self.nrows}x{self.ncols},\n' + for i in range(self.nrows): + for j in range(self.ncols): + str += f'{i}, {j}: '\ + f'L{self.lefts[j].value():1.3f}, ' \ + f'B{self.bottoms[i].value():1.3f}, ' \ + f'R{self.rights[j].value():1.3f}, ' \ + f'T{self.tops[i].value():1.3f}, ' \ + f'ML{self.margins["left"][j].value():1.3f}, ' \ + f'MR{self.margins["right"][j].value():1.3f}, ' \ + f'MB{self.margins["bottom"][i].value():1.3f}, ' \ + f'MT{self.margins["top"][i].value():1.3f}, \n' + return str + + def reset_margins(self): + """ + Reset all the margins to zero. Must do this after changing + figure size, for instance, because the relative size of the + axes labels etc changes. + """ + for todo in ['left', 'right', 'bottom', 'top', + 'leftcb', 'rightcb', 'bottomcb', 'topcb']: + self.edit_margins(todo, 0.0) + + def add_constraints(self, parent): + # define self-consistent constraints + self.hard_constraints() + # define relationship with parent layoutgrid: + self.parent_constraints(parent) + # define relative widths of the grid cells to each other + # and stack horizontally and vertically. + self.grid_constraints() + + def hard_constraints(self): + """ + These are the redundant constraints, plus ones that make the + rest of the code easier. + """ + for i in range(self.ncols): + hc = [self.rights[i] >= self.lefts[i], + (self.rights[i] - self.margins['right'][i] - + self.margins['rightcb'][i] >= + self.lefts[i] - self.margins['left'][i] - + self.margins['leftcb'][i]) + ] + for c in hc: + self.solver.addConstraint(c | 'required') + + for i in range(self.nrows): + hc = [self.tops[i] >= self.bottoms[i], + (self.tops[i] - self.margins['top'][i] - + self.margins['topcb'][i] >= + self.bottoms[i] - self.margins['bottom'][i] - + self.margins['bottomcb'][i]) + ] + for c in hc: + self.solver.addConstraint(c | 'required') + + def add_child(self, child, i=0, j=0): + # np.ix_ returns the cross product of i and j indices + self.children[np.ix_(np.atleast_1d(i), np.atleast_1d(j))] = child + + def parent_constraints(self, parent): + # constraints that are due to the parent... + # i.e. the first column's left is equal to the + # parent's left, the last column right equal to the + # parent's right... + if not isinstance(parent, LayoutGrid): + # specify a rectangle in figure coordinates + hc = [self.lefts[0] == parent[0], + self.rights[-1] == parent[0] + parent[2], + # top and bottom reversed order... + self.tops[0] == parent[1] + parent[3], + self.bottoms[-1] == parent[1]] + else: + rows, cols = self.parent_pos + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + left = parent.lefts[cols[0]] + right = parent.rights[cols[-1]] + top = parent.tops[rows[0]] + bottom = parent.bottoms[rows[-1]] + if self.parent_inner: + # the layout grid is contained inside the inner + # grid of the parent. + left += parent.margins['left'][cols[0]] + left += parent.margins['leftcb'][cols[0]] + right -= parent.margins['right'][cols[-1]] + right -= parent.margins['rightcb'][cols[-1]] + top -= parent.margins['top'][rows[0]] + top -= parent.margins['topcb'][rows[0]] + bottom += parent.margins['bottom'][rows[-1]] + bottom += parent.margins['bottomcb'][rows[-1]] + hc = [self.lefts[0] == left, + self.rights[-1] == right, + # from top to bottom + self.tops[0] == top, + self.bottoms[-1] == bottom] + for c in hc: + self.solver.addConstraint(c | 'required') + + def grid_constraints(self): + # constrain the ratio of the inner part of the grids + # to be the same (relative to width_ratios) + + # constrain widths: + w = (self.rights[0] - self.margins['right'][0] - + self.margins['rightcb'][0]) + w = (w - self.lefts[0] - self.margins['left'][0] - + self.margins['leftcb'][0]) + w0 = w / self.width_ratios[0] + # from left to right + for i in range(1, self.ncols): + w = (self.rights[i] - self.margins['right'][i] - + self.margins['rightcb'][i]) + w = (w - self.lefts[i] - self.margins['left'][i] - + self.margins['leftcb'][i]) + c = (w == w0 * self.width_ratios[i]) + self.solver.addConstraint(c | 'strong') + # constrain the grid cells to be directly next to each other. + c = (self.rights[i - 1] == self.lefts[i]) + self.solver.addConstraint(c | 'strong') + + # constrain heights: + h = self.tops[0] - self.margins['top'][0] - self.margins['topcb'][0] + h = (h - self.bottoms[0] - self.margins['bottom'][0] - + self.margins['bottomcb'][0]) + h0 = h / self.height_ratios[0] + # from top to bottom: + for i in range(1, self.nrows): + h = (self.tops[i] - self.margins['top'][i] - + self.margins['topcb'][i]) + h = (h - self.bottoms[i] - self.margins['bottom'][i] - + self.margins['bottomcb'][i]) + c = (h == h0 * self.height_ratios[i]) + self.solver.addConstraint(c | 'strong') + # constrain the grid cells to be directly above each other. + c = (self.bottoms[i - 1] == self.tops[i]) + self.solver.addConstraint(c | 'strong') + + # Margin editing: The margins are variable and meant to + # contain things of a fixed size like axes labels, tick labels, titles + # etc + def edit_margin(self, todo, size, cell): + """ + Change the size of the margin for one cell. + + Parameters + ---------- + todo : string (one of 'left', 'right', 'bottom', 'top') + margin to alter. + + size : float + Size of the margin. If it is larger than the existing minimum it + updates the margin size. Fraction of figure size. + + cell : int + Cell column or row to edit. + """ + self.solver.suggestValue(self.margins[todo][cell], size) + self.margin_vals[todo][cell] = size + + def edit_margin_min(self, todo, size, cell=0): + """ + Change the minimum size of the margin for one cell. + + Parameters + ---------- + todo : string (one of 'left', 'right', 'bottom', 'top') + margin to alter. + + size : float + Minimum size of the margin . If it is larger than the + existing minimum it updates the margin size. Fraction of + figure size. + + cell : int + Cell column or row to edit. + """ + + if size > self.margin_vals[todo][cell]: + self.edit_margin(todo, size, cell) + + def edit_margins(self, todo, size): + """ + Change the size of all the margin of all the cells in the layout grid. + + Parameters + ---------- + todo : string (one of 'left', 'right', 'bottom', 'top') + margin to alter. + + size : float + Size to set the margins. Fraction of figure size. + """ + + for i in range(len(self.margin_vals[todo])): + self.edit_margin(todo, size, i) + + def edit_all_margins_min(self, todo, size): + """ + Change the minimum size of all the margin of all + the cells in the layout grid. + + Parameters + ---------- + todo : {'left', 'right', 'bottom', 'top'} + The margin to alter. + + size : float + Minimum size of the margin. If it is larger than the + existing minimum it updates the margin size. Fraction of + figure size. + """ + + for i in range(len(self.margin_vals[todo])): + self.edit_margin_min(todo, size, i) + + def edit_outer_margin_mins(self, margin, ss): + """ + Edit all four margin minimums in one statement. + + Parameters + ---------- + margin : dict + size of margins in a dict with keys 'left', 'right', 'bottom', + 'top' + + ss : SubplotSpec + defines the subplotspec these margins should be applied to + """ + + self.edit_margin_min('left', margin['left'], ss.colspan.start) + self.edit_margin_min('leftcb', margin['leftcb'], ss.colspan.start) + self.edit_margin_min('right', margin['right'], ss.colspan.stop - 1) + self.edit_margin_min('rightcb', margin['rightcb'], ss.colspan.stop - 1) + # rows are from the top down: + self.edit_margin_min('top', margin['top'], ss.rowspan.start) + self.edit_margin_min('topcb', margin['topcb'], ss.rowspan.start) + self.edit_margin_min('bottom', margin['bottom'], ss.rowspan.stop - 1) + self.edit_margin_min('bottomcb', margin['bottomcb'], + ss.rowspan.stop - 1) + + def get_margins(self, todo, col): + """Return the margin at this position""" + return self.margin_vals[todo][col] + + def get_outer_bbox(self, rows=0, cols=0): + """ + Return the outer bounding box of the subplot specs + given by rows and cols. rows and cols can be spans. + """ + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + bbox = Bbox.from_extents( + self.lefts[cols[0]].value(), + self.bottoms[rows[-1]].value(), + self.rights[cols[-1]].value(), + self.tops[rows[0]].value()) + return bbox + + def get_inner_bbox(self, rows=0, cols=0): + """ + Return the inner bounding box of the subplot specs + given by rows and cols. rows and cols can be spans. + """ + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + bbox = Bbox.from_extents( + (self.lefts[cols[0]].value() + + self.margins['left'][cols[0]].value() + + self.margins['leftcb'][cols[0]].value()), + (self.bottoms[rows[-1]].value() + + self.margins['bottom'][rows[-1]].value() + + self.margins['bottomcb'][rows[-1]].value()), + (self.rights[cols[-1]].value() - + self.margins['right'][cols[-1]].value() - + self.margins['rightcb'][cols[-1]].value()), + (self.tops[rows[0]].value() - + self.margins['top'][rows[0]].value() - + self.margins['topcb'][rows[0]].value()) + ) + return bbox + + def get_bbox_for_cb(self, rows=0, cols=0): + """ + Return the bounding box that includes the + decorations but, *not* the colorbar... + """ + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + bbox = Bbox.from_extents( + (self.lefts[cols[0]].value() + + self.margins['leftcb'][cols[0]].value()), + (self.bottoms[rows[-1]].value() + + self.margins['bottomcb'][rows[-1]].value()), + (self.rights[cols[-1]].value() - + self.margins['rightcb'][cols[-1]].value()), + (self.tops[rows[0]].value() - + self.margins['topcb'][rows[0]].value()) + ) + return bbox + + def get_left_margin_bbox(self, rows=0, cols=0): + """ + Return the left margin bounding box of the subplot specs + given by rows and cols. rows and cols can be spans. + """ + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + bbox = Bbox.from_extents( + (self.lefts[cols[0]].value() + + self.margins['leftcb'][cols[0]].value()), + (self.bottoms[rows[-1]].value()), + (self.lefts[cols[0]].value() + + self.margins['leftcb'][cols[0]].value() + + self.margins['left'][cols[0]].value()), + (self.tops[rows[0]].value())) + return bbox + + def get_bottom_margin_bbox(self, rows=0, cols=0): + """ + Return the left margin bounding box of the subplot specs + given by rows and cols. rows and cols can be spans. + """ + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + bbox = Bbox.from_extents( + (self.lefts[cols[0]].value()), + (self.bottoms[rows[-1]].value() + + self.margins['bottomcb'][rows[-1]].value()), + (self.rights[cols[-1]].value()), + (self.bottoms[rows[-1]].value() + + self.margins['bottom'][rows[-1]].value() + + self.margins['bottomcb'][rows[-1]].value() + )) + return bbox + + def get_right_margin_bbox(self, rows=0, cols=0): + """ + Return the left margin bounding box of the subplot specs + given by rows and cols. rows and cols can be spans. + """ + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + bbox = Bbox.from_extents( + (self.rights[cols[-1]].value() - + self.margins['right'][cols[-1]].value() - + self.margins['rightcb'][cols[-1]].value()), + (self.bottoms[rows[-1]].value()), + (self.rights[cols[-1]].value() - + self.margins['rightcb'][cols[-1]].value()), + (self.tops[rows[0]].value())) + return bbox + + def get_top_margin_bbox(self, rows=0, cols=0): + """ + Return the left margin bounding box of the subplot specs + given by rows and cols. rows and cols can be spans. + """ + rows = np.atleast_1d(rows) + cols = np.atleast_1d(cols) + + bbox = Bbox.from_extents( + (self.lefts[cols[0]].value()), + (self.tops[rows[0]].value() - + self.margins['topcb'][rows[0]].value()), + (self.rights[cols[-1]].value()), + (self.tops[rows[0]].value() - + self.margins['topcb'][rows[0]].value() - + self.margins['top'][rows[0]].value())) + return bbox + + def update_variables(self): + """ + Update the variables for the solver attached to this layoutgrid. + """ + self.solver.updateVariables() + +_layoutboxobjnum = itertools.count() + + +def seq_id(): + """Generate a short sequential id for layoutbox objects.""" + return '%06d' % next(_layoutboxobjnum) + + +def plot_children(fig, lg=None, level=0): + """Simple plotting to show where boxes are.""" + if lg is None: + _layoutgrids = fig.get_layout_engine().execute(fig) + lg = _layoutgrids[fig] + colors = mpl.rcParams["axes.prop_cycle"].by_key()["color"] + col = colors[level] + for i in range(lg.nrows): + for j in range(lg.ncols): + bb = lg.get_outer_bbox(rows=i, cols=j) + fig.add_artist( + mpatches.Rectangle(bb.p0, bb.width, bb.height, linewidth=1, + edgecolor='0.7', facecolor='0.7', + alpha=0.2, transform=fig.transFigure, + zorder=-3)) + bbi = lg.get_inner_bbox(rows=i, cols=j) + fig.add_artist( + mpatches.Rectangle(bbi.p0, bbi.width, bbi.height, linewidth=2, + edgecolor=col, facecolor='none', + transform=fig.transFigure, zorder=-2)) + + bbi = lg.get_left_margin_bbox(rows=i, cols=j) + fig.add_artist( + mpatches.Rectangle(bbi.p0, bbi.width, bbi.height, linewidth=0, + edgecolor='none', alpha=0.2, + facecolor=[0.5, 0.7, 0.5], + transform=fig.transFigure, zorder=-2)) + bbi = lg.get_right_margin_bbox(rows=i, cols=j) + fig.add_artist( + mpatches.Rectangle(bbi.p0, bbi.width, bbi.height, linewidth=0, + edgecolor='none', alpha=0.2, + facecolor=[0.7, 0.5, 0.5], + transform=fig.transFigure, zorder=-2)) + bbi = lg.get_bottom_margin_bbox(rows=i, cols=j) + fig.add_artist( + mpatches.Rectangle(bbi.p0, bbi.width, bbi.height, linewidth=0, + edgecolor='none', alpha=0.2, + facecolor=[0.5, 0.5, 0.7], + transform=fig.transFigure, zorder=-2)) + bbi = lg.get_top_margin_bbox(rows=i, cols=j) + fig.add_artist( + mpatches.Rectangle(bbi.p0, bbi.width, bbi.height, linewidth=0, + edgecolor='none', alpha=0.2, + facecolor=[0.7, 0.2, 0.7], + transform=fig.transFigure, zorder=-2)) + for ch in lg.children.flat: + if ch is not None: + plot_children(fig, ch, level=level+1) diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_mathtext.py b/.venv/lib/python3.12/site-packages/matplotlib/_mathtext.py new file mode 100644 index 0000000000000000000000000000000000000000..319d6f065389fd7c957310a84cf7a36e455f8138 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_mathtext.py @@ -0,0 +1,3102 @@ +""" +Implementation details for :mod:`.mathtext`. +""" + +from __future__ import annotations + +import abc +import copy +import enum +import functools +import itertools +import logging +import math +import os +import re +import types +import unicodedata +import string +import textwrap +import typing as T +from typing import NamedTuple + +import numpy as np +from numpy.typing import NDArray +from pyparsing import ( + Empty, Forward, Literal, Group, NotAny, OneOrMore, Optional, + ParseBaseException, ParseException, ParseExpression, ParseFatalException, + ParserElement, ParseResults, QuotedString, Regex, StringEnd, Token, + ZeroOrMore, pyparsing_common, nested_expr, one_of) + +import matplotlib as mpl +from . import cbook +from ._mathtext_data import ( + latex_to_bakoma, stix_glyph_fixes, stix_virtual_fonts, tex2uni) +from .font_manager import FontProperties, findfont, get_font +from .ft2font import FT2Font, Kerning, LoadFlags + + +if T.TYPE_CHECKING: + from collections.abc import Iterable + from .ft2font import CharacterCodeType, Glyph, GlyphIndexType + + +ParserElement.enable_packrat() +_log = logging.getLogger("matplotlib.mathtext") + + +############################################################################## +# FONTS + + +def get_unicode_index(symbol: str) -> CharacterCodeType: # Publicly exported. + r""" + Return the integer index (from the Unicode table) of *symbol*. + + Parameters + ---------- + symbol : str + A single (Unicode) character, a TeX command (e.g. r'\pi') or a Type1 + symbol name (e.g. 'phi'). + """ + try: # This will succeed if symbol is a single Unicode char + return ord(symbol) + except TypeError: + pass + try: # Is symbol a TeX symbol (i.e. \alpha) + return tex2uni[symbol.strip("\\")] + except KeyError as err: + raise ValueError( + f"{symbol!r} is not a valid Unicode character or TeX/Type1 symbol" + ) from err + + +class VectorParse(NamedTuple): + """ + The namedtuple type returned by ``MathTextParser("path").parse(...)``. + + Attributes + ---------- + width, height, depth : float + The global metrics. + glyphs : list + The glyphs including their positions. + rect : list + The list of rectangles. + """ + width: float + height: float + depth: float + glyphs: list[tuple[FT2Font, float, CharacterCodeType, GlyphIndexType, float, float]] + rects: list[tuple[float, float, float, float]] + +VectorParse.__module__ = "matplotlib.mathtext" + + +class RasterParse(NamedTuple): + """ + The namedtuple type returned by ``MathTextParser("agg").parse(...)``. + + Attributes + ---------- + ox, oy : float + The offsets are always zero. + width, height, depth : float + The global metrics. + image : 2D array of uint8 + A raster image. + """ + ox: float + oy: float + width: float + height: float + depth: float + image: NDArray[np.uint8] + +RasterParse.__module__ = "matplotlib.mathtext" + + +class Output: + r""" + Result of `ship`\ping a box: lists of positioned glyphs and rectangles. + + This class is not exposed to end users, but converted to a `VectorParse` or + a `RasterParse` by `.MathTextParser.parse`. + """ + + def __init__(self, box: Box): + self.box = box + self.glyphs: list[tuple[float, float, FontInfo]] = [] # (ox, oy, info) + self.rects: list[tuple[float, float, float, float]] = [] # (x, y, w, h) + + def to_vector(self) -> VectorParse: + w, h, d = map( + np.ceil, [self.box.width, self.box.height, self.box.depth]) + gs = [(info.font, info.fontsize, info.num, info.glyph_index, + ox, h - oy + info.offset) + for ox, oy, info in self.glyphs] + rs = [(bx, h - (by + bh), bw, bh) + for bx, by, bw, bh in self.rects] + # Output.rects has downwards ys, VectorParse.rects has upwards ys. + return VectorParse(w, h + d, d, gs, rs) + + def to_raster(self, *, antialiased: bool) -> RasterParse: + # Metrics y's and mathtext y's are oriented in opposite directions, + # hence the switch between ymin and ymax. + xmin = min([*[ox + info.metrics.xmin for ox, oy, info in self.glyphs], + *[x for x, y, w, h in self.rects], 0]) - 1 + ymin = min([*[oy - info.metrics.ymax for ox, oy, info in self.glyphs], + *[y for x, y, w, h in self.rects], 0]) - 1 + xmax = max([*[ox + info.metrics.xmax for ox, oy, info in self.glyphs], + *[x + w for x, y, w, h in self.rects], 0]) + 1 + ymax = max([*[oy - info.metrics.ymin for ox, oy, info in self.glyphs], + *[y + h for x, y, w, h in self.rects], 0]) + 1 + w = xmax - xmin + h = ymax - ymin - self.box.depth + d = ymax - ymin - self.box.height + image = np.zeros((math.ceil(h + max(d, 0)), math.ceil(w)), np.uint8) + + # Ideally, we could just use self.glyphs and self.rects here, shifting + # their coordinates by (-xmin, -ymin), but this yields slightly + # different results due to floating point slop; shipping twice is the + # old approach and keeps baseline images backcompat. + shifted = ship(self.box, (-xmin, -ymin)) + + for ox, oy, info in shifted.glyphs: + info.font.draw_glyph_to_bitmap( + image, int(ox), int(oy - info.metrics.iceberg), info.glyph, + antialiased=antialiased) + for x, y, bw, bh in shifted.rects: + height = max(int(bh) - 1, 0) + if height == 0: + center = y + bh / 2 + y = int(center - (height + 1) / 2) + else: + y = int(y) + x1 = math.floor(x) + x2 = math.ceil(x + bw) + image[y:y+height+1, x1:x2+1] = 0xff + return RasterParse(0, 0, w, h + d, d, image) + + +class FontMetrics(NamedTuple): + """ + Metrics of a font. + + Attributes + ---------- + advance : float + The advance distance (in points) of the glyph. + height : float + The height of the glyph in points. + width : float + The width of the glyph in points. + xmin, xmax, ymin, ymax : float + The ink rectangle of the glyph. + iceberg : float + The distance from the baseline to the top of the glyph. (This corresponds to + TeX's definition of "height".) + slanted : bool + Whether the glyph should be considered as "slanted" (currently used for kerning + sub/superscripts). + """ + advance: float + height: float + width: float + xmin: float + xmax: float + ymin: float + ymax: float + iceberg: float + slanted: bool + + +class FontInfo(NamedTuple): + font: FT2Font + fontsize: float + postscript_name: str + metrics: FontMetrics + num: CharacterCodeType + glyph_index: GlyphIndexType + glyph: Glyph + offset: float + + +class Fonts(abc.ABC): + """ + An abstract base class for a system of fonts to use for mathtext. + + The class must be able to take symbol keys and font file names and + return the character metrics. It also delegates to a backend class + to do the actual drawing. + """ + + def __init__(self, default_font_prop: FontProperties, load_glyph_flags: LoadFlags): + """ + Parameters + ---------- + default_font_prop : `~.font_manager.FontProperties` + The default non-math font, or the base font for Unicode (generic) + font rendering. + load_glyph_flags : `.ft2font.LoadFlags` + Flags passed to the glyph loader (e.g. ``FT_Load_Glyph`` and + ``FT_Load_Char`` for FreeType-based fonts). + """ + self.default_font_prop = default_font_prop + self.load_glyph_flags = load_glyph_flags + + def get_kern(self, font1: str, fontclass1: str, sym1: str, fontsize1: float, + font2: str, fontclass2: str, sym2: str, fontsize2: float, + dpi: float) -> float: + """ + Get the kerning distance for font between *sym1* and *sym2*. + + See `~.Fonts.get_metrics` for a detailed description of the parameters. + """ + return 0. + + def _get_font(self, font: str) -> FT2Font: + raise NotImplementedError + + def _get_info(self, font: str, font_class: str, sym: str, fontsize: float, + dpi: float) -> FontInfo: + raise NotImplementedError + + def get_metrics(self, font: str, font_class: str, sym: str, fontsize: float, + dpi: float) -> FontMetrics: + r""" + Parameters + ---------- + font : str + One of the TeX font names: "tt", "it", "rm", "cal", "sf", "bf", + "default", "regular", "normal", "bb", "frak", "scr". "default" + and "regular" are synonyms and use the non-math font. + "normal" denotes the normal math font. + font_class : str + One of the TeX font names (as for *font*), but **not** "bb", + "frak", or "scr". This is used to combine two font classes. The + only supported combination currently is ``get_metrics("frak", "bf", + ...)``. + sym : str + A symbol in raw TeX form, e.g., "1", "x", or "\sigma". + fontsize : float + Font size in points. + dpi : float + Rendering dots-per-inch. + + Returns + ------- + FontMetrics + """ + info = self._get_info(font, font_class, sym, fontsize, dpi) + return info.metrics + + def render_glyph(self, output: Output, ox: float, oy: float, font: str, + font_class: str, sym: str, fontsize: float, dpi: float) -> None: + """ + At position (*ox*, *oy*), draw the glyph specified by the remaining + parameters (see `get_metrics` for their detailed description). + """ + info = self._get_info(font, font_class, sym, fontsize, dpi) + output.glyphs.append((ox, oy, info)) + + def render_rect_filled(self, output: Output, + x: float, y: float, w: float, h: float) -> None: + """ + Draw a filled rectangle at (*x*, *y*) with size (*w*, *h*). + """ + output.rects.append((x, y, w, h)) + + def get_axis_height(self, font: str, fontsize: float, dpi: float) -> float: + """ + Get the axis height for the given *font* and *fontsize*. + """ + raise NotImplementedError() + + def get_quad(self, font: str, fontsize: float, dpi: float) -> float: + """ + Get the size of a quad for the given *font* and *fontsize*. + """ + raise NotImplementedError() + + def get_xheight(self, font: str, fontsize: float, dpi: float) -> float: + """ + Get the xheight for the given *font* and *fontsize*. + """ + raise NotImplementedError() + + def get_underline_thickness(self, font: str, fontsize: float, dpi: float) -> float: + """ + Get the line thickness that matches the given font. Used as a + base unit for drawing lines such as in a fraction or radical. + """ + raise NotImplementedError() + + def get_sized_alternatives_for_symbol(self, fontname: str, + sym: str) -> list[tuple[str, str]]: + """ + Override if your font provides multiple sizes of the same + symbol. Should return a list of symbols matching *sym* in + various sizes. The expression renderer will select the most + appropriate size for a given situation from this list. + """ + return [(fontname, sym)] + + def get_font_constants(self) -> type[FontConstantsBase]: + return FontConstantsBase + + +class TruetypeFonts(Fonts, metaclass=abc.ABCMeta): + """ + A generic base class for all font setups that use Truetype fonts + (through FT2Font). + """ + + def __init__(self, default_font_prop: FontProperties, load_glyph_flags: LoadFlags): + super().__init__(default_font_prop, load_glyph_flags) + # Per-instance cache. + self._get_info = functools.cache(self._get_info) # type: ignore[method-assign] + self._fonts = {} + self.fontmap: dict[str, str] = {} + + filename = findfont(self.default_font_prop) + default_font = get_font(filename) + self._fonts['default'] = default_font + self._fonts['regular'] = default_font + + def _get_font(self, font: str) -> FT2Font: + basename = self.fontmap.get(font, font) + cached_font = self._fonts.get(basename) + if cached_font is None and os.path.exists(basename): + cached_font = get_font(basename) + self._fonts[basename] = cached_font + self._fonts[cached_font.postscript_name] = cached_font + self._fonts[cached_font.postscript_name.lower()] = cached_font + return T.cast(FT2Font, cached_font) # FIXME: Not sure this is guaranteed. + + def _get_offset(self, font: FT2Font, glyph: Glyph, fontsize: float, + dpi: float) -> float: + if font.postscript_name == 'Cmex10': + return (glyph.height / 64 / 2) + (fontsize/3 * dpi/72) + return 0. + + def _get_glyph(self, fontname: str, font_class: str, + sym: str) -> tuple[FT2Font, CharacterCodeType, bool]: + raise NotImplementedError + + # The return value of _get_info is cached per-instance. + def _get_info(self, fontname: str, font_class: str, sym: str, fontsize: float, + dpi: float) -> FontInfo: + font, num, slanted = self._get_glyph(fontname, font_class, sym) + font.set_size(fontsize, dpi) + glyph_index = font.get_char_index(num) + glyph = font.load_glyph(glyph_index, flags=self.load_glyph_flags) + + xmin, ymin, xmax, ymax = (val / 64 for val in glyph.bbox) + offset = self._get_offset(font, glyph, fontsize, dpi) + metrics = FontMetrics( + advance=glyph.linearHoriAdvance / 65536, + height=glyph.height / 64, + width=glyph.width / 64, + xmin=xmin, + xmax=xmax, + ymin=ymin + offset, + ymax=ymax + offset, + # iceberg is the equivalent of TeX's "height" + iceberg=glyph.horiBearingY / 64 + offset, + slanted=slanted + ) + + return FontInfo( + font=font, + fontsize=fontsize, + postscript_name=font.postscript_name, + metrics=metrics, + num=num, + glyph_index=glyph_index, + glyph=glyph, + offset=offset + ) + + def get_axis_height(self, fontname: str, fontsize: float, dpi: float) -> float: + consts = self.get_font_constants() + if consts.axis_height is not None: + return consts.axis_height * fontsize * dpi / 72 + else: + # The fraction line (if present) must be aligned with the minus sign. + # Therefore, the height of the latter from the baseline is the axis height. + metrics = self.get_metrics( + fontname, mpl.rcParams['mathtext.default'], '\u2212', fontsize, dpi) + return (metrics.ymax + metrics.ymin) / 2 + + def get_quad(self, fontname: str, fontsize: float, dpi: float) -> float: + consts = self.get_font_constants() + if consts.quad is not None: + return consts.quad * fontsize * dpi / 72 + else: + # With no other option, we measure the size of an 'm'. + metrics = self.get_metrics( + fontname, mpl.rcParams['mathtext.default'], 'm', fontsize, dpi) + return metrics.advance + + def get_xheight(self, fontname: str, fontsize: float, dpi: float) -> float: + consts = self.get_font_constants() + if consts.x_height is not None: + return consts.x_height * fontsize * dpi / 72 + else: + # Some fonts report the wrong x-height, while some don't store it, so + # we do a poor man's x-height. + metrics = self.get_metrics( + fontname, mpl.rcParams['mathtext.default'], 'x', fontsize, dpi) + return metrics.iceberg + + def get_underline_thickness(self, font: str, fontsize: float, dpi: float) -> float: + # This function used to grab underline thickness from the font + # metrics, but that information is just too un-reliable, so it + # is now hardcoded. + return ((0.75 / 12) * fontsize * dpi) / 72 + + def get_kern(self, font1: str, fontclass1: str, sym1: str, fontsize1: float, + font2: str, fontclass2: str, sym2: str, fontsize2: float, + dpi: float) -> float: + if font1 == font2 and fontsize1 == fontsize2: + info1 = self._get_info(font1, fontclass1, sym1, fontsize1, dpi) + info2 = self._get_info(font2, fontclass2, sym2, fontsize2, dpi) + font = info1.font + return font.get_kerning(info1.glyph_index, info2.glyph_index, + Kerning.DEFAULT) / 64 + return super().get_kern(font1, fontclass1, sym1, fontsize1, + font2, fontclass2, sym2, fontsize2, dpi) + + +class BakomaFonts(TruetypeFonts): + """ + Use the Bakoma TrueType fonts for rendering. + + Symbols are strewn about a number of font files, each of which has + its own proprietary 8-bit encoding. + """ + _fontmap = { + 'normal': 'cmmi10', + 'cal': 'cmsy10', + 'rm': 'cmr10', + 'tt': 'cmtt10', + 'it': 'cmti10', + 'bf': 'cmb10', + 'sf': 'cmss10', + 'ex': 'cmex10', + } + + def __init__(self, default_font_prop: FontProperties, load_glyph_flags: LoadFlags): + self._stix_fallback = StixFonts(default_font_prop, load_glyph_flags) + + super().