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# Copyright (c) 2010-2015 Benjamin Peterson |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the "Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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"""Utilities for writing code that runs on Python 2 and 3""" |
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from __future__ import absolute_import |
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import functools |
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import itertools |
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import operator |
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import sys |
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import types |
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__author__ = "Benjamin Peterson <[email protected]>" |
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__version__ = "1.10.0" |
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# Useful for very coarse version differentiation. |
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PY2 = sys.version_info[0] == 2 |
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PY3 = sys.version_info[0] == 3 |
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PY34 = sys.version_info[0:2] >= (3, 4) |
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if PY3: |
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string_types = str, |
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integer_types = int, |
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class_types = type, |
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text_type = str |
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binary_type = bytes |
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MAXSIZE = sys.maxsize |
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else: |
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string_types = basestring, |
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integer_types = (int, long) |
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class_types = (type, types.ClassType) |
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text_type = unicode |
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binary_type = str |
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if sys.platform.startswith("java"): |
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# Jython always uses 32 bits. |
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MAXSIZE = int((1 << 31) - 1) |
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else: |
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# It's possible to have sizeof(long) != sizeof(Py_ssize_t). |
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class X(object): |
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def __len__(self): |
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return 1 << 31 |
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try: |
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len(X()) |
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except OverflowError: |
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# 32-bit |
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MAXSIZE = int((1 << 31) - 1) |
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else: |
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# 64-bit |
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MAXSIZE = int((1 << 63) - 1) |
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del X |
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def _add_doc(func, doc): |
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"""Add documentation to a function.""" |
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func.__doc__ = doc |
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def _import_module(name): |
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"""Import module, returning the module after the last dot.""" |
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__import__(name) |
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return sys.modules[name] |
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class _LazyDescr(object): |
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def __init__(self, name): |
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self.name = name |
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def __get__(self, obj, tp): |
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result = self._resolve() |
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setattr(obj, self.name, result) # Invokes __set__. |
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try: |
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# This is a bit ugly, but it avoids running this again by |
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# removing this descriptor. |
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delattr(obj.__class__, self.name) |
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except AttributeError: |
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pass |
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return result |
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class MovedModule(_LazyDescr): |
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def __init__(self, name, old, new=None): |
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super(MovedModule, self).__init__(name) |
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if PY3: |
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if new is None: |
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new = name |
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self.mod = new |
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else: |
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self.mod = old |
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def _resolve(self): |
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return _import_module(self.mod) |
