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def walk(self, basedir): """Walk all the directories of basedir except hidden directories :param basedir: string, the directory to walk :returns: generator, same as os.walk """ system_d = SitePackagesDir() filter_system_d = system_d and os.path.commonprefix([system_d, ba...
def paths(self): ''' given a basedir, yield all test modules paths recursively found in basedir that are test modules return -- generator ''' module_name = getattr(self, 'module_name', '') module_prefix = getattr(self, 'prefix', '') filepath = getattr(sel...
def module_path(self, filepath): """given a filepath like /base/path/to/module.py this will convert it to path.to.module so it can be imported""" possible_modbits = re.split('[\\/]', filepath.strip('\\/')) basename = possible_modbits[-1] prefixes = possible_modbits[0:-1] ...
def remove(self, auto_confirm=False): """Remove paths in ``self.paths`` with confirmation (unless ``auto_confirm`` is True).""" if not self._can_uninstall(): return if not self.paths: logger.info( "Can't uninstall '%s'. No files were found to unins...
def rollback(self): """Rollback the changes previously made by remove().""" if self.save_dir is None: logger.error( "Can't roll back %s; was not uninstalled", self.dist.project_name, ) return False logger.info('Rolling back unin...
def commit(self): """Remove temporary save dir: rollback will no longer be possible.""" if self.save_dir is not None: rmtree(self.save_dir) self.save_dir = None self._moved_paths = []
def _dump_arg_defaults(kwargs): """Inject default arguments for dump functions.""" if current_app: kwargs.setdefault('cls', current_app.json_encoder) if not current_app.config['JSON_AS_ASCII']: kwargs.setdefault('ensure_ascii', False) kwargs.setdefault('sort_keys', current_ap...
def _load_arg_defaults(kwargs): """Inject default arguments for load functions.""" if current_app: kwargs.setdefault('cls', current_app.json_decoder) else: kwargs.setdefault('cls', JSONDecoder)
def dumps(obj, **kwargs): """Serialize ``obj`` to a JSON formatted ``str`` by using the application's configured encoder (:attr:`~flask.Flask.json_encoder`) if there is an application on the stack. This function can return ``unicode`` strings or ascii-only bytestrings by default which coerce into u...
def dump(obj, fp, **kwargs): """Like :func:`dumps` but writes into a file object.""" _dump_arg_defaults(kwargs) encoding = kwargs.pop('encoding', None) if encoding is not None: fp = _wrap_writer_for_text(fp, encoding) _json.dump(obj, fp, **kwargs)
def loads(s, **kwargs): """Unserialize a JSON object from a string ``s`` by using the application's configured decoder (:attr:`~flask.Flask.json_decoder`) if there is an application on the stack. """ _load_arg_defaults(kwargs) if isinstance(s, bytes): s = s.decode(kwargs.pop('encoding', ...
def load(fp, **kwargs): """Like :func:`loads` but reads from a file object. """ _load_arg_defaults(kwargs) if not PY2: fp = _wrap_reader_for_text(fp, kwargs.pop('encoding', None) or 'utf-8') return _json.load(fp, **kwargs)
def htmlsafe_dumps(obj, **kwargs): """Works exactly like :func:`dumps` but is safe for use in ``<script>`` tags. It accepts the same arguments and returns a JSON string. Note that this is available in templates through the ``|tojson`` filter which will also mark the result as safe. Due to how this fu...
def htmlsafe_dump(obj, fp, **kwargs): """Like :func:`htmlsafe_dumps` but writes into a file object.""" fp.write(unicode(htmlsafe_dumps(obj, **kwargs)))
def jsonify(*args, **kwargs): """Creates a :class:`~flask.Response` with the JSON representation of the given arguments with an `application/json` mimetype. The arguments to this function are the same as to the :class:`dict` constructor. Example usage:: from flask import jsonify @app...
def default(self, o): """Implement this method in a subclass such that it returns a serializable object for ``o``, or calls the base implementation (to raise a ``TypeError``). For example, to support arbitrary iterators, you could implement default like this:: def d...
