| | from __future__ import absolute_import |
| |
|
| | import os |
| | import sys |
| | import errno |
| |
|
| | try: |
| | from lxml import etree |
| | have_lxml = True |
| | except ImportError: |
| | have_lxml = False |
| | try: |
| | from xml.etree import cElementTree as etree |
| | except ImportError: |
| | try: |
| | from xml.etree import ElementTree as etree |
| | except ImportError: |
| | etree = None |
| |
|
| | from ..Compiler import Errors |
| |
|
| |
|
| | class CythonDebugWriter(object): |
| | """ |
| | Class to output debugging information for cygdb |
| | |
| | It writes debug information to cython_debug/cython_debug_info_<modulename> |
| | in the build directory. |
| | """ |
| |
|
| | def __init__(self, output_dir): |
| | if etree is None: |
| | raise Errors.NoElementTreeInstalledException() |
| |
|
| | self.output_dir = os.path.join(output_dir or os.curdir, 'cython_debug') |
| | self.tb = etree.TreeBuilder() |
| | |
| | self.module_name = None |
| | self.start('cython_debug', attrs=dict(version='1.0')) |
| |
|
| | def start(self, name, attrs=None): |
| | self.tb.start(name, attrs or {}) |
| |
|
| | def end(self, name): |
| | self.tb.end(name) |
| |
|
| | def add_entry(self, name, **attrs): |
| | self.tb.start(name, attrs) |
| | self.tb.end(name) |
| |
|
| | def serialize(self): |
| | self.tb.end('Module') |
| | self.tb.end('cython_debug') |
| | xml_root_element = self.tb.close() |
| |
|
| | try: |
| | os.makedirs(self.output_dir) |
| | except OSError as e: |
| | if e.errno != errno.EEXIST: |
| | raise |
| |
|
| | et = etree.ElementTree(xml_root_element) |
| | kw = {} |
| | if have_lxml: |
| | kw['pretty_print'] = True |
| |
|
| | fn = "cython_debug_info_" + self.module_name |
| | et.write(os.path.join(self.output_dir, fn), encoding="UTF-8", **kw) |
| |
|
| | interpreter_path = os.path.join(self.output_dir, 'interpreter') |
| | with open(interpreter_path, 'w') as f: |
| | f.write(sys.executable) |
| |
|