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def __getattr__(self, attr): |
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_module = self._resolve() |
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value = getattr(_module, attr) |
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setattr(self, attr, value) |
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return value |
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class _LazyModule(types.ModuleType): |
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def __init__(self, name): |
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super(_LazyModule, self).__init__(name) |
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self.__doc__ = self.__class__.__doc__ |
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def __dir__(self): |
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attrs = ["__doc__", "__name__"] |
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attrs += [attr.name for attr in self._moved_attributes] |
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return attrs |
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# Subclasses should override this |
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_moved_attributes = [] |
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class MovedAttribute(_LazyDescr): |
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def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None): |
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super(MovedAttribute, self).__init__(name) |
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if PY3: |
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if new_mod is None: |
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new_mod = name |
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self.mod = new_mod |
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if new_attr is None: |
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if old_attr is None: |
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new_attr = name |
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else: |
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new_attr = old_attr |
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self.attr = new_attr |
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else: |
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self.mod = old_mod |
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if old_attr is None: |
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old_attr = name |
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self.attr = old_attr |
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def _resolve(self): |
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module = _import_module(self.mod) |
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return getattr(module, self.attr) |
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class _SixMetaPathImporter(object): |
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""" |
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A meta path importer to import six.moves and its submodules. |
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This class implements a PEP302 finder and loader. It should be compatible |
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with Python 2.5 and all existing versions of Python3 |
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""" |
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def __init__(self, six_module_name): |
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self.name = six_module_name |
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self.known_modules = {} |
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def _add_module(self, mod, *fullnames): |
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for fullname in fullnames: |
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self.known_modules[self.name + "." + fullname] = mod |
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def _get_module(self, fullname): |
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return self.known_modules[self.name + "." + fullname] |
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def find_module(self, fullname, path=None): |
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if fullname in self.known_modules: |
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return self |
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return None |
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def __get_module(self, fullname): |
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try: |
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return self.known_modules[fullname] |
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except KeyError: |
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raise ImportError("This loader does not know module " + fullname) |
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def load_module(self, fullname): |
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try: |
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# in case of a reload |
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return sys.modules[fullname] |
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except KeyError: |
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pass |
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mod = self.__get_module(fullname) |
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if isinstance(mod, MovedModule): |
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mod = mod._resolve() |
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else: |
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mod.__loader__ = self |
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sys.modules[fullname] = mod |
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return mod |
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def is_package(self, fullname): |