__init__(default_font_prop, load_glyph_flags) + for key, val in self._fontmap.items(): + fullpath = findfont(val) + self.fontmap[key] = fullpath + self.fontmap[val] = fullpath + + _slanted_symbols = set(r"\int \oint".split()) + + def _get_glyph(self, fontname: str, font_class: str, + sym: str) -> tuple[FT2Font, CharacterCodeType, bool]: + font = None + + if fontname in self.fontmap and sym in latex_to_bakoma: + basename, num = latex_to_bakoma[sym] + slanted = (basename in ("cmmi10", "cmti10")) or sym in self._slanted_symbols + font = self._get_font(basename) + elif len(sym) == 1: + slanted = (fontname in ("it", "normal")) + if fontname == "normal" and sym.isdigit(): + # use digits from cmr (roman alphabet) instead of cmm (math alphabet), + # same as LaTeX does. + fontname = "rm" + slanted = False + font = self._get_font(fontname) + if font is not None: + num = ord(sym) + if font is not None and font.get_char_index(num) != 0: + return font, num, slanted + else: + return self._stix_fallback._get_glyph(fontname, font_class, sym) + + # The Bakoma fonts contain many pre-sized alternatives for the delimiters. The + # Auto(Height|Width)Char classes will use these alternatives and select the best + # (closest sized) glyph. + _latex_sizes = ('big', 'Big', 'bigg', 'Bigg') + _size_alternatives = { + '(': [('rm', '('), *[('ex', fr'\__parenleft{s}__') for s in _latex_sizes]], + ')': [('rm', ')'), *[('ex', fr'\__parenright{s}__') for s in _latex_sizes]], + '{': [('ex', fr'\__braceleft{s}__') for s in _latex_sizes], + '}': [('ex', fr'\__braceright{s}__') for s in _latex_sizes], + '[': [('rm', '['), *[('ex', fr'\__bracketleft{s}__') for s in _latex_sizes]], + ']': [('rm', ']'), *[('ex', fr'\__bracketright{s}__') for s in _latex_sizes]], + '<': [('cal', r'\__angbracketleft__'), + *[('ex', fr'\__angbracketleft{s}__') for s in _latex_sizes]], + '>': [('cal', r'\__angbracketright__'), + *[('ex', fr'\__angbracketright{s}__') for s in _latex_sizes]], + r'\lfloor': [('ex', fr'\__floorleft{s}__') for s in _latex_sizes], + r'\rfloor': [('ex', fr'\__floorright{s}__') for s in _latex_sizes], + r'\lceil': [('ex', fr'\__ceilingleft{s}__') for s in _latex_sizes], + r'\rceil': [('ex', fr'\__ceilingright{s}__') for s in _latex_sizes], + r'\__sqrt__': [('ex', fr'\__radical{s}__') for s in _latex_sizes], + r'\backslash': [('ex', fr'\__backslash{s}__') for s in _latex_sizes], + r'/': [('rm', '/'), *[('ex', fr'\__slash{s}__') for s in _latex_sizes]], + r'\widehat': [('rm', '\x5e'), ('ex', r'\__hatwide__'), ('ex', r'\__hatwider__'), + ('ex', r'\__hatwidest__')], + r'\widetilde': [('rm', '\x7e'), ('ex', r'\__tildewide__'), + ('ex', r'\__tildewider__'), ('ex', r'\__tildewidest__')], + } + + for alias, target in [(r'\leftparen', '('), (r'\rightparen', ')'), + (r'\leftbrace', '{'), (r'\rightbrace', '}'), + (r'\leftbracket', '['), (r'\rightbracket', ']'), + (r'\langle', '<'), (r'\rangle', '>'), + (r'\{', '{'), (r'\}', '}'), + (r'\[', '['), (r'\]', ']')]: + _size_alternatives[alias] = _size_alternatives[target] + + def get_sized_alternatives_for_symbol(self, fontname: str, + sym: str) -> list[tuple[str, str]]: + return self._size_alternatives.get(sym, [(fontname, sym)]) + + def get_font_constants(self) -> type[FontConstantsBase]: + return ComputerModernFontConstants + + +class UnicodeFonts(TruetypeFonts): + """ + An abstract base class for handling Unicode fonts. + + While some reasonably complete Unicode fonts (such as DejaVu) may + work in some situations, the only Unicode font I'm aware of with a + complete set of math symbols is STIX. + + This class will "fallback" on the Bakoma fonts when a required + symbol cannot be found in the font. + """ + + # Some glyphs are not present in the `cmr10` font, and must be brought in + # from `cmsy10`. Map the Unicode indices of those glyphs to the indices at + # which they are found in `cmsy10`. + _cmr10_substitutions: dict[CharacterCodeType, CharacterCodeType] = { + 0x00D7: 0x00A3, # Multiplication sign. + 0x2212: 0x00A1, # Minus sign. + } + + def __init__(self, default_font_prop: FontProperties, load_glyph_flags: LoadFlags): + # This must come first so the backend's owner is set correctly + fallback_rc = mpl.rcParams['mathtext.fallback'] + font_cls: type[TruetypeFonts] | None = { + 'stix': StixFonts, + 'stixsans': StixSansFonts, + 'cm': BakomaFonts + }.get(fallback_rc) + self._fallback_font = (font_cls(default_font_prop, load_glyph_flags) + if font_cls else None) + + super().__init__(default_font_prop, load_glyph_flags) + for texfont in "cal rm tt it bf sf bfit".split(): + prop = mpl.rcParams['mathtext.' + texfont] # type: ignore[index] + font = findfont(prop) + self.fontmap[texfont] = font + prop = FontProperties('cmex10') + font = findfont(prop) + self.fontmap['ex'] = font + + # include STIX sized alternatives for glyphs if fallback is STIX + if isinstance(self._fallback_font, StixFonts): + stixsizedaltfonts = { + '0': 'STIXGeneral', + '1': 'STIXSizeOneSym', + '2': 'STIXSizeTwoSym', + '3': 'STIXSizeThreeSym', + '4': 'STIXSizeFourSym', + '5': 'STIXSizeFiveSym', + } + + for size, name in stixsizedaltfonts.items(): + fullpath = findfont(name) + self.fontmap[size] = fullpath + self.fontmap[name] = fullpath + + _slanted_symbols = set(r"\int \oint".split()) + + def _map_virtual_font(self, fontname: str, font_class: str, + uniindex: CharacterCodeType) -> tuple[str, CharacterCodeType]: + return fontname, uniindex + + def _get_glyph(self, fontname: str, font_class: str, + sym: str) -> tuple[FT2Font, CharacterCodeType, bool]: + try: + uniindex = get_unicode_index(sym) + found_symbol = True + except ValueError: + uniindex = ord('?') + found_symbol = False + _log.warning("No TeX to Unicode mapping for %a.", sym) + + fontname, uniindex = self._map_virtual_font(fontname, font_class, uniindex) + + new_fontname = fontname + + # Only characters in the "Letter" class should be italicized in 'it' + # mode. Greek capital letters should be Roman. + if found_symbol: + if fontname == 'normal' and uniindex < 0x10000: + # normal mathematics font + char = chr(uniindex) + if (unicodedata.category(char)[0] != "L" + or unicodedata.name(char).startswith("GREEK CAPITAL")): + new_fontname = 'rm' + else: + new_fontname = 'it' + + slanted = (new_fontname == 'it') or sym in self._slanted_symbols + found_symbol = False + font = self._get_font(new_fontname) + if font is not None: + if (uniindex in self._cmr10_substitutions + and font.family_name == "cmr10"): + font = get_font( + cbook._get_data_path("fonts/ttf/cmsy10.ttf")) + uniindex = self._cmr10_substitutions[uniindex] + glyphindex = font.get_char_index(uniindex) + if glyphindex != 0: + found_symbol = True + + if not found_symbol: + if self._fallback_font: + if (fontname in ('it', 'regular', 'normal') + and isinstance(self._fallback_font, StixFonts)): + fontname = 'rm' + + g = self._fallback_font._get_glyph(fontname, font_class, sym) + family = g[0].family_name + if family in BakomaFonts._fontmap.values(): + family = "Computer Modern" + _log.info("Substituting symbol %s from %s", sym, family) + return g + + else: + if (fontname in ('it', 'regular', 'normal') + and isinstance(self, StixFonts)): + return self._get_glyph('rm', font_class, sym) + _log.warning("Font %r does not have a glyph for %a [U+%x], " + "substituting with a dummy symbol.", + new_fontname, sym, uniindex) + font = self._get_font('rm') + uniindex = 0xA4 # currency char, for lack of anything better + slanted = False + + return font, uniindex, slanted + + def get_sized_alternatives_for_symbol(self, fontname: str, + sym: str) -> list[tuple[str, str]]: + if self._fallback_font: + return self._fallback_font.get_sized_alternatives_for_symbol(fontname, sym) + return [(fontname, sym)] + + +class DejaVuFonts(UnicodeFonts, metaclass=abc.ABCMeta): + _fontmap: dict[str, str] = {} + + def __init__(self, default_font_prop: FontProperties, load_glyph_flags: LoadFlags): + # This must come first so the backend's owner is set correctly + if isinstance(self, DejaVuSerifFonts): + self._fallback_font = StixFonts(default_font_prop, load_glyph_flags) + else: + self._fallback_font = StixSansFonts(default_font_prop, load_glyph_flags) + self.bakoma = BakomaFonts(default_font_prop, load_glyph_flags) + TruetypeFonts.__init__(self, default_font_prop, load_glyph_flags) + # Include Stix sized alternatives for glyphs + self._fontmap.update({ + '1': 'STIXSizeOneSym', + '2': 'STIXSizeTwoSym', + '3': 'STIXSizeThreeSym', + '4': 'STIXSizeFourSym', + '5': 'STIXSizeFiveSym', + }) + for key, name in self._fontmap.items(): + fullpath = findfont(name) + self.fontmap[key] = fullpath + self.fontmap[name] = fullpath + + def _get_glyph(self, fontname: str, font_class: str, + sym: str) -> tuple[FT2Font, CharacterCodeType, bool]: + # Override prime symbol to use Bakoma. + if sym == r'\prime': + return self.bakoma._get_glyph(fontname, font_class, sym) + else: + # check whether the glyph is available in the display font + uniindex = get_unicode_index(sym) + font = self._get_font('ex') + if font is not None: + glyphindex = font.get_char_index(uniindex) + if glyphindex != 0: + return super()._get_glyph('ex', font_class, sym) + # otherwise return regular glyph + return super()._get_glyph(fontname, font_class, sym) + + +class DejaVuSerifFonts(DejaVuFonts): + """ + A font handling class for the DejaVu Serif fonts + + If a glyph is not found it will fallback to Stix Serif + """ + _fontmap = { + 'rm': 'DejaVu Serif', + 'it': 'DejaVu Serif:italic', + 'bf': 'DejaVu Serif:weight=bold', + 'bfit': 'DejaVu Serif:italic:bold', + 'sf': 'DejaVu Sans', + 'tt': 'DejaVu Sans Mono', + 'ex': 'DejaVu Serif Display', + '0': 'DejaVu Serif', + } + + def get_font_constants(self) -> type[FontConstantsBase]: + return DejaVuSerifFontConstants + + +class DejaVuSansFonts(DejaVuFonts): + """ + A font handling class for the DejaVu Sans fonts + + If a glyph is not found it will fallback to Stix Sans + """ + _fontmap = { + 'rm': 'DejaVu Sans', + 'it': 'DejaVu Sans:italic', + 'bf': 'DejaVu Sans:weight=bold', + 'bfit': 'DejaVu Sans:italic:bold', + 'sf': 'DejaVu Sans', + 'tt': 'DejaVu Sans Mono', + 'ex': 'DejaVu Sans Display', + '0': 'DejaVu Sans', + } + + def get_font_constants(self) -> type[FontConstantsBase]: + return DejaVuSansFontConstants + + +class StixFonts(UnicodeFonts): + """ + A font handling class for the STIX fonts. + + In addition to what UnicodeFonts provides, this class: + + - supports "virtual fonts" which are complete alpha numeric + character sets with different font styles at special Unicode + code points, such as "Blackboard". + + - handles sized alternative characters for the STIXSizeX fonts. + """ + _fontmap = { + 'rm': 'STIXGeneral', + 'it': 'STIXGeneral:italic', + 'bf': 'STIXGeneral:weight=bold', + 'bfit': 'STIXGeneral:italic:bold', + 'nonunirm': 'STIXNonUnicode', + 'nonuniit': 'STIXNonUnicode:italic', + 'nonunibf': 'STIXNonUnicode:weight=bold', + '0': 'STIXGeneral', + '1': 'STIXSizeOneSym', + '2': 'STIXSizeTwoSym', + '3': 'STIXSizeThreeSym', + '4': 'STIXSizeFourSym', + '5': 'STIXSizeFiveSym', + } + _fallback_font = None + _sans = False + + def __init__(self, default_font_prop: FontProperties, load_glyph_flags: LoadFlags): + TruetypeFonts.__init__(self, default_font_prop, load_glyph_flags) + for key, name in self._fontmap.items(): + fullpath = findfont(name) + self.fontmap[key] = fullpath + self.fontmap[name] = fullpath + + def _map_virtual_font(self, fontname: str, font_class: str, + uniindex: CharacterCodeType) -> tuple[str, CharacterCodeType]: + # Handle these "fonts" that are actually embedded in + # other fonts. + font_mapping = stix_virtual_fonts.get(fontname) + if (self._sans and font_mapping is None + and fontname not in ('regular', 'default')): + font_mapping = stix_virtual_fonts['sf'] + doing_sans_conversion = True + else: + doing_sans_conversion = False + + if isinstance(font_mapping, dict): + try: + mapping = font_mapping[font_class] + except KeyError: + mapping = font_mapping['rm'] + elif isinstance(font_mapping, list): + mapping = font_mapping + else: + mapping = None + + if mapping is not None: + # Binary search for the source glyph + lo = 0 + hi = len(mapping) + while lo < hi: + mid = (lo+hi)//2 + range = mapping[mid] + if uniindex < range[0]: + hi = mid + elif uniindex <= range[1]: + break + else: + lo = mid + 1 + + if range[0] <= uniindex <= range[1]: + uniindex = uniindex - range[0] + range[3] + fontname = range[2] + elif not doing_sans_conversion: + # This will generate a dummy character + uniindex = 0x1 + fontname = mpl.rcParams['mathtext.default'] + + # Fix some incorrect glyphs. + if fontname in ('rm', 'it', 'normal'): + uniindex = stix_glyph_fixes.get(uniindex, uniindex) + + # Handle private use area glyphs + if fontname in ('it', 'rm', 'bf', 'bfit') and 0xe000 <= uniindex <= 0xf8ff: + fontname = 'nonuni' + fontname + + return fontname, uniindex + + @functools.cache + def get_sized_alternatives_for_symbol(self, fontname: str, + sym: str) -> list[tuple[str, str]]: + fixes = { + '\\{': '{', '\\}': '}', '\\[': '[', '\\]': ']', + '<': '\N{MATHEMATICAL LEFT ANGLE BRACKET}', + '>': '\N{MATHEMATICAL RIGHT ANGLE BRACKET}', + } + sym = fixes.get(sym, sym) + try: + uniindex = get_unicode_index(sym) + except ValueError: + return [(fontname, sym)] + alternatives = [(str(i), chr(uniindex)) for i in range(6) + if self._get_font(str(i)).get_char_index(uniindex) != 0] + # The largest size of the radical symbol in STIX has incorrect + # metrics that cause it to be disconnected from the stem. + if sym == r'\__sqrt__': + alternatives = alternatives[:-1] + return alternatives + + def get_font_constants(self) -> type[FontConstantsBase]: + if self._sans: + return STIXSansFontConstants + else: + return STIXFontConstants + + +class StixSansFonts(StixFonts): + """ + A font handling class for the STIX fonts (that uses sans-serif + characters by default). + """ + _sans = True + + +############################################################################## +# TeX-LIKE BOX MODEL + +# The following is based directly on the document 'woven' from the +# TeX82 source code. This information is also available in printed +# form: +# +# Knuth, Donald E.. 1986. Computers and Typesetting, Volume B: +# TeX: The Program. Addison-Wesley Professional. +# +# The most relevant "chapters" are: +# Data structures for boxes and their friends +# Shipping pages out (ship()) +# Packaging (hpack() and vpack()) +# Data structures for math mode +# Subroutines for math mode +# Typesetting math formulas +# +# Many of the docstrings below refer to a numbered "node" in that +# book, e.g., node123 +# +# Note that (as TeX) y increases downward, unlike many other parts of +# matplotlib. + +# How much text shrinks when going to the next-smallest level. +SHRINK_FACTOR = 0.7 +# The number of different sizes of chars to use, beyond which they will not +# get any smaller +NUM_SIZE_LEVELS = 6 + + +class FontConstantsBase: + """ + A set of constants that controls how certain things, such as sub- + and superscripts are laid out. These are all metrics that can't + be reliably retrieved from the font metrics in the font itself. + """ + # Percentage of x-height of additional horiz. space after sub/superscripts + script_space: T.ClassVar[float] = 0.05 + + # Percentage of x-height that superscripts drop below the top of large box + supdrop: T.ClassVar[float] = 0.4 + + # Percentage of x-height that subscripts drop below the bottom of large box + subdrop: T.ClassVar[float] = 0.4 + + # Percentage of x-height that superscripts are raised from the baseline + sup1: T.ClassVar[float] = 0.7 + + # Percentage of x-height that subscripts drop below the baseline + sub1: T.ClassVar[float] = 0.3 + + # Percentage of x-height that subscripts drop below the baseline when a + # superscript is present + sub2: T.ClassVar[float] = 0.5 + + # Percentage of x-height that sub/superscripts are offset relative to the + # nucleus edge for non-slanted nuclei + delta: T.ClassVar[float] = 0.025 + + # Additional percentage of last character height above 2/3 of the + # x-height that superscripts are offset relative to the subscript + # for slanted nuclei + delta_slanted: T.ClassVar[float] = 0.2 + + # Percentage of x-height that superscripts and subscripts are offset for + # integrals + delta_integral: T.ClassVar[float] = 0.1 + + # Percentage of x-height the numerator is shifted up in display style. + num1: T.ClassVar[float] = 1.4 + + # Percentage of x-height the numerator is shifted up in text, script and + # scriptscript styles if there is a fraction line. + num2: T.ClassVar[float] = 1.5 + + # Percentage of x-height the numerator is shifted up in text, script and + # scriptscript styles if there is no fraction line. + num3: T.ClassVar[float] = 1.3 + + # Percentage of x-height the denominator is shifted down in display style. + denom1: T.ClassVar[float] = 1.3 + + # Percentage of x-height the denominator is shifted down in text, script + # and scriptscript styles. + denom2: T.ClassVar[float] = 1.1 + + # The height of a horizontal reference line used for positioning elements in a + # formula, similar to a baseline, as a multiple of design size. + axis_height: T.ClassVar[float | None] = None + + # The size of a quad space in LaTeX, as a multiple of design size. + quad: T.ClassVar[float | None] = None + + # The size of x-height in font design units (i.e., divided by units-per-em). If not + # provided, then this will be measured from the font itself. + x_height: T.ClassVar[float | None] = None + + +class ComputerModernFontConstants(FontConstantsBase): + # Previously, the x-height of Computer Modern was obtained from the font + # table. However, that x-height was greater than the actual (rendered) + # x-height by a factor of 1.771484375 (at font size 12, DPI 100 and hinting + # type 32). Now that we're using the rendered x-height, some font constants + # have been increased by the same factor to compensate. + script_space = 0.132861328125 + delta = 0.132861328125 + delta_slanted = 0.3 + delta_integral = 0.3 + _x_height = 451470 + # These all come from the cmsy10.tfm metrics, divided by the design xheight from + # there, since we multiply these values by the scaled xheight later. + supdrop = 404864 / _x_height + subdrop = 52429 / _x_height + sup1 = 432949 / _x_height + sub1 = 157286 / _x_height + sub2 = 259226 / _x_height + num1 = 709370 / _x_height + num2 = 412858 / _x_height + num3 = 465286 / _x_height + denom1 = 719272 / _x_height + denom2 = 361592 / _x_height + # These come from the cmsy10.tfm metrics, scaled so they are in multiples of design + # size. + axis_height = 262144 / 2**20 + quad = 1048579 / 2**20 + x_height = _x_height / 2**20 + + +class STIXFontConstants(FontConstantsBase): + script_space = 0.1 + delta = 0.05 + delta_slanted = 0.3 + delta_integral = 0.3 + _x_height = 450 + x_height = _x_height / 1000 + # These values are extracted from the TeX table of STIXGeneral.ttf using FontForge, + # and then divided by design xheight, since we multiply these values by the scaled + # xheight later. + supdrop = 386 / _x_height + subdrop = 50.0002 / _x_height + sup1 = 413 / _x_height + sub1 = 150 / _x_height + sub2 = 309 / _x_height + num1 = 747 / _x_height + num2 = 424 / _x_height + num3 = 474 / _x_height + denom1 = 756 / _x_height + denom2 = 375 / _x_height + # These come from the same TeX table, scaled by Em size so they are in multiples of + # design size. + axis_height = 250 / 1000 + quad = 1000 / 1000 + + +class STIXSansFontConstants(STIXFontConstants): + script_space = 0.05 + delta_slanted = 0.6 + delta_integral = 0.3 + + +class DejaVuSerifFontConstants(FontConstantsBase): + _x_height = 1063 + x_height = _x_height / 2048 + # These values are extracted from the TeX table of DejaVuSerif.ttf using FontForge, + # and then divided by design xheight, since we multiply these values by the scaled + # xheight later. + supdrop = 790.527 / _x_height + subdrop = 102.4 / _x_height + sup1 = 845.824 / _x_height + sub1 = 307.199 / _x_height + sub2 = 632.832 / _x_height + num1 = 1529.86 / _x_height + num2 = 868.352 / _x_height + num3 = 970.752 / _x_height + denom1 = 1548.29 / _x_height + denom2 = 768 / _x_height + # These come from the same TeX table, scaled by Em size so they are in multiples of + # design size. + axis_height = 512 / 2048 + + +class DejaVuSansFontConstants(FontConstantsBase): + _x_height = 1120 + x_height = _x_height / 2048 + # These values are extracted from the TeX table of DejaVuSans.ttf using FontForge, + # and then divided by design xheight, since we multiply these values by the scaled + # xheight later. + supdrop = 790.527 / _x_height + subdrop = 102.4 / _x_height + sup1 = 845.824 / _x_height + sub1 = 307.199 / _x_height + sub2 = 632.832 / _x_height + num1 = 1529.86 / _x_height + num2 = 868.352 / _x_height + num3 = 970.752 / _x_height + denom1 = 1548.29 / _x_height + denom2 = 768 / _x_height + # These come from the same TeX table, scaled by Em size so they are in multiples of + # design size. + axis_height = 512 / 2048 + + +class Node: + """A node in the TeX box model.""" + + def __init__(self) -> None: + self.size = 0 + + def __repr__(self) -> str: + return type(self).__name__ + + def get_kerning(self, next: Node | None) -> float: + return 0.0 + + def shrink(self) -> None: + """ + Shrinks one level smaller. There are only three levels of + sizes, after which things will no longer get smaller. + """ + self.size += 1 + + def render(self, output: Output, x: float, y: float) -> None: + """Render this node.""" + + def is_char_node(self) -> bool: + # TeX defines a `char_node` as one which represents a single character, + # but also states that a `char_node` will never appear in a `Vlist` + # (node134). Further, nuclei made of one `Char` and nuclei made of + # multiple `Char`s have their superscripts and subscripts shifted by + # the same amount. In order to make Mathtext behave similarly, just + # check whether this node is a `Vlist` or has any `Vlist` descendants. + return True + + +class Box(Node): + """A node with a physical location.""" + + def __init__(self, width: float, height: float, depth: float) -> None: + super().__init__() + self.width = width + self.height = height + self.depth = depth + + def shrink(self) -> None: + super().shrink() + if self.size < NUM_SIZE_LEVELS: + self.width *= SHRINK_FACTOR + self.height *= SHRINK_FACTOR + self.depth *= SHRINK_FACTOR + + def render(self, output: Output, # type: ignore[override] + x1: float, y1: float, x2: float, y2: float) -> None: + pass + + +class Vbox(Box): + """A box with only height (zero width).""" + + def __init__(self, height: float, depth: float): + super().__init__(0., height, depth) + + +class Hbox(Box): + """A box with only width (zero height and depth).""" + + def __init__(self, width: float): + super().__init__(width, 0., 0.) + + +class Char(Node): + """ + A single character. + + Unlike TeX, the font information and metrics are stored with each `Char` + to make it easier to lookup the font metrics when needed. Note that TeX + boxes have a width, height, and depth, unlike Type1 and TrueType which use + a full bounding box and an advance in the x-direction. The metrics must + be converted to the TeX model, and the advance (if different from width) + must be converted into a `Kern` node when the `Char` is added to its parent + `Hlist`. + """ + + def __init__(self, c: str, state: ParserState): + super().__init__() + self.c = c + self.fontset = state.fontset + self.font = state.font + self.font_class = state.font_class + self.fontsize = state.fontsize + self.dpi = state.dpi + # The real width, height and depth will be set during the + # pack phase, after we know the real fontsize + self._update_metrics() + + def __repr__(self) -> str: + return '`%s`' % self.c + + def _update_metrics(self) -> None: + metrics = self._metrics = self.fontset.get_metrics( + self.font, self.font_class, self.c, self.fontsize, self.dpi) + if self.c == ' ': + self.width = metrics.advance + else: + self.width = metrics.width + self.height = metrics.iceberg + self.depth = -(metrics.iceberg - metrics.height) + + def is_slanted(self) -> bool: + return self._metrics.slanted + + def get_kerning(self, next: Node | None) -> float: + """ + Return the amount of kerning between this and the given character. + + This method is called when characters are strung together into `Hlist` + to create `Kern` nodes. + """ + advance = self._metrics.advance - self.width + kern = 0. + if isinstance(next, Char): + kern = self.fontset.get_kern( + self.font, self.font_class, self.c, self.fontsize, + next.font, next.font_class, next.c, next.fontsize, + self.dpi) + return advance + kern + + def render(self, output: Output, x: float, y: float) -> None: + self.fontset.render_glyph( + output, x, y, + self.font, self.font_class, self.c, self.fontsize, self.dpi) + + def shrink(self) -> None: + super().shrink() + if self.size < NUM_SIZE_LEVELS: + self.fontsize *= SHRINK_FACTOR + self.width *= SHRINK_FACTOR + self.height *= SHRINK_FACTOR + self.depth *= SHRINK_FACTOR + + +class Accent(Char): + """ + The font metrics need to be dealt with differently for accents, + since they are already offset correctly from the baseline in + TrueType fonts. + """ + def _update_metrics(self) -> None: + metrics = self._metrics = self.fontset.get_metrics( + self.font, self.font_class, self.c, self.fontsize, self.dpi) + self.width = metrics.xmax - metrics.xmin + self.height = metrics.ymax - metrics.ymin + self.depth = 0 + + def shrink(self) -> None: + super().shrink() + self._update_metrics() + + def render(self, output: Output, x: float, y: float) -> None: + self.fontset.render_glyph( + output, x - self._metrics.xmin, y + self._metrics.ymin, + self.font, self.font_class, self.c, self.fontsize, self.dpi) + + +class List(Box): + """A list of nodes (either horizontal or vertical).""" + + def __init__(self, elements: T.Sequence[Node]): + super().__init__(0., 0., 0.) + self.shift_amount = 0. # An arbitrary offset + self.children = [*elements] # The child nodes of this list + # The following parameters are set in the vpack and hpack functions + self.glue_set = 0. # The glue setting of this list + self.glue_sign = 0 # 0: normal, -1: shrinking, 1: stretching + self.glue_order = 0 # The order of infinity (0 - 3) for the glue + + def __repr__(self) -> str: + return "{}[{}]".format( + super().__repr__(), + self.width, self.height, + self.depth, self.shift_amount, + "\n" + textwrap.indent( + "\n".join(map("{!r},".format, self.children)), + " ") + "\n" + if self.children else "" + ) + + def _set_glue(self, x: float, sign: int, totals: list[float], + error_type: str) -> None: + self.glue_order = o = next( + # Highest order of glue used by the members of this list. + (i for i in range(len(totals))[::-1] if totals[i] != 0), 0) + self.glue_sign = sign + if totals[o] != 0.: + self.glue_set = x / totals[o] + else: + self.glue_sign = 0 + self.glue_ratio = 0. + if o == 0: + if len(self.children): + _log.warning("%s %s: %r", + error_type, type(self).__name__, self) + + def shrink(self) -> None: + for child in self.children: + child.shrink() + super().shrink() + if self.size < NUM_SIZE_LEVELS: + self.shift_amount *= SHRINK_FACTOR + self.glue_set *= SHRINK_FACTOR + + +class Hlist(List): + """A horizontal list of boxes.""" + + def __init__(self, elements: T.Sequence[Node], w: float = 0.0, + m: T.Literal['additional', 'exactly'] = 'additional', + do_kern: bool = True): + super().