def escape(s): """Convert the characters &, <, >, ' and " in string s to HTML-safe sequences. Use this if you need to display text that might contain such characters in HTML. Marks return value as markup string. """ if hasattr(s, '__html__'): return s.__html__() return Markup(text_type...
def set_many(self, mapping, timeout=None): """Sets multiple keys and values from a mapping. :param mapping: a mapping with the keys/values to set. :param timeout: the cache timeout for the key (if not specified, it uses the default timeout). :returns: Whether all...
def inc(self, key, delta=1): """Increments the value of a key by `delta`. If the key does not yet exist it is initialized with `delta`. For supporting caches this is an atomic operation. :param key: the key to increment. :param delta: the delta to add. :returns: The ne...
def dump_object(self, value): """Dumps an object into a string for redis. By default it serializes integers as regular string and pickle dumps everything else. """ t = type(value) if t in integer_types: return str(value).encode('ascii') return b'!' + pickle.d...
def load_object(self, value): """The reversal of :meth:`dump_object`. This might be callde with None. """ if value is None: return None if value.startswith(b'!'): try: return pickle.loads(value[1:]) except pickle.PickleError: ...
def _strip_postfix(req): """ Strip req postfix ( -dev, 0.2, etc ) """ # FIXME: use package_to_requirement? match = re.search(r'^(.*?)(?:-dev|-\d.*)$', req) if match: # Strip off -dev, -0.2, etc. req = match.group(1) return req
def _build_editable_options(req): """ This method generates a dictionary of the query string parameters contained in a given editable URL. """ regexp = re.compile(r"[\?#&](?P<name>[^&=]+)=(?P<value>[^&=]+)") matched = regexp.findall(req) if matched: ret = dict() for...
def parse_editable(editable_req, default_vcs=None): """Parses an editable requirement into: - a requirement name - an URL - extras - editable options Accepted requirements: svn+http://blahblah@rev#egg=Foobar[baz]&subdirectory=version_subdir .[some_extra] """ ...
def from_line( cls, name, comes_from=None, isolated=False, options=None, wheel_cache=None): """Creates an InstallRequirement from a name, which might be a requirement, directory containing 'setup.py', filename, or URL. """ from pip.index import Link if is...
def populate_link(self, finder, upgrade): """Ensure that if a link can be found for this, that it is found. Note that self.link may still be None - if Upgrade is False and the requirement is already installed. """ if self.link is None: self.link = finder.find_require...
def _correct_build_location(self): """Move self._temp_build_dir to self._ideal_build_dir/self.req.name For some requirements (e.g. a path to a directory), the name of the package is not available until we run egg_info, so the build_location will return a temporary directory and store th...
def ensure_has_source_dir(self, parent_dir): """Ensure that a source_dir is set. This will create a temporary build dir if the name of the requirement isn't known yet. :param parent_dir: The ideal pip parent_dir for the source_dir. Generally src_dir for editables and build_...
def remove_temporary_source(self): """Remove the source files from this requirement, if they are marked for deletion""" if self.source_dir and os.path.exists( os.path.join(self.source_dir, PIP_DELETE_MARKER_FILENAME)): logger.debug('Removing source in %s', self.source...
def get_dist(self): """Return a pkg_resources.Distribution built from self.egg_info_path""" egg_info = self.egg_info_path('').rstrip('/') base_dir = os.path.dirname(egg_info) metadata = pkg_resources.PathMetadata(base_dir, egg_info) dist_name = os.path.splitext(os.path.basename(e...
def parse_info(wininfo_name, egginfo_name): """Extract metadata from filenames. Extracts the 4 metadataitems needed (name, version, pyversion, arch) from the installer filename and the name of the egg-info directory embedded in the zipfile (if any). The egginfo filename has the format:: ...
def is_internal_attribute(obj, attr): """Test if the attribute given is an internal python attribute. For example this function returns `True` for the `func_code` attribute of python objects. This is useful if the environment method :meth:`~SandboxedEnvironment.is_safe_attribute` is overridden. >...