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""" |
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Return true, if the named module is a package. |
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We need this method to get correct spec objects with |
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Python 3.4 (see PEP451) |
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""" |
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return hasattr(self.__get_module(fullname), "__path__") |
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def get_code(self, fullname): |
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"""Return None |
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Required, if is_package is implemented""" |
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self.__get_module(fullname) # eventually raises ImportError |
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return None |
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get_source = get_code # same as get_code |
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_importer = _SixMetaPathImporter(__name__) |
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class _MovedItems(_LazyModule): |
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"""Lazy loading of moved objects""" |
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__path__ = [] # mark as package |
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_moved_attributes = [ |
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MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"), |
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MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"), |
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MovedAttribute("filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"), |
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MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"), |
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MovedAttribute("intern", "__builtin__", "sys"), |
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MovedAttribute("map", "itertools", "builtins", "imap", "map"), |
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MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"), |
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MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"), |
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MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"), |
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MovedAttribute("reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"), |
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MovedAttribute("reduce", "__builtin__", "functools"), |
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MovedAttribute("shlex_quote", "pipes", "shlex", "quote"), |
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MovedAttribute("StringIO", "StringIO", "io"), |
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MovedAttribute("UserDict", "UserDict", "collections"), |
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MovedAttribute("UserList", "UserList", "collections"), |
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MovedAttribute("UserString", "UserString", "collections"), |
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MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"), |
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MovedAttribute("zip", "itertools", "builtins", "izip", "zip"), |
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MovedAttribute("zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"), |
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MovedModule("builtins", "__builtin__"), |
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MovedModule("configparser", "ConfigParser"), |
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MovedModule("copyreg", "copy_reg"), |
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MovedModule("dbm_gnu", "gdbm", "dbm.gnu"), |
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MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"), |
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MovedModule("http_cookiejar", "cookielib", "http.cookiejar"), |
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MovedModule("http_cookies", "Cookie", "http.cookies"), |
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MovedModule("html_entities", "htmlentitydefs", "html.entities"), |
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MovedModule("html_parser", "HTMLParser", "html.parser"), |
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MovedModule("http_client", "httplib", "http.client"), |
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MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"), |
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MovedModule("email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"), |
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MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"), |
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MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"), |
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MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"), |
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MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"), |
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MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"), |
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MovedModule("cPickle", "cPickle", "pickle"), |
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MovedModule("queue", "Queue"), |
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MovedModule("reprlib", "repr"), |
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MovedModule("socketserver", "SocketServer"), |
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MovedModule("_thread", "thread", "_thread"), |