__init__(elements) + if do_kern: + self.kern() + self.hpack(w=w, m=m) + self.is_phantom = False + + def is_char_node(self) -> bool: + # See description in Node.is_char_node. + return all(map(lambda node: node.is_char_node(), self.children)) + + def kern(self) -> None: + """ + Insert `Kern` nodes between `Char` nodes to set kerning. + + The `Char` nodes themselves determine the amount of kerning they need + (in `~Char.get_kerning`), and this function just creates the correct + linked list. + """ + new_children = [] + for elem0, elem1 in itertools.zip_longest(self.children, self.children[1:]): + new_children.append(elem0) + kerning_distance = elem0.get_kerning(elem1) + if kerning_distance != 0.: + kern = Kern(kerning_distance) + new_children.append(kern) + self.children = new_children + + def hpack(self, w: float = 0.0, + m: T.Literal['additional', 'exactly'] = 'additional') -> None: + r""" + Compute the dimensions of the resulting boxes, and adjust the glue if + one of those dimensions is pre-specified. The computed sizes normally + enclose all of the material inside the new box; but some items may + stick out if negative glue is used, if the box is overfull, or if a + ``\vbox`` includes other boxes that have been shifted left. + + Parameters + ---------- + w : float, default: 0 + A width. + m : {'exactly', 'additional'}, default: 'additional' + Whether to produce a box whose width is 'exactly' *w*; or a box + with the natural width of the contents, plus *w* ('additional'). + + Notes + ----- + The defaults produce a box with the natural width of the contents. + """ + # I don't know why these get reset in TeX. Shift_amount is pretty + # much useless if we do. + # self.shift_amount = 0. + h = 0. + d = 0. + x = 0. + total_stretch = [0.] * 4 + total_shrink = [0.] * 4 + for p in self.children: + if isinstance(p, Char): + x += p.width + h = max(h, p.height) + d = max(d, p.depth) + elif isinstance(p, Box): + x += p.width + if not np.isinf(p.height) and not np.isinf(p.depth): + s = getattr(p, 'shift_amount', 0.) + h = max(h, p.height - s) + d = max(d, p.depth + s) + elif isinstance(p, Glue): + glue_spec = p.glue_spec + x += glue_spec.width + total_stretch[glue_spec.stretch_order] += glue_spec.stretch + total_shrink[glue_spec.shrink_order] += glue_spec.shrink + elif isinstance(p, Kern): + x += p.width + self.height = h + self.depth = d + + if m == 'additional': + w += x + self.width = w + x = w - x + + if x == 0.: + self.glue_sign = 0 + self.glue_order = 0 + self.glue_ratio = 0. + return + if x > 0.: + self._set_glue(x, 1, total_stretch, "Overful") + else: + self._set_glue(x, -1, total_shrink, "Underful") + + +class Vlist(List): + """A vertical list of boxes.""" + + def __init__(self, elements: T.Sequence[Node], h: float = 0.0, + m: T.Literal['additional', 'exactly'] = 'additional'): + super().__init__(elements) + self.vpack(h=h, m=m) + + def is_char_node(self) -> bool: + # See description in Node.is_char_node. + return False + + def vpack(self, h: float = 0.0, + m: T.Literal['additional', 'exactly'] = 'additional', + l: float = np.inf) -> None: + """ + Compute the dimensions of the resulting boxes, and to adjust the glue + if one of those dimensions is pre-specified. + + Parameters + ---------- + h : float, default: 0 + A height. + m : {'exactly', 'additional'}, default: 'additional' + Whether to produce a box whose height is 'exactly' *h*; or a box + with the natural height of the contents, plus *h* ('additional'). + l : float, default: np.inf + The maximum height. + + Notes + ----- + The defaults produce a box with the natural height of the contents. + """ + # I don't know why these get reset in TeX. Shift_amount is pretty + # much useless if we do. + # self.shift_amount = 0. + w = 0. + d = 0. + x = 0. + total_stretch = [0.] * 4 + total_shrink = [0.] * 4 + for p in self.children: + if isinstance(p, Box): + x += d + p.height + d = p.depth + if not np.isinf(p.width): + s = getattr(p, 'shift_amount', 0.) + w = max(w, p.width + s) + elif isinstance(p, Glue): + x += d + d = 0. + glue_spec = p.glue_spec + x += glue_spec.width + total_stretch[glue_spec.stretch_order] += glue_spec.stretch + total_shrink[glue_spec.shrink_order] += glue_spec.shrink + elif isinstance(p, Kern): + x += d + p.width + d = 0. + elif isinstance(p, Char): + raise RuntimeError( + "Internal mathtext error: Char node found in Vlist") + + self.width = w + if d > l: + x += d - l + self.depth = l + else: + self.depth = d + + if m == 'additional': + h += x + self.height = h + x = h - x + + if x == 0: + self.glue_sign = 0 + self.glue_order = 0 + self.glue_ratio = 0. + return + + if x > 0.: + self._set_glue(x, 1, total_stretch, "Overful") + else: + self._set_glue(x, -1, total_shrink, "Underful") + + +class Rule(Box): + """ + A solid black rectangle. + + It has *width*, *depth*, and *height* fields just as in an `Hlist`. + However, if any of these dimensions is inf, the actual value will be + determined by running the rule up to the boundary of the innermost + enclosing box. This is called a "running dimension". The width is never + running in an `Hlist`; the height and depth are never running in a `Vlist`. + """ + + def __init__(self, width: float, height: float, depth: float, state: ParserState): + super().__init__(width, height, depth) + self.fontset = state.fontset + + def render(self, output: Output, # type: ignore[override] + x: float, y: float, w: float, h: float) -> None: + self.fontset.render_rect_filled(output, x, y - h, w, h) + + +class Hrule(Rule): + """Convenience class to create a horizontal rule.""" + + def __init__(self, state: ParserState, thickness: float | None = None): + if thickness is None: + thickness = state.get_current_underline_thickness() + height = depth = thickness * 0.5 + super().__init__(np.inf, height, depth, state) + + +class Vrule(Rule): + """Convenience class to create a vertical rule.""" + + def __init__(self, state: ParserState): + thickness = state.get_current_underline_thickness() + super().__init__(thickness, np.inf, np.inf, state) + + +class _GlueSpec(NamedTuple): + width: float + stretch: float + stretch_order: int + shrink: float + shrink_order: int + + +_GlueSpec._named = { # type: ignore[attr-defined] + 'fil': _GlueSpec(0., 1., 1, 0., 0), + 'fill': _GlueSpec(0., 1., 2, 0., 0), + 'filll': _GlueSpec(0., 1., 3, 0., 0), + 'neg_fil': _GlueSpec(0., 0., 0, 1., 1), + 'neg_fill': _GlueSpec(0., 0., 0, 1., 2), + 'neg_filll': _GlueSpec(0., 0., 0, 1., 3), + 'empty': _GlueSpec(0., 0., 0, 0., 0), + 'ss': _GlueSpec(0., 1., 1, -1., 1), +} + + +class Glue(Node): + """ + Most of the information in this object is stored in the underlying + ``_GlueSpec`` class, which is shared between multiple glue objects. + (This is a memory optimization which probably doesn't matter anymore, but + it's easier to stick to what TeX does.) + """ + + def __init__(self, + glue_type: _GlueSpec | T.Literal["fil", "fill", "filll", + "neg_fil", "neg_fill", "neg_filll", + "empty", "ss"]): + super().__init__() + if isinstance(glue_type, str): + glue_spec = _GlueSpec._named[glue_type] # type: ignore[attr-defined] + elif isinstance(glue_type, _GlueSpec): + glue_spec = glue_type + else: + raise ValueError("glue_type must be a glue spec name or instance") + self.glue_spec = glue_spec + + def shrink(self) -> None: + super().shrink() + if self.size < NUM_SIZE_LEVELS: + g = self.glue_spec + self.glue_spec = g._replace(width=g.width * SHRINK_FACTOR) + + +class HCentered(Hlist): + """ + A convenience class to create an `Hlist` whose contents are + centered within its enclosing box. + """ + + def __init__(self, elements: list[Node]): + super().__init__([Glue('ss'), *elements, Glue('ss')], do_kern=False) + + +class VCentered(Vlist): + """ + A convenience class to create a `Vlist` whose contents are + centered within its enclosing box. + """ + + def __init__(self, elements: list[Node]): + super().__init__([Glue('ss'), *elements, Glue('ss')]) + + +class Kern(Node): + """ + A `Kern` node has a width field to specify a (normally + negative) amount of spacing. This spacing correction appears in + horizontal lists between letters like A and V when the font + designer said that it looks better to move them closer together or + further apart. A kern node can also appear in a vertical list, + when its *width* denotes additional spacing in the vertical + direction. + """ + + height = 0 + depth = 0 + + def __init__(self, width: float): + super().__init__() + self.width = width + + def __repr__(self) -> str: + return "k%.02f" % self.width + + def shrink(self) -> None: + super().shrink() + if self.size < NUM_SIZE_LEVELS: + self.width *= SHRINK_FACTOR + + +class AutoHeightChar(Hlist): + """ + A character as close to the given height and depth as possible. + + When using a font with multiple height versions of some characters (such as + the BaKoMa fonts), the correct glyph will be selected, otherwise this will + always just return a scaled version of the glyph. + """ + + def __init__(self, c: str, height: float, depth: float, state: ParserState, + factor: float | None = None): + alternatives = state.fontset.get_sized_alternatives_for_symbol(state.font, c) + + x_height = state.fontset.get_xheight(state.font, state.fontsize, state.dpi) + + state = state.copy() + target_total = height + depth + for fontname, sym in alternatives: + state.font = fontname + char = Char(sym, state) + # Ensure that size 0 is chosen when the text is regular sized but + # with descender glyphs by subtracting 0.2 * x_height + if char.height + char.depth >= target_total - 0.2 * x_height: + break + + shift = 0.0 + if state.font != '0' or len(alternatives) == 1: + if factor is None: + factor = target_total / (char.height + char.depth) + state.fontsize *= factor + char = Char(sym, state) + + shift = (depth - char.depth) + + super().__init__([char]) + self.shift_amount = shift + + +class AutoWidthChar(Hlist): + """ + A character as close to the given width as possible. + + When using a font with multiple width versions of some characters (such as + the BaKoMa fonts), the correct glyph will be selected, otherwise this will + always just return a scaled version of the glyph. + """ + + def __init__(self, c: str, width: float, state: ParserState, + char_class: type[Char] = Char): + alternatives = state.fontset.get_sized_alternatives_for_symbol(state.font, c) + + state = state.copy() + for fontname, sym in alternatives: + state.font = fontname + char = char_class(sym, state) + if char.width >= width: + break + + factor = width / char.width + state.fontsize *= factor + char = char_class(sym, state) + + super().__init__([char]) + self.width = char.width + + +def ship(box: Box, xy: tuple[float, float] = (0, 0)) -> Output: + """ + Ship out *box* at offset *xy*, converting it to an `Output`. + + Since boxes can be inside of boxes inside of boxes, the main work of `ship` + is done by two mutually recursive routines, `hlist_out` and `vlist_out`, + which traverse the `Hlist` nodes and `Vlist` nodes inside of horizontal + and vertical boxes. The global variables used in TeX to store state as it + processes have become local variables here. + """ + ox, oy = xy + cur_v = 0. + cur_h = 0. + off_h = ox + off_v = oy + box.height + output = Output(box) + phantom: list[bool] = [] + + def render(node, *args): + if not any(phantom): + node.render(*args) + + def clamp(value: float) -> float: + return -1e9 if value < -1e9 else +1e9 if value > +1e9 else value + + def hlist_out(box: Hlist) -> None: + nonlocal cur_v, cur_h + + cur_g = 0 + cur_glue = 0. + glue_order = box.glue_order + glue_sign = box.glue_sign + base_line = cur_v + left_edge = cur_h + + phantom.append(box.is_phantom) + + for p in box.children: + if isinstance(p, Char): + render(p, output, cur_h + off_h, cur_v + off_v) + cur_h += p.width + elif isinstance(p, Kern): + cur_h += p.width + elif isinstance(p, List): + # node623 + if len(p.children) == 0: + cur_h += p.width + else: + edge = cur_h + cur_v = base_line + p.shift_amount + if isinstance(p, Hlist): + hlist_out(p) + elif isinstance(p, Vlist): + # p.vpack(box.height + box.depth, 'exactly') + vlist_out(p) + else: + assert False, "unreachable code" + cur_h = edge + p.width + cur_v = base_line + elif isinstance(p, Box): + # node624 + rule_height = p.height + rule_depth = p.depth + rule_width = p.width + if np.isinf(rule_height): + rule_height = box.height + if np.isinf(rule_depth): + rule_depth = box.depth + if rule_height > 0 and rule_width > 0: + cur_v = base_line + rule_depth + render(p, output, + cur_h + off_h, cur_v + off_v, + rule_width, rule_height) + cur_v = base_line + cur_h += rule_width + elif isinstance(p, Glue): + # node625 + glue_spec = p.glue_spec + rule_width = glue_spec.width - cur_g + if glue_sign != 0: # normal + if glue_sign == 1: # stretching + if glue_spec.stretch_order == glue_order: + cur_glue += glue_spec.stretch + cur_g = round(clamp(box.glue_set * cur_glue)) + elif glue_spec.shrink_order == glue_order: + cur_glue += glue_spec.shrink + cur_g = round(clamp(box.glue_set * cur_glue)) + rule_width += cur_g + cur_h += rule_width + + phantom.pop() + + def vlist_out(box: Vlist) -> None: + nonlocal cur_v, cur_h + + cur_g = 0 + cur_glue = 0. + glue_order = box.glue_order + glue_sign = box.glue_sign + left_edge = cur_h + cur_v -= box.height + top_edge = cur_v + + for p in box.children: + if isinstance(p, Kern): + cur_v += p.width + elif isinstance(p, List): + if len(p.children) == 0: + cur_v += p.height + p.depth + else: + cur_v += p.height + cur_h = left_edge + p.shift_amount + save_v = cur_v + p.width = box.width + if isinstance(p, Hlist): + hlist_out(p) + elif isinstance(p, Vlist): + vlist_out(p) + else: + assert False, "unreachable code" + cur_v = save_v + p.depth + cur_h = left_edge + elif isinstance(p, Box): + rule_height = p.height + rule_depth = p.depth + rule_width = p.width + if np.isinf(rule_width): + rule_width = box.width + rule_height += rule_depth + if rule_height > 0 and rule_depth > 0: + cur_v += rule_height + render(p, output, + cur_h + off_h, cur_v + off_v, + rule_width, rule_height) + elif isinstance(p, Glue): + glue_spec = p.glue_spec + rule_height = glue_spec.width - cur_g + if glue_sign != 0: # normal + if glue_sign == 1: # stretching + if glue_spec.stretch_order == glue_order: + cur_glue += glue_spec.stretch + cur_g = round(clamp(box.glue_set * cur_glue)) + elif glue_spec.shrink_order == glue_order: # shrinking + cur_glue += glue_spec.shrink + cur_g = round(clamp(box.glue_set * cur_glue)) + rule_height += cur_g + cur_v += rule_height + elif isinstance(p, Char): + raise RuntimeError( + "Internal mathtext error: Char node found in vlist") + + assert isinstance(box, Hlist) + hlist_out(box) + return output + + +############################################################################## +# PARSER + + +def Error(msg: str) -> ParserElement: + """Helper class to raise parser errors.""" + def raise_error(s: str, loc: int, toks: ParseResults) -> T.Any: + raise ParseFatalException(s, loc, msg) + + return Empty().set_parse_action(raise_error) + + +class _BracedText(Token): + r""" + Match a brace-delimited literal string, allowing nested braces. + + This is similar to ``QuotedString("{", "\\", end_quote_char="}")``, except + that brace depth is tracked, so that the string does not end at the first + ``}``. As in TeX, nested unescaped braces only group, and are not + rendered; a literal brace is written as ``\{`` or ``\}``. A backslash + escapes the following character, which therefore does not affect depth. + """ + + _escapes = {"t": "\t", "n": "\n", "f": "\f", "r": "\r"} + + def __init__(self) -> None: + super().__init__() + self.mayReturnEmpty = True + self.mayIndexError = False + + def parseImpl(self, instring: str, loc: int, + do_actions: bool = True) -> tuple[int, str]: + if loc >= len(instring) or instring[loc] != "{": + raise ParseException(instring, loc, "Expected '{'", self) + chars = [] + depth = 0 + while loc < len(instring): + char = instring[loc] + if char == "\\" and loc + 1 < len(instring): + escaped = instring[loc + 1] + chars.append(self._escapes.get(escaped, escaped)) + loc += 2 + continue + loc += 1 + if char == "{": + depth += 1 + continue + elif char == "}": + depth -= 1 + if depth == 0: + return loc, "".join(chars) + continue + chars.append(char) + raise ParseException(instring, loc, "Expected '}'", self) + + +class ParserState: + """ + Parser state. + + States are pushed and popped from a stack as necessary, and the "current" + state is always at the top of the stack. + + Upon entering and leaving a group { } or math/non-math, the stack is pushed + and popped accordingly. + """ + + def __init__(self, fontset: Fonts, font: str, font_class: str, fontsize: float, + dpi: float): + self.fontset = fontset + self._font = font + self.font_class = font_class + self.fontsize = fontsize + self.dpi = dpi + + def copy(self) -> ParserState: + return copy.copy(self) + + @property + def font(self) -> str: + return self._font + + @font.setter + def font(self, name: str) -> None: + if name in ('normal', 'rm', 'it', 'bf', 'bfit'): + self.font_class = name + self._font = name + + def get_current_underline_thickness(self) -> float: + """Return the underline thickness for this state.""" + return self.fontset.get_underline_thickness( + self.font, self.fontsize, self.dpi) + + +def cmd(expr: str, args: ParserElement) -> ParserElement: + r""" + Helper to define TeX commands. + + ``cmd("\cmd", args)`` is equivalent to + ``"\cmd" - (args | Error("Expected \cmd{arg}{...}"))`` where the names in + the error message are taken from element names in *args*. If *expr* + already includes arguments (e.g. "\cmd{arg}{...}"), then they are stripped + when constructing the parse element, but kept (and *expr* is used as is) in + the error message. + """ + + def names(elt: ParserElement) -> T.Generator[str, None, None]: + if isinstance(elt, ParseExpression): + for expr in elt.exprs: + yield from names(expr) + elif elt.resultsName: + yield elt.resultsName + + csname = expr.split("{", 1)[0] + err = (csname + "".join("{%s}" % name for name in names(args)) + if expr == csname else expr) + return csname - (args | Error(f"Expected {err}")) + + +class Parser: + """ + A pyparsing-based parser for strings containing math expressions. + + Raw text may also appear outside of pairs of ``$``. + + The grammar is based directly on that in TeX, though it cuts a few corners. + """ + + class _MathStyle(enum.Enum): + DISPLAYSTYLE = 0 + TEXTSTYLE = 1 + SCRIPTSTYLE = 2 + SCRIPTSCRIPTSTYLE = 3 + + _binary_operators = set( + '+ * - \N{MINUS SIGN}' + r''' + \pm \sqcap \rhd + \mp \sqcup \unlhd + \times \vee \unrhd + \div \wedge \oplus + \ast \setminus \ominus + \star \wr \otimes + \circ \diamond \oslash + \bullet \bigtriangleup \odot + \cdot \bigtriangledown \bigcirc + \cap \triangleleft \dagger + \cup \triangleright \ddagger + \uplus \lhd \amalg + \dotplus \dotminus \Cap + \Cup \barwedge \boxdot + \boxminus \boxplus \boxtimes + \curlyvee \curlywedge \divideontimes + \doublebarwedge \leftthreetimes \rightthreetimes + \slash \veebar \barvee + \cupdot \intercal \amalg + \circledcirc \circleddash \circledast + \boxbar \obar \merge + \minuscolon \dotsminusdots + '''.split()) + + _relation_symbols = set(r''' + = < > : + \leq \geq \equiv \models + \prec \succ \sim \perp + \preceq \succeq \simeq \mid + \ll \gg \asymp \parallel + \subset \supset \approx \bowtie + \subseteq \supseteq \cong \Join + \sqsubset \sqsupset \neq \smile + \sqsubseteq \sqsupseteq \doteq \frown + \in \ni \propto \vdash + \dashv \dots \doteqdot \leqq + \geqq \lneqq \gneqq \lessgtr + \leqslant \geqslant \eqgtr \eqless + \eqslantless \eqslantgtr \lesseqgtr \backsim + \backsimeq \lesssim \gtrsim \precsim + \precnsim \gnsim \lnsim \succsim + \succnsim \nsim \lesseqqgtr \gtreqqless + \gtreqless \subseteqq \supseteqq \subsetneqq + \supsetneqq \lessapprox \approxeq \gtrapprox + \precapprox \succapprox \precnapprox \succnapprox + \npreccurlyeq \nsucccurlyeq \nsqsubseteq \nsqsupseteq + \sqsubsetneq \sqsupsetneq \nlesssim \ngtrsim + \nlessgtr \ngtrless \lnapprox \gnapprox + \napprox \approxeq \approxident \lll + \ggg \nparallel \Vdash \Vvdash + \nVdash \nvdash \vDash \nvDash + \nVDash \oequal \simneqq \triangle + \triangleq \triangleeq \triangleleft + \triangleright \ntriangleleft \ntriangleright + \trianglelefteq \ntrianglelefteq \trianglerighteq + \ntrianglerighteq \blacktriangleleft \blacktriangleright + \equalparallel \measuredrightangle \varlrtriangle + \Doteq \Bumpeq \Subset \Supset + \backepsilon \because \therefore \bot + \top \bumpeq \circeq \coloneq + \curlyeqprec \curlyeqsucc \eqcirc \eqcolon + \eqsim \fallingdotseq \gtrdot \gtrless + \ltimes \rtimes \lessdot \ne + \ncong \nequiv \ngeq \ngtr + \nleq \nless \nmid \notin + \nprec \nsubset \nsubseteq \nsucc + \nsupset \nsupseteq \pitchfork \preccurlyeq + \risingdotseq \subsetneq \succcurlyeq \supsetneq + \varpropto \vartriangleleft \scurel + \vartriangleright \rightangle \equal \backcong + \eqdef \wedgeq \questeq \between + \veeeq \disin \varisins \isins + \isindot \varisinobar \isinobar \isinvb + \isinE \nisd \varnis \nis + \varniobar \niobar \bagmember \ratio + \Equiv \stareq \measeq \arceq + \rightassert \rightModels \smallin \smallowns + \notsmallowns \nsimeq'''.split()) + + _arrow_symbols = set(r""" + \leftarrow \longleftarrow \uparrow \Leftarrow \Longleftarrow + \Uparrow \rightarrow \longrightarrow \downarrow \Rightarrow + \Longrightarrow \Downarrow \leftrightarrow \updownarrow + \longleftrightarrow \updownarrow \Leftrightarrow + \Longleftrightarrow \Updownarrow \mapsto \longmapsto \nearrow + \hookleftarrow \hookrightarrow \searrow \leftharpoonup + \rightharpoonup \swarrow \leftharpoondown \rightharpoondown + \nwarrow \rightleftharpoons \leadsto \dashrightarrow + \dashleftarrow \leftleftarrows \leftrightarrows \Lleftarrow + \Rrightarrow \twoheadleftarrow \leftarrowtail \looparrowleft + \leftrightharpoons \curvearrowleft \circlearrowleft \Lsh + \upuparrows \upharpoonleft \downharpoonleft \multimap + \leftrightsquigarrow \rightrightarrows \rightleftarrows + \rightrightarrows \rightleftarrows \twoheadrightarrow + \rightarrowtail \looparrowright \rightleftharpoons + \curvearrowright \circlearrowright \Rsh \downdownarrows + \upharpoonright \downharpoonright \rightsquigarrow \nleftarrow + \nrightarrow \nLeftarrow \nRightarrow \nleftrightarrow + \nLeftrightarrow \to \Swarrow \Searrow \Nwarrow \Nearrow + \leftsquigarrow \overleftarrow \overleftrightarrow \cwopencirclearrow + \downzigzagarrow \cupleftarrow \rightzigzagarrow \twoheaddownarrow + \updownarrowbar \twoheaduparrow \rightarrowbar \updownarrows + \barleftarrow \mapsfrom \mapsdown \mapsup \Ldsh \Rdsh + """.split()) + + _spaced_symbols = _binary_operators | _relation_symbols | _arrow_symbols + + _punctuation_symbols = set(r', ; . ! \ldotp \cdotp'.split()) + + _overunder_symbols = set(r''' + \sum \prod \coprod \bigcap \bigcup \bigsqcup \bigvee + \bigwedge \bigodot \bigotimes \bigoplus \biguplus + '''.split()) + + _overunder_functions = set("lim liminf limsup sup max min".split()) + + _dropsub_symbols = set(r'\int \oint \iint \oiint \iiint \oiiint \iiiint'.split()) + + _fontnames = set("rm cal it tt sf bf bfit " + "default bb frak scr regular normal".split()) + + _function_names = set(""" + arccos csc ker min arcsin deg lg Pr arctan det lim sec arg dim + liminf sin cos exp limsup sinh cosh gcd ln sup cot hom log tan + coth inf max tanh""".split()) + + _ambi_delims = set(r""" + | \| / \backslash \uparrow \downarrow \updownarrow \Uparrow + \Downarrow \Updownarrow . \vert \Vert""".split()) + _left_delims = set(r""" + ( [ \{ < \lfloor \langle \lceil \lbrace \leftbrace \lbrack \leftparen \lgroup + """.split()) + _right_delims = set(r""" + ) ] \} > \rfloor \rangle \rceil \rbrace \rightbrace \rbrack \rightparen \rgroup + """.split()) + _delims = _left_delims | _right_delims | _ambi_delims + + _small_greek = set([unicodedata.name(chr(i)).split()[-1].lower() for i in + range(ord('\N{GREEK SMALL LETTER ALPHA}'), + ord('\N{GREEK SMALL LETTER OMEGA}') + 1)]) + _latin_alphabets = set(string.ascii_letters) + + def __init__(self) -> None: + p = types.SimpleNamespace() + + def set_names_and_parse_actions() -> None: + for key, val in vars(p).items(): + if not key.startswith('_'): + # Set names on (almost) everything -- very useful for debugging + # token, placeable, and auto_delim are forward references which + # are left without names to ensure useful error messages + if key not in ("token", "placeable", "auto_delim"): + val.set_name(key) + # Set actions + if hasattr(self, key): + val.set_parse_action(getattr(self, key)) + + # Root definitions. + + # In TeX parlance, a csname is a control sequence name (a "\foo"). + def csnames(group: str, names: Iterable[str]) -> Regex: + ends_with_alpha = [] + ends_with_nonalpha = [] + for name in names: + if name[-1].isalpha(): + ends_with_alpha.append(name) + else: + ends_with_nonalpha.append(name) + return Regex( + r"\\(?P<{group}>(?:{alpha})(?![A-Za-z]){additional}{nonalpha})".format( + group=group, + alpha="|".join(map(re.escape, ends_with_alpha)), + additional="|" if ends_with_nonalpha else "", + nonalpha="|".join(map(re.escape, ends_with_nonalpha)), + ) + ) + + p.float_literal = Regex(r"[-+]?([0-9]+\.?[0-9]*|\.[0-9]+)") + p.space = one_of(self._space_widths)("space") + + p.style_literal = one_of( + [str(e.value) for e in self._MathStyle])("style_literal") + + p.symbol = Regex( + r"[a-zA-Z0-9 +\-*/<>=:,.;!\?