def _get_stream_for_parsing(self): """This is the same as accessing :attr:`stream` with the difference that if it finds cached data from calling :meth:`get_data` first it will create a new stream out of the cached data. .. versionadded:: 0.9.3 """ cached_data = getattr(s...
def get_data(self, cache=True, as_text=False, parse_form_data=False): """This reads the buffered incoming data from the client into one bytestring. By default this is cached but that behavior can be changed by setting `cache` to `False`. Usually it's a bad idea to call this method with...
def get_wsgi_headers(self, environ): """This is automatically called right before the response is started and returns headers modified for the given environment. It returns a copy of the headers from the response with some modifications applied if necessary. For example the loc...
def url_fix(s, charset='utf-8'): r"""Sometimes you get an URL by a user that just isn't a real URL because it contains unsafe characters like ' ' and so on. This function can fix some of the problems in a similar way browsers handle data entered by the user: >>> url_fix(u'http://de.wikipedia.org/wi...
def iri_to_uri(iri, charset='utf-8', errors='strict', safe_conversion=False): r""" Converts any unicode based IRI to an acceptable ASCII URI. Werkzeug always uses utf-8 URLs internally because this is what browsers and HTTP do as well. In some places where it accepts an URL it also accepts a unicode IRI...
def user_cache_dir(appname): r""" Return full path to the user-specific cache dir for this application. "appname" is the name of application. Typical user cache directories are: Mac OS X: ~/Library/Caches/<AppName> Unix: ~/.cache/<AppName> (XDG default) Windows: ...
def user_data_dir(appname, roaming=False): """ Return full path to the user-specific data dir for this application. "appname" is the name of application. If None, just the system directory is returned. "roaming" (boolean, default False) can be set True to use the Windows ...
def user_log_dir(appname): """ Return full path to the user-specific log dir for this application. "appname" is the name of application. If None, just the system directory is returned. Typical user cache directories are: Mac OS X: ~/Library/Logs/<AppName> Unix: ...
def user_config_dir(appname, roaming=True): """Return full path to the user-specific config dir for this application. "appname" is the name of application. If None, just the system directory is returned. "roaming" (boolean, default True) can be set False to not use the Windo...
def site_config_dirs(appname): """Return a list of potential user-shared config dirs for this application. "appname" is the name of application. Typical user config directories are: Mac OS X: /Library/Application Support/<AppName>/ Unix: /etc or $XDG_CONFIG_DIRS[i]/<AppName>/ f...
def _iter_module_files(): """This iterates over all relevant Python files. It goes through all loaded files from modules, all files in folders of already loaded modules as well as all files reachable through a package. """ # The list call is necessary on Python 3 in case the module # dictionary...
def restart_with_reloader(self): """Spawn a new Python interpreter with the same arguments as this one, but running the reloader thread. """ while 1: _log('info', ' * Restarting with %s' % self.name) args = [sys.executable] + sys.argv new_environ = os....
def to_text(s, blank_if_none=True): """Wrapper around six.text_type to convert None to empty string""" if s is None: if blank_if_none: return "" else: return None elif isinstance(s, text_type): return s else: return text_type(s)
def find_ca_bundle(): """Return an existing CA bundle path, or None""" if os.name=='nt': return get_win_certfile() else: for cert_path in cert_paths: if os.path.isfile(cert_path): return cert_path try: return pkg_resources.resource_filename('certifi', ...
def parse(doc, treebuilder="etree", encoding=None, namespaceHTMLElements=True): """Parse a string or file-like object into a tree""" tb = treebuilders.getTreeBuilder(treebuilder) p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements) return p.parse(doc, encoding=encoding)
def parse(self, stream, encoding=None, parseMeta=True, useChardet=True): """Parse a HTML document into a well-formed tree stream - a filelike object or string containing the HTML to be parsed The optional encoding parameter must be a string that indicates the encoding. If specified, t...
def parseFragment(self, stream, container="div", encoding=None, parseMeta=False, useChardet=True): """Parse a HTML fragment into a well-formed tree fragment container - name of the element we're setting the innerHTML property if set to None, default to 'div' strea...