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MovedModule("tkinter", "Tkinter"), |
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MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"), |
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MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"), |
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MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"), |
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MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"), |
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MovedModule("tkinter_tix", "Tix", "tkinter.tix"), |
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MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"), |
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MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"), |
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MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"), |
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MovedModule("tkinter_colorchooser", "tkColorChooser", |
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"tkinter.colorchooser"), |
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MovedModule("tkinter_commondialog", "tkCommonDialog", |
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"tkinter.commondialog"), |
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MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"), |
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MovedModule("tkinter_font", "tkFont", "tkinter.font"), |
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MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"), |
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MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", |
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"tkinter.simpledialog"), |
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MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"), |
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MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"), |
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MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"), |
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MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"), |
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MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"), |
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MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"), |
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301
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] |
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302
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# Add windows specific modules. |
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303
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|
if sys.platform == "win32": |
|
304
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_moved_attributes += [ |
|
305
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MovedModule("winreg", "_winreg"), |
|
306
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] |
|
307
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308
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for attr in _moved_attributes: |
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309
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setattr(_MovedItems, attr.name, attr) |
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310
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if isinstance(attr, MovedModule): |
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311
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_importer._add_module(attr, "moves." + attr.name) |
|
312
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del attr |
|
313
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314
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_MovedItems._moved_attributes = _moved_attributes |
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315
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316
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moves = _MovedItems(__name__ + ".moves") |
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317
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_importer._add_module(moves, "moves") |
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318
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319
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320
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class Module_six_moves_urllib_parse(_LazyModule): |
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321
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322
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"""Lazy loading of moved objects in six.moves.urllib_parse""" |
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323
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324
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325
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_urllib_parse_moved_attributes = [ |
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326
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MovedAttribute("ParseResult", "urlparse", "urllib.parse"), |
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327
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|
MovedAttribute("SplitResult", "urlparse", "urllib.parse"), |
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328
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MovedAttribute("parse_qs", "urlparse", "urllib.parse"), |
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329
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|
MovedAttribute("parse_qsl", "urlparse", "urllib.parse"), |
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330
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|
MovedAttribute("urldefrag", "urlparse", "urllib.parse"), |