&'@()\[\]|\U00000080-\U0001ffff]" + r"|\\[%${}\[\]_|]" + + r"|\\(?:{})(?![A-Za-z])".format( + "|".join(map(re.escape, tex2uni))) + )("sym").leave_whitespace() + p.unknown_symbol = Regex(r"\\[A-Za-z]+")("name") + + p.font = csnames("font", self._fontnames) + p.start_group = Optional(r"\math" + one_of(self._fontnames)("font")) + "{" + p.end_group = Literal("}") + + p.delim = one_of(self._delims) + + # Mutually recursive definitions. (Minimizing the number of Forward + # elements is important for speed.) + p.auto_delim = Forward() + p.placeable = Forward() + p.named_placeable = Forward() + p.required_group = Forward() + p.optional_group = Forward() + p.token = Forward() + + # Workaround for placable being part of a cycle of definitions + # calling `p.placeable("name")` results in a copy, so not guaranteed + # to get the definition added after it is used. + # ref https://github.com/matplotlib/matplotlib/issues/25204 + # xref https://github.com/pyparsing/pyparsing/issues/95 + p.named_placeable <<= p.placeable + + set_names_and_parse_actions() # for mutually recursive definitions. + + p.optional_group <<= "{" + ZeroOrMore(p.token)("group") + "}" + p.required_group <<= "{" + OneOrMore(p.token)("group") + "}" + + p.customspace = cmd(r"\hspace", "{" + p.float_literal("space") + "}") + + p.phantom = cmd(r"\phantom", p.optional_group("value")) + p.llap = cmd(r"\llap", p.optional_group("value")) + p.rlap = cmd(r"\rlap", p.optional_group("value")) + + p.accent = ( + csnames("accent", [*self._accent_map, *self._wide_accents]) + - p.named_placeable("sym")) + + p.function = csnames("name", self._function_names) + + p.group = p.start_group + ZeroOrMore(p.token)("group") + p.end_group + p.unclosed_group = (p.start_group + ZeroOrMore(p.token)("group") + StringEnd()) + + p.frac = cmd(r"\frac", p.required_group("num") + p.required_group("den")) + p.dfrac = cmd(r"\dfrac", p.required_group("num") + p.required_group("den")) + p.binom = cmd(r"\binom", p.required_group("num") + p.required_group("den")) + + p.genfrac = cmd( + r"\genfrac", + "{" + Optional(p.delim)("ldelim") + "}" + + "{" + Optional(p.delim)("rdelim") + "}" + + "{" + p.float_literal("rulesize") + "}" + + "{" + Optional(p.style_literal)("style") + "}" + + p.required_group("num") + + p.required_group("den")) + + p.sqrt = cmd( + r"\sqrt{value}", + Optional("[" + OneOrMore(NotAny("]") + p.token)("root") + "]") + + p.required_group("value")) + + p.overline = cmd(r"\overline", p.required_group("body")) + + p.underline = cmd(r"\underline", p.required_group("body")) + + p.overset = cmd( + r"\overset", + p.optional_group("annotation") + p.optional_group("body")) + p.underset = cmd( + r"\underset", + p.optional_group("annotation") + p.optional_group("body")) + + p.text = cmd(r"\text", _BracedText()) + + p.substack = cmd(r"\substack", + nested_expr(opener="{", closer="}", + content=Group(OneOrMore(p.token)) + + ZeroOrMore(Literal("\\\\").suppress()))("parts")) + + p.subsuper = ( + (Optional(p.placeable)("nucleus") + + OneOrMore(one_of(["_", "^"]) - p.placeable)("subsuper") + + Regex("'*")("apostrophes")) + | Regex("'+")("apostrophes") + | (p.named_placeable("nucleus") + Regex("'*")("apostrophes")) + ) + + p.simple = p.space | p.customspace | p.font | p.subsuper + + p.token <<= ( + p.simple + | p.auto_delim + | p.unclosed_group + | p.unknown_symbol # Must be last + ) + + p.operatorname = cmd(r"\operatorname", "{" + ZeroOrMore(p.simple)("name") + "}") + + p.boldsymbol = cmd( + r"\boldsymbol", "{" + ZeroOrMore(p.simple)("value") + "}") + + p.placeable <<= ( + p.phantom | p.llap | p.rlap + | p.accent # Must be before symbol as all accents are symbols + | p.symbol # Must be second to catch all named symbols and single + # chars not in a group + | p.function + | p.operatorname + | p.group + | p.frac + | p.dfrac + | p.binom + | p.genfrac + | p.overset + | p.underset + | p.sqrt + | p.overline + | p.underline + | p.text + | p.boldsymbol + | p.substack + | p.auto_delim + ) + + mdelim = r"\middle" - (p.delim("mdelim") | Error("Expected a delimiter")) + p.auto_delim <<= ( + r"\left" - (p.delim("left") | Error("Expected a delimiter")) + + ZeroOrMore(p.simple | p.auto_delim | mdelim)("mid") + + r"\right" - (p.delim("right") | Error("Expected a delimiter")) + ) + + # Leaf definitions. + p.math = OneOrMore(p.token) + p.math_string = QuotedString('$', '\\', unquote_results=False) + p.non_math = Regex(r"(?:(?:\\[$])|[^$])*").leave_whitespace() + p.main = ( + p.non_math + ZeroOrMore(p.math_string + p.non_math) + StringEnd() + ) + set_names_and_parse_actions() # for leaf definitions. + + self._expression = p.main + self._math_expression = p.math + + # To add space to nucleus operators after sub/superscripts + self._needs_space_after_subsuper = False + + def parse(self, s: str, fonts_object: Fonts, fontsize: float, dpi: float) -> Hlist: + """ + Parse expression *s* using the given *fonts_object* for + output, at the given *fontsize* and *dpi*. + + Returns the parse tree of `Node` instances. + """ + self._state_stack = [ + ParserState(fonts_object, 'default', 'rm', fontsize, dpi)] + self._em_width_cache: dict[tuple[str, float, float], float] = {} + try: + result = self._expression.parse_string(s) + except ParseBaseException as err: + raise ValueError("\n" + err.explain(0)) from None + self._state_stack = [] + self._needs_space_after_subsuper = False + # prevent operator spacing from leaking into a new expression + self._em_width_cache = {} + ParserElement.reset_cache() + return T.cast(Hlist, result[0]) # Known return type from main. + + def get_state(self) -> ParserState: + """Get the current `State` of the parser.""" + return self._state_stack[-1] + + def pop_state(self) -> None: + """Pop a `State` off of the stack.""" + self._state_stack.pop() + + def push_state(self) -> None: + """Push a new `State` onto the stack, copying the current state.""" + self._state_stack.append(self.get_state().copy()) + + def main(self, toks: ParseResults) -> list[Hlist]: + return [Hlist(toks.as_list())] + + def math_string(self, toks: ParseResults) -> ParseResults: + return self._math_expression.parse_string(toks[0][1:-1], parse_all=True) + + def math(self, toks: ParseResults) -> T.Any: + hlist = Hlist(toks.as_list()) + self.pop_state() + return [hlist] + + def non_math(self, toks: ParseResults) -> T.Any: + s = toks[0].replace(r'\$', '$') + symbols = [Char(c, self.get_state()) for c in s] + hlist = Hlist(symbols) + # We're going into math now, so set font to 'normal' + self.push_state() + self.get_state().font = mpl.rcParams['mathtext.default'] + return [hlist] + + float_literal = staticmethod(pyparsing_common.convert_to_float) + + def text(self, toks: ParseResults) -> T.Any: + self.push_state() + state = self.get_state() + state.font = 'rm' + hlist = Hlist([Char(c, state) for c in toks[1]]) + self.pop_state() + return [hlist] + + def _make_space(self, percentage: float) -> Kern: + # In TeX, an em (the unit usually used to measure horizontal lengths) + # is not the width of the character 'm'; it is the same in different + # font styles (e.g. roman or italic). Mathtext, however, uses 'm' in + # the normal style so that horizontal spaces don't depend on the + # current font style. + # TODO: this should be read from the font file + state = self.get_state() + key = (state.font, state.fontsize, state.dpi) + width = self._em_width_cache.get(key) + if width is None: + width = state.fontset.get_quad('normal', state.fontsize, state.dpi) + self._em_width_cache[key] = width + return Kern(width * percentage) + + _space_widths = { + r'\,': 0.16667, # 3/18 em = 3 mu + r'\thinspace': 0.16667, # 3/18 em = 3 mu + r'\/': 0.16667, # 3/18 em = 3 mu + r'\>': 0.22222, # 4/18 em = 4 mu + r'\:': 0.22222, # 4/18 em = 4 mu + r'\;': 0.27778, # 5/18 em = 5 mu + r'\ ': 0.33333, # 6/18 em = 6 mu + r'~': 0.33333, # 6/18 em = 6 mu, nonbreakable + r'\enspace': 0.5, # 9/18 em = 9 mu + r'\quad': 1, # 1 em = 18 mu + r'\qquad': 2, # 2 em = 36 mu + r'\!': -0.16667, # -3/18 em = -3 mu + } + + def space(self, toks: ParseResults) -> T.Any: + num = self._space_widths[toks["space"]] + box = self._make_space(num) + return [box] + + def customspace(self, toks: ParseResults) -> T.Any: + return [self._make_space(toks["space"])] + + def symbol(self, s: str, loc: int, + toks: ParseResults | dict[str, str]) -> T.Any: + c = toks["sym"] + if c == "-": + # "U+2212 minus sign is the preferred representation of the unary + # and binary minus sign rather than the ASCII-derived U+002D + # hyphen-minus, because minus sign is unambiguous and because it + # is rendered with a more desirable length, usually longer than a + # hyphen." (https://www.unicode.org/reports/tr25/) + c = "\N{MINUS SIGN}" + try: + char = Char(c, self.get_state()) + except ValueError as err: + raise ParseFatalException(s, loc, + "Unknown symbol: %s" % c) from err + + if c in self._spaced_symbols: + # iterate until we find previous character, needed for cases + # such as $=-2$, ${ -2}$, $ -2$, or $ -2$. + prev_char = next((c for c in s[:loc][::-1] if c != ' '), '') + # Binary operators at start of string should not be spaced + # Also, operators in sub- or superscripts should not be spaced + if (self._needs_space_after_subsuper or ( + c in self._binary_operators and ( + len(s[:loc].split()) == 0 or prev_char in { + '{', *self._left_delims, *self._relation_symbols}))): + return [char] + else: + return [Hlist([self._make_space(0.2), + char, + self._make_space(0.2)], + do_kern=True)] + elif c in self._punctuation_symbols: + prev_char = next((c for c in s[:loc][::-1] if c != ' '), '') + next_char = next((c for c in s[loc + 1:] if c != ' '), '') + + # Do not space commas between brackets + if c == ',': + if prev_char == '{' and next_char == '}': + return [char] + + # Do not space dots as decimal separators + if c == '.' and prev_char.isdigit() and next_char.isdigit(): + return [char] + else: + return [Hlist([char, self._make_space(0.2)], do_kern=True)] + return [char] + + def unknown_symbol(self, s: str, loc: int, toks: ParseResults) -> T.Any: + raise ParseFatalException(s, loc, f"Unknown symbol: {toks['name']}") + + def phantom(self, toks: ParseResults) -> T.Any: + toks["value"].is_phantom = True + return toks["value"] + + def llap(self, toks: ParseResults) -> T.Any: + return [Hlist([Kern(-toks["value"].width), toks["value"]])] + + def rlap(self, toks: ParseResults) -> T.Any: + return [Hlist([toks["value"], Kern(-toks["value"].width)])] + + _accent_map = { + r'hat': r'\circumflexaccent', + r'breve': r'\combiningbreve', + r'bar': r'\combiningoverline', + r'grave': r'\combininggraveaccent', + r'acute': r'\combiningacuteaccent', + r'tilde': r'\combiningtilde', + r'dot': r'\combiningdotabove', + r'ddot': r'\combiningdiaeresis', + r'dddot': r'\combiningthreedotsabove', + r'ddddot': r'\combiningfourdotsabove', + r'vec': r'\combiningrightarrowabove', + r'"': r'\combiningdiaeresis', + r"`": r'\combininggraveaccent', + r"'": r'\combiningacuteaccent', + r'~': r'\combiningtilde', + r'.': r'\combiningdotabove', + r'^': r'\circumflexaccent', + r'overrightarrow': r'\rightarrow', + r'overleftarrow': r'\leftarrow', + r'mathring': r'\circ', + } + + _wide_accents = set(r"widehat widetilde widebar".split()) + + def accent(self, toks: ParseResults) -> T.Any: + state = self.get_state() + thickness = state.get_current_underline_thickness() + accent = toks["accent"] + sym = toks["sym"] + accent_box: Node + if accent in self._wide_accents: + accent_box = AutoWidthChar( + '\\' + accent, sym.width, state, char_class=Accent) + centered = HCentered([accent_box]) + else: + accent_box = Accent(self._accent_map[accent], state) + if accent == 'mathring': + accent_box.shrink() + accent_box.shrink() + centered = HCentered([Hbox(sym.width / 4.0), accent_box]) + centered.hpack(sym.width, 'exactly') + return Vlist([ + centered, + Vbox(0., thickness * 2.0), + Hlist([sym]) + ]) + + def function(self, s: str, loc: int, toks: ParseResults) -> T.Any: + hlist = self.operatorname(s, loc, toks) + hlist.function_name = toks["name"] + return hlist + + def operatorname(self, s: str, loc: int, toks: ParseResults) -> T.Any: + self.push_state() + state = self.get_state() + state.font = 'rm' + hlist_list: list[Node] = [] + # Change the font of Chars, but leave Kerns alone + name = toks["name"] + for c in name: + if isinstance(c, Char): + c.font = 'rm' + c._update_metrics() + hlist_list.append(c) + elif isinstance(c, str): + hlist_list.append(Char(c, state)) + else: + hlist_list.append(c) + next_char_loc = loc + len(name) + 1 + if isinstance(name, ParseResults): + next_char_loc += len('operatorname{}') + next_char = next((c for c in s[next_char_loc:] if c != ' '), '') + delimiters = self._delims | {'^', '_'} + if next_char not in delimiters: + # Add thin space except when followed by parenthesis, bracket, etc. + hlist_list += [self._make_space(self._space_widths[r'\,'])] + self.pop_state() + # If followed by a sub/superscript, set flag to true to tell subsuper + # to add space after this operator. + self._needs_space_after_subsuper = next_char in {'^', '_'} + return Hlist(hlist_list) + + def start_group(self, toks: ParseResults) -> T.Any: + self.push_state() + # Deal with LaTeX-style font tokens + if toks.get("font"): + self.get_state().font = toks.get("font") + return [] + + def group(self, toks: ParseResults) -> T.Any: + grp = Hlist(toks.get("group", [])) + return [grp] + + def required_group(self, toks: ParseResults) -> T.Any: + return Hlist(toks.get("group", [])) + + optional_group = required_group + + def end_group(self) -> T.Any: + self.pop_state() + return [] + + def unclosed_group(self, s: str, loc: int, toks: ParseResults) -> T.Any: + raise ParseFatalException(s, len(s), "Expected '}'") + + def font(self, toks: ParseResults) -> T.Any: + self.get_state().font = toks["font"] + return [] + + def is_overunder(self, nucleus: Node) -> bool: + if isinstance(nucleus, Char): + return nucleus.c in self._overunder_symbols + elif isinstance(nucleus, Hlist) and hasattr(nucleus, 'function_name'): + return nucleus.function_name in self._overunder_functions + return False + + def is_dropsub(self, nucleus: Node) -> bool: + if isinstance(nucleus, Char): + return nucleus.c in self._dropsub_symbols + return False + + def is_slanted(self, nucleus: Node) -> bool: + if isinstance(nucleus, Char): + return nucleus.is_slanted() + return False + + def subsuper(self, s: str, loc: int, toks: ParseResults) -> T.Any: + nucleus = toks.get("nucleus", Hbox(0)) + subsuper = toks.get("subsuper", []) + napostrophes = len(toks.get("apostrophes", [])) + + if not subsuper and not napostrophes: + return nucleus + + sub = super = None + while subsuper: + op, arg, *subsuper = subsuper + if op == '_': + if sub is not None: + raise ParseFatalException("Double subscript") + sub = arg + else: + if super is not None: + raise ParseFatalException("Double superscript") + super = arg + + state = self.get_state() + rule_thickness = state.fontset.get_underline_thickness( + state.font, state.fontsize, state.dpi) + x_height = state.fontset.get_xheight(state.font, state.fontsize, state.dpi) + + if napostrophes: + if super is None: + super = Hlist([]) + elif not isinstance(super, Hlist): + # A single-char superscript is a bare Char; wrap it so the + # prime glyphs can be appended. + super = Hlist([super]) + for i in range(napostrophes): + super.children.extend(self.symbol(s, loc, {"sym": "\\prime"})) + # kern() and hpack() needed to get the metrics right after + # extending + super.kern() + super.hpack() + + # Handle over/under symbols, such as sum or prod + if self.is_overunder(nucleus): + vlist = [] + shift = 0. + width = nucleus.width + if super is not None: + super.shrink() + width = max(width, super.width) + if sub is not None: + sub.shrink() + width = max(width, sub.width) + + vgap = rule_thickness * 3.0 + if super is not None: + hlist = HCentered([super]) + hlist.hpack(width, 'exactly') + vlist.extend([hlist, Vbox(0, vgap)]) + hlist = HCentered([nucleus]) + hlist.hpack(width, 'exactly') + vlist.append(hlist) + if sub is not None: + hlist = HCentered([sub]) + hlist.hpack(width, 'exactly') + vlist.extend([Vbox(0, vgap), hlist]) + shift = hlist.height + vgap + nucleus.depth + vlt = Vlist(vlist) + vlt.shift_amount = shift + optional_spacing = ([self._make_space(self._space_widths[r'\,'])] + if self._needs_space_after_subsuper else []) + self._needs_space_after_subsuper = False + result = Hlist([vlt, *optional_spacing]) + return [result] + + # We remove kerning on the last character for consistency (otherwise + # it will compute kerning based on non-shrunk characters and may put + # them too close together when superscripted) + # We change the width of the last character to match the advance to + # consider some fonts with weird metrics: e.g. stix's f has a width of + # 7.75 and a kerning of -4.0 for an advance of 3.72, and we want to put + # the superscript at the advance + last_char = nucleus + if isinstance(nucleus, Hlist): + new_children = nucleus.children + if len(new_children): + # remove last kern + if (isinstance(new_children[-1], Kern) and + isinstance(new_children[-2], Char)): + new_children = new_children[:-1] + last_char = new_children[-1] + if isinstance(last_char, Char): + last_char.width = last_char._metrics.advance + # create new Hlist without kerning + nucleus = Hlist(new_children, do_kern=False) + else: + if isinstance(nucleus, Char): + last_char.width = last_char._metrics.advance + nucleus = Hlist([nucleus]) + + # Handle regular sub/superscripts + consts = state.fontset.get_font_constants() + lc_height = last_char.height + lc_baseline = 0.0 + if self.is_dropsub(last_char): + lc_baseline = last_char.depth + + # Compute kerning for sub and super + superkern = consts.delta * x_height + subkern = consts.delta * x_height + if self.is_slanted(last_char): + superkern += consts.delta * x_height + superkern += consts.delta_slanted * (lc_height - x_height * 2 / 3) + if self.is_dropsub(last_char): + subkern = (3 * consts.delta - consts.delta_integral) * lc_height + superkern = (3 * consts.delta + consts.delta_integral) * lc_height + else: + subkern = 0 + + # Set the minimum shifts for the superscript and subscript (node756). + if nucleus.is_char_node(): + shift_up = 0.0 + shift_down = 0.0 + else: + shrunk_x_height = state.fontset.get_xheight( + state.font, state.fontsize * SHRINK_FACTOR, state.dpi) + shift_up = nucleus.height - consts.supdrop * shrunk_x_height + shift_down = nucleus.depth + consts.subdrop * shrunk_x_height + + x: List + if super is None: + # Align subscript without superscript (node757). + # Note: One of super or sub must be a Node if we're in this function, but + # mypy can't know this, since it can't interpret pyparsing expressions, + # hence the cast. + x = Hlist([Kern(subkern), T.cast(Node, sub)]) + x.shrink() + if self.is_dropsub(last_char): + shift_down = lc_baseline + consts.subdrop * x_height + else: + shift_down = max(shift_down, consts.sub1 * x_height, + x.height - x_height * 4 / 5) + x.shift_amount = shift_down + else: + # Align superscript (node758). + x = Hlist([Kern(superkern), super]) + x.shrink() + if self.is_dropsub(last_char): + shift_up = lc_height - consts.subdrop * x_height + else: + shift_up = max(shift_up, consts.sup1 * x_height, x.depth + x_height / 4) + if sub is None: + x.shift_amount = -shift_up + else: + # Align subscript with superscript (node759). + y = Hlist([Kern(subkern), sub]) + y.shrink() + if self.is_dropsub(last_char): + shift_down = lc_baseline + consts.subdrop * x_height + else: + shift_down = max(shift_down, consts.sub2 * x_height) + # If the subscript and superscript are too close to each other, + # move the subscript down. + clr = (4 * rule_thickness - + ((shift_up - x.depth) - (y.height - shift_down))) + if clr > 0.: + shift_down += clr + clr = x_height * 4 / 5 - shift_up + x.depth + if clr > 0: + shift_up += clr + shift_down -= clr + x = Vlist([ + x, + Kern((shift_up - x.depth) - (y.height - shift_down)), + y]) + x.shift_amount = shift_down + + if not self.is_dropsub(last_char): + x.width += consts.script_space * x_height + + # Do we need to add a space after the nucleus? + # To find out, check the flag set by operatorname + optional_spacing = ([self._make_space(self._space_widths[r'\,'])] + if self._needs_space_after_subsuper else []) + self._needs_space_after_subsuper = False + result = Hlist([nucleus, x, *optional_spacing]) + return [result] + + def _genfrac(self, ldelim: str, rdelim: str, rule: float | None, style: _MathStyle, + num: Hlist, den: Hlist) -> T.Any: + state = self.get_state() + thickness = state.get_current_underline_thickness() + + axis_height = state.fontset.get_axis_height( + state.font, state.fontsize, state.dpi) + consts = state.fontset.get_font_constants() + x_height = state.fontset.get_xheight(state.font, state.fontsize, state.dpi) + + for _ in range(style.value): + x_height *= SHRINK_FACTOR + num.shrink() + den.shrink() + cnum = HCentered([num]) + cden = HCentered([den]) + width = max(num.width, den.width) + cnum.hpack(width, 'exactly') + cden.hpack(width, 'exactly') + + # Align the fraction with a fraction line (node743, node744 and node746). + if rule: + if style is self._MathStyle.DISPLAYSTYLE: + num_shift_up = consts.num1 * x_height + den_shift_down = consts.denom1 * x_height + clr = 3 * rule # The minimum clearance. + else: + num_shift_up = consts.num2 * x_height + den_shift_down = consts.denom2 * x_height + clr = rule # The minimum clearance. + delta = rule / 2 + num_clr = max((num_shift_up - cnum.depth) - (axis_height + delta), clr) + den_clr = max((axis_height - delta) - (cden.height - den_shift_down), clr) + vlist = Vlist([cnum, # numerator + Vbox(0, num_clr), # space + Hrule(state, rule), # rule + Vbox(0, den_clr), # space + cden # denominator + ]) + vlist.shift_amount = cden.height + den_clr + delta - axis_height + + # Align the fraction without a fraction line (node743, node744 and node745). + else: + if style is self._MathStyle.DISPLAYSTYLE: + num_shift_up = consts.num1 * x_height + den_shift_down = consts.denom1 * x_height + min_clr = 7 * thickness # The minimum clearance. + else: + num_shift_up = consts.num3 * x_height + den_shift_down = consts.denom2 * x_height + min_clr = 3 * thickness # The minimum clearance. + def_clr = (num_shift_up - cnum.depth) - (cden.height - den_shift_down) + clr = max(def_clr, min_clr) + vlist = Vlist([cnum, # numerator + Vbox(0, clr), # space + cden # denominator + ]) + vlist.shift_amount = den_shift_down + if def_clr < min_clr: + vlist.shift_amount += (min_clr - def_clr) / 2 + + result: list[Box | Char | str] = [Hlist([ + Hbox(thickness), + vlist, + Hbox(thickness) + ])] + if ldelim or rdelim: + return self._auto_sized_delimiter(ldelim or ".", result, rdelim or ".") + return result + + def style_literal(self, toks: ParseResults) -> T.Any: + return self._MathStyle(int(toks["style_literal"])) + + def genfrac(self, toks: ParseResults) -> T.Any: + return self._genfrac( + toks.get("ldelim", ""), toks.get("rdelim", ""), + toks["rulesize"], toks.get("style", self._MathStyle.TEXTSTYLE), + toks["num"], toks["den"]) + + def frac(self, toks: ParseResults) -> T.Any: + return self._genfrac( + "", "", self.get_state().get_current_underline_thickness(), + self._MathStyle.TEXTSTYLE, toks["num"], toks["den"]) + + def dfrac(self, toks: ParseResults) -> T.Any: + return self._genfrac( + "", "", self.get_state().get_current_underline_thickness(), + self._MathStyle.DISPLAYSTYLE, toks["num"], toks["den"]) + + def binom(self, toks: ParseResults) -> T.Any: + return self._genfrac( + "(", ")", 0, + self._MathStyle.TEXTSTYLE, toks["num"], toks["den"]) + + def _genset(self, s: str, loc: int, toks: ParseResults) -> T.Any: + annotation = toks["annotation"] + body = toks["body"] + thickness = self.get_state().get_current_underline_thickness() + + annotation.shrink() + centered_annotation = HCentered([annotation]) + centered_body = HCentered([body]) + width = max(centered_annotation.width, centered_body.width) + centered_annotation.hpack(width, 'exactly') + centered_body.hpack(width, 'exactly') + + vgap = thickness * 3 + if s[loc + 1] == "u": # \underset + vlist = Vlist([ + centered_body, # body + Vbox(0, vgap), # space + centered_annotation # annotation + ]) + # Shift so the body sits in the same vertical position + vlist.shift_amount = centered_body.depth + centered_annotation.height + vgap + else: # \overset + vlist = Vlist([ + centered_annotation, # annotation + Vbox(0, vgap), # space + centered_body # body + ]) + + # To add horizontal gap between symbols: wrap the Vlist into + # an Hlist and extend it with an Hbox(0, horizontal_gap) + return vlist + + overset = underset = _genset + + def sqrt(self, toks: ParseResults) -> T.Any: + root = toks.get("root") + body = toks["value"] + state = self.get_state() + thickness = state.get_current_underline_thickness() + + # Determine the height of the body, and add a little extra to + # the height so it doesn't seem cramped + height = body.height - body.shift_amount + 5 * thickness + depth = body.depth + body.shift_amount + check = AutoHeightChar(r'\__sqrt__', height, depth, state) + height = check.height - check.shift_amount + depth = check.depth + check.shift_amount + + # Put a little extra space to the left and right of the body + padded_body = Hlist([Hbox(2 * thickness), body, Hbox(2 * thickness)]) + rightside = Vlist([Hrule(state), Glue('fill'), padded_body]) + # Stretch the glue between the hrule and the body + rightside.vpack(height + (state.fontsize * state.dpi) / (100 * 12), + 'exactly', depth) + + # Add the root and shift it upward so it is above the tick. + # The value of 0.6 is a hard-coded hack ;) + if not root: + root = Box(0.5 * check.width, 0., 0.) + else: + root = Hlist(root) + root.shrink() + root.shrink() + + root_vlist = Vlist([Hlist([root])]) + root_vlist.shift_amount = -height * 0.6 + + hlist = Hlist([ + root_vlist, # Root + Kern(-0.5 * check.width), # Negative kerning to put root over tick + check, # Check + rightside, # Body + ]) + return [hlist] + + def overline(self, toks: ParseResults) -> T.Any: + body = toks["body"] + + state = self.get_state() + thickness = state.get_current_underline_thickness() + + height = body.height - body.shift_amount + 3 * thickness + depth = body.depth + body.shift_amount + + # Place overline above body + rightside = Vlist([Hrule(state), Glue('fill'), Hlist([body])]) + + # Stretch the glue between the hrule and the body + rightside.vpack(height + (state.fontsize * state.dpi) / (100 * 12), + 'exactly', depth) + + hlist = Hlist([rightside]) + return [hlist] + + def underline(self, toks: ParseResults) -> T.Any: + body = toks["body"] + state = self.get_state() + thickness = state.get_current_underline_thickness() + # Place the underline below `body` (node735). + vlist = Vlist([ + Hlist([body]), + Kern(3 * thickness), + Hrule(state, thickness), + ]) + delta = vlist.height + vlist.depth + thickness + vlist.height = body.height + vlist.depth = delta - vlist.height + return [Hlist([vlist])] + + def _auto_sized_delimiter(self, front: str, + middle: list[Box | Char | str], + back: str) -> T.Any: + state = self.get_state() + if len(middle): + height = max([x.height for x in middle if not isinstance(x, str)]) + depth = max([x.depth for x in middle if not isinstance(x, str)]) + factor = None + for idx, el in enumerate(middle): + if el == r'\middle': + c = T.cast(str, middle[idx + 1]) # Should be one of p.delims. + if c != '.': + middle[idx + 1] = AutoHeightChar( + c, height, depth, state, factor=factor) + else: + middle.remove(c) + del middle[idx] + # There should only be \middle and its delimiter as str, which have + # just been removed. + middle_part = T.cast(list[Box | Char], middle) + else: + height = 0 + depth = 0 + factor = 1.0 + middle_part = [] + + parts: list[Node] = [] + # \left. and \right. aren't supposed to produce any symbols + if front != '.': + parts.append( + AutoHeightChar(front, height, depth, state, factor=factor)) + parts.extend(middle_part) + if back != '.': + parts.append( + AutoHeightChar(back, height, depth, state, factor=factor)) + hlist = Hlist(parts) + return hlist + + def auto_delim(self, toks: ParseResults) -> T.Any: + return self._auto_sized_delimiter( + toks["left"], toks["mid"].as_list(), toks["right"]) + + def boldsymbol(self, toks: ParseResults) -> T.Any: + self.push_state() + state = self.get_state() + hlist: list[Node] = [] + name = toks["value"] + for c in name: + if isinstance(c, Hlist): + k = c.children[1] + if isinstance(k, Char): + k.font = "bf" + k._update_metrics() + hlist.append(c) + elif isinstance(c, Char): + c.font = "bf" + if (c.c in self._latin_alphabets or + c.c[1:] in self._small_greek): + c.font = "bfit" + c._update_metrics() + c._update_metrics() + hlist.append(c) + else: + hlist.append(c) + self.pop_state() + + return Hlist(hlist) + + def substack(self, toks: ParseResults) -> T.Any: + parts = toks["parts"] + state = self.get_state() + thickness = state.get_current_underline_thickness() + + hlist = [Hlist(k) for k in parts[0]] + max_width = max(map(lambda c: c.width, hlist)) + + vlist = [] + for sub in hlist: + cp = HCentered([sub]) + cp.hpack(max_width, 'exactly') + vlist.append(cp) + + stack = [val + for pair in zip(vlist, [Vbox(0, thickness * 2)] * len(vlist)) + for val in pair] + del stack[-1] + vlt = Vlist(stack) + result = [Hlist([vlt])] + return result diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_mathtext_data.py b/.venv/lib/python3.12/site-packages/matplotlib/_mathtext_data.py new file mode 100644 index 0000000000000000000000000000000000000000..6d0c20a1b2a2c4dfd46469270996dcd32d9617ca --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_mathtext_data.py @@ -0,0 +1,1810 @@ +""" +font data tables for truetype and afm computer modern fonts +""" + +from __future__ import annotations +from typing import TypeAlias, overload + +from .ft2font import CharacterCodeType + + +latex_to_bakoma: dict[str, tuple[str, CharacterCodeType]] = { + '\\__sqrt__' : ('cmex10', 0x70), + '\\bigcap' : ('cmex10', 0x5c), + '\\bigcup' : ('cmex10', 0x5b), + '\\bigodot' : ('cmex10', 0x4b), + '\\bigoplus' : ('cmex10', 0x4d), + '\\bigotimes' : ('cmex10', 0x4f), + '\\biguplus' : ('cmex10', 0x5d), + '\\bigvee' : ('cmex10', 0x5f), + '\\bigwedge' : ('cmex10', 0x5e), + '\\coprod' : ('cmex10', 0x61), + '\\int' : ('cmex10', 0x5a), + '\\langle' : ('cmex10', 0xad), + '\\leftangle' : ('cmex10', 0xad), + '\\leftbrace' : ('cmex10', 0xa9), + '\\oint' : ('cmex10', 0x49), + '\\prod' : ('cmex10', 0x59), + '\\rangle' : ('cmex10', 0xae), + '\\rightangle' : ('cmex10', 0xae), + '\\rightbrace' : ('cmex10', 0xaa), + '\\sum' : ('cmex10', 0x58), + '\\widehat' : ('cmex10', 0x62), + '\\widetilde' : ('cmex10', 0x65), + '\\{' : ('cmex10', 0xa9), + '\\}' : ('cmex10', 0xaa), + '{' : ('cmex10', 0xa9), + '}' : ('cmex10', 0xaa), + + '\\__angbracketleft__' : ('cmsy10', 0x68), + '\\__angbracketright__' : ('cmsy10', 0x69), + '\\__angbracketleftbig__' : ('cmex10', 0xad), + '\\__angbracketleftBig__' : ('cmex10', 0x44), + '\\__angbracketleftbigg__' : ('cmex10', 0xbf), + '\\__angbracketleftBigg__' : ('cmex10', 0x2a), + '\\__angbracketrightbig__' : ('cmex10', 0xae), + '\\__angbracketrightBig__' : ('cmex10', 0x45), + '\\__angbracketrightbigg__' : ('cmex10', 0xc0), + '\\__angbracketrightBigg__' : ('cmex10', 0x2b), + '\\__backslashbig__' : ('cmex10', 0xb2), + '\\__backslashBig__' : ('cmex10', 0x2f), + '\\__backslashbigg__' : ('cmex10', 0xc2), + '\\__backslashBigg__' : ('cmex10', 0x2d), + '\\__braceleftbig__' : ('cmex10', 0xa9), + '\\__braceleftBig__' : ('cmex10', 0x6e), + '\\__braceleftbigg__' : ('cmex10', 0xbd), + '\\__braceleftBigg__' : ('cmex10', 0x28), + '\\__bracerightbig__' : ('cmex10', 0xaa), + '\\__bracerightBig__' : ('cmex10', 0x6f), + '\\__bracerightbigg__' : ('cmex10', 0xbe), + '\\__bracerightBigg__' : ('cmex10', 0x29), + '\\__bracketleftbig__' : ('cmex10', 0xa3), + '\\__bracketleftBig__' : ('cmex10', 0x68), + '\\__bracketleftbigg__' : ('cmex10', 0x2219), + '\\__bracketleftBigg__' : ('cmex10', 0x22), + '\\__bracketrightbig__' : ('cmex10', 0xa4), + '\\__bracketrightBig__' : ('cmex10', 0x69), + '\\__bracketrightbigg__' : ('cmex10', 0xb8), + '\\__bracketrightBigg__' : ('cmex10', 0x23), + '\\__ceilingleftbig__' : ('cmex10', 0xa7), + '\\__ceilingleftBig__' : ('cmex10', 0x6c), + '\\__ceilingleftbigg__' : ('cmex10', 0xbb), + '\\__ceilingleftBigg__' : ('cmex10', 