def parseRCDataRawtext(self, token, contentType): """Generic RCDATA/RAWTEXT Parsing algorithm contentType - RCDATA or RAWTEXT """ assert contentType in ("RAWTEXT", "RCDATA") self.tree.insertElement(token) if contentType == "RAWTEXT": self.tokenizer.state = s...
def translate(self, word): """ pass in a word string that you would like to see probable matches for. """ if (word not in self.transmissions): raise NoMatchError('no matches found') else: trans = self.transmissions[word] # print out a s...
def convertArgsToTokens(self, data): """ this converts the readin lines from sys to useable format, returns list of token and dict of tokens """ tdict = [] tokens = [] d = open(data, 'r') for line in d.readlines(): tdict.append(line.r...
def initTef(self): ''' get all probable matches and then initialize t(f|e) ''' probs = {} transmissions = {} # go through each german word for word in self.en_words: word_poss = [] # if word in sentence.. then for sent...
def iterateEM(self, count): ''' Iterate through all transmissions of english to foreign words. keep count of repeated occurences do until convergence set count(e|f) to 0 for all e,f set total(f) to 0 for all f for all sentence pairs (e_s,f_s) ...
def bind(self): """Bind and activate HTTP server.""" HTTPServer.__init__(self, (self.host, self.port), HTTPRequestHandler) self.port = self.server_port
def report(self): """Report startup info to stdout.""" print( self.report_message.format( service=self.service, host=self.host, port=self.port, ) ) sys.stdout.flush()
def make_ssl_devcert(base_path, host=None, cn=None): """Creates an SSL key for development. This should be used instead of the ``'adhoc'`` key which generates a new cert on each server start. It accepts a path for where it should store the key and cert and either a host or CN. If a host is given it wi...
def load_bytecode(self, f): """Loads bytecode from a file or file like object.""" # make sure the magic header is correct magic = f.read(len(bc_magic)) if magic != bc_magic: self.reset() return # the source code of the file changed, we need to reload ...
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 con...
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 kw...
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. """ sc...
def get_backend_name(self, location): """ Return the name of the version control backend if found at given location, e.g. vcs.get_backend_name('/path/to/vcs/checkout') """ for vc_type in self._registry.values(): logger.debug('Checking in %s for %s (%s)...', ...
def _is_local_repository(self, repo): """ posix absolute paths start with os.path.sep, win32 ones ones start with drive (like c:\\folder) """ drive, tail = os.path.splitdrive(repo) return repo.startswith(os.path.sep) or drive
def get_info(self, location): """ Returns (url, revision), where both are strings """ assert not location.rstrip('/').endswith(self.dirname), \ 'Bad directory: %s' % location return self.get_url(location), self.get_revision(location)
def unpack(self, location): """ Clean up current location and download the url repository (and vcs infos) into location """ if os.path.exists(location): rmtree(location) self.obtain(location)
def run_command(self, cmd, show_stdout=True, cwd=None, raise_on_returncode=True, command_level=logging.DEBUG, command_desc=None, extra_environ=None): """ Run a VCS subcommand This is simply a wrapper around call_subprocess that adds the...
def get_impl_ver(): """Return implementation version.""" impl_ver = sysconfig.get_config_var("py_version_nodot") if not impl_ver: impl_ver = ''.join(map(str, sys.version_info[:2])) return impl_ver
def get_supported(versions=None): """Return a list of supported tags for each version specified in `versions`. :param versions: a list of string versions, of the form ["33", "32"], or None. The first version will be assumed to support our ABI. """ supported = [] # Versions must be...
def get_host(environ, trusted_hosts=None): """Return the real host for the given WSGI environment. This first checks the `X-Forwarded-Host` header, then the normal `Host` header, and finally the `SERVER_NAME` environment variable (using the first one it finds). Optionally it verifies that the host is ...
def distros_for_location(location, basename, metadata=None): """Yield egg or source distribution objects based on basename""" if basename.endswith('.egg.zip'): basename = basename[:-4] # strip the .zip if basename.endswith('.egg') and '-' in basename: # only one, unambiguous interpretatio...