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331
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|
MovedAttribute("urljoin", "urlparse", "urllib.parse"), |
|
332
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|
MovedAttribute("urlparse", "urlparse", "urllib.parse"), |
|
333
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|
MovedAttribute("urlsplit", "urlparse", "urllib.parse"), |
|
334
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|
MovedAttribute("urlunparse", "urlparse", "urllib.parse"), |
|
335
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MovedAttribute("urlunsplit", "urlparse", "urllib.parse"), |
|
336
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MovedAttribute("quote", "urllib", "urllib.parse"), |
|
337
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MovedAttribute("quote_plus", "urllib", "urllib.parse"), |
|
338
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|
MovedAttribute("unquote", "urllib", "urllib.parse"), |
|
339
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|
MovedAttribute("unquote_plus", "urllib", "urllib.parse"), |
|
340
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|
MovedAttribute("urlencode", "urllib", "urllib.parse"), |
|
341
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|
MovedAttribute("splitquery", "urllib", "urllib.parse"), |
|
342
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|
MovedAttribute("splittag", "urllib", "urllib.parse"), |
|
343
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|
MovedAttribute("splituser", "urllib", "urllib.parse"), |
|
344
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|
MovedAttribute("uses_fragment", "urlparse", "urllib.parse"), |
|
345
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|
MovedAttribute("uses_netloc", "urlparse", "urllib.parse"), |
|
346
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|
|
MovedAttribute("uses_params", "urlparse", "urllib.parse"), |
|
347
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|
|
MovedAttribute("uses_query", "urlparse", "urllib.parse"), |
|
348
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|
|
MovedAttribute("uses_relative", "urlparse", "urllib.parse"), |
|
349
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|
|
] |
|
350
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|
|
for attr in _urllib_parse_moved_attributes: |
|
351
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|
|
setattr(Module_six_moves_urllib_parse, attr.name, attr) |
|
352
|
|
|
del attr |
|
353
|
|
|
|
|
354
|
|
|
Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes |
|
355
|
|
|
|
|
356
|
|
|
_importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"), |
|
357
|
|
|
"moves.urllib_parse", "moves.urllib.parse") |
|
358
|
|
|
|
|
359
|
|
|
|
|
360
|
|
|
class Module_six_moves_urllib_error(_LazyModule): |
|
361
|
|
|
|
|
362
|
|
|
"""Lazy loading of moved objects in six.moves.urllib_error""" |
|
363
|
|
|
|
|
364
|
|
|
|
|
365
|
|
|
_urllib_error_moved_attributes = [ |
|
366
|
|
|
MovedAttribute("URLError", "urllib2", "urllib.error"), |
|
367
|
|
|
MovedAttribute("HTTPError", "urllib2", "urllib.error"), |
|
368
|
|
|
MovedAttribute("ContentTooShortError", "urllib", "urllib.error"), |
|
369
|
|
|
] |
|
370
|
|
|
for attr in _urllib_error_moved_attributes: |
|
371
|
|
|
setattr(Module_six_moves_urllib_error, attr.name, attr) |
|
372
|
|
|
del attr |
|
373
|
|
|
|
|
374
|
|
|
Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes |
|
375
|
|
|
|
|
376
|
|
|
_importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"), |
|
377
|
|
|
"moves.urllib_error", "moves.urllib.error") |
|
378
|
|
|
|
|
379
|
|
|
|
|
380
|
|
|
class Module_six_moves_urllib_request(_LazyModule): |
|
381
|
|
|
|
|
382
|
|
|
"""Lazy loading of moved objects in six.moves.urllib_request""" |
|
383
|
|
|
|
|
384
|
|
|
|
|
385
|
|
|
_urllib_request_moved_attributes = [ |
|
386
|
|
|
MovedAttribute("urlopen", "urllib2", "urllib.request"), |
|
387
|
|
|
MovedAttribute("install_opener", "urllib2", "urllib.request"), |
|
388
|
|
|
MovedAttribute("build_opener", "urllib2", "urllib.request"), |
|
389
|
|
|
MovedAttribute("pathname2url", "urllib", "urllib.request"), |
|
390
|
|
|
MovedAttribute("url2pathname", "urllib", "urllib.request"), |
|
391
|
|
|
MovedAttribute("getproxies", "urllib", "urllib.request"), |
|
392
|
|
|
MovedAttribute("Request", "urllib2", "urllib.request"), |
|
393
|
|
|
MovedAttribute("OpenerDirector", "urllib2", "urllib.request"), |
|
394
|
|
|
MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"), |
|
395
|
|
|
MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"), |
|
396
|
|
|
MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"), |
|
397
|
|
|
MovedAttribute("ProxyHandler", "urllib2", "urllib.request"), |
|
398
|
|
|
MovedAttribute("BaseHandler", "urllib2", "urllib.request"), |
|
399
|
|
|
MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"), |
|
400
|
|
|
MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"), |
|
401
|
|
|
MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"), |
|
402
|
|
|
MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"), |
|
403
|
|
|
MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"), |
|
404
|
|
|
MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"), |
|
405
|
|
|
MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"), |
|
406
|
|
|
MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"), |
|
407
|
|
|
MovedAttribute("HTTPHandler", "urllib2", "urllib.request"), |
|
408
|
|
|
MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"), |
|
409
|
|
|
MovedAttribute("FileHandler", "urllib2", "urllib.request"), |
|
410
|
|
|
MovedAttribute("FTPHandler", "urllib2", "urllib.request"), |
|
411
|
|
|
MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"), |
|
412
|
|
|
MovedAttribute("UnknownHandler", "urllib2", "urllib.request"), |
|
413
|
|
|
MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"), |
|
414
|
|
|
MovedAttribute("urlretrieve", "urllib", "urllib.request"), |
|
415
|
|
|