0x26), + '\\__ceilingrightbig__' : ('cmex10', 0xa8), + '\\__ceilingrightBig__' : ('cmex10', 0x6d), + '\\__ceilingrightbigg__' : ('cmex10', 0xbc), + '\\__ceilingrightBigg__' : ('cmex10', 0x27), + '\\__floorleftbig__' : ('cmex10', 0xa5), + '\\__floorleftBig__' : ('cmex10', 0x6a), + '\\__floorleftbigg__' : ('cmex10', 0xb9), + '\\__floorleftBigg__' : ('cmex10', 0x24), + '\\__floorrightbig__' : ('cmex10', 0xa6), + '\\__floorrightBig__' : ('cmex10', 0x6b), + '\\__floorrightbigg__' : ('cmex10', 0xba), + '\\__floorrightBigg__' : ('cmex10', 0x25), + '\\__hatwide__' : ('cmex10', 0x62), + '\\__hatwider__' : ('cmex10', 0x63), + '\\__hatwidest__' : ('cmex10', 0x64), + '\\__parenleftbig__' : ('cmex10', 0xa1), + '\\__parenleftBig__' : ('cmex10', 0xb3), + '\\__parenleftbigg__' : ('cmex10', 0xb5), + '\\__parenleftBigg__' : ('cmex10', 0xc3), + '\\__parenrightbig__' : ('cmex10', 0xa2), + '\\__parenrightBig__' : ('cmex10', 0xb4), + '\\__parenrightbigg__' : ('cmex10', 0xb6), + '\\__parenrightBigg__' : ('cmex10', 0x21), + '\\__radicalbig__' : ('cmex10', 0x70), + '\\__radicalBig__' : ('cmex10', 0x71), + '\\__radicalbigg__' : ('cmex10', 0x72), + '\\__radicalBigg__' : ('cmex10', 0x73), + '\\__slashbig__' : ('cmex10', 0xb1), + '\\__slashBig__' : ('cmex10', 0x2e), + '\\__slashbigg__' : ('cmex10', 0xc1), + '\\__slashBigg__' : ('cmex10', 0x2c), + '\\__tildewide__' : ('cmex10', 0x65), + '\\__tildewider__' : ('cmex10', 0x66), + '\\__tildewidest__' : ('cmex10', 0x67), + + ',' : ('cmmi10', 0x3b), + '.' : ('cmmi10', 0x3a), + '/' : ('cmmi10', 0x3d), + '<' : ('cmmi10', 0x3c), + '>' : ('cmmi10', 0x3e), + '\\alpha' : ('cmmi10', 0xae), + '\\beta' : ('cmmi10', 0xaf), + '\\chi' : ('cmmi10', 0xc2), + '\\combiningrightarrowabove' : ('cmmi10', 0x7e), + '\\delta' : ('cmmi10', 0xb1), + '\\ell' : ('cmmi10', 0x60), + '\\epsilon' : ('cmmi10', 0xb2), + '\\eta' : ('cmmi10', 0xb4), + '\\flat' : ('cmmi10', 0x5b), + '\\frown' : ('cmmi10', 0x5f), + '\\gamma' : ('cmmi10', 0xb0), + '\\imath' : ('cmmi10', 0x7b), + '\\iota' : ('cmmi10', 0xb6), + '\\jmath' : ('cmmi10', 0x7c), + '\\kappa' : ('cmmi10', 0x2219), + '\\lambda' : ('cmmi10', 0xb8), + '\\leftharpoondown' : ('cmmi10', 0x29), + '\\leftharpoonup' : ('cmmi10', 0x28), + '\\mu' : ('cmmi10', 0xb9), + '\\natural' : ('cmmi10', 0x5c), + '\\nu' : ('cmmi10', 0xba), + '\\omega' : ('cmmi10', 0x21), + '\\phi' : ('cmmi10', 0xc1), + '\\pi' : ('cmmi10', 0xbc), + '\\psi' : ('cmmi10', 0xc3), + '\\rho' : ('cmmi10', 0xbd), + '\\rightharpoondown' : ('cmmi10', 0x2b), + '\\rightharpoonup' : ('cmmi10', 0x2a), + '\\sharp' : ('cmmi10', 0x5d), + '\\sigma' : ('cmmi10', 0xbe), + '\\smile' : ('cmmi10', 0x5e), + '\\tau' : ('cmmi10', 0xbf), + '\\theta' : ('cmmi10', 0xb5), + '\\triangleleft' : ('cmmi10', 0x2f), + '\\triangleright' : ('cmmi10', 0x2e), + '\\upsilon' : ('cmmi10', 0xc0), + '\\varepsilon' : ('cmmi10', 0x22), + '\\varphi' : ('cmmi10', 0x27), + '\\varrho' : ('cmmi10', 0x25), + '\\varsigma' : ('cmmi10', 0x26), + '\\vartheta' : ('cmmi10', 0x23), + '\\wp' : ('cmmi10', 0x7d), + '\\xi' : ('cmmi10', 0xbb), + '\\zeta' : ('cmmi10', 0xb3), + + '!' : ('cmr10', 0x21), + '%' : ('cmr10', 0x25), + '&' : ('cmr10', 0x26), + '(' : ('cmr10', 0x28), + ')' : ('cmr10', 0x29), + '+' : ('cmr10', 0x2b), + ':' : ('cmr10', 0x3a), + ';' : ('cmr10', 0x3b), + '=' : ('cmr10', 0x3d), + '?' : ('cmr10', 0x3f), + '@' : ('cmr10', 0x40), + '[' : ('cmr10', 0x5b), + '\\#' : ('cmr10', 0x23), + '\\$' : ('cmr10', 0x24), + '\\%' : ('cmr10', 0x25), + '\\Delta' : ('cmr10', 0xa2), + '\\Gamma' : ('cmr10', 0xa1), + '\\Lambda' : ('cmr10', 0xa4), + '\\Omega' : ('cmr10', 0xad), + '\\Phi' : ('cmr10', 0xa9), + '\\Pi' : ('cmr10', 0xa6), + '\\Psi' : ('cmr10', 0xaa), + '\\Sigma' : ('cmr10', 0xa7), + '\\Theta' : ('cmr10', 0xa3), + '\\Upsilon' : ('cmr10', 0xa8), + '\\Xi' : ('cmr10', 0xa5), + '\\circumflexaccent' : ('cmr10', 0x5e), + '\\combiningacuteaccent' : ('cmr10', 0xb6), + '\\combiningbreve' : ('cmr10', 0xb8), + '\\combiningdiaeresis' : ('cmr10', 0xc4), + '\\combiningdotabove' : ('cmr10', 0x5f), + '\\combininggraveaccent' : ('cmr10', 0xb5), + '\\combiningoverline' : ('cmr10', 0xb9), + '\\combiningtilde' : ('cmr10', 0x7e), + '\\leftbracket' : ('cmr10', 0x5b), + '\\leftparen' : ('cmr10', 0x28), + '\\rightbracket' : ('cmr10', 0x5d), + '\\rightparen' : ('cmr10', 0x29), + '\\widebar' : ('cmr10', 0xb9), + ']' : ('cmr10', 0x5d), + + '*' : ('cmsy10', 0xa4), + '\N{MINUS SIGN}' : ('cmsy10', 0xa1), + '\\Downarrow' : ('cmsy10', 0x2b), + '\\Im' : ('cmsy10', 0x3d), + '\\Leftarrow' : ('cmsy10', 0x28), + '\\Leftrightarrow' : ('cmsy10', 0x2c), + '\\P' : ('cmsy10', 0x7b), + '\\Re' : ('cmsy10', 0x3c), + '\\Rightarrow' : ('cmsy10', 0x29), + '\\S' : ('cmsy10', 0x78), + '\\Uparrow' : ('cmsy10', 0x2a), + '\\Updownarrow' : ('cmsy10', 0x6d), + '\\Vert' : ('cmsy10', 0x6b), + '\\aleph' : ('cmsy10', 0x40), + '\\approx' : ('cmsy10', 0xbc), + '\\ast' : ('cmsy10', 0xa4), + '\\asymp' : ('cmsy10', 0xb3), + '\\backslash' : ('cmsy10', 0x6e), + '\\bigcirc' : ('cmsy10', 0xb0), + '\\bigtriangledown' : ('cmsy10', 0x35), + '\\bigtriangleup' : ('cmsy10', 0x34), + '\\bot' : ('cmsy10', 0x3f), + '\\bullet' : ('cmsy10', 0xb2), + '\\cap' : ('cmsy10', 0x5c), + '\\cdot' : ('cmsy10', 0xa2), + '\\circ' : ('cmsy10', 0xb1), + '\\clubsuit' : ('cmsy10', 0x7c), + '\\cup' : ('cmsy10', 0x5b), + '\\dag' : ('cmsy10', 0x79), + '\\dashv' : ('cmsy10', 0x61), + '\\ddag' : ('cmsy10', 0x7a), + '\\diamond' : ('cmsy10', 0xa6), + '\\diamondsuit' : ('cmsy10', 0x7d), + '\\div' : ('cmsy10', 0xa5), + '\\downarrow' : ('cmsy10', 0x23), + '\\emptyset' : ('cmsy10', 0x3b), + '\\equiv' : ('cmsy10', 0xb4), + '\\exists' : ('cmsy10', 0x39), + '\\forall' : ('cmsy10', 0x38), + '\\geq' : ('cmsy10', 0xb8), + '\\gg' : ('cmsy10', 0xc0), + '\\heartsuit' : ('cmsy10', 0x7e), + '\\in' : ('cmsy10', 0x32), + '\\infty' : ('cmsy10', 0x31), + '\\lbrace' : ('cmsy10', 0x66), + '\\lceil' : ('cmsy10', 0x64), + '\\leftarrow' : ('cmsy10', 0xc3), + '\\leftrightarrow' : ('cmsy10', 0x24), + '\\leq' : ('cmsy10', 0x2219), + '\\lfloor' : ('cmsy10', 0x62), + '\\ll' : ('cmsy10', 0xbf), + '\\mid' : ('cmsy10', 0x6a), + '\\mp' : ('cmsy10', 0xa8), + '\\nabla' : ('cmsy10', 0x72), + '\\nearrow' : ('cmsy10', 0x25), + '\\neg' : ('cmsy10', 0x3a), + '\\ni' : ('cmsy10', 0x33), + '\\nwarrow' : ('cmsy10', 0x2d), + '\\odot' : ('cmsy10', 0xaf), + '\\ominus' : ('cmsy10', 0xaa), + '\\oplus' : ('cmsy10', 0xa9), + '\\oslash' : ('cmsy10', 0xae), + '\\otimes' : ('cmsy10', 0xad), + '\\pm' : ('cmsy10', 0xa7), + '\\prec' : ('cmsy10', 0xc1), + '\\preceq' : ('cmsy10', 0xb9), + '\\prime' : ('cmsy10', 0x30), + '\\propto' : ('cmsy10', 0x2f), + '\\rbrace' : ('cmsy10', 0x67), + '\\rceil' : ('cmsy10', 0x65), + '\\rfloor' : ('cmsy10', 0x63), + '\\rightarrow' : ('cmsy10', 0x21), + '\\searrow' : ('cmsy10', 0x26), + '\\sim' : ('cmsy10', 0xbb), + '\\simeq' : ('cmsy10', 0x27), + '\\slash' : ('cmsy10', 0x36), + '\\spadesuit' : ('cmsy10', 0xc4), + '\\sqcap' : ('cmsy10', 0x75), + '\\sqcup' : ('cmsy10', 0x74), + '\\sqsubseteq' : ('cmsy10', 0x76), + '\\sqsupseteq' : ('cmsy10', 0x77), + '\\subset' : ('cmsy10', 0xbd), + '\\subseteq' : ('cmsy10', 0xb5), + '\\succ' : ('cmsy10', 0xc2), + '\\succeq' : ('cmsy10', 0xba), + '\\supset' : ('cmsy10', 0xbe), + '\\supseteq' : ('cmsy10', 0xb6), + '\\swarrow' : ('cmsy10', 0x2e), + '\\times' : ('cmsy10', 0xa3), + '\\to' : ('cmsy10', 0x21), + '\\top' : ('cmsy10', 0x3e), + '\\uparrow' : ('cmsy10', 0x22), + '\\updownarrow' : ('cmsy10', 0x6c), + '\\uplus' : ('cmsy10', 0x5d), + '\\vdash' : ('cmsy10', 0x60), + '\\vee' : ('cmsy10', 0x5f), + '\\vert' : ('cmsy10', 0x6a), + '\\wedge' : ('cmsy10', 0x5e), + '\\wr' : ('cmsy10', 0x6f), + '\\|' : ('cmsy10', 0x6b), + '|' : ('cmsy10', 0x6a), + + '\\_' : ('cmtt10', 0x5f) +} + +# Automatically generated. + +type12uni: dict[str, CharacterCodeType] = { + 'aring' : 229, + 'quotedblright' : 8221, + 'V' : 86, + 'dollar' : 36, + 'four' : 52, + 'Yacute' : 221, + 'P' : 80, + 'underscore' : 95, + 'p' : 112, + 'Otilde' : 213, + 'perthousand' : 8240, + 'zero' : 48, + 'dotlessi' : 305, + 'Scaron' : 352, + 'zcaron' : 382, + 'egrave' : 232, + 'section' : 167, + 'Icircumflex' : 206, + 'ntilde' : 241, + 'ampersand' : 38, + 'dotaccent' : 729, + 'degree' : 176, + 'K' : 75, + 'acircumflex' : 226, + 'Aring' : 197, + 'k' : 107, + 'smalltilde' : 732, + 'Agrave' : 192, + 'divide' : 247, + 'ocircumflex' : 244, + 'asciitilde' : 126, + 'two' : 50, + 'E' : 69, + 'scaron' : 353, + 'F' : 70, + 'bracketleft' : 91, + 'asciicircum' : 94, + 'f' : 102, + 'ordmasculine' : 186, + 'mu' : 181, + 'paragraph' : 182, + 'nine' : 57, + 'v' : 118, + 'guilsinglleft' : 8249, + 'backslash' : 92, + 'six' : 54, + 'A' : 65, + 'icircumflex' : 238, + 'a' : 97, + 'ogonek' : 731, + 'q' : 113, + 'oacute' : 243, + 'ograve' : 242, + 'edieresis' : 235, + 'comma' : 44, + 'otilde' : 245, + 'guillemotright' : 187, + 'ecircumflex' : 234, + 'greater' : 62, + 'uacute' : 250, + 'L' : 76, + 'bullet' : 8226, + 'cedilla' : 184, + 'ydieresis' : 255, + 'l' : 108, + 'logicalnot' : 172, + 'exclamdown' : 161, + 'endash' : 8211, + 'agrave' : 224, + 'Adieresis' : 196, + 'germandbls' : 223, + 'Odieresis' : 214, + 'space' : 32, + 'quoteright' : 8217, + 'ucircumflex' : 251, + 'G' : 71, + 'quoteleft' : 8216, + 'W' : 87, + 'Q' : 81, + 'g' : 103, + 'w' : 119, + 'question' : 63, + 'one' : 49, + 'ring' : 730, + 'figuredash' : 8210, + 'B' : 66, + 'iacute' : 237, + 'Ydieresis' : 376, + 'R' : 82, + 'b' : 98, + 'r' : 114, + 'Ccedilla' : 199, + 'minus' : 8722, + 'Lslash' : 321, + 'Uacute' : 218, + 'yacute' : 253, + 'Ucircumflex' : 219, + 'quotedbl' : 34, + 'onehalf' : 189, + 'Thorn' : 222, + 'M' : 77, + 'eight' : 56, + 'multiply' : 215, + 'grave' : 96, + 'Ocircumflex' : 212, + 'm' : 109, + 'Ugrave' : 217, + 'guilsinglright' : 8250, + 'Ntilde' : 209, + 'questiondown' : 191, + 'Atilde' : 195, + 'ccedilla' : 231, + 'Z' : 90, + 'copyright' : 169, + 'yen' : 165, + 'Eacute' : 201, + 'H' : 72, + 'X' : 88, + 'Idieresis' : 207, + 'bar' : 124, + 'h' : 104, + 'x' : 120, + 'udieresis' : 252, + 'ordfeminine' : 170, + 'braceleft' : 123, + 'macron' : 175, + 'atilde' : 227, + 'Acircumflex' : 194, + 'Oslash' : 216, + 'C' : 67, + 'quotedblleft' : 8220, + 'S' : 83, + 'exclam' : 33, + 'Zcaron' : 381, + 'equal' : 61, + 's' : 115, + 'eth' : 240, + 'Egrave' : 200, + 'hyphen' : 45, + 'period' : 46, + 'igrave' : 236, + 'colon' : 58, + 'Ecircumflex' : 202, + 'trademark' : 8482, + 'Aacute' : 193, + 'cent' : 162, + 'lslash' : 322, + 'c' : 99, + 'N' : 78, + 'breve' : 728, + 'Oacute' : 211, + 'guillemotleft' : 171, + 'n' : 110, + 'idieresis' : 239, + 'braceright' : 125, + 'seven' : 55, + 'brokenbar' : 166, + 'ugrave' : 249, + 'periodcentered' : 183, + 'sterling' : 163, + 'I' : 73, + 'Y' : 89, + 'Eth' : 208, + 'emdash' : 8212, + 'i' : 105, + 'daggerdbl' : 8225, + 'y' : 121, + 'plusminus' : 177, + 'less' : 60, + 'Udieresis' : 220, + 'D' : 68, + 'five' : 53, + 'T' : 84, + 'oslash' : 248, + 'acute' : 180, + 'd' : 100, + 'OE' : 338, + 'Igrave' : 204, + 't' : 116, + 'parenright' : 41, + 'adieresis' : 228, + 'quotesingle' : 39, + 'twodotenleader' : 8229, + 'slash' : 47, + 'ellipsis' : 8230, + 'numbersign' : 35, + 'odieresis' : 246, + 'O' : 79, + 'oe' : 339, + 'o' : 111, + 'Edieresis' : 203, + 'plus' : 43, + 'dagger' : 8224, + 'three' : 51, + 'hungarumlaut' : 733, + 'parenleft' : 40, + 'fraction' : 8260, + 'registered' : 174, + 'J' : 74, + 'dieresis' : 168, + 'Ograve' : 210, + 'j' : 106, + 'z' : 122, + 'ae' : 230, + 'semicolon' : 59, + 'at' : 64, + 'Iacute' : 205, + 'percent' : 37, + 'bracketright' : 93, + 'AE' : 198, + 'asterisk' : 42, + 'aacute' : 225, + 'U' : 85, + 'eacute' : 233, + 'e' : 101, + 'thorn' : 254, + 'u' : 117, +} + +uni2type1 = {v: k for k, v in type12uni.items()} + +# The script below is to sort and format the tex2uni dict + +## For decimal values: int(hex(v), 16) +# newtex = {k: hex(v) for k, v in tex2uni.items()} +# sd = dict(sorted(newtex.items(), key=lambda item: item[0])) +# +## For formatting the sorted dictionary with proper spacing +## the value '24' comes from finding the longest string in +## the newtex keys with len(max(newtex, key=len)) +# for key in sd: +# print("{0:24} : {1: _EntryTypeOut: ... + + +@overload +def _normalize_stix_fontcodes(d: list[_EntryTypeIn]) -> list[_EntryTypeOut]: ... + + +@overload +def _normalize_stix_fontcodes(d: dict[str, list[_EntryTypeIn] | + dict[str, list[_EntryTypeIn]]] + ) -> dict[str, list[_EntryTypeOut] | + dict[str, list[_EntryTypeOut]]]: ... + + +def _normalize_stix_fontcodes(d): + if isinstance(d, tuple): + return tuple(ord(x) if isinstance(x, str) and len(x) == 1 else x for x in d) + elif isinstance(d, list): + return [_normalize_stix_fontcodes(x) for x in d] + elif isinstance(d, dict): + return {k: _normalize_stix_fontcodes(v) for k, v in d.items()} + + +stix_virtual_fonts: dict[str, dict[str, list[_EntryTypeOut]] | list[_EntryTypeOut]] +stix_virtual_fonts = _normalize_stix_fontcodes(_stix_virtual_fonts) + +# Free redundant list now that it has been normalized +del _stix_virtual_fonts + +# Fix some incorrect glyphs. +stix_glyph_fixes: dict[CharacterCodeType, CharacterCodeType] = { + # Cap and Cup glyphs are swapped. + 0x22d2: 0x22d3, + 0x22d3: 0x22d2, +} diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_path.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/matplotlib/_path.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..3f813696a9fb4ff1bdd5ca5af66325837863937c --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_path.cpython-312-x86_64-linux-gnu.so @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:a5766226565b4a65fb58c9c1df60bb14fc5d233de41be5bc4d284293607eb889 +size 506712 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_path.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_path.pyi new file mode 100644 index 0000000000000000000000000000000000000000..ee9c46483ec9235914a5af4d6e48038f8178a6f3 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_path.pyi @@ -0,0 +1,8 @@ +from collections.abc import Sequence + +import numpy as np + +from .transforms import BboxBase + +def affine_transform(points: np.ndarray, trans: np.ndarray) -> np.ndarray: ... +def count_bboxes_overlapping_bbox(bbox: BboxBase, bboxes: Sequence[BboxBase]) -> int: ... diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_pylab_helpers.py b/.venv/lib/python3.12/site-packages/matplotlib/_pylab_helpers.py new file mode 100644 index 0000000000000000000000000000000000000000..05f6d8aa02b35dd6b4deb8a3d9a2390d0ed31767 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_pylab_helpers.py @@ -0,0 +1,136 @@ +""" +Manage figures for the pyplot interface. +""" + +import atexit +from collections import OrderedDict + + +class Gcf: + """ + Singleton to maintain the relation between figures and their managers, and + keep track of and "active" figure and manager. + + The canvas of a figure created through pyplot is associated with a figure + manager, which handles the interaction between the figure and the backend. + pyplot keeps track of figure managers using an identifier, the "figure + number" or "manager number" (which can actually be any hashable value); + this number is available as the :attr:`number` attribute of the manager. + + This class is never instantiated; it consists of an `OrderedDict` mapping + figure/manager numbers to managers, and a set of class methods that + manipulate this `OrderedDict`. + + Attributes + ---------- + figs : OrderedDict + `OrderedDict` mapping numbers to managers; the active manager is at the + end. + """ + + figs = OrderedDict() + + @classmethod + def get_fig_manager(cls, num): + """ + If manager number *num* exists, make it the active one and return it; + otherwise return *None*. + """ + manager = cls.figs.get(num, None) + if manager is not None: + cls.set_active(manager) + return manager + + @classmethod + def destroy(cls, num): + """ + Destroy manager *num* -- either a manager instance or a manager number. + + In the interactive backends, this is bound to the window "destroy" and + "delete" events. + + It is recommended to pass a manager instance, to avoid confusion when + two managers share the same number. + """ + if all(hasattr(num, attr) for attr in ["num", "destroy"]): + # num is a manager-like instance (not necessarily a + # FigureManagerBase subclass) + manager = num + if cls.figs.get(manager.num) is manager: + cls.figs.pop(manager.num) + else: + try: + manager = cls.figs.pop(num) + except KeyError: + return + if hasattr(manager, "_cidgcf"): + manager.canvas.mpl_disconnect(manager._cidgcf) + manager.destroy() + + @classmethod + def destroy_fig(cls, fig): + """Destroy figure *fig*.""" + manager = next((manager for manager in cls.figs.values() + if manager.canvas.figure == fig), None) + if manager is not None: + cls.destroy(manager) + + @classmethod + def destroy_all(cls): + """Destroy all figures.""" + for manager in list(cls.figs.values()): + manager.canvas.mpl_disconnect(manager._cidgcf) + manager.destroy() + cls.figs.clear() + + @classmethod + def has_fignum(cls, num): + """Return whether figure number *num* exists.""" + return num in cls.figs + + @classmethod + def get_all_fig_managers(cls): + """Return a list of figure managers.""" + return list(cls.figs.values()) + + @classmethod + def get_num_fig_managers(cls): + """Return the number of figures being managed.""" + return len(cls.figs) + + @classmethod + def get_active(cls): + """Return the active manager, or *None* if there is no manager.""" + return next(reversed(cls.figs.values())) if cls.figs else None + + @classmethod + def _set_new_active_manager(cls, manager): + """Adopt *manager* into pyplot and make it the active manager.""" + if not hasattr(manager, "_cidgcf"): + manager._cidgcf = manager.canvas.mpl_connect( + "button_press_event", lambda event: cls.set_active(manager)) + fig = manager.canvas.figure + fig._number = manager.num + label = fig.get_label() + if label: + manager.set_window_title(label) + cls.set_active(manager) + + @classmethod + def set_active(cls, manager): + """Make *manager* the active manager.""" + cls.figs[manager.num] = manager + cls.figs.move_to_end(manager.num) + + @classmethod + def draw_all(cls, force=False): + """ + Redraw all stale managed figures, or, if *force* is True, all managed + figures. + """ + for manager in cls.get_all_fig_managers(): + if force or manager.canvas.figure.stale: + manager.canvas.draw_idle() + + +atexit.register(Gcf.destroy_all) diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_pylab_helpers.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_pylab_helpers.pyi new file mode 100644 index 0000000000000000000000000000000000000000..bdd8cfba3173030b37b24af412970cbb62fee3ef --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_pylab_helpers.pyi @@ -0,0 +1,29 @@ +from collections import OrderedDict + +from matplotlib.backend_bases import FigureManagerBase +from matplotlib.figure import Figure + +class Gcf: + figs: OrderedDict[int, FigureManagerBase] + @classmethod + def get_fig_manager(cls, num: int) -> FigureManagerBase | None: ... + @classmethod + def destroy(cls, num: int | FigureManagerBase) -> None: ... + @classmethod + def destroy_fig(cls, fig: Figure) -> None: ... + @classmethod + def destroy_all(cls) -> None: ... + @classmethod + def has_fignum(cls, num: int) -> bool: ... + @classmethod + def get_all_fig_managers(cls) -> list[FigureManagerBase]: ... + @classmethod + def get_num_fig_managers(cls) -> int: ... + @classmethod + def get_active(cls) -> FigureManagerBase | None: ... + @classmethod + def _set_new_active_manager(cls, manager: FigureManagerBase) -> None: ... + @classmethod + def set_active(cls, manager: FigureManagerBase) -> None: ... + @classmethod + def draw_all(cls, force: bool = ...) -> None: ... diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_qhull.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/matplotlib/_qhull.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..6dd25bed47ebaa7dac6f5d960624381aa7f5ac9b --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_qhull.cpython-312-x86_64-linux-gnu.so @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:e3b40e51d62e6b911d9c1592e8a4add339e14e3097c3818d5d774a35059a707a +size 755864 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_qhull.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_qhull.pyi new file mode 100644 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_style_helpers.py b/.venv/lib/python3.12/site-packages/matplotlib/_style_helpers.py new file mode 100644 index 0000000000000000000000000000000000000000..9b98d90593f99fd89294c951639db590c9e87ade --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_style_helpers.py @@ -0,0 +1,51 @@ +import collections.abc +import itertools + +import numpy as np + +import matplotlib.cbook as cbook +import matplotlib.colors as mcolors +import matplotlib.lines as mlines + + +def check_non_empty(key, value): + """Raise a TypeError if an empty sequence is passed""" + if (not cbook.is_scalar_or_string(value) and + isinstance(value, collections.abc.Sized) and len(value) == 0): + raise TypeError(f'{key} must not be an empty sequence') + + +def style_generator(kw): + """ + Helper for handling style sequences (e.g. facecolor=['r', 'b', 'k']) within plotting + methods that repeatedly call other plotting methods (e.g. hist, stackplot). Remove + style keywords from the given dictionary. Return the reduced dictionary together + with a generator which provides a series of dictionaries to be used in each call to + the wrapped function. + """ + kw_iterators = {} + remaining_kw = {} + for key, value in kw.items(): + if key in ['facecolor', 'edgecolor']: + if value is None or cbook._str_lower_equal(value, 'none'): + kw_iterators[key] = itertools.repeat(value) + else: + check_non_empty(key, value) + kw_iterators[key] = itertools.cycle(mcolors.to_rgba_array(value)) + + elif key in ['hatch', 'linewidth']: + check_non_empty(key, value) + kw_iterators[key] = itertools.cycle(np.atleast_1d(value)) + + elif key == 'linestyle': + check_non_empty(key, value) + kw_iterators[key] = itertools.cycle(mlines._get_dash_patterns(value)) + + else: + remaining_kw[key] = value + + def style_gen(): + while True: + yield {key: next(val) for key, val in kw_iterators.items()} + + return remaining_kw, style_gen() diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_text_helpers.py b/.venv/lib/python3.12/site-packages/matplotlib/_text_helpers.py new file mode 100644 index 0000000000000000000000000000000000000000..0ebbf3ac139d477d7a03ec54d054f72aad472982 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_text_helpers.py @@ -0,0 +1,50 @@ +""" +Low-level text helper utilities. +""" + +from __future__ import annotations + +from collections.abc import Iterator + +from . import _api +from .ft2font import FT2Font, CharacterCodeType, LayoutItem, LoadFlags + + +def warn_on_missing_glyph(codepoint: CharacterCodeType, fontnames: str): + _api.warn_external( + f"Glyph {codepoint} " + f"({chr(codepoint).encode('ascii', 'namereplace').decode('ascii')}) " + f"missing from font(s) {fontnames}.") + + +def layout(string: str, font: FT2Font, *, + features: tuple[str] | None = None, + language: str | tuple[tuple[str, int, int], ...] | None = None + ) -> Iterator[LayoutItem]: + """ + Render *string* with *font*. + + For each character in *string*, yield a LayoutItem instance. When such an instance + is yielded, the font's glyph is set to the corresponding character. + + Parameters + ---------- + string : str + The string to be rendered. + font : FT2Font + The font. + features : tuple of str, optional + The font features to apply to the text. + language : str, optional + The language of the text in a format accepted by libraqm, namely `a BCP47 + language code `_. + + Yields + ------ + LayoutItem + """ + for raqm_item in font._layout(string, LoadFlags.NO_HINTING, + features=features, language=language): + raqm_item.ft_object.load_glyph(raqm_item.glyph_index, + flags=LoadFlags.NO_HINTING) + yield raqm_item diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_tight_bbox.py b/.venv/lib/python3.12/site-packages/matplotlib/_tight_bbox.py new file mode 100644 index 0000000000000000000000000000000000000000..7cd28dd031e6d8e61f217140ca541ee9b56a9350 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_tight_bbox.py @@ -0,0 +1,84 @@ +""" +Helper module for the *bbox_inches* parameter in `.Figure.savefig`. +""" + +from matplotlib.transforms import Bbox, TransformedBbox, Affine2D + + +def adjust_bbox(fig, bbox_inches, renderer, fixed_dpi=None): + """ + Temporarily adjust the figure so that only the specified area + (bbox_inches) is saved. + + It modifies fig.bbox, fig.bbox_inches, + fig.transFigure._boxout, and fig.patch. While the figure size + changes, the scale of the original figure is conserved. A + function which restores the original values are returned. + """ + origBbox = fig.bbox + origBboxInches = fig.bbox_inches + _boxout = fig.transFigure._boxout + + old_aspect = [] + locator_list = [] + sentinel = object() + for ax in fig.axes: + locator = ax.get_axes_locator() + if locator is not None: + ax.apply_aspect(locator(ax, renderer)) + locator_list.append(locator) + current_pos = ax.get_position(original=False).frozen() + ax.set_axes_locator(lambda a, r, _pos=current_pos: _pos) + # override the method that enforces the aspect ratio on the Axes + if 'apply_aspect' in ax.