def find_external_links(url, page): """Find rel="homepage" and rel="download" links in `page`, yielding URLs""" for match in REL.finditer(page): tag, rel = match.groups() rels = set(map(str.strip, rel.lower().split(','))) if 'homepage' in rels or 'download' in rels: for matc...
def _encode_auth(auth): """ A function compatible with Python 2.3-3.3 that will encode auth from a URL suitable for an HTTP header. >>> str(_encode_auth('username%3Apassword')) 'dXNlcm5hbWU6cGFzc3dvcmQ=' Long auth strings should not cause a newline to be inserted. >>> long_auth = 'username:...
def local_open(url): """Read a local path, with special support for directories""" scheme, server, path, param, query, frag = urlparse(url) filename = url2pathname(path) if os.path.isfile(filename): return urllib2.urlopen(url) elif path.endswith('/') and os.path.isdir(filename): file...
def from_url(cls, url): "Construct a (possibly null) ContentChecker from a URL" fragment = urlparse(url)[-1] if not fragment: return ContentChecker() match = cls.pattern.search(fragment) if not match: return ContentChecker() return cls(**match.grou...
def process_url(self, url, retrieve=False): """Evaluate a URL as a possible download, and maybe retrieve it""" if url in self.scanned_urls and not retrieve: return self.scanned_urls[url] = True if not URL_SCHEME(url): self.process_filename(url) return ...
def get_supported(versions=None, noarch=False): """Return a list of supported tags for each version specified in `versions`. :param versions: a list of string versions, of the form ["33", "32"], or None. The first version will be assumed to support our ABI. """ supported = [] # Version...
def removeduppaths(): """ Remove duplicate entries from sys.path along with making them absolute""" # This ensures that the initial path provided by the interpreter contains # only absolute pathnames, even if we're running from the build directory. L = [] known_paths = set() for dir in sys.p...
def addbuilddir(): """Append ./build/lib.<platform> in case we're running in the build dir (especially for Guido :-)""" from distutils.util import get_platform s = "build/lib.%s-%.3s" % (get_platform(), sys.version) if hasattr(sys, 'gettotalrefcount'): s += '-pydebug' s = os.path.join(os...
def _init_pathinfo(): """Return a set containing all existing directory entries from sys.path""" d = set() for dir in sys.path: try: if os.path.isdir(dir): dir, dircase = makepath(dir) d.add(dircase) except TypeError: continue retur...
def addpackage(sitedir, name, known_paths): """Add a new path to known_paths by combining sitedir and 'name' or execute sitedir if it starts with 'import'""" if known_paths is None: _init_pathinfo() reset = 1 else: reset = 0 fullname = os.path.join(sitedir, name) try: ...
def addsitedir(sitedir, known_paths=None): """Add 'sitedir' argument to sys.path if missing and handle .pth files in 'sitedir'""" if known_paths is None: known_paths = _init_pathinfo() reset = 1 else: reset = 0 sitedir, sitedircase = makepath(sitedir) if not sitedircase i...
def addsitepackages(known_paths, sys_prefix=sys.prefix, exec_prefix=sys.exec_prefix): """Add site-packages (and possibly site-python) to sys.path""" prefixes = [os.path.join(sys_prefix, "local"), sys_prefix] if exec_prefix != sys_prefix: prefixes.append(os.path.join(exec_prefix, "local")) for p...
def check_enableusersite(): """Check if user site directory is safe for inclusion The function tests for the command line flag (including environment var), process uid/gid equal to effective uid/gid. None: Disabled for security reasons False: Disabled by user (command line option) True: Safe a...
def addusersitepackages(known_paths): """Add a per user site-package to sys.path Each user has its own python directory with site-packages in the home directory. USER_BASE is the root directory for all Python versions USER_SITE is the user specific site-packages directory USER_SITE/.. can be...
def setBEGINLIBPATH(): """The OS/2 EMX port has optional extension modules that do double duty as DLLs (and must use the .DLL file extension) for other extensions. The library search path needs to be amended so these will be found during module import. Use BEGINLIBPATH so that these are at the start ...