MovedAttribute("urlcleanup", "urllib", "urllib.request"), |
|
416
|
|
|
MovedAttribute("URLopener", "urllib", "urllib.request"), |
|
417
|
|
|
MovedAttribute("FancyURLopener", "urllib", "urllib.request"), |
|
418
|
|
|
MovedAttribute("proxy_bypass", "urllib", "urllib.request"), |
|
419
|
|
|
] |
|
420
|
|
|
for attr in _urllib_request_moved_attributes: |
|
421
|
|
|
setattr(Module_six_moves_urllib_request, attr.name, attr) |
|
422
|
|
|
del attr |
|
423
|
|
|
|
|
424
|
|
|
Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes |
|
425
|
|
|
|
|
426
|
|
|
_importer._add_module(Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"), |
|
427
|
|
|
"moves.urllib_request", "moves.urllib.request") |
|
428
|
|
|
|
|
429
|
|
|
|
|
430
|
|
|
class Module_six_moves_urllib_response(_LazyModule): |
|
431
|
|
|
|
|
432
|
|
|
"""Lazy loading of moved objects in six.moves.urllib_response""" |
|
433
|
|
|
|
|
434
|
|
|
|
|
435
|
|
|
_urllib_response_moved_attributes = [ |
|
436
|
|
|
MovedAttribute("addbase", "urllib", "urllib.response"), |
|
437
|
|
|
MovedAttribute("addclosehook", "urllib", "urllib.response"), |
|
438
|
|
|
MovedAttribute("addinfo", "urllib", "urllib.response"), |
|
439
|
|
|
MovedAttribute("addinfourl", "urllib", "urllib.response"), |
|
440
|
|
|
] |
|
441
|
|
|
for attr in _urllib_response_moved_attributes: |
|
442
|
|
|
setattr(Module_six_moves_urllib_response, attr.name, attr) |
|
443
|
|
|
del attr |
|
444
|
|
|
|
|
445
|
|
|
Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes |
|
446
|
|
|
|
|
447
|
|
|
_importer._add_module(Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"), |
|
448
|
|
|
"moves.urllib_response", "moves.urllib.response") |
|
449
|
|
|
|
|
450
|
|
|
|
|
451
|
|
|
class Module_six_moves_urllib_robotparser(_LazyModule): |
|
452
|
|
|
|
|
453
|
|
|
"""Lazy loading of moved objects in six.moves.urllib_robotparser""" |
|
454
|
|
|
|
|
455
|
|
|
|
|
456
|
|
|
_urllib_robotparser_moved_attributes = [ |
|
457
|
|
|
MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"), |
|
458
|
|
|
] |
|
459
|
|
|
for attr in _urllib_robotparser_moved_attributes: |
|
460
|
|
|
setattr(Module_six_moves_urllib_robotparser, attr.name, attr) |
|
461
|
|
|
del attr |
|
462
|
|
|
|
|
463
|
|
|
Module_six_moves_urllib_robotparser._moved_attributes = _urllib_robotparser_moved_attributes |
|
464
|
|
|
|
|
465
|
|
|
_importer._add_module(Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"), |
|
466
|
|
|
"moves.urllib_robotparser", "moves.urllib.robotparser") |
|
467
|
|
|
|
|
468
|
|
|
|
|
469
|
|
|
class Module_six_moves_urllib(types.ModuleType): |
|
470
|
|
|
|
|
471
|
|
|
"""Create a six.moves.urllib namespace that resembles the Python 3 namespace""" |
|
472
|
|
|
__path__ = [] # mark as package |
|
473
|
|
|
parse = _importer._get_module("moves.urllib_parse") |
|
474
|
|
|
error = _importer._get_module("moves.urllib_error") |
|
475
|
|
|
request = _importer._get_module("moves.urllib_request") |
|
476
|
|
|
response = _importer._get_module("moves.urllib_response") |
|
477
|
|
|
robotparser = _importer._get_module("moves.urllib_robotparser") |
|
478
|
|
|
|
|
479
|
|
|
def __dir__(self): |
|
480
|
|
|
return ['parse', 'error', 'request', 'response', 'robotparser'] |
|
481
|
|
|
|
|
482
|
|
|
_importer._add_module(Module_six_moves_urllib(__name__ + ".moves.urllib"), |
|
483
|
|
|
"moves.urllib") |
|
484
|
|
|
|
|
485
|
|
|
|
|
486
|
|
|
def add_move(move): |
|
487
|
|
|
"""Add an item to six.moves.""" |
|
488
|
|
|
setattr(_MovedItems, move.name, move) |
|
489
|
|
|
|
|
490
|
|
|
|
|
491
|
|
|
def remove_move(name): |
|
492
|
|
|
"""Remove item from six.moves.""" |
|
493
|
|
|
try: |
|
494
|
|
|
delattr(_MovedItems, name) |
|
495
|
|
|
except AttributeError: |
|
496
|
|
|
try: |
|
497
|
|
|
del moves.__dict__[name] |
|
498
|
|
|
except KeyError: |
|
499
|
|
|
raise AttributeError("no such move, %r" % (name,)) |
|
500
|
|
|
|
|
501
|
|
|
|
|
502
|
|
|
if PY3: |
|
503
|
|
|
_meth_func = "__func__" |
|
504
|
|
|
_meth_self = "__self__" |
|
505
|
|
|
|
|
506
|
|
|
_func_closure = "__closure__" |
|
507
|
|
|
_func_code = "__code__" |
|
508
|
|
|
_func_defaults = "__defaults__" |
|
509
|
|
|
_func_globals = "__globals__" |
|
510
|
|
|
else: |
|
511
|
|
|
_meth_func = "im_func" |
|
512
|
|
|
_meth_self = "im_self" |
|
513
|
|
|
|
|
514
|
|
|
_func_closure = "func_closure" |
|
515
|
|
|
_func_code = "func_code" |
|
516
|
|
|
_func_defaults = "func_defaults" |
|
517
|
|
|
_func_globals = "func_globals" |
|
518
|
|
|
|
|
519
|
|
|
|
|
520
|
|
|
try: |
|
521
|
|
|
advance_iterator = next |
|
522
|
|
|
except NameError: |
|
523
|
|
|
def advance_iterator(it): |
|
524
|
|
|
return it.next() |
|
525
|
|
|
next = advance_iterator |
|
526
|
|
|
|
|
527
|
|
|
|
|
528
|
|
|
try: |
|
529
|
|
|
callable = callable |
|
530
|
|
|
except NameError: |
|
531
|
|
|
def callable(obj): |
|
532
|
|
|
return any("__call__" in klass.__dict__ for klass in type(obj).__mro__) |
|
533
|
|
|
|
|
534
|
|
|
|
|
535
|
|
|
if PY3: |
|
536
|
|
|
def get_unbound_function(unbound): |
|
537
|
|
|
return unbound |
|
538
|
|
|
|
|
539
|
|
|
create_bound_method = types.MethodType |
|
540
|
|
|
|
|
541
|
|
|
def create_unbound_method(func, cls): |
|
542
|
|
|
return func |
|
543
|
|
|
|
|
544
|
|
|
Iterator = object |
|
545
|
|
|
else: |
|
546
|
|
|
def get_unbound_function(unbound): |
|
547
|
|
|
return unbound.im_func |
|
548
|
|
|
|
|
549
|
|
|
def create_bound_method(func, obj): |
|
550
|
|
|
return types.MethodType(func, obj, obj.__class__) |
|
551
|
|
|
|
|
552
|
|
|
def create_unbound_method(func, cls): |
|
553
|
|
|
return types.MethodType(func, None, cls) |
|
554
|
|
|
|
|
555
|
|
|
class Iterator(object): |
|
556
|
|
|
|
|
557
|
|
|
def next(self): |
|
558
|
|
|
return type(self).__next__(self) |
|
559
|
|
|
|
|
560
|
|
|
callable = callable |
|
561
|
|
|
_add_doc(get_unbound_function, |
|
562
|
|
|
"""Get the function out of a possibly unbound function""") |
|
563
|
|
|
|
|
564
|
|
|
|
|
565
|
|
|
get_method_function = operator.attrgetter(_meth_func) |