__dict__: + old_aspect.append(ax.apply_aspect) + else: + old_aspect.append(sentinel) + ax.apply_aspect = lambda pos=None: None + + def restore_bbox(): + for ax, loc, aspect in zip(fig.axes, locator_list, old_aspect): + ax.set_axes_locator(loc) + if aspect is sentinel: + # delete our no-op function which un-hides the original method + del ax.apply_aspect + else: + ax.apply_aspect = aspect + + fig.bbox = origBbox + fig.bbox_inches = origBboxInches + fig.transFigure._boxout = _boxout + fig.transFigure.invalidate() + fig.patch.set_bounds(0, 0, 1, 1) + + if fixed_dpi is None: + fixed_dpi = fig.dpi + tr = Affine2D().scale(fixed_dpi) + dpi_scale = fixed_dpi / fig.dpi + + fig.bbox_inches = Bbox.from_bounds(0, 0, *bbox_inches.size) + x0, y0 = tr.transform(bbox_inches.p0) + w1, h1 = fig.bbox.size * dpi_scale + fig.transFigure._boxout = Bbox.from_bounds(-x0, -y0, w1, h1) + fig.transFigure.invalidate() + + fig.bbox = TransformedBbox(fig.bbox_inches, tr) + + fig.patch.set_bounds(x0 / w1, y0 / h1, + fig.bbox.width / w1, fig.bbox.height / h1) + + return restore_bbox + + +def process_figure_for_rasterizing(fig, bbox_inches_restore, renderer, fixed_dpi=None): + """ + A function that needs to be called when figure dpi changes during the + drawing (e.g., rasterizing). It recovers the bbox and re-adjust it with + the new dpi. + """ + + bbox_inches, restore_bbox = bbox_inches_restore + restore_bbox() + r = adjust_bbox(fig, bbox_inches, renderer, fixed_dpi) + + return bbox_inches, r diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_tight_layout.py b/.venv/lib/python3.12/site-packages/matplotlib/_tight_layout.py new file mode 100644 index 0000000000000000000000000000000000000000..548da79fff04320193a7170d5cf0f9b9fa743c0a --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_tight_layout.py @@ -0,0 +1,301 @@ +""" +Routines to adjust subplot params so that subplots are +nicely fit in the figure. In doing so, only axis labels, tick labels, Axes +titles and offsetboxes that are anchored to Axes are currently considered. + +Internally, this module assumes that the margins (left margin, etc.) which are +differences between ``Axes.get_tightbbox`` and ``Axes.bbox`` are independent of +Axes position. This may fail if ``Axes.adjustable`` is ``datalim`` as well as +such cases as when left or right margin are affected by xlabel. +""" + +import numpy as np + +import matplotlib as mpl +from matplotlib import _api, artist as martist +from matplotlib.font_manager import FontProperties +from matplotlib.transforms import Bbox + + +def _auto_adjust_subplotpars( + fig, renderer, shape, span_pairs, subplot_list, + ax_bbox_list=None, pad=1.08, h_pad=None, w_pad=None, rect=None): + """ + Return a dict of subplot parameters to adjust spacing between subplots + or ``None`` if resulting Axes would have zero height or width. + + Note that this function ignores geometry information of subplot itself, but + uses what is given by the *shape* and *subplot_list* parameters. Also, the + results could be incorrect if some subplots have ``adjustable=datalim``. + + Parameters + ---------- + shape : tuple[int, int] + Number of rows and columns of the grid. + span_pairs : list[tuple[slice, slice]] + List of rowspans and colspans occupied by each subplot. + subplot_list : list of subplots + List of subplots that will be used to calculate optimal subplot_params. + pad : float + Padding between the figure edge and the edges of subplots, as a + fraction of the font size. + h_pad, w_pad : float + Padding (height/width) between edges of adjacent subplots, as a + fraction of the font size. Defaults to *pad*. + rect : tuple + (left, bottom, right, top), default: None. + """ + rows, cols = shape + + font_size_inch = (FontProperties( + size=mpl.rcParams["font.size"]).get_size_in_points() / 72) + pad_inch = pad * font_size_inch + vpad_inch = h_pad * font_size_inch if h_pad is not None else pad_inch + hpad_inch = w_pad * font_size_inch if w_pad is not None else pad_inch + + if len(span_pairs) != len(subplot_list) or len(subplot_list) == 0: + raise ValueError + + if rect is None: + margin_left = margin_bottom = margin_right = margin_top = None + else: + margin_left, margin_bottom, _right, _top = rect + margin_right = 1 - _right if _right else None + margin_top = 1 - _top if _top else None + + vspaces = np.zeros((rows + 1, cols)) + hspaces = np.zeros((rows, cols + 1)) + + if ax_bbox_list is None: + ax_bbox_list = [ + Bbox.union([ax.get_position(original=True) for ax in subplots]) + for subplots in subplot_list] + + for subplots, ax_bbox, (rowspan, colspan) in zip( + subplot_list, ax_bbox_list, span_pairs): + if all(not ax.get_visible() for ax in subplots): + continue + + bb = [] + for ax in subplots: + if ax.get_visible(): + bb += [martist._get_tightbbox_for_layout_only(ax, renderer)] + + tight_bbox_raw = Bbox.union(bb) + tight_bbox = fig.transFigure.inverted().transform_bbox(tight_bbox_raw) + + hspaces[rowspan, colspan.start] += ax_bbox.xmin - tight_bbox.xmin # l + hspaces[rowspan, colspan.stop] += tight_bbox.xmax - ax_bbox.xmax # r + vspaces[rowspan.start, colspan] += tight_bbox.ymax - ax_bbox.ymax # t + vspaces[rowspan.stop, colspan] += ax_bbox.ymin - tight_bbox.ymin # b + + fig_width_inch, fig_height_inch = fig.get_size_inches() + + # margins can be negative for Axes with aspect applied, so use max(, 0) to + # make them nonnegative. + if not margin_left: + margin_left = max(hspaces[:, 0].max(), 0) + pad_inch/fig_width_inch + suplabel = fig._supylabel + if suplabel and suplabel.get_in_layout(): + rel_width = fig.transFigure.inverted().transform_bbox( + suplabel.get_window_extent(renderer)).width + margin_left += rel_width + pad_inch/fig_width_inch + if not margin_right: + margin_right = max(hspaces[:, -1].max(), 0) + pad_inch/fig_width_inch + if not margin_top: + margin_top = max(vspaces[0, :].max(), 0) + pad_inch/fig_height_inch + if fig._suptitle and fig._suptitle.get_in_layout(): + rel_height = fig.transFigure.inverted().transform_bbox( + fig._suptitle.get_window_extent(renderer)).height + margin_top += rel_height + pad_inch/fig_height_inch + if not margin_bottom: + margin_bottom = max(vspaces[-1, :].max(), 0) + pad_inch/fig_height_inch + suplabel = fig._supxlabel + if suplabel and suplabel.get_in_layout(): + rel_height = fig.transFigure.inverted().transform_bbox( + suplabel.get_window_extent(renderer)).height + margin_bottom += rel_height + pad_inch/fig_height_inch + + if margin_left + margin_right >= 1: + _api.warn_external('Tight layout not applied. The left and right ' + 'margins cannot be made large enough to ' + 'accommodate all Axes decorations.') + return None + if margin_bottom + margin_top >= 1: + _api.warn_external('Tight layout not applied. The bottom and top ' + 'margins cannot be made large enough to ' + 'accommodate all Axes decorations.') + return None + + kwargs = dict(left=margin_left, + right=1 - margin_right, + bottom=margin_bottom, + top=1 - margin_top) + + if cols > 1: + hspace = hspaces[:, 1:-1].max() + hpad_inch / fig_width_inch + # axes widths: + h_axes = (1 - margin_right - margin_left - hspace * (cols - 1)) / cols + if h_axes < 0: + _api.warn_external('Tight layout not applied. tight_layout ' + 'cannot make Axes width small enough to ' + 'accommodate all Axes decorations') + return None + else: + kwargs["wspace"] = hspace / h_axes + if rows > 1: + vspace = vspaces[1:-1, :].max() + vpad_inch / fig_height_inch + v_axes = (1 - margin_top - margin_bottom - vspace * (rows - 1)) / rows + if v_axes < 0: + _api.warn_external('Tight layout not applied. tight_layout ' + 'cannot make Axes height small enough to ' + 'accommodate all Axes decorations.') + return None + else: + kwargs["hspace"] = vspace / v_axes + + return kwargs + + +def get_subplotspec_list(axes_list, grid_spec=None): + """ + Return a list of subplotspec from the given list of Axes. + + For an instance of Axes that does not support subplotspec, None is inserted + in the list. + + If grid_spec is given, None is inserted for those not from the given + grid_spec. + """ + subplotspec_list = [] + for ax in axes_list: + axes_or_locator = ax.get_axes_locator() + if axes_or_locator is None: + axes_or_locator = ax + + if hasattr(axes_or_locator, "get_subplotspec"): + subplotspec = axes_or_locator.get_subplotspec() + if subplotspec is not None: + subplotspec = subplotspec.get_topmost_subplotspec() + gs = subplotspec.get_gridspec() + if grid_spec is not None: + if gs != grid_spec: + subplotspec = None + elif gs.locally_modified_subplot_params(): + subplotspec = None + else: + subplotspec = None + + subplotspec_list.append(subplotspec) + + return subplotspec_list + + +def get_tight_layout_figure(fig, axes_list, subplotspec_list, renderer, + pad=1.08, h_pad=None, w_pad=None, rect=None): + """ + Return subplot parameters for tight-layouted-figure with specified padding. + + Parameters + ---------- + fig : Figure + axes_list : list of Axes + subplotspec_list : list of `.SubplotSpec` + The subplotspecs of each Axes. + renderer : renderer + pad : float + Padding between the figure edge and the edges of subplots, as a + fraction of the font size. + h_pad, w_pad : float + Padding (height/width) between edges of adjacent subplots. Defaults to + *pad*. + rect : tuple (left, bottom, right, top), default: None. + rectangle in normalized figure coordinates + that the whole subplots area (including labels) will fit into. + Defaults to using the entire figure. + + Returns + ------- + subplotspec or None + subplotspec kwargs to be passed to `.Figure.subplots_adjust` or + None if tight_layout could not be accomplished. + """ + + # Multiple Axes can share same subplotspec (e.g., if using axes_grid1); + # we need to group them together. + ss_to_subplots = {ss: [] for ss in subplotspec_list} + for ax, ss in zip(axes_list, subplotspec_list): + ss_to_subplots[ss].append(ax) + if ss_to_subplots.pop(None, None): + _api.warn_external( + "This figure includes Axes that are not compatible with " + "tight_layout, so results might be incorrect.") + if not ss_to_subplots: + return {} + subplot_list = list(ss_to_subplots.values()) + ax_bbox_list = [ss.get_position(fig) for ss in ss_to_subplots] + + max_nrows = max(ss.get_gridspec().nrows for ss in ss_to_subplots) + max_ncols = max(ss.get_gridspec().ncols for ss in ss_to_subplots) + + span_pairs = [] + for ss in ss_to_subplots: + # The intent here is to support Axes from different gridspecs where + # one's nrows (or ncols) is a multiple of the other (e.g. 2 and 4), + # but this doesn't actually work because the computed wspace, in + # relative-axes-height, corresponds to different physical spacings for + # the 2-row grid and the 4-row grid. Still, this code is left, mostly + # for backcompat. + rows, cols = ss.get_gridspec().get_geometry() + div_row, mod_row = divmod(max_nrows, rows) + div_col, mod_col = divmod(max_ncols, cols) + if mod_row != 0: + _api.warn_external('tight_layout not applied: number of rows ' + 'in subplot specifications must be ' + 'multiples of one another.') + return {} + if mod_col != 0: + _api.warn_external('tight_layout not applied: number of ' + 'columns in subplot specifications must be ' + 'multiples of one another.') + return {} + span_pairs.append(( + slice(ss.rowspan.start * div_row, ss.rowspan.stop * div_row), + slice(ss.colspan.start * div_col, ss.colspan.stop * div_col))) + + kwargs = _auto_adjust_subplotpars(fig, renderer, + shape=(max_nrows, max_ncols), + span_pairs=span_pairs, + subplot_list=subplot_list, + ax_bbox_list=ax_bbox_list, + pad=pad, h_pad=h_pad, w_pad=w_pad) + + # kwargs can be none if tight_layout fails... + if rect is not None and kwargs is not None: + # if rect is given, the whole subplots area (including + # labels) will fit into the rect instead of the + # figure. Note that the rect argument of + # *auto_adjust_subplotpars* specify the area that will be + # covered by the total area of axes.bbox. Thus we call + # auto_adjust_subplotpars twice, where the second run + # with adjusted rect parameters. + + left, bottom, right, top = rect + if left is not None: + left += kwargs["left"] + if bottom is not None: + bottom += kwargs["bottom"] + if right is not None: + right -= (1 - kwargs["right"]) + if top is not None: + top -= (1 - kwargs["top"]) + + kwargs = _auto_adjust_subplotpars(fig, renderer, + shape=(max_nrows, max_ncols), + span_pairs=span_pairs, + subplot_list=subplot_list, + ax_bbox_list=ax_bbox_list, + pad=pad, h_pad=h_pad, w_pad=w_pad, + rect=(left, bottom, right, top)) + + return kwargs diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_tri.cpython-312-x86_64-linux-gnu.so b/.venv/lib/python3.12/site-packages/matplotlib/_tri.cpython-312-x86_64-linux-gnu.so new file mode 100644 index 0000000000000000000000000000000000000000..d4250a1be69afd1e5c15e9d5704e2772fa7bdc90 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_tri.cpython-312-x86_64-linux-gnu.so @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:23732353bc8708e57d6abaaeecf149a2cfe15fa574c52dea4fc54d98f74793fb +size 439264 diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_tri.pyi b/.venv/lib/python3.12/site-packages/matplotlib/_tri.pyi new file mode 100644 index 0000000000000000000000000000000000000000..a0c710fc2309fbfac3f37297eda919d86de32c76 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_tri.pyi @@ -0,0 +1,36 @@ +# This is a private module implemented in C++ +from typing import final + +import numpy as np +import numpy.typing as npt + +@final +class TrapezoidMapTriFinder: + def __init__(self, triangulation: Triangulation): ... + def find_many(self, x: npt.NDArray[np.float64], y: npt.NDArray[np.float64]) -> npt.NDArray[np.int_]: ... + def get_tree_stats(self) -> list[int | float]: ... + def initialize(self) -> None: ... + def print_tree(self) -> None: ... + +@final +class TriContourGenerator: + def __init__(self, triangulation: Triangulation, z: npt.NDArray[np.float64]): ... + def create_contour(self, level: float) -> tuple[list[float], list[int]]: ... + def create_filled_contour(self, lower_level: float, upper_level: float) -> tuple[list[float], list[int]]: ... + +@final +class Triangulation: + def __init__( + self, + x: npt.NDArray[np.float64], + y: npt.NDArray[np.float64], + triangles: npt.NDArray[np.int_], + mask: npt.NDArray[np.bool_] | tuple[()], + edges: npt.NDArray[np.int_] | tuple[()], + neighbors: npt.NDArray[np.int_] | tuple[()], + correct_triangle_orientation: bool, + ): ... + def calculate_plane_coefficients(self, z: npt.ArrayLike) -> npt.NDArray[np.float64]: ... + def get_edges(self) -> npt.NDArray[np.int_]: ... + def get_neighbors(self) -> npt.NDArray[np.int_]: ... + def set_mask(self, mask: npt.NDArray[np.bool_] | tuple[()]) -> None: ... diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_type1font.py b/.venv/lib/python3.12/site-packages/matplotlib/_type1font.py new file mode 100644 index 0000000000000000000000000000000000000000..e91b1391b2c1990ba6fa5ea4259e511d91312ced --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_type1font.py @@ -0,0 +1,1227 @@ +""" +A class representing a Type 1 font. + +This version reads pfa and pfb files and splits them for embedding in +pdf files. It also supports SlantFont and ExtendFont transformations, +similarly to pdfTeX and friends. + +Usage:: + + font = Type1Font(filename) + clear_part, encrypted_part, finale = font.parts + slanted_font = font.transform({'slant': 0.167}) + extended_font = font.transform({'extend': 1.2}) + subset_font = font.subset([ord(c) for c in 'Hello World']) + +Sources: + +* Adobe Technical Note #5040, Supporting Downloadable PostScript + Language Fonts. + +* Adobe Type 1 Font Format, Adobe Systems Incorporated, third printing, + v1.1, 1993. ISBN 0-201-57044-0. +""" + +from __future__ import annotations + +import binascii +import functools +import itertools +import logging +import re +import string +import struct +import typing as T + +import numpy as np + +from matplotlib.cbook import _format_approx +from . import _api + +_log = logging.getLogger(__name__) + + +class _Token: + """ + A token in a PostScript stream. + + Attributes + ---------- + pos : int + Position, i.e. offset from the beginning of the data. + raw : str + Raw text of the token. + kind : str + Description of the token (for debugging or testing). + """ + __slots__ = ('pos', 'raw') + kind = '?' + + def __init__(self, pos, raw): + _log.debug('type1font._Token %s at %d: %r', self.kind, pos, raw) + self.pos = pos + self.raw = raw + + def __str__(self): + return f"<{self.kind} {self.raw} @{self.pos}>" + + def endpos(self): + """Position one past the end of the token""" + return self.pos + len(self.raw) + + def is_keyword(self, *names): + """Is this a name token with one of the names?""" + return False + + def is_slash_name(self): + """Is this a name token that starts with a slash?""" + return False + + def is_delim(self): + """Is this a delimiter token?""" + return False + + def is_number(self): + """Is this a number token?""" + return False + + def value(self): + return self.raw + + +class _NameToken(_Token): + kind = 'name' + + def is_slash_name(self): + return self.raw.startswith('/') + + def value(self): + return self.raw[1:] + + +class _BooleanToken(_Token): + kind = 'boolean' + + def value(self): + return self.raw == 'true' + + +class _KeywordToken(_Token): + kind = 'keyword' + + def is_keyword(self, *names): + return self.raw in names + + +class _DelimiterToken(_Token): + kind = 'delimiter' + + def is_delim(self): + return True + + def opposite(self): + return {'[': ']', ']': '[', + '{': '}', '}': '{', + '<<': '>>', '>>': '<<' + }[self.raw] + + +class _WhitespaceToken(_Token): + kind = 'whitespace' + + +class _StringToken(_Token): + kind = 'string' + _escapes_re = re.compile(r'\\([\\()nrtbf]|[0-7]{1,3})') + _replacements = {'\\': '\\', '(': '(', ')': ')', 'n': '\n', + 'r': '\r', 't': '\t', 'b': '\b', 'f': '\f'} + _ws_re = re.compile('[\0\t\r\f\n ]') + + @classmethod + def _escape(cls, match): + group = match.group(1) + try: + return cls._replacements[group] + except KeyError: + return chr(int(group, 8)) + + @functools.lru_cache + def value(self): + if self.raw[0] == '(': + return self._escapes_re.sub(self._escape, self.raw[1:-1]) + else: + data = self._ws_re.sub('', self.raw[1:-1]) + if len(data) % 2 == 1: + data += '0' + return binascii.unhexlify(data) + + +class _BinaryToken(_Token): + kind = 'binary' + + def value(self): + return self.raw[1:] + + +class _NumberToken(_Token): + kind = 'number' + + def is_number(self): + return True + + def value(self): + if '.' not in self.raw: + return int(self.raw) + else: + return float(self.raw) + + +def _tokenize(data: bytes, skip_ws: bool) -> T.Generator[_Token, int, None]: + """ + A generator that produces _Token instances from Type-1 font code. + + The consumer of the generator may send an integer to the tokenizer to + indicate that the next token should be _BinaryToken of the given length. + + Parameters + ---------- + data : bytes + The data of the font to tokenize. + + skip_ws : bool + If true, the generator will drop any _WhitespaceTokens from the output. + """ + + text = data.decode('ascii', 'replace') + whitespace_or_comment_re = re.compile(r'[\0\t\r\f\n ]+|%[^\r\n]*') + token_re = re.compile(r'/{0,2}[^]\0\t\r\f\n ()<>{}/%[]+') + instring_re = re.compile(r'[()\\]') + hex_re = re.compile(r'^<[0-9a-fA-F\0\t\r\f\n ]*>$') + oct_re = re.compile(r'[0-7]{1,3}') + pos = 0 + next_binary: int | None = None + + while pos < len(text): + if next_binary is not None: + n = next_binary + next_binary = (yield _BinaryToken(pos, data[pos:pos+n])) + pos += n + continue + match = whitespace_or_comment_re.match(text, pos) + if match: + if not skip_ws: + next_binary = (yield _WhitespaceToken(pos, match.group())) + pos = match.end() + elif text[pos] == '(': + # PostScript string rules: + # - parentheses must be balanced + # - backslashes escape backslashes and parens + # - also codes \n\r\t\b\f and octal escapes are recognized + # - other backslashes do not escape anything + start = pos + pos += 1 + depth = 1 + while depth: + match = instring_re.search(text, pos) + if match is None: + raise ValueError( + f'Unterminated string starting at {start}') + pos = match.end() + if match.group() == '(': + depth += 1 + elif match.group() == ')': + depth -= 1 + else: # a backslash + char = text[pos] + if char in r'\()nrtbf': + pos += 1 + else: + octal = oct_re.match(text, pos) + if octal: + pos = octal.end() + else: + pass # non-escaping backslash + next_binary = (yield _StringToken(start, text[start:pos])) + elif text[pos:pos + 2] in ('<<', '>>'): + next_binary = (yield _DelimiterToken(pos, text[pos:pos + 2])) + pos += 2 + elif text[pos] == '<': + start = pos + try: + pos = text.index('>', pos) + 1 + except ValueError as e: + raise ValueError(f'Unterminated hex string starting at {start}' + ) from e + if not hex_re.match(text[start:pos]): + raise ValueError(f'Malformed hex string starting at {start}') + next_binary = (yield _StringToken(pos, text[start:pos])) + else: + match = token_re.match(text, pos) + if match: + raw = match.group() + if raw.startswith('/'): + next_binary = (yield _NameToken(pos, raw)) + elif match.group() in ('true', 'false'): + next_binary = (yield _BooleanToken(pos, raw)) + else: + try: + float(raw) + next_binary = (yield _NumberToken(pos, raw)) + except ValueError: + next_binary = (yield _KeywordToken(pos, raw)) + pos = match.end() + else: + next_binary = (yield _DelimiterToken(pos, text[pos])) + pos += 1 + + +class _BalancedExpression(_Token): + pass + + +def _expression(initial, tokens, data): + """ + Consume some number of tokens and return a balanced PostScript expression. + + Parameters + ---------- + initial : _Token + The token that triggered parsing a balanced expression. + tokens : iterator of _Token + Following tokens. + data : bytes + Underlying data that the token positions point to. + + Returns + ------- + _BalancedExpression + """ + delim_stack = [] + token = initial + while True: + if token.is_delim(): + if token.raw in ('[', '{'): + delim_stack.append(token) + elif token.raw in (']', '}'): + if not delim_stack: + raise RuntimeError(f"unmatched closing token {token}") + match = delim_stack.pop() + if match.raw != token.opposite(): + raise RuntimeError( + f"opening token {match} closed by {token}" + ) + if not delim_stack: + break + else: + raise RuntimeError(f'unknown delimiter {token}') + elif not delim_stack: + break + token = next(tokens) + return _BalancedExpression( + initial.pos, + data[initial.pos:token.endpos()].decode('ascii', 'replace') + ) + + +class Type1Font: + """ + A class representing a Type-1 font, for use by backends. + + Attributes + ---------- + parts : tuple + A 3-tuple of the cleartext part, the encrypted part, and the finale of + zeros. + + decrypted : bytes + The decrypted form of ``parts[1]``. + + prop : dict[str, Any] + A dictionary of font properties. Noteworthy keys include: + + - FontName: PostScript name of the font + - Encoding: dict from numeric codes to glyph names + - FontMatrix: bytes object encoding a matrix + - UniqueID: optional font identifier, dropped when modifying the font + - CharStrings: dict from glyph names to byte code + - Subrs: array of byte code subroutines + - OtherSubrs: bytes object encoding some PostScript code + """ + __slots__ = ('parts', 'decrypted', 'prop', '_pos', '_abbr') + # the _pos dict contains (begin, end) indices to parts[0] + decrypted + # so that they can be replaced when transforming the font; + # but since sometimes a definition appears in both parts[0] and decrypted, + # _pos[name] is an array of such pairs + # + # _abbr maps three standard abbreviations to their particular names in + # this font (e.g. 'RD' is named '-|' in some fonts) + + def __init__(self, input): + """ + Initialize a Type-1 font. + + Parameters + ---------- + input : str or 3-tuple + Either a pfb file name, or a 3-tuple of already-decoded Type-1 + font `~.Type1Font.parts`. + """ + if isinstance(input, tuple) and len(input) == 3: + self.parts = input + else: + with open(input, 'rb') as file: + data = self._read(file) + self.parts = self._split(data) + + self.decrypted = self._decrypt(self.parts[1], 'eexec') + self._abbr = {'RD': 'RD', 'ND': 'ND', 'NP': 'NP'} + self._parse() + + def _read(self, file): + """Read the font from a file, decoding into usable parts.""" + rawdata = file.read() + if not rawdata.startswith(b'\x80'): + return rawdata + + data = b'' + while rawdata: + if not rawdata.startswith(b'\x80'): + raise RuntimeError('Broken pfb file (expected byte 128, ' + 'got %d)' % rawdata[0]) + type = rawdata[1] + if type in (1, 2): + length, = struct.unpack('> 8)) + key = ((key+byte) * 52845 + 22719) & 0xffff + + return bytes(plaintext[ndiscard:]) + + @staticmethod + def _encrypt(plaintext, key, ndiscard=4): + """ + Encrypt plaintext using the Type-1 font algorithm. + + The algorithm is described in Adobe's "Adobe Type 1 Font Format". + The key argument can be an integer, or one of the strings + 'eexec' and 'charstring', which map to the key specified for the + corresponding part of Type-1 fonts. + + The ndiscard argument should be an integer, usually 4. That + number of bytes is prepended to the plaintext before encryption. + This function prepends NUL bytes for reproducibility, even though + the original algorithm uses random bytes, presumably to avoid + cryptanalysis. + """ + + key = _api.getitem_checked({'eexec': 55665, 'charstring': 4330}, key=key) + ciphertext = [] + for byte in b'\0' * ndiscard + plaintext: + c = byte ^ (key >> 8) + ciphertext.append(c) + key = ((key + c) * 52845 + 22719) & 0xffff + + return bytes(ciphertext) + + def _parse(self): + """ + Find the values of various font properties. This limited kind + of parsing is described in Chapter 10 "Adobe Type Manager + Compatibility" of the Type-1 spec. + """ + # Start with reasonable defaults + prop = {'Weight': 'Regular', 'ItalicAngle': 0.0, 'isFixedPitch': False, + 'UnderlinePosition': -100, 'UnderlineThickness': 50} + pos = {} + data = self.parts[0] + self.decrypted + + source = _tokenize(data, True) + while True: + # See if there is a key to be assigned a value + # e.g. /FontName in /FontName /Helvetica def + try: + token = next(source) + except StopIteration: + break + if token.is_delim(): + # skip over this - we want top-level keys only + _expression(token, source, data) + if token.is_slash_name(): + key = token.value() + keypos = token.pos + else: + continue + + # Some values need special parsing + if key in ('Subrs', 'CharStrings', 'Encoding', 'OtherSubrs'): + parser = { + 'Subrs': self._parse_subrs, + 'CharStrings': self._parse_charstrings, + 'Encoding': self._parse_encoding, + 'OtherSubrs': self._parse_othersubrs + }[key] + try: + prop[key], endpos = parser(source, data) + except StopIteration: + raise RuntimeError( + f"Malformed Type1 font file: Incomplete /{key}" + ) from None + pos.setdefault(key, []).append((keypos, endpos)) + continue + + try: + token = next(source) + except StopIteration: + break + + if isinstance(token, _KeywordToken): + # constructs like + # FontDirectory /Helvetica known {...} {...} ifelse + # mean the key was not really a key + continue + + if token.is_delim(): + value = _expression(token, source, data).raw + else: + value = token.value() + + # look for a 'def' possibly preceded by access modifiers + try: + kw = next( + kw for kw in source + if not kw.is_keyword('readonly', 'noaccess', 'executeonly') + ) + except StopIteration: + break + + # sometimes noaccess def and readonly def are abbreviated + if kw.is_keyword('def', self._abbr['ND'], self._abbr['NP']): + prop[key] = value + pos.setdefault(key, []).append((keypos, kw.endpos())) + + # detect the standard abbreviations + if value == '{noaccess def}': + self._abbr['ND'] = key + elif value == '{noaccess put}': + self._abbr['NP'] = key + elif value == '{string currentfile exch readstring pop}': + self._abbr['RD'] = key + + # Fill in the various *Name properties + if 'FontName' not in prop: + prop['FontName'] = (prop.get('FullName') or + prop.get('FamilyName') or + 'Unknown') + if 'FullName' not in prop: + prop['FullName'] = prop['FontName'] + if 'FamilyName' not in prop: + extras = ('(?i)([ -](regular|plain|italic|oblique|(semi)?bold|' + '(ultra)?light|extra|condensed))+$') + prop['FamilyName'] = re.sub(extras, '', prop['FullName']) + + # Parse FontBBox + toks = [*_tokenize(prop['FontBBox'].encode('ascii'), True)] + if ([tok.kind for tok in toks] + != ['delimiter', 'number', 'number', 'number', 'number', 'delimiter'] + or toks[-1].raw != toks[0].opposite()): + raise RuntimeError( + f"FontBBox should be a size-4 array, was {prop['FontBBox']}") + prop['FontBBox'] = [tok.value() for tok in toks[1:-1]] + + # Decrypt the encrypted parts + ndiscard = prop.get('lenIV', 4) + cs = prop['CharStrings'] + for key, value in cs.items(): + cs[key] = self._decrypt(value, 'charstring', ndiscard) + if 'Subrs' in prop: + prop['Subrs'] = [ + self._decrypt(value, 'charstring', ndiscard) + for value in prop['Subrs'] + ] + + self.prop = prop + self._pos = pos + + def _parse_subrs(self, tokens, _data): + count_token = next(tokens) + if not count_token.is_number(): + raise RuntimeError( + f"Token following /Subrs must be a number, was {count_token}" + ) + count = count_token.value() + next(t for t in tokens if t.is_keyword('array')) + # Accumulate the parsed subrs into a dict and only allocate the result + # list once the body has been read. Allocating ``[None] * count`` up + # front lets a malformed font declare a huge count in a few bytes and + # force a large allocation before it is rejected. + entries = {} + for _ in range(count): + next(t for t in tokens if t.is_keyword('dup')) + index_token = next(tokens) + if not index_token.is_number(): + raise RuntimeError( + "Token following dup in Subrs definition must be a " + f"number, was {index_token}" + ) + nbytes_token = next(tokens) + if not nbytes_token.is_number(): + raise RuntimeError( + "Second token following dup in Subrs definition must " + f"be a number, was {nbytes_token}" + ) + token = next(tokens) + if not token.is_keyword(self._abbr['RD']): + raise RuntimeError( + f"Token preceding subr must be {self._abbr['RD']}, " + f"was {token}" + ) + binary_token = tokens.send(1+nbytes_token.value()) + entries[index_token.value()] = binary_token.value() + + # The indices must cover 0 to count-1 exactly. + if (len(entries) != count + or (count and (min(entries), max(entries)) != (0, count - 1))): + raise RuntimeError( + "Malformed Type1 font file: /Subrs indices do not cover " + f"0 to {count - 1}" + ) + array = [entries[index] for index in range(count)] + + return array, next(tokens).endpos() + + def _parse_charstrings(self, tokens, _data): + count_token = next(tokens) + if not count_token.is_number(): + raise RuntimeError( + "Token following /CharStrings must be a number, " + f"was {count_token}" + ) + count = count_token.value() + charstrings = {} + next(t for t in tokens if t.is_keyword('begin')) + while True: + token = next(t for t in tokens + if t.is_keyword('end') or t.is_slash_name()) + if token.raw == 'end': + return charstrings, token.endpos() + glyphname = token.value() + nbytes_token = next(tokens) + if not nbytes_token.is_number(): + raise RuntimeError( + f"Token following /{glyphname} in CharStrings definition " + f"must be a number, was {nbytes_token}" + ) + token = next(tokens) + if not token.is_keyword(self._abbr['RD']): + raise RuntimeError( + f"Token preceding charstring must be {self._abbr['RD']}, " + f"was {token}" + ) + binary_token = tokens.send(1+nbytes_token.value()) + charstrings[glyphname] = binary_token.value() + + @staticmethod + def _parse_encoding(tokens, _data): + # this only works for encodings that follow the Adobe manual + # but some old fonts include non-compliant data - we log a warning + # and return a possibly incomplete encoding + encoding = {} + while True: + token = next(t for t in tokens + if t.is_keyword('StandardEncoding', 'dup', 'def')) + if token.is_keyword('StandardEncoding'): + return _StandardEncoding, token.endpos() + if token.is_keyword('def'): + return