def setquit(): """Define new built-ins 'quit' and 'exit'. These are simply strings that display a hint on how to exit. """ if os.sep == ':': eof = 'Cmd-Q' elif os.sep == '\\': eof = 'Ctrl-Z plus Return' else: eof = 'Ctrl-D (i.e. EOF)' class Quitter(object): ...
def setcopyright(): """Set 'copyright' and 'credits' in __builtin__""" builtins.copyright = _Printer("copyright", sys.copyright) if _is_jython: builtins.credits = _Printer( "credits", "Jython is maintained by the Jython developers (www.jython.org).") elif _is_pypy: ...
def aliasmbcs(): """On Windows, some default encodings are not provided by Python, while they are always available as "mbcs" in each locale. Make them usable by aliasing to "mbcs" in such a case.""" if sys.platform == 'win32': import locale, codecs enc = locale.getdefaultlocale()[1] ...
def setencoding(): """Set the string encoding used by the Unicode implementation. The default is 'ascii', but if you're willing to experiment, you can change this.""" encoding = "ascii" # Default value set by _PyUnicode_Init() if 0: # Enable to support locale aware default string encodings....
def force_global_eggs_after_local_site_packages(): """ Force easy_installed eggs in the global environment to get placed in sys.path after all packages inside the virtualenv. This maintains the "least surprise" result that packages in the virtualenv always mask global packages, never the other way ...
def fixclasspath(): """Adjust the special classpath sys.path entries for Jython. These entries should follow the base virtualenv lib directories. """ paths = [] classpaths = [] for path in sys.path: if path == '__classpath__' or path.startswith('__pyclasspath__'): classpaths....
def Popen_nonblocking(*args, **kwargs): """ Open a subprocess without blocking. Return a process handle with any output streams replaced by queues of lines from that stream. Usage:: proc = Popen_nonblocking(..., stdout=subprocess.PIPE) try: out_line = proc.stdout.get_nowait() except queue.Empty: "no o...
def have_pyrex(): """ Return True if Cython or Pyrex can be imported. """ pyrex_impls = 'Cython.Distutils.build_ext', 'Pyrex.Distutils.build_ext' for pyrex_impl in pyrex_impls: try: # from (pyrex_impl) import build_ext __import__(pyrex_impl, fromlist=['build_ext']).bu...
def _convert_pyx_sources_to_lang(self): """ Replace sources with .pyx extensions to sources with the target language extension. This mechanism allows language authors to supply pre-converted sources but to prefer the .pyx sources. """ if have_pyrex(): # the bu...
def debug_application(self, environ, start_response): """Run the application and conserve the traceback frames.""" app_iter = None try: app_iter = self.app(environ, start_response) for item in app_iter: yield item if hasattr(app_iter, 'close'):...
def get_resource(self, request, filename): """Return a static resource from the shared folder.""" filename = join(dirname(__file__), 'shared', basename(filename)) if isfile(filename): mimetype = mimetypes.guess_type(filename)[0] \ or 'application/octet-stream' ...
def user_agent(): """ Return a string representing the user agent. """ data = { "installer": {"name": "pip", "version": pip.__version__}, "python": platform.python_version(), "implementation": { "name": platform.python_implementation(), }, } if data["...
def get_file_content(url, comes_from=None, session=None): """Gets the content of a file; it may be a filename, file: URL, or http: URL. Returns (location, content). Content is unicode.""" if session is None: raise TypeError( "get_file_content() missing 1 required keyword argument: 'ses...
def is_url(name): """Returns true if the name looks like a URL""" if ':' not in name: return False scheme = name.split(':', 1)[0].lower() return scheme in ['http', 'https', 'file', 'ftp'] + vcs.all_schemes
def unpack_file_url(link, location, download_dir=None): """Unpack link into location. If download_dir is provided and link points to a file, make a copy of the link file inside download_dir.""" link_path = url_to_path(link.url_without_fragment) # If it's a url to a local directory if os.path.i...