|
566
|
|
|
get_method_self = operator.attrgetter(_meth_self) |
|
567
|
|
|
get_function_closure = operator.attrgetter(_func_closure) |
|
568
|
|
|
get_function_code = operator.attrgetter(_func_code) |
|
569
|
|
|
get_function_defaults = operator.attrgetter(_func_defaults) |
|
570
|
|
|
get_function_globals = operator.attrgetter(_func_globals) |
|
571
|
|
|
|
|
572
|
|
|
|
|
573
|
|
|
if PY3: |
|
574
|
|
|
def iterkeys(d, **kw): |
|
575
|
|
|
return iter(d.keys(**kw)) |
|
576
|
|
|
|
|
577
|
|
|
def itervalues(d, **kw): |
|
578
|
|
|
return iter(d.values(**kw)) |
|
579
|
|
|
|
|
580
|
|
|
def iteritems(d, **kw): |
|
581
|
|
|
return iter(d.items(**kw)) |
|
582
|
|
|
|
|
583
|
|
|
def iterlists(d, **kw): |
|
584
|
|
|
return iter(d.lists(**kw)) |
|
585
|
|
|
|
|
586
|
|
|
viewkeys = operator.methodcaller("keys") |
|
587
|
|
|
|
|
588
|
|
|
viewvalues = operator.methodcaller("values") |
|
589
|
|
|
|
|
590
|
|
|
viewitems = operator.methodcaller("items") |
|
591
|
|
|
else: |
|
592
|
|
|
def iterkeys(d, **kw): |
|
593
|
|
|
return d.iterkeys(**kw) |
|
594
|
|
|
|
|
595
|
|
|
def itervalues(d, **kw): |
|
596
|
|
|
return d.itervalues(**kw) |
|
597
|
|
|
|
|
598
|
|
|
def iteritems(d, **kw): |
|
599
|
|
|
return d.iteritems(**kw) |
|
600
|
|
|
|
|
601
|
|
|
def iterlists(d, **kw): |
|
602
|
|
|
return d.iterlists(**kw) |
|
603
|
|
|
|
|
604
|
|
|
viewkeys = operator.methodcaller("viewkeys") |
|
605
|
|
|
|
|
606
|
|
|
viewvalues = operator.methodcaller("viewvalues") |
|
607
|
|
|
|
|
608
|
|
|
viewitems = operator.methodcaller("viewitems") |
|
609
|
|
|
|
|
610
|
|
|
_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.") |
|
611
|
|
|
_add_doc(itervalues, "Return an iterator over the values of a dictionary.") |
|
612
|
|
|
_add_doc(iteritems, |
|
613
|
|
|
"Return an iterator over the (key, value) pairs of a dictionary.") |
|
614
|
|
|
_add_doc(iterlists, |
|
615
|
|
|
"Return an iterator over the (key, [values]) pairs of a dictionary.") |
|
616
|
|
|
|
|
617
|
|
|
|
|
618
|
|
|
if PY3: |
|
619
|
|
|
def b(s): |
|
620
|
|
|
return s.encode("latin-1") |
|
621
|
|
|
|
|
622
|
|
|
def u(s): |
|
623
|
|
|
return s |
|
624
|
|
|
unichr = chr |
|
625
|
|
|
import struct |
|
626
|
|
|
int2byte = struct.Struct(">B").pack |
|
627
|
|
|
del struct |
|
628
|
|
|
byte2int = operator.itemgetter(0) |
|
629
|
|
|
indexbytes = operator.getitem |
|
630
|
|
|
iterbytes = iter |
|
631
|
|
|
import io |
|
632
|
|
|
StringIO = io.StringIO |
|
633
|
|
|
BytesIO = io.BytesIO |
|
634
|
|
|
_assertCountEqual = "assertCountEqual" |
|
635
|
|
|
if sys.version_info[1] <= 1: |
|
636
|
|
|
_assertRaisesRegex = "assertRaisesRegexp" |
|
637
|
|
|
_assertRegex = "assertRegexpMatches" |
|
638
|
|
|
else: |
|
639
|
|
|
_assertRaisesRegex = "assertRaisesRegex" |
|
640
|
|
|
_assertRegex = "assertRegex" |
|
641
|
|
|
else: |
|
642
|
|
|
def b(s): |
|
643
|
|
|
return s |
|
644
|
|
|
# Workaround for standalone backslash |
|
645
|
|
|
|
|
646
|
|
|
def u(s): |
|
647
|
|
|
return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape") |
|
648
|
|
|
unichr = unichr |
|
649
|
|
|
int2byte = chr |
|
650
|
|
|
|
|
651
|
|
|
def byte2int(bs): |
|
652
|
|
|
return ord(bs[0]) |
|
653
|
|
|
|
|
654
|
|
|
def indexbytes(buf, i): |
|
655
|
|
|
return ord(buf[i]) |
|
656
|
|
|
iterbytes = functools.partial(itertools.imap, ord) |
|
657
|
|
|
import StringIO |
|
658
|
|
|
StringIO = BytesIO = StringIO.StringIO |
|
659
|
|
|
_assertCountEqual = "assertItemsEqual" |
|
660
|
|
|
_assertRaisesRegex = "assertRaisesRegexp" |
|
661
|
|
|
_assertRegex = "assertRegexpMatches" |
|
662
|
|
|
_add_doc(b, """Byte literal""") |
|
663
|
|
|
_add_doc(u, """Text literal""") |
|
664
|
|
|
|
|
665
|
|
|
|
|
666
|
|
|
def assertCountEqual(self, *args, **kwargs): |
|
667
|
|
|
return getattr(self, _assertCountEqual)(*args, **kwargs) |
|
668
|
|
|
|
|
669
|
|
|
|
|
670
|
|
|
def assertRaisesRegex(self, *args, **kwargs): |
|
671
|
|
|
return getattr(self, _assertRaisesRegex)(*args, **kwargs) |
|
672
|
|
|
|
|
673
|
|
|
|
|
674
|
|
|
def assertRegex(self, *args, **kwargs): |
|
675
|
|
|
return getattr(self, _assertRegex)(*args, **kwargs) |
|
676
|
|
|
|
|
677
|
|
|
|
|
678
|
|
|
if PY3: |
|
679
|
|
|
exec_ = getattr(moves.builtins, "exec") |
|
680
|
|
|
|
|
681
|
|
|
def reraise(tp, value, tb=None): |
|
682
|
|
|
if value is None: |
|
683
|
|
|
value = tp() |
|
684
|
|
|
if value.__traceback__ is not tb: |
|
685
|
|
|
raise value.with_traceback(tb) |
|
686
|
|
|
raise value |
|
687
|
|
|
|
|
688
|
|
|
else: |
|
689
|
|
|
def exec_(_code_, _globs_=None, _locs_=None): |
|
690
|
|
|
"""Execute code in a namespace.""" |
|
691
|
|
|
if _globs_ is None: |
|
692
|
|
|
frame = sys._getframe(1) |
|
693
|
|
|
_globs_ = frame.f_globals |
|
694
|
|
|
if _locs_ is None: |
|
695
|
|
|
_locs_ = frame.f_locals |
|
696
|
|
|
del frame |
|
697
|
|
|
elif _locs_ is None: |
|
698
|
|
|
_locs_ = _globs_ |
|
699
|
|
|
exec("""exec _code_ in _globs_, _locs_""") |
|
700
|
|
|
|
|
701
|
|
|
exec_("""def reraise(tp, value, tb=None): |
|
702
|
|
|
raise tp, value, tb |
|
703
|
|
|
""") |
|
704
|
|
|
|
|
705
|
|
|
|
|
706
|
|
|
if sys.version_info[:2] == (3, 2): |
|
707
|
|
|
exec_("""def raise_from(value, from_value): |
|
708
|
|
|
if from_value is None: |
|
709
|
|
|
raise value |
|
710
|
|
|
raise value from from_value |
|
711
|
|
|
""") |
|
712
|
|
|
elif sys.version_info[:2] > (3, 2): |
|
713
|
|
|
exec_("""def raise_from(value, from_value): |
|
714
|
|
|
raise value from from_value |
|
715
|
|
|
""") |
|
716
|
|
|
else: |
|
717
|
|
|
def raise_from(value, from_value): |
|
718
|
|
|
raise value |
|
719
|
|
|
|
|
720
|
|
|
|
|
721
|
|
|
print_ = getattr(moves.builtins, "print", None) |
|
722
|
|
|
if print_ is None: |
|
723
|
|
|
def print_(*args, **kwargs): |
|
724
|
|
|
"""The new-style print function for Python 2.4 and 2.5.""" |
|
725
|
|
|
fp = kwargs.pop("file", sys.stdout) |
|
726
|
|
|
if fp is None: |
|
727
|
|
|
return |
|
728
|
|
|
|
|
729
|
|
|
def write(data): |
|
730
|
|
|
if not isinstance(data, basestring): |