encoding, token.endpos() + index_token = next(tokens) + if not index_token.is_number(): + _log.warning( + f"Parsing encoding: expected number, got {index_token}" + ) + continue + name_token = next(tokens) + if not name_token.is_slash_name(): + _log.warning( + f"Parsing encoding: expected slash-name, got {name_token}" + ) + continue + encoding[index_token.value()] = name_token.value() + + def _parse_othersubrs(self, tokens, data): + init_pos = None + while True: + token = next(tokens) + if init_pos is None: + init_pos = token.pos + if token.is_delim(): + _expression(token, tokens, data) + elif token.is_keyword('def', self._abbr['ND']): + return data[init_pos:token.endpos()], token.endpos() + + def transform(self, effects): + """ + Return a new font that is slanted and/or extended. + + Parameters + ---------- + effects : dict + A dict with optional entries: + + - 'slant' : float, default: 0 + Tangent of the angle that the font is to be slanted to the + right. Negative values slant to the left. + - 'extend' : float, default: 1 + Scaling factor for the font width. Values less than 1 condense + the glyphs. + + Returns + ------- + `Type1Font` + """ + fontname = self.prop['FontName'] + italicangle = self.prop['ItalicAngle'] + + array = [ + float(x) for x in (self.prop['FontMatrix'] + .lstrip('[').rstrip(']').split()) + ] + oldmatrix = np.eye(3, 3) + oldmatrix[0:3, 0] = array[::2] + oldmatrix[0:3, 1] = array[1::2] + modifier = np.eye(3, 3) + + if 'slant' in effects: + slant = effects['slant'] + fontname += f'_Slant_{int(1000 * slant)}' + italicangle = round( + float(italicangle) - np.arctan(slant) / np.pi * 180, + 5 + ) + modifier[1, 0] = slant + + if 'extend' in effects: + extend = effects['extend'] + fontname += f'_Extend_{int(1000 * extend)}' + modifier[0, 0] = extend + + newmatrix = np.dot(modifier, oldmatrix) + array[::2] = newmatrix[0:3, 0] + array[1::2] = newmatrix[0:3, 1] + fontmatrix = ( + f"[{' '.join(_format_approx(x, 6) for x in array)}]" + ) + newparts = self._replace( + [(x, f'/FontName/{fontname} def') + for x in self._pos['FontName']] + + [(x, f'/ItalicAngle {italicangle} def') + for x in self._pos['ItalicAngle']] + + [(x, f'/FontMatrix {fontmatrix} readonly def') + for x in self._pos['FontMatrix']] + + [(x, '') for x in self._pos.get('UniqueID', [])] + ) + + return Type1Font(( + newparts[0], + self._encrypt(newparts[1], 'eexec'), + self.parts[2] + )) + + def with_encoding(self, encoding): + """ + Change the encoding of the font. + + Parameters + ---------- + encoding : dict + A dictionary mapping character codes to glyph names. + + Returns + ------- + `Type1Font` + """ + newparts = self._replace( + [(x, '') for x in self._pos.get('UniqueID', [])] + + [(self._pos['Encoding'][0], self._postscript_encoding(encoding))] + ) + return Type1Font(( + newparts[0], + self._encrypt(newparts[1], 'eexec'), + self.parts[2] + )) + + def _replace(self, replacements): + """ + Change the font according to `replacements` + + Parameters + ---------- + replacements : list of ((int, int), str) + Each element is ((pos0, pos1), replacement) where pos0 and + pos1 are indices to the original font data (parts[0] and the + decrypted part concatenated). The data in the interval + pos0:pos1 will be replaced by the replacement text. To + accommodate binary data, the replacement is taken to be in + Latin-1 encoding. + + The case where pos0 is inside parts[0] and pos1 inside + the decrypted part is not supported. + + Returns + ------- + (bytes, bytes) + The new parts[0] and decrypted part (which needs to be + encrypted in the transformed font). + """ + data = bytearray(self.parts[0]) + data.extend(self.decrypted) + len0 = len(self.parts[0]) + for (pos0, pos1), value in sorted(replacements, reverse=True): + data[pos0:pos1] = value.encode('latin-1') + if pos0 < len(self.parts[0]): + if pos1 >= len(self.parts[0]): + raise RuntimeError( + f"text to be replaced with {value} spans " + "the eexec boundary" + ) + len0 += len(value) - pos1 + pos0 + + return bytes(data[:len0]), bytes(data[len0:]) + + def subset(self, characters, name_prefix): + """ + Return a new font that only defines the given characters. + + Parameters + ---------- + characters : sequence of bytes + The subset of characters to include. These are indices into the + font's encoding array. The encoding array of a Type-1 font can + only include 256 characters, but other glyphs may be accessed + via the seac operator. + name_prefix : str + Prefix to prepend to the font name. + + Returns + ------- + `Type1Font` + """ + characters = frozenset(characters) + if _log.isEnabledFor(logging.DEBUG): + _log.debug( + "Subsetting font %s to characters %s = %s", + self.prop['FontName'], + sorted(characters), + [self.prop['Encoding'].get(code) for code in sorted(characters)], + ) + encoding = {code: glyph + for code, glyph in self.prop['Encoding'].items() + if code in characters} + # todo and done include strings (glyph names) + todo = {'.notdef', *encoding.values()} + done = set() + seen_subrs = {0, 1, 2, 3} + while todo: + glyph = todo.pop() + called_glyphs, called_subrs = _CharstringSimulator(self).run(glyph) + done.add(glyph) + todo.update(called_glyphs - done) + seen_subrs.update(called_subrs) + + charstrings = self._subset_charstrings(done) + subrs = self._subset_subrs(seen_subrs) + newparts = self._replace( + [(x, f'/FontName /{name_prefix}{self.prop["FontName"]} def') + for x in self._pos['FontName']] + + [(self._pos['CharStrings'][0], charstrings), + (self._pos['Subrs'][0], subrs), + (self._pos['Encoding'][0], self._postscript_encoding(encoding)) + ] + [(x, '') for x in self._pos.get('UniqueID', [])] + ) + return type(self)(( + newparts[0], + self._encrypt(newparts[1], 'eexec'), + self.parts[2] + )) + + @staticmethod + def _charstring_tokens(data): + """Parse a Type-1 charstring + + Yield opcode names and integer parameters. + """ + data = iter(data) + for byte in data: + if 32 <= byte <= 246: + yield byte - 139 + elif 247 <= byte <= 250: + byte2 = next(data) + yield (byte-247) * 256 + byte2 + 108 + elif 251 <= byte <= 254: + byte2 = next(data) + yield -(byte-251)*256 - byte2 - 108 + elif byte == 255: + bs = bytes(itertools.islice(data, 4)) + yield struct.unpack('>i', bs)[0] + elif byte == 12: + byte1 = next(data) + yield { + 0: 'dotsection', + 1: 'vstem3', + 2: 'hstem3', + 6: 'seac', + 7: 'sbw', + 12: 'div', + 16: 'callothersubr', + 17: 'pop', + 33: 'setcurrentpoint' + }[byte1] + else: + yield { + 1: 'hstem', + 3: 'vstem', + 4: 'vmoveto', + 5: 'rlineto', + 6: 'hlineto', + 7: 'vlineto', + 8: 'rrcurveto', + 9: 'closepath', + 10: 'callsubr', + 11: 'return', + 13: 'hsbw', + 14: 'endchar', + 21: 'rmoveto', + 22: 'hmoveto', + 30: 'vhcurveto', + 31: 'hvcurveto' + }[byte] + + def _postscript_encoding(self, encoding): + """Return a PostScript encoding array for the encoding.""" + return '\n'.join([ + '/Encoding 256 array', + '0 1 255 { 1 index exch /.notdef put} for', + *( + f'dup {i} /{glyph} put' + for i, glyph in sorted(encoding.items()) + if glyph != '.notdef' + ), + 'readonly def\n', + ]) + + def _subset_charstrings(self, glyphs): + """Return a PostScript CharStrings array for the glyphs.""" + charstrings = self.prop['CharStrings'] + lenIV = self.prop.get('lenIV', 4) + ordered = sorted(glyphs) + encrypted = [ + self._encrypt(charstrings[glyph], 'charstring', lenIV).decode('latin-1') + for glyph in ordered + ] + RD, ND = self._abbr['RD'], self._abbr['ND'] + return '\n'.join([ + f'/CharStrings {len(ordered)} dict dup begin', + *( + f'/{glyph} {len(enc)} {RD} {enc} {ND}' + for glyph, enc in zip(ordered, encrypted) + ), + 'end\n', + ]) + + def _subset_subrs(self, indices): + """Return a PostScript Subrs array for the subroutines.""" + # we can't remove subroutines, we just replace unused ones with a stub + subrs = self.prop['Subrs'] + n_subrs = len(subrs) + lenIV = self.prop.get('lenIV', 4) + stub = self._encrypt(b'\x0b', 'charstring', lenIV).decode('latin-1') + encrypted = [ + self._encrypt(subrs[i], 'charstring', lenIV).decode('latin-1') + if i in indices + else stub + for i in range(n_subrs) + ] + RD, ND, NP = self._abbr['RD'], self._abbr['ND'], self._abbr['NP'] + return '\n'.join([ + f'/Subrs {n_subrs} array', + *( + f'dup {i} {len(enc)} {RD} {enc} {NP}' + for i, enc in enumerate(encrypted) + ), + ]) + + +class _CharstringSimulator: + __slots__ = ('font', 'buildchar_stack', 'postscript_stack', 'glyphs', 'subrs') + + def __init__(self, font): + self.font = font + self.buildchar_stack = [] + self.postscript_stack = [] + self.glyphs = set() + self.subrs = set() + + def run(self, glyph_or_subr): + """Run the charstring interpreter on a glyph or subroutine. + + This does not actually execute the code but simulates it to find out + which subroutines get called when executing the glyph or subroutine. + + Parameters + ---------- + glyph_or_subr : str or int + The name of the glyph or the index of the subroutine to simulate. + + Returns + ------- + glyphs : set[str] + The set of glyph names called by the glyph or subroutine. + subrs : set[int] + The set of subroutines called by the glyph or subroutine. + """ + if isinstance(glyph_or_subr, str): + program = self.font.prop['CharStrings'][glyph_or_subr] + self.glyphs.add(glyph_or_subr) + else: + program = self.font.prop['Subrs'][glyph_or_subr] + self.subrs.add(glyph_or_subr) + for opcode in self.font._charstring_tokens(program): + if opcode in ('return', 'endchar'): + return self.glyphs, self.subrs + self._step(opcode) + else: + font_name = self.font.prop.get('FontName', '(unknown)') + _log.info( + f"Glyph or subr {glyph_or_subr} in font {font_name} does not end " + "with return or endchar" + ) + return self.glyphs, self.subrs + + def _step(self, opcode): + """Run one step in the charstring interpreter.""" + match opcode: + case int(): + self.buildchar_stack.append(opcode) + case ( + 'hsbw' | 'sbw' | 'closepath' | 'hlineto' | 'hmoveto' | 'hcurveto' | + 'hvcurveto' | 'rlineto' | 'rmoveto' | 'rrcurveto' | 'vhcurveto' | + 'vlineto' | 'vmoveto' | 'dotsection' | 'hstem' | 'hstem3' | + 'vstem' | 'vstem3' | 'setcurrentpoint' + ): + self.buildchar_stack.clear() + case 'seac': # Standard Encoding Accented Character + codes = self.buildchar_stack[3:5] + self.glyphs.update(_StandardEncoding[int(x)] for x in codes) + self.buildchar_stack.clear() + case 'div': + num1, num2 = self.buildchar_stack[-2:] + if num2 == 0: + _log.warning( + f"Division by zero in font {self.font.prop['FontName']}" + ) + self.buildchar_stack[-2:] = [0] + else: + self.buildchar_stack[-2:] = [num1/num2] + case 'callothersubr': + n, othersubr = self.buildchar_stack[-2:] + if not isinstance(n, int): + _log.warning( + f"callothersubr {othersubr} with non-integer argument " + f"count in font {self.font.prop['FontName']}" + ) + n = int(n) + args = self.buildchar_stack[-2-n:-2] + if othersubr == 3: + self.postscript_stack.append(args[0]) + else: + self.postscript_stack.extend(args[::-1]) + self.buildchar_stack[-2-n:] = [] + case 'callsubr': + subr = self.buildchar_stack.pop() + if not isinstance(subr, int): + _log.warning( + f"callsubr with non-integer argument {subr} in font " + f"{self.font.prop['FontName']}" + ) + subr = int(subr) + self.run(subr) + case 'pop': + if not self.postscript_stack: + _log.warning( + f"pop with empty stack in font {self.font.prop['FontName']}" + ) + self.postscript_stack.append(0) + self.buildchar_stack.append(self.postscript_stack.pop()) + case _: + raise RuntimeError(f'opcode {opcode}') + + +_StandardEncoding = { + **{ord(letter): letter for letter in string.ascii_letters}, + 0: '.notdef', + 32: 'space', + 33: 'exclam', + 34: 'quotedbl', + 35: 'numbersign', + 36: 'dollar', + 37: 'percent', + 38: 'ampersand', + 39: 'quoteright', + 40: 'parenleft', + 41: 'parenright', + 42: 'asterisk', + 43: 'plus', + 44: 'comma', + 45: 'hyphen', + 46: 'period', + 47: 'slash', + 48: 'zero', + 49: 'one', + 50: 'two', + 51: 'three', + 52: 'four', + 53: 'five', + 54: 'six', + 55: 'seven', + 56: 'eight', + 57: 'nine', + 58: 'colon', + 59: 'semicolon', + 60: 'less', + 61: 'equal', + 62: 'greater', + 63: 'question', + 64: 'at', + 91: 'bracketleft', + 92: 'backslash', + 93: 'bracketright', + 94: 'asciicircum', + 95: 'underscore', + 96: 'quoteleft', + 123: 'braceleft', + 124: 'bar', + 125: 'braceright', + 126: 'asciitilde', + 161: 'exclamdown', + 162: 'cent', + 163: 'sterling', + 164: 'fraction', + 165: 'yen', + 166: 'florin', + 167: 'section', + 168: 'currency', + 169: 'quotesingle', + 170: 'quotedblleft', + 171: 'guillemotleft', + 172: 'guilsinglleft', + 173: 'guilsinglright', + 174: 'fi', + 175: 'fl', + 177: 'endash', + 178: 'dagger', + 179: 'daggerdbl', + 180: 'periodcentered', + 182: 'paragraph', + 183: 'bullet', + 184: 'quotesinglbase', + 185: 'quotedblbase', + 186: 'quotedblright', + 187: 'guillemotright', + 188: 'ellipsis', + 189: 'perthousand', + 191: 'questiondown', + 193: 'grave', + 194: 'acute', + 195: 'circumflex', + 196: 'tilde', + 197: 'macron', + 198: 'breve', + 199: 'dotaccent', + 200: 'dieresis', + 202: 'ring', + 203: 'cedilla', + 205: 'hungarumlaut', + 206: 'ogonek', + 207: 'caron', + 208: 'emdash', + 225: 'AE', + 227: 'ordfeminine', + 232: 'Lslash', + 233: 'Oslash', + 234: 'OE', + 235: 'ordmasculine', + 241: 'ae', + 245: 'dotlessi', + 248: 'lslash', + 249: 'oslash', + 250: 'oe', + 251: 'germandbls', +} diff --git a/.venv/lib/python3.12/site-packages/matplotlib/_version.py b/.venv/lib/python3.12/site-packages/matplotlib/_version.py new file mode 100644 index 0000000000000000000000000000000000000000..7e1bbab0e6c361efc59ceaa55a94c627d3b1652e --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/_version.py @@ -0,0 +1 @@ +version = "3.11.2" diff --git a/.venv/lib/python3.12/site-packages/matplotlib/animation.py b/.venv/lib/python3.12/site-packages/matplotlib/animation.py new file mode 100644 index 0000000000000000000000000000000000000000..ad303cbb92e952099e138861421d66a49b42546e --- /dev/null +++ b/.venv/lib/python3.12/site-packages/matplotlib/animation.py @@ -0,0 +1,1841 @@ +import abc +import base64 +import collections +import contextlib +from io import BytesIO, TextIOWrapper +import itertools +import logging +from pathlib import Path +import shutil +import subprocess +import sys +from tempfile import TemporaryDirectory +import uuid +import warnings + +import numpy as np +from PIL import Image + +import matplotlib as mpl +from matplotlib._animation_data import ( + DISPLAY_TEMPLATE, INCLUDED_FRAMES, JS_INCLUDE, STYLE_INCLUDE) +from matplotlib import _api, cbook +import matplotlib.colors as mcolors + +_log = logging.getLogger(__name__) + +# Process creation flag for subprocess to prevent it raising a terminal +# window. See for example https://stackoverflow.com/q/24130623/ +subprocess_creation_flags = ( + subprocess.CREATE_NO_WINDOW if sys.platform == 'win32' else 0) + + +def adjusted_figsize(w, h, dpi, n): + """ + Compute figure size so that pixels are a multiple of n. + + Parameters + ---------- + w, h : float + Size in inches. + + dpi : float + The dpi. + + n : int + The target multiple. + + Returns + ------- + wnew, hnew : float + The new figure size in inches. + """ + + # this maybe simplified if / when we adopt consistent rounding for + # pixel size across the whole library + def correct_roundoff(x, dpi, n): + if int(x*dpi) % n != 0: + if int(np.nextafter(x, np.inf)*dpi) % n == 0: + x = np.nextafter(x, np.inf) + elif int(np.nextafter(x, -np.inf)*dpi) % n == 0: + x = np.nextafter(x, -np.inf) + return x + + wnew = int(w * dpi / n) * n / dpi + hnew = int(h * dpi / n) * n / dpi + return correct_roundoff(wnew, dpi, n), correct_roundoff(hnew, dpi, n) + + +class MovieWriterRegistry: + """Registry of available writer classes by human readable name.""" + + def __init__(self): + self._registered = dict() + + def register(self, name): + """ + Decorator for registering a class under a name. + + Example use:: + + @registry.register(name) + class Foo: + pass + """ + def wrapper(writer_cls): + self._registered[name] = writer_cls + return writer_cls + return wrapper + + def is_available(self, name): + """ + Check if given writer is available by name. + + Parameters + ---------- + name : str + + Returns + ------- + bool + """ + try: + cls = self._registered[name] + except KeyError: + return False + return cls.isAvailable() + + def __iter__(self): + """Iterate over names of available writer class.""" + for name in self._registered: + if self.is_available(name): + yield name + + def list(self): + """Get a list of available MovieWriters.""" + return [*self] + + def __getitem__(self, name): + """Get an available writer class from its name.""" + _api.check_in_list(self._registered, writer=name) + if self.is_available(name): + return self._registered[name] + raise RuntimeError(f"Requested MovieWriter ({name}) not available") + + +writers = MovieWriterRegistry() + + +class AbstractMovieWriter(abc.ABC): + """ + Abstract base class for writing movies, providing a way to grab frames by + calling `~AbstractMovieWriter.grab_frame`. + + `setup` is called to start the process and `finish` is called afterwards. + `saving` is provided as a context manager to facilitate this process as :: + + with moviewriter.saving(fig, outfile='myfile.mp4', dpi=100): + # Iterate over frames + moviewriter.grab_frame(**savefig_kwargs) + + The use of the context manager ensures that `setup` and `finish` are + performed as necessary. + + An instance of a concrete subclass of this class can be given as the + ``writer`` argument of `Animation.save()`. + """ + + def __init__(self, fps=5, metadata=None, codec=None, bitrate=None): + self.fps = fps + self.metadata = metadata if metadata is not None else {} + self.codec = mpl._val_or_rc(codec, 'animation.codec') + self.bitrate = mpl._val_or_rc(bitrate, 'animation.bitrate') + + @abc.abstractmethod + def setup(self, fig, outfile, dpi=None): + """ + Setup for writing the movie file. + + Parameters + ---------- + fig : `~matplotlib.figure.Figure` + The figure object that contains the information for frames. + outfile : str + The filename of the resulting movie file. + dpi : float, default: ``fig.dpi`` + The DPI (or resolution) for the file. This controls the size + in pixels of the resulting movie file. + """ + # Check that path is valid + Path(outfile).parent.resolve(strict=True) + self.outfile = outfile + self.fig = fig + if dpi is None: + dpi = self.fig.dpi + self.dpi = dpi + + @property + def frame_size(self): + """A tuple ``(width, height)`` in pixels of a movie frame.""" + # We cannot query the canvas for width/height because the dpi may be different + # The tolerance of 1e-8 covers a floating-point tick for even 100,000 pixels + w, h = self.fig.get_size_inches() + return int(w * self.dpi + 1e-8), int(h * self.dpi + 1e-8) + + def _supports_transparency(self): + """ + Whether this writer supports transparency. + + Writers may consult output file type and codec to determine this at runtime. + """ + return False + + @abc.abstractmethod + def grab_frame(self, **savefig_kwargs): + """ + Grab the image information from the figure and save as a movie frame. + + All keyword arguments in *savefig_kwargs* are passed on to the + `~.Figure.savefig` call that saves the figure. However, several + keyword arguments that are supported by `~.Figure.savefig` may not be + passed as they are controlled by the MovieWriter: + + - *dpi*, *bbox_inches*: These may not be passed because each frame of the + animation much be exactly the same size in pixels. + - *format*: This is controlled by the MovieWriter. + """ + + @abc.abstractmethod + def finish(self): + """Finish any processing for writing the movie.""" + + @contextlib.contextmanager + def saving(self, fig, outfile, dpi, *args, **kwargs): + """ + Context manager to facilitate writing the movie file. + + ``*args, **kw`` are any parameters that should be passed to `setup`. + """ + if mpl.rcParams['savefig.bbox'] == 'tight': + _log.info("Disabling savefig.bbox = 'tight', as it may cause " + "frame size to vary, which is inappropriate for " + "animation.") + + # This particular sequence is what contextlib.contextmanager wants + self.setup(fig, outfile, dpi, *args, **kwargs) + with mpl.rc_context({'savefig.bbox': None}): + try: + yield self + finally: + self.finish() + + +class MovieWriter(AbstractMovieWriter): + """ + Base class for writing movies. + + This is a base class for MovieWriter subclasses that write a movie frame + data to a pipe. You cannot instantiate this class directly. + See examples for how to use its subclasses. + + Attributes + ---------- + frame_format : str + The format used in writing frame data, defaults to 'rgba'. + fig : `~matplotlib.figure.Figure` + The figure to capture data from. + This must be provided by the subclasses. + """ + + # Builtin writer subclasses additionally define the _exec_key and _args_key + # attributes, which indicate the rcParams entries where the path to the + # executable and additional command-line arguments to the executable are + # stored. Third-party writers cannot meaningfully set these as they cannot + # extend rcParams with new keys. + + # Pipe-based writers only support RGBA, but file-based ones support more + # formats. + supported_formats = ["rgba"] + + def __init__(self, fps=5, codec=None, bitrate=None, extra_args=None, + metadata=None): + """ + Parameters + ---------- + fps : int, default: 5 + Movie frame rate (per second). + codec : str or None, default: :rc:`animation.codec` + The codec to use. + bitrate : int, default: :rc:`animation.bitrate` + The bitrate of the movie, in kilobits per second. Higher values + means higher quality movies, but increase the file size. A value + of -1 lets the underlying movie encoder select the bitrate. + extra_args : list of str or None, optional + Extra command-line arguments passed to the underlying movie encoder. These + arguments are passed last to the encoder, just before the filename. The + default, None, means to use :rc:`animation.[name-of-encoder]_args` for the + builtin writers. + metadata : dict[str, str], default: {} + A dictionary of keys and values for metadata to include in the + output file. Some keys that may be of use include: + title, artist, genre, subject, copyright, srcform, comment. + """ + if type(self) is MovieWriter: + # TODO MovieWriter is still an abstract class and needs to be + # extended with a mixin. This should be clearer in naming + # and description. For now, just give a reasonable error + # message to users. + raise TypeError( + 'MovieWriter cannot be instantiated directly. Please use one ' + 'of its subclasses.') + + super().__init__(fps=fps, metadata=metadata, codec=codec, + bitrate=bitrate) + self.frame_format = self.supported_formats[0] + self.extra_args = extra_args + + def _adjust_frame_size(self): + wo, ho = self.frame_size # in pixels, so need to convert to inches + wo /= self.dpi + ho /= self.dpi + if self.codec == 'h264': + w, h = adjusted_figsize(wo, ho, self.dpi, 2) + if (wo, ho) != (w, h): + self.fig.set_size_inches(w, h, forward=True) + _log.info('figure size in inches has been adjusted ' + 'from %s x %s to %s x %s', wo, ho, w, h) + else: + w, h = wo, ho + _log.debug('frame size in pixels is %s x %s', *self.frame_size) + return w, h + + def setup(self, fig, outfile, dpi=None): + # docstring inherited + super().setup(fig, outfile, dpi=dpi) + self._w, self._h = self._adjust_frame_size() + # Run here so that grab_frame() can write the data to a pipe. This + # eliminates the need for temp files. + self._run() + + def _run(self): + # Uses subprocess to call the program for assembling frames into a + # movie file. *args* returns the sequence of command line arguments + # from a few configuration options. + command = self._args() + _log.info('MovieWriter._run: running command: %s', + cbook._pformat_subprocess(command)) + PIPE = subprocess.PIPE + self._proc = subprocess.Popen( + command, stdin=PIPE, stdout=PIPE, stderr=PIPE, + creationflags=subprocess_creation_flags) + + def finish(self): + """Finish any processing for writing the movie.""" + out, err = self._proc.communicate() + # Use the encoding/errors that universal_newlines would use. + out = TextIOWrapper(BytesIO(out)).read() + err = TextIOWrapper(BytesIO(err)).read() + if out: + _log.log( + logging.WARNING if self._proc.returncode else logging.DEBUG, + "MovieWriter stdout:\n%s", out) + if err: + _log.log( + logging.WARNING if self._proc.returncode else logging.DEBUG, + "MovieWriter stderr:\n%s", err) + if self._proc.returncode: + raise subprocess.CalledProcessError( + self._proc.returncode, self._proc.args, out, err) + + def grab_frame(self, **savefig_kwargs): + # docstring inherited + _validate_grabframe_kwargs(savefig_kwargs) + _log.debug('MovieWriter.grab_frame: Grabbing frame.') + # Readjust the figure size in case it has been changed by the user. + # All frames must have the same size to save the movie correctly. + self.fig.set_size_inches(self._w, self._h) + # Save the figure data to the sink, using the frame format and dpi. + self.fig.savefig(self._proc.stdin, format=self.frame_format, + dpi=self.dpi, **savefig_kwargs) + + def _args(self): + """Assemble list of encoder-specific command-line arguments.""" + return NotImplementedError("args needs to be implemented by subclass.") + + @classmethod + def bin_path(cls): + """ + Return the binary path to the commandline tool used by a specific + subclass. This is a class method so that the tool can be looked for + before making a particular MovieWriter subclass available. + """ + return str(mpl.rcParams[cls._exec_key]) + + @classmethod + def isAvailable(cls): + """Return whether a MovieWriter subclass is actually available.""" + if sys.platform == 'emscripten': + return False + return shutil.which(cls.bin_path()) is not None + + +class FileMovieWriter(MovieWriter): + """ + `MovieWriter` for writing to individual files and stitching at the end. + + This must be sub-classed to be useful. + """ + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + self.frame_format = mpl.rcParams['animation.frame_format'] + + def setup(self, fig, outfile, dpi=None, frame_prefix=None): + """ + Setup for writing the movie file. + + Parameters + ---------- + fig : `~matplotlib.figure.Figure` + The figure to grab the rendered frames from. + outfile : str + The filename of the resulting movie file. + dpi : float, default: ``fig.dpi`` + The dpi of the output file. This, with the figure size, + controls the size in pixels of the resulting movie file. + frame_prefix : str, optional + The filename prefix to use for temporary files. If *None* (the + default), files are written to a temporary directory which is + deleted by `finish`; if not *None*, no temporary files are + deleted. + """ + # Check that path is valid + Path(outfile).parent.resolve(strict=True) + self.fig = fig + self.outfile = outfile + if dpi is None: + dpi = self.fig.dpi + self.dpi = dpi + self._adjust_frame_size() + + if frame_prefix is None: + self._tmpdir = TemporaryDirectory() + self.temp_prefix = str(Path(self._tmpdir.name, 'tmp')) + else: + self._tmpdir = None + self.temp_prefix = frame_prefix + self._frame_counter = 0 # used for generating sequential file names + self._temp_paths = list() + self.fname_format_str = '%s%%07d.%s' + + def __del__(self): + if hasattr(self, '_tmpdir') and self._tmpdir: + self._tmpdir.cleanup() + + @property + def frame_format(self): + """ + Format (png, jpeg, etc.) to use for saving the frames, which can be + decided by the individual subclasses. + """ + return self._frame_format + + @frame_format.setter + def frame_format(self, frame_format): + if frame_format in self.supported_formats: + self._frame_format = frame_format + else: + _api.warn_external( + f"Ignoring file format {frame_format!r} which is not " + f"supported by {type(self).