|
731
|
|
|
data = str(data) |
|
732
|
|
|
# If the file has an encoding, encode unicode with it. |
|
733
|
|
|
if (isinstance(fp, file) and |
|
734
|
|
|
isinstance(data, unicode) and |
|
735
|
|
|
fp.encoding is not None): |
|
736
|
|
|
errors = getattr(fp, "errors", None) |
|
737
|
|
|
if errors is None: |
|
738
|
|
|
errors = "strict" |
|
739
|
|
|
data = data.encode(fp.encoding, errors) |
|
740
|
|
|
fp.write(data) |
|
741
|
|
|
want_unicode = False |
|
742
|
|
|
sep = kwargs.pop("sep", None) |
|
743
|
|
|
if sep is not None: |
|
744
|
|
|
if isinstance(sep, unicode): |
|
745
|
|
|
want_unicode = True |
|
746
|
|
|
elif not isinstance(sep, str): |
|
747
|
|
|
raise TypeError("sep must be None or a string") |
|
748
|
|
|
end = kwargs.pop("end", None) |
|
749
|
|
|
if end is not None: |
|
750
|
|
|
if isinstance(end, unicode): |
|
751
|
|
|
want_unicode = True |
|
752
|
|
|
elif not isinstance(end, str): |
|
753
|
|
|
raise TypeError("end must be None or a string") |
|
754
|
|
|
if kwargs: |
|
755
|
|
|
raise TypeError("invalid keyword arguments to print()") |
|
756
|
|
|
if not want_unicode: |
|
757
|
|
|
for arg in args: |
|
758
|
|
|
if isinstance(arg, unicode): |
|
759
|
|
|
want_unicode = True |
|
760
|
|
|
break |
|
761
|
|
|
if want_unicode: |
|
762
|
|
|
newline = unicode("\n") |
|
763
|
|
|
space = unicode(" ") |
|
764
|
|
|
else: |
|
765
|
|
|
newline = "\n" |
|
766
|
|
|
space = " " |
|
767
|
|
|
if sep is None: |
|
768
|
|
|
sep = space |
|
769
|
|
|
if end is None: |
|
770
|
|
|
end = newline |
|
771
|
|
|
for i, arg in enumerate(args): |
|
772
|
|
|
if i: |
|
773
|
|
|
write(sep) |
|
774
|
|
|
write(arg) |
|
775
|
|
|
write(end) |
|
776
|
|
|
if sys.version_info[:2] < (3, 3): |
|
777
|
|
|
_print = print_ |
|
778
|
|
|
|
|
779
|
|
|
def print_(*args, **kwargs): |
|
780
|
|
|
fp = kwargs.get("file", sys.stdout) |
|
781
|
|
|
flush = kwargs.pop("flush", False) |
|
782
|
|
|
_print(*args, **kwargs) |
|
783
|
|
|
if flush and fp is not None: |
|
784
|
|
|
fp.flush() |
|
785
|
|
|
|
|
786
|
|
|
_add_doc(reraise, """Reraise an exception.""") |
|
787
|
|
|
|
|
788
|
|
|
if sys.version_info[0:2] < (3, 4): |
|
789
|
|
|
def wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS, |
|
790
|
|
|
updated=functools.WRAPPER_UPDATES): |
|
791
|
|
|
def wrapper(f): |
|
792
|
|
|
f = functools.wraps(wrapped, assigned, updated)(f) |
|
793
|
|
|
f.__wrapped__ = wrapped |
|
794
|
|
|
return f |
|
795
|
|
|
return wrapper |
|
796
|
|
|
else: |
|
797
|
|
|
wraps = functools.wraps |
|
798
|
|
|
|
|
799
|
|
|
|
|
800
|
|
|
def with_metaclass(meta, *bases): |
|
801
|
|
|
"""Create a base class with a metaclass.""" |
|
802
|
|
|
# This requires a bit of explanation: the basic idea is to make a dummy |
|
803
|
|
|
# metaclass for one level of class instantiation that replaces itself with |
|
804
|
|
|
# the actual metaclass. |
|
805
|
|
|
class metaclass(meta): |
|
806
|
|
|
|
|
807
|
|
|
def __new__(cls, name, this_bases, d): |
|
808
|
|
|
return meta(name, bases, d) |
|
809
|
|
|
return type.__new__(metaclass, 'temporary_class', (), {}) |
|
810
|
|
|
|
|
811
|
|
|
|
|
812
|
|
|
def add_metaclass(metaclass): |
|
813
|
|
|
"""Class decorator for creating a class with a metaclass.""" |
|
814
|
|
|
def wrapper(cls): |
|
815
|
|
|
orig_vars = cls.__dict__.copy() |
|
816
|
|
|
slots = orig_vars.get('__slots__') |
|
817
|
|
|
if slots is not None: |
|
818
|
|
|
if isinstance(slots, str): |
|
819
|
|
|
slots = [slots] |
|
820
|
|
|
for slots_var in slots: |
|
821
|
|
|
orig_vars.pop(slots_var) |
|
822
|
|
|
orig_vars.pop('__dict__', None) |
|
823
|
|
|
orig_vars.pop('__weakref__', None) |
|
824
|
|
|
return metaclass(cls.__name__, cls.__bases__, orig_vars) |
|
825
|
|
|
return wrapper |
|
826
|
|
|
|
|
827
|
|
|
|
|
828
|
|
|
def python_2_unicode_compatible(klass): |
|
829
|
|
|
""" |
|
830
|
|
|
A decorator that defines __unicode__ and __str__ methods under Python 2. |
|
831
|
|
|
Under Python 3 it does nothing. |
|
832
|
|
|
|
|
833
|
|
|
To support Python 2 and 3 with a single code base, define a __str__ method |
|
834
|
|
|
returning text and apply this decorator to the class. |
|
835
|
|
|
""" |
|
836
|
|
|
if PY2: |
|
837
|
|
|
if '__str__' not in klass.__dict__: |
|
838
|
|
|
raise ValueError("@python_2_unicode_compatible cannot be applied " |
|
839
|
|
|
"to %s because it doesn't define __str__()." % |
|
840
|
|
|
klass.__name__) |
|
841
|
|
|
klass.__unicode__ = klass.__str__ |
|
842
|
|
|
klass.__str__ = lambda self: self.__unicode__().encode('utf-8') |
|
843
|
|
|
return klass |
|
844
|
|
|
|
|
845
|
|
|
|
|
846
|
|
|
# Complete the moves implementation. |
|
847
|
|
|
# This code is at the end of this module to speed up module loading. |
|
848
|
|
|
# Turn this module into a package. |
|
849
|
|
|
__path__ = [] # required for PEP 302 and PEP 451 |
|
850
|
|
|
__package__ = __name__ # see PEP 366 @ReservedAssignment |
|
851
|
|
|
if globals().get("__spec__") is not None: |
|
852
|
|
|
__spec__.submodule_search_locations = [] # PEP 451 @UndefinedVariable |
|
853
|
|
|
# Remove other six meta path importers, since they cause problems. This can |
|
854
|
|
|
# happen if six is removed from sys.modules and then reloaded. (Setuptools does |
|
855
|
|
|
# this for some reason.) |
|
856
|
|
|
if sys.meta_path: |
|
857
|
|
|
for i, importer in enumerate(sys.meta_path): |
|
858
|
|
|
# Here's some real nastiness: Another "instance" of the six module might |
|
859
|
|
|
# be floating around. Therefore, we can't use isinstance() to check for |
|
860
|
|
|
# the six meta path importer, since the other six instance will have |
|
861
|
|
|
# inserted an importer with different class. |
|
862
|
|
|
if (type(importer).__name__ == "_SixMetaPathImporter" and |
|
863
|
|
|
importer.name == __name__): |
|
864
|
|
|
del sys.meta_path[i] |
|
865
|
|
|
break |
|
866
|
|
|
del i, importer |
|
867
|
|
|
# Finally, add the importer to the meta path import hook. |
|
868
|
|
|
sys.meta_path.append(_importer) |
|
869
|
|
|
|
kalefranz /
auxlib