__name__}; using " + f"{self.supported_formats[0]} instead.") + self._frame_format = self.supported_formats[0] + + def _base_temp_name(self): + # Generates a template name (without number) given the frame format + # for extension and the prefix. + return self.fname_format_str % (self.temp_prefix, self.frame_format) + + def grab_frame(self, **savefig_kwargs): + # docstring inherited + # Creates a filename for saving using basename and counter. + _validate_grabframe_kwargs(savefig_kwargs) + path = Path(self._base_temp_name() % self._frame_counter) + self._temp_paths.append(path) # Record the filename for later use. + self._frame_counter += 1 # Ensures each created name is unique. + _log.debug('FileMovieWriter.grab_frame: Grabbing frame %d to path=%s', + self._frame_counter, path) + with open(path, 'wb') as sink: # Save figure to the sink. + self.fig.savefig(sink, format=self.frame_format, dpi=self.dpi, + **savefig_kwargs) + + def finish(self): + # Call run here now that all frame grabbing is done. All temp files + # are available to be assembled. + try: + self._run() + super().finish() + finally: + if self._tmpdir: + _log.debug( + 'MovieWriter: clearing temporary path=%s', self._tmpdir + ) + self._tmpdir.cleanup() + + +@writers.register('pillow') +class PillowWriter(AbstractMovieWriter): + def _supports_transparency(self): + return True + + @classmethod + def isAvailable(cls): + return True + + def setup(self, fig, outfile, dpi=None): + super().setup(fig, outfile, dpi=dpi) + self._frames = [] + + def grab_frame(self, **savefig_kwargs): + _validate_grabframe_kwargs(savefig_kwargs) + buf = BytesIO() + self.fig.savefig( + buf, **{**savefig_kwargs, "format": "rgba", "dpi": self.dpi}) + im = Image.frombuffer( + "RGBA", self.frame_size, buf.getbuffer(), "raw", "RGBA", 0, 1) + if im.getextrema()[3][0] < 255: + # This frame has transparency, so we'll just add it as is. + self._frames.append(im) + else: + # Without transparency, we switch to RGB mode, which converts to P mode a + # little better if needed (specifically, this helps with GIF output.) + self._frames.append(im.convert("RGB")) + + def finish(self): + self._frames[0].save( + self.outfile, save_all=True, append_images=self._frames[1:], + duration=int(1000 / self.fps), loop=0) + + +# Base class of ffmpeg information. Has the config keys and the common set +# of arguments that controls the *output* side of things. +class FFMpegBase: + """ + Mixin class for FFMpeg output. + + This is a base class for the concrete `FFMpegWriter` and `FFMpegFileWriter` + classes. + """ + + _exec_key = 'animation.ffmpeg_path' + _args_key = 'animation.ffmpeg_args' + + def _supports_transparency(self): + suffix = Path(self.outfile).suffix + if suffix in {'.apng', '.avif', '.gif', '.webm', '.webp'}: + return True + # This list was found by going through `ffmpeg -codecs` for video encoders, + # running them with _support_transparency() forced to True, and checking that + # the "Pixel format" in Kdenlive included alpha. Note this is not a guarantee + # that transparency will work; you may also need to pass `-pix_fmt`, but we + # trust the user has done so if they are asking for these formats. + return self.codec in { + 'apng', 'avrp', 'bmp', 'cfhd', 'dpx', 'ffv1', 'ffvhuff', 'gif', 'huffyuv', + 'jpeg2000', 'ljpeg', 'png', 'prores', 'prores_aw', 'prores_ks', 'qtrle', + 'rawvideo', 'targa', 'tiff', 'utvideo', 'v408', } + + @property + def output_args(self): + args = [] + suffix = Path(self.outfile).suffix + if suffix in {'.apng', '.avif', '.gif', '.webm', '.webp'}: + self.codec = suffix[1:] + else: + args.extend(['-vcodec', self.codec]) + extra_args = (self.extra_args if self.extra_args is not None + else mpl.rcParams[self._args_key]) + # For h264, the default format is yuv444p, which is not compatible + # with quicktime (and others). Specifying yuv420p fixes playback on + # iOS, as well as HTML5 video in firefox and safari (on both Windows and + # macOS). Also fixes internet explorer. This is as of 2015/10/29. + if self.codec == 'h264' and '-pix_fmt' not in extra_args: + args.extend(['-pix_fmt', 'yuv420p']) + # For GIF, we're telling FFmpeg to split the video stream, to generate + # a palette, and then use it for encoding. + elif self.codec == 'gif' and '-filter_complex' not in extra_args: + args.extend(['-filter_complex', + 'split [a][b];[a] palettegen [p];[b][p] paletteuse']) + # For AVIF, we're telling FFmpeg to split the video stream, extract the alpha, + # in order to place it in a secondary stream, as needed by AVIF-in-FFmpeg. + elif self.codec == 'avif' and '-filter_complex' not in extra_args: + args.extend(['-filter_complex', + 'split [rgb][rgba]; [rgba] alphaextract [alpha]', + '-map', '[rgb]', '-map', '[alpha]']) + if self.bitrate > 0: + args.extend(['-b', '%dk' % self.bitrate]) # %dk: bitrate in kbps. + for k, v in self.metadata.items(): + args.extend(['-metadata', f'{k}={v}']) + args.extend(extra_args) + + return args + ['-y', self.outfile] + + +# Combine FFMpeg options with pipe-based writing +@writers.register('ffmpeg') +class FFMpegWriter(FFMpegBase, MovieWriter): + """ + Pipe-based ffmpeg writer. + + Frames are streamed directly to ffmpeg via a pipe and written in a single pass. + + This effectively works as a slideshow input to ffmpeg with the fps passed as + ``-framerate``, so see also `their notes on frame rates`_ for further details. + + .. _their notes on frame rates: https://trac.ffmpeg.org/wiki/Slideshow#Framerates + """ + def _args(self): + # Returns the command line parameters for subprocess to use + # ffmpeg to create a movie using a pipe. + args = [self.bin_path(), '-f', 'rawvideo', '-vcodec', 'rawvideo', + '-s', '%dx%d' % self.frame_size, '-pix_fmt', self.frame_format, + '-framerate', str(self.fps)] + # Logging is quieted because subprocess.PIPE has limited buffer size. + # If you have a lot of frames in your animation and set logging to + # DEBUG, you will have a buffer overrun. + if _log.getEffectiveLevel() > logging.DEBUG: + args += ['-loglevel', 'error'] + args += ['-i', 'pipe:'] + self.output_args + return args + + +# Combine FFMpeg options with temp file-based writing +@writers.register('ffmpeg_file') +class FFMpegFileWriter(FFMpegBase, FileMovieWriter): + """ + File-based ffmpeg writer. + + Frames are written to temporary files on disk and then stitched together at the end. + + This effectively works as a slideshow input to ffmpeg with the fps passed as + ``-framerate``, so see also `their notes on frame rates`_ for further details. + + .. _their notes on frame rates: https://trac.ffmpeg.org/wiki/Slideshow#Framerates + + Parameters + ---------- + *args, **kwargs + All arguments are forwarded to `FileMovieWriter`. See + `FileMovieWriter` for a list of all possible parameters. + """ + supported_formats = ['png', 'jpeg', 'tiff', 'raw', 'rgba'] + + def _args(self): + # Returns the command line parameters for subprocess to use + # ffmpeg to create a movie using a collection of temp images + args = [] + # For raw frames, we need to explicitly tell ffmpeg the metadata. + if self.frame_format in {'raw', 'rgba'}: + args += [ + '-f', 'image2', '-vcodec', 'rawvideo', + '-video_size', '%dx%d' % self.frame_size, + '-pixel_format', 'rgba', + ] + args += ['-framerate', str(self.fps), '-i', self._base_temp_name()] + if not self._tmpdir: + args += ['-frames:v', str(self._frame_counter)] + # Logging is quieted because subprocess.PIPE has limited buffer size. + # If you have a lot of frames in your animation and set logging to + # DEBUG, you will have a buffer overrun. + if _log.getEffectiveLevel() > logging.DEBUG: + args += ['-loglevel', 'error'] + return [self.bin_path(), *args, *self.output_args] + + +# Base class for animated GIFs with ImageMagick +class ImageMagickBase: + """ + Mixin class for ImageMagick output. + + This is a base class for the concrete `ImageMagickWriter` and + `ImageMagickFileWriter` classes, which define an ``input_names`` attribute + (or property) specifying the input names passed to ImageMagick. + """ + + _exec_key = 'animation.convert_path' + _args_key = 'animation.convert_args' + + def _supports_transparency(self): + suffix = Path(self.outfile).suffix + return suffix in {'.apng', '.avif', '.gif', '.webm', '.webp'} + + def _args(self): + # ImageMagick does not recognize "raw". + fmt = "rgba" if self.frame_format == "raw" else self.frame_format + extra_args = (self.extra_args if self.extra_args is not None + else mpl.rcParams[self._args_key]) + return [ + self.bin_path(), + "-size", "%ix%i" % self.frame_size, + "-depth", "8", + "-delay", str(100 / self.fps), + "-loop", "0", + f"{fmt}:{self.input_names}", + *extra_args, + self.outfile, + ] + + @classmethod + def bin_path(cls): + binpath = super().bin_path() + if binpath == 'convert': + binpath = mpl._get_executable_info('magick').executable + return binpath + + @classmethod + def isAvailable(cls): + try: + return super().isAvailable() + except mpl.ExecutableNotFoundError as _enf: + # May be raised by get_executable_info. + _log.debug('ImageMagick unavailable due to: %s', _enf) + return False + + +# Combine ImageMagick options with pipe-based writing +@writers.register('imagemagick') +class ImageMagickWriter(ImageMagickBase, MovieWriter): + """ + Pipe-based animated gif writer. + + Frames are streamed directly to ImageMagick via a pipe and written + in a single pass. + """ + + input_names = "-" # stdin + + +# Combine ImageMagick options with temp file-based writing +@writers.register('imagemagick_file') +class ImageMagickFileWriter(ImageMagickBase, FileMovieWriter): + """ + File-based animated gif writer. + + Frames are written to temporary files on disk and then stitched + together at the end. + """ + + supported_formats = ['png', 'jpeg', 'tiff', 'raw', 'rgba'] + input_names = property( + lambda self: f'{self.temp_prefix}*.{self.frame_format}') + + +# Taken directly from jakevdp's JSAnimation package at +# http://github.com/jakevdp/JSAnimation +def _included_frames(frame_count, frame_format, frame_dir): + return INCLUDED_FRAMES.format(Nframes=frame_count, + frame_dir=frame_dir, + frame_format=frame_format) + + +def _embedded_frames(frame_list, frame_format): + """frame_list should be a list of base64-encoded png files""" + if frame_format == 'svg': + # Fix MIME type for svg + frame_format = 'svg+xml' + template = ' frames[{0}] = "data:image/{1};base64,{2}"\n' + return "\n" + "".join( + template.format(i, frame_format, frame_data.replace('\n', '\\\n')) + for i, frame_data in enumerate(frame_list)) + + +@writers.register('html') +class HTMLWriter(FileMovieWriter): + """Writer for JavaScript-based HTML movies.""" + + supported_formats = ['png', 'jpeg', 'tiff', 'svg'] + + @classmethod + def isAvailable(cls): + return True + + def __init__(self, fps=30, codec=None, bitrate=None, extra_args=None, + metadata=None, embed_frames=False, default_mode='loop', + embed_limit=None): + + if extra_args: + _log.warning("HTMLWriter ignores 'extra_args'") + extra_args = () # Don't lookup nonexistent rcParam[args_key]. + self.embed_frames = embed_frames + self.default_mode = default_mode.lower() + _api.check_in_list(['loop', 'once', 'reflect'], + default_mode=self.default_mode) + + # Save embed limit, which is given in MB + self._bytes_limit = mpl._val_or_rc(embed_limit, 'animation.embed_limit') + # Convert from MB to bytes + self._bytes_limit *= 1024 * 1024 + + super().__init__(fps, codec, bitrate, extra_args, metadata) + + def setup(self, fig, outfile, dpi=None, frame_dir=None): + outfile = Path(outfile) + _api.check_in_list(['.html', '.htm'], outfile_extension=outfile.suffix) + + self._saved_frames = [] + self._total_bytes = 0 + self._hit_limit = False + + if not self.embed_frames: + if frame_dir is None: + frame_dir = outfile.with_name(outfile.stem + '_frames') + frame_dir.mkdir(parents=True, exist_ok=True) + frame_prefix = frame_dir / 'frame' + else: + frame_prefix = None + + super().setup(fig, outfile, dpi, frame_prefix) + self._clear_temp = False + + def grab_frame(self, **savefig_kwargs): + _validate_grabframe_kwargs(savefig_kwargs) + if self.embed_frames: + # Just stop processing if we hit the limit + if self._hit_limit: + return + f = BytesIO() + self.fig.savefig(f, format=self.frame_format, + dpi=self.dpi, **savefig_kwargs) + imgdata64 = base64.encodebytes(f.getvalue()).decode('ascii') + self._total_bytes += len(imgdata64) + if self._total_bytes >= self._bytes_limit: + _log.warning( + "Animation size has reached %s bytes, exceeding the limit " + "of %s. If you're sure you want a larger animation " + "embedded, set the animation.embed_limit rc parameter to " + "a larger value (in MB). This and further frames will be " + "dropped.", self._total_bytes, self._bytes_limit) + self._hit_limit = True + else: + self._saved_frames.append(imgdata64) + else: + return super().grab_frame(**savefig_kwargs) + + def finish(self): + # save the frames to an html file + if self.embed_frames: + fill_frames = _embedded_frames(self._saved_frames, + self.frame_format) + frame_count = len(self._saved_frames) + else: + # temp names is filled by FileMovieWriter + frame_count = len(self._temp_paths) + fill_frames = _included_frames( + frame_count, self.frame_format, + self._temp_paths[0].parent.relative_to(self.outfile.parent)) + mode_dict = dict(once_checked='', + loop_checked='', + reflect_checked='') + mode_dict[self.default_mode + '_checked'] = 'checked' + + interval = 1000 // self.fps + + with open(self.outfile, 'w') as of: + of.write(JS_INCLUDE + STYLE_INCLUDE) + of.write(DISPLAY_TEMPLATE.format(id=uuid.uuid4().hex, + Nframes=frame_count, + fill_frames=fill_frames, + interval=interval, + **mode_dict)) + + # Duplicate the temporary file clean up logic from + # FileMovieWriter.finish. We cannot call the inherited version of + # finish because it assumes that there is a subprocess that we either + # need to call to merge many frames together or that there is a + # subprocess call that we need to clean up. + if self._tmpdir: + _log.debug('MovieWriter: clearing temporary path=%s', self._tmpdir) + self._tmpdir.cleanup() + + +class Animation: + """ + Abstract base class for Animations. + + .. note:: + + You must store the created Animation in a variable that lives as long + as the animation should run. Otherwise, the Animation object will be + garbage-collected and the animation stops. + + Parameters + ---------- + fig : `~matplotlib.figure.Figure` + The figure object used to get needed events, such as draw or resize. + + event_source : object + A class that can run a callback when desired events + are generated, as well as be stopped and started. + + Examples include timers (see `TimedAnimation`) and file + system notifications. + + blit : bool, default: False + Whether blitting is used to optimize drawing. If the backend does not + support blitting, then this parameter has no effect. + + See Also + -------- + FuncAnimation, ArtistAnimation + """ + + def __init__(self, fig, event_source, blit=False): + self._draw_was_started = False + + self._fig = fig + # Disables blitting for backends that don't support it. This + # allows users to request it if available, but still have a + # fallback that works if it is not. + self._blit = blit and fig.canvas.supports_blit + + # These are the basics of the animation. The frame sequence represents + # information for each frame of the animation and depends on how the + # drawing is handled by the subclasses. The event source fires events + # that cause the frame sequence to be iterated. + self.frame_seq = self.new_frame_seq() + self.event_source = event_source + self.event_source.add_callback(self._step) + + # Instead of starting the event source now, we connect to the figure's + # draw_event, so that we only start once the figure has been drawn. + self._first_draw_id = fig.canvas.mpl_connect('draw_event', self._start) + + # Connect to the figure's close_event so that we don't continue to + # fire events and try to draw to a deleted figure. + self._close_id = self._fig.canvas.mpl_connect('close_event', + self._stop) + if self._blit: + self._setup_blit() + + def __del__(self): + if not getattr(self, '_draw_was_started', True): + warnings.warn( + 'Animation was deleted without rendering anything. This is ' + 'most likely not intended. To prevent deletion, assign the ' + 'Animation to a variable, e.g. `anim`, that exists until you ' + 'output the Animation using `plt.show()` or ' + '`anim.save()`.' + ) + + def _start(self, *args): + """ + Starts interactive animation. Adds the draw frame command to the GUI + handler, calls show to start the event loop. + """ + # Do not start the event source if saving() it. + if self._fig.canvas.is_saving(): + return + # First disconnect our draw event handler + self._fig.canvas.mpl_disconnect(self._first_draw_id) + # Now do any initial draw + self._init_draw() + # Actually start the event_source. + self.event_source.start() + + def _stop(self, *args): + # On stop we disconnect all of our events. + if self._blit: + self._fig.canvas.mpl_disconnect(self._resize_id) + self._fig.canvas.mpl_disconnect(self._close_id) + self.event_source.remove_callback(self._step) + self.event_source = None + + def save(self, filename, writer=None, fps=None, dpi=None, codec=None, + bitrate=None, extra_args=None, metadata=None, extra_anim=None, + savefig_kwargs=None, *, progress_callback=None): + """ + Save the animation as a movie file by drawing every frame. + + Parameters + ---------- + filename : str + The output filename, e.g., :file:`mymovie.mp4`. + + writer : `AbstractMovieWriter` subclass or str, default: :rc:`animation.writer` + The writer used to grab the frames and create the movie file. + This can be an instance of an `AbstractMovieWriter` subclass or a + string. The builtin writers are + + ================== ============================== + str class + ================== ============================== + 'ffmpeg' `.FFMpegWriter` + 'ffmpeg_file' `.FFMpegFileWriter` + 'imagemagick' `.ImageMagickWriter` + 'imagemagick_file' `.ImageMagickFileWriter` + 'pillow' `.PillowWriter` + 'html' `.HTMLWriter` + ================== ============================== + + fps : int, optional + Movie frame rate (per second). If not set, the frame rate from the + animation's frame interval. + + dpi : float, default: :rc:`savefig.dpi` + Controls the dots per inch for the movie frames. Together with + the figure's size in inches, this controls the size of the movie. + + codec : str, default: :rc:`animation.codec`. + The video codec to use. Not all codecs are supported by a given + `MovieWriter`. + + bitrate : int, default: :rc:`animation.bitrate` + The bitrate of the movie, in kilobits per second. Higher values + means higher quality movies, but increase the file size. A value + of -1 lets the underlying movie encoder select the bitrate. + + extra_args : list of str or None, optional + Extra command-line arguments passed to the underlying movie encoder. These + arguments are passed last to the encoder, just before the output filename. + The default, None, means to use :rc:`animation.[name-of-encoder]_args` for + the builtin writers. + + metadata : dict[str, str], default: {} + Dictionary of keys and values for metadata to include in + the output file. Some keys that may be of use include: + title, artist, genre, subject, copyright, srcform, comment. + + extra_anim : list, default: [] + Additional `Animation` objects that should be included + in the saved movie file. These need to be from the same + `.Figure` instance. Also, animation frames will + just be simply combined, so there should be a 1:1 correspondence + between the frames from the different animations. + + savefig_kwargs : dict, default: {} + Keyword arguments passed to each `~.Figure.savefig` call used to + save the individual frames. + + progress_callback : function, optional + A callback function that will be called for every frame to notify + the saving progress. It must have the signature :: + + def func(current_frame: int, total_frames: int) -> Any + + where *current_frame* is the current frame number and *total_frames* is the + total number of frames to be saved. *total_frames* is set to None, if the + total number of frames cannot be determined. Return values may exist but are + ignored. + + Example code to write the progress to stdout:: + + progress_callback = lambda i, n: print(f'Saving frame {i}/{n}') + + Notes + ----- + *fps*, *codec*, *bitrate*, *extra_args* and *metadata* are used to + construct a `.MovieWriter` instance and can only be passed if + *writer* is a string. If they are passed as non-*None* and *writer* + is a `.MovieWriter`, a `RuntimeError` will be raised. + """ + + all_anim = [self] + if extra_anim is not None: + all_anim.extend(anim for anim in extra_anim + if anim._fig is self._fig) + + # Disable "Animation was deleted without rendering" warning. + for anim in all_anim: + anim._draw_was_started = True + + if writer is None: + writer = mpl.rcParams['animation.writer'] + elif (not isinstance(writer, str) and + any(arg is not None + for arg in (fps, codec, bitrate, extra_args, metadata))): + raise RuntimeError('Passing in values for arguments ' + 'fps, codec, bitrate, extra_args, or metadata ' + 'is not supported when writer is an existing ' + 'MovieWriter instance. These should instead be ' + 'passed as arguments when creating the ' + 'MovieWriter instance.') + + if savefig_kwargs is None: + savefig_kwargs = {} + else: + # we are going to mutate this below + savefig_kwargs = dict(savefig_kwargs) + + if fps is None and hasattr(self, '_interval'): + # Convert interval in ms to frames per second + fps = 1000. / self._interval + + # Reuse the savefig DPI for ours if none is given. + dpi = mpl._val_or_rc(dpi, 'savefig.dpi') + if dpi == 'figure': + dpi = self._fig.dpi + + writer_kwargs = {} + if codec is not None: + writer_kwargs['codec'] = codec + if bitrate is not None: + writer_kwargs['bitrate'] = bitrate + if extra_args is not None: + writer_kwargs['extra_args'] = extra_args + if metadata is not None: + writer_kwargs['metadata'] = metadata + + # If we have the name of a writer, instantiate an instance of the + # registered class. + if isinstance(writer, str): + try: + writer_cls = writers[writer] + except RuntimeError: # Raised if not available. + writer_cls = PillowWriter # Always available. + _log.warning("MovieWriter %s unavailable; using Pillow " + "instead.", writer) + writer = writer_cls(fps, **writer_kwargs) + _log.info('Animation.save using %s', type(writer)) + + if 'bbox_inches' in savefig_kwargs: + _log.warning("Warning: discarding the 'bbox_inches' argument in " + "'savefig_kwargs' as it may cause frame size " + "to vary, which is inappropriate for animation.") + savefig_kwargs.pop('bbox_inches') + + # Create a new sequence of frames for saved data. This is different + # from new_frame_seq() to give the ability to save 'live' generated + # frame information to be saved later. + # TODO: Right now, after closing the figure, saving a movie won't work + # since GUI widgets are gone. Either need to remove extra code to + # allow for this non-existent use case or find a way to make it work. + + def _pre_composite_to_white(color): + r, g, b, a = mcolors.to_rgba(color) + return a * np.array([r, g, b]) + 1 - a + + # canvas._is_saving = True makes the draw_event animation-starting + # callback a no-op; canvas.manager = None prevents resizing the GUI + # widget (both are likewise done in savefig()). + with (writer.saving(self._fig, filename, dpi), + cbook._setattr_cm(self._fig.canvas, _is_saving=True, manager=None)): + if not writer._supports_transparency(): + facecolor = savefig_kwargs.get('facecolor', + mpl.rcParams['savefig.facecolor']) + if facecolor == 'auto': + facecolor = self._fig.get_facecolor() + savefig_kwargs['facecolor'] = _pre_composite_to_white(facecolor) + savefig_kwargs['transparent'] = False # just to be safe! + + for anim in all_anim: + anim._init_draw() # Clear the initial frame + frame_number = 0 + # TODO: Currently only FuncAnimation has a save_count + # attribute. Can we generalize this to all Animations? + save_count_list = [getattr(a, '_save_count', None) + for a in all_anim] + if None in save_count_list: + total_frames = None + else: + total_frames = sum(save_count_list) + for data in zip(*[a.new_saved_frame_seq() for a in all_anim]): + for anim, d in zip(all_anim, data): + # TODO: See if turning off blit is really necessary + anim._draw_next_frame(d, blit=False) + if progress_callback is not None: + progress_callback(frame_number, total_frames) + frame_number += 1 + writer.grab_frame(**savefig_kwargs) + + def _step(self, *args): + """ + Handler for getting events. By default, gets the next frame in the + sequence and hands the data off to be drawn. + """ + # Returns True to indicate that the event source should continue to + # call _step, until the frame sequence reaches the end of iteration, + # at which point False will be returned. + try: + framedata = next(self.frame_seq) + self._draw_next_frame(framedata, self._blit) + return True + except StopIteration: + return False + + def new_frame_seq(self): + """Return a new sequence of frame information.""" + # Default implementation is just an iterator over self._framedata + return iter(self._framedata) + + def new_saved_frame_seq(self): + """Return a new sequence of saved/cached frame information.""" + # Default is the same as the regular frame sequence + return self.new_frame_seq() + + def _draw_next_frame(self, framedata, blit): + # Breaks down the drawing of the next frame into steps of pre- and + # post- draw, as well as the drawing of the frame itself. + self._pre_draw(framedata, blit) + self._draw_frame(framedata) + self._post_draw(framedata, blit) + + def _init_draw(self): + # Initial draw to clear the frame. Also used by the blitting code + # when a clean base is required. + self._draw_was_started = True + + def _pre_draw(self, framedata, blit): + # Perform any cleaning or whatnot before the drawing of the frame. + # This default implementation allows blit to clear the frame. + if blit: + self._blit_clear(self._drawn_artists) + + def _draw_frame(self, framedata): + # Performs actual drawing of the frame. + raise NotImplementedError('Needs to be implemented by subclasses to' + ' actually make an animation.') + + def _post_draw(self, framedata, blit): + # After the frame is rendered, this handles the actual flushing of + # the draw, which can be a direct draw_idle() or make use of the + # blitting. + if blit and self._drawn_artists: + self._blit_draw(self._drawn_artists) + else: + self._fig.canvas.draw_idle() + + # The rest of the code in this class is to facilitate easy blitting + def _blit_draw(self, artists): + # Handles blitted drawing, which renders only the artists given instead + # of the entire figure. + updated_ax = {a.axes for a in artists} + # Enumerate artists to cache Axes backgrounds. We do not draw + # artists yet to not cache foreground from plots with shared Axes + for ax in updated_ax: + # If we haven't cached the background for the current view of this + # Axes object, do so now. This might not always be reliable, but + # it's an attempt to automate the process. + cur_view = ax._get_view() + view, bg = self._blit_cache.get(ax, (object(), None)) + if cur_view != view: + self._blit_cache[ax] = ( + cur_view, ax.figure.canvas.copy_from_bbox(ax.bbox)) + # Make a separate pass to draw foreground. + for a in artists: + a.axes.draw_artist(a) + # After rendering all the needed artists, blit each Axes individually. + for ax in updated_ax: + ax.figure.canvas.blit(ax.bbox) + + def _blit_clear(self, artists): + # Get a list of the Axes that need clearing from the artists that + # have been drawn. Grab the appropriate saved background from the + # cache and restore. + axes = {a.axes for a in artists} + for ax in axes: + try: + view, bg = self._blit_cache[ax] + except KeyError: + continue + if ax._get_view() == view: + ax.figure.canvas.restore_region(bg) + else: + self._blit_cache.pop(ax) + + def _setup_blit(self): + # Setting up the blit requires: a cache of the background for the Axes + self._blit_cache = dict() + self._drawn_artists = [] + # _post_draw needs to be called first to initialize the renderer + self._post_draw(None, self._blit) + # Then we need to clear the Frame for the initial draw + # This is typically handled in _on_resize because QT and Tk + # emit a resize event on launch, but the macosx backend does not, + # thus we force it here for everyone for consistency + self._init_draw() + # Connect to future resize events + self._resize_id = self._fig.canvas.mpl_connect('resize_event', + self._on_resize) + + def _on_resize(self, event): + # On resize, we need to disable the resize event handling so we don't + # get too many events. Also stop the animation events, so that + # we're paused. Reset the cache and re-init. Set up an event handler + # to catch once the draw has actually taken place. + self._fig.canvas.mpl_disconnect(self._resize_id) + self.event_source.stop() + self._blit_cache.clear() + self._init_draw() + self._resize_id = self._fig.canvas.mpl_connect('draw_event', + self._end_redraw) + + def _end_redraw(self, event): + # Now that the redraw has happened, do the post draw flushing and + # blit handling. Then re-enable all of the original events. + self._post_draw(None, False) + self.event_source.start() + self._fig.canvas.mpl_disconnect(self._resize_id) + self._resize_id = self._fig.canvas.mpl_connect('resize_event', + self._on_resize) + + def to_html5_video(self, embed_limit=None): + """ + Convert the animation to an HTML5 ``