forked from OSchip/llvm-project
Add `six` Python module to lldb/third_party.
Six is a python module designed to smooth the process of porting Python 2 code to Python 3. Specifically, six provides a consistent interface to some of the breaking changes between 2 and 3. For example, the syntax for assigning a metaclass differs in Python 2 and 3. Six addresses this by providing a single class decorator that will do the right thing depending on which version of Python is being run. There are other examples too, such as dealing with renamed modules, unicode literals, etc. llvm-svn: 250857
This commit is contained in:
Zachary Turner
parent
744e3e7fc7
commit
4718944d50
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@ -0,0 +1,18 @@
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Copyright (c) 2010-2015 Benjamin Peterson
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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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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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, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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@ -0,0 +1,868 @@
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"""Utilities for writing code that runs on Python 2 and 3"""
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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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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 <benjamin@python.org>"
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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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]
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# Add windows specific modules.
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if sys.platform == "win32":
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_moved_attributes += [
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MovedModule("winreg", "_winreg"),
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]
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||||
for attr in _moved_attributes:
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setattr(_MovedItems, attr.name, attr)
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if isinstance(attr, MovedModule):
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_importer._add_module(attr, "moves." + attr.name)
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del attr
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||||
_MovedItems._moved_attributes = _moved_attributes
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moves = _MovedItems(__name__ + ".moves")
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_importer._add_module(moves, "moves")
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||||
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||||
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||||
class Module_six_moves_urllib_parse(_LazyModule):
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||||
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||||
"""Lazy loading of moved objects in six.moves.urllib_parse"""
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||||
|
||||
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||||
_urllib_parse_moved_attributes = [
|
||||
MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("urljoin", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("urlparse", "urlparse", "urllib.parse"),
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||||
MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
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||||
MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("quote", "urllib", "urllib.parse"),
|
||||
MovedAttribute("quote_plus", "urllib", "urllib.parse"),
|
||||
MovedAttribute("unquote", "urllib", "urllib.parse"),
|
||||
MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
|
||||
MovedAttribute("urlencode", "urllib", "urllib.parse"),
|
||||
MovedAttribute("splitquery", "urllib", "urllib.parse"),
|
||||
MovedAttribute("splittag", "urllib", "urllib.parse"),
|
||||
MovedAttribute("splituser", "urllib", "urllib.parse"),
|
||||
MovedAttribute("uses_fragment", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("uses_netloc", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("uses_params", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("uses_query", "urlparse", "urllib.parse"),
|
||||
MovedAttribute("uses_relative", "urlparse", "urllib.parse"),
|
||||
]
|
||||
for attr in _urllib_parse_moved_attributes:
|
||||
setattr(Module_six_moves_urllib_parse, attr.name, attr)
|
||||
del attr
|
||||
|
||||
Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
|
||||
|
||||
_importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
|
||||
"moves.urllib_parse", "moves.urllib.parse")
|
||||
|
||||
|
||||
class Module_six_moves_urllib_error(_LazyModule):
|
||||
|
||||
"""Lazy loading of moved objects in six.moves.urllib_error"""
|
||||
|
||||
|
||||
_urllib_error_moved_attributes = [
|
||||
MovedAttribute("URLError", "urllib2", "urllib.error"),
|
||||
MovedAttribute("HTTPError", "urllib2", "urllib.error"),
|
||||
MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
|
||||
]
|
||||
for attr in _urllib_error_moved_attributes:
|
||||
setattr(Module_six_moves_urllib_error, attr.name, attr)
|
||||
del attr
|
||||
|
||||
Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
|
||||
|
||||
_importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
|
||||
"moves.urllib_error", "moves.urllib.error")
|
||||
|
||||
|
||||
class Module_six_moves_urllib_request(_LazyModule):
|
||||
|
||||
"""Lazy loading of moved objects in six.moves.urllib_request"""
|
||||
|
||||
|
||||
_urllib_request_moved_attributes = [
|
||||
MovedAttribute("urlopen", "urllib2", "urllib.request"),
|
||||
MovedAttribute("install_opener", "urllib2", "urllib.request"),
|
||||
MovedAttribute("build_opener", "urllib2", "urllib.request"),
|
||||
MovedAttribute("pathname2url", "urllib", "urllib.request"),
|
||||
MovedAttribute("url2pathname", "urllib", "urllib.request"),
|
||||
MovedAttribute("getproxies", "urllib", "urllib.request"),
|
||||
MovedAttribute("Request", "urllib2", "urllib.request"),
|
||||
MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
|
||||
MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
|
||||
MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("FileHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
|
||||
MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
|
||||
MovedAttribute("urlretrieve", "urllib", "urllib.request"),
|
||||
MovedAttribute("urlcleanup", "urllib", "urllib.request"),
|
||||
MovedAttribute("URLopener", "urllib", "urllib.request"),
|
||||
MovedAttribute("FancyURLopener", "urllib", "urllib.request"),
|
||||
MovedAttribute("proxy_bypass", "urllib", "urllib.request"),
|
||||
]
|
||||
for attr in _urllib_request_moved_attributes:
|
||||
setattr(Module_six_moves_urllib_request, attr.name, attr)
|
||||
del attr
|
||||
|
||||
Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes
|
||||
|
||||
_importer._add_module(Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"),
|
||||
"moves.urllib_request", "moves.urllib.request")
|
||||
|
||||
|
||||
class Module_six_moves_urllib_response(_LazyModule):
|
||||
|
||||
"""Lazy loading of moved objects in six.moves.urllib_response"""
|
||||
|
||||
|
||||
_urllib_response_moved_attributes = [
|
||||
MovedAttribute("addbase", "urllib", "urllib.response"),
|
||||
MovedAttribute("addclosehook", "urllib", "urllib.response"),
|
||||
MovedAttribute("addinfo", "urllib", "urllib.response"),
|
||||
MovedAttribute("addinfourl", "urllib", "urllib.response"),
|
||||
]
|
||||
for attr in _urllib_response_moved_attributes:
|
||||
setattr(Module_six_moves_urllib_response, attr.name, attr)
|
||||
del attr
|
||||
|
||||
Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes
|
||||
|
||||
_importer._add_module(Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"),
|
||||
"moves.urllib_response", "moves.urllib.response")
|
||||
|
||||
|
||||
class Module_six_moves_urllib_robotparser(_LazyModule):
|
||||
|
||||
"""Lazy loading of moved objects in six.moves.urllib_robotparser"""
|
||||
|
||||
|
||||
_urllib_robotparser_moved_attributes = [
|
||||
MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"),
|
||||
]
|
||||
for attr in _urllib_robotparser_moved_attributes:
|
||||
setattr(Module_six_moves_urllib_robotparser, attr.name, attr)
|
||||
del attr
|
||||
|
||||
Module_six_moves_urllib_robotparser._moved_attributes = _urllib_robotparser_moved_attributes
|
||||
|
||||
_importer._add_module(Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"),
|
||||
"moves.urllib_robotparser", "moves.urllib.robotparser")
|
||||
|
||||
|
||||
class Module_six_moves_urllib(types.ModuleType):
|
||||
|
||||
"""Create a six.moves.urllib namespace that resembles the Python 3 namespace"""
|
||||
__path__ = [] # mark as package
|
||||
parse = _importer._get_module("moves.urllib_parse")
|
||||
error = _importer._get_module("moves.urllib_error")
|
||||
request = _importer._get_module("moves.urllib_request")
|
||||
response = _importer._get_module("moves.urllib_response")
|
||||
robotparser = _importer._get_module("moves.urllib_robotparser")
|
||||
|
||||
def __dir__(self):
|
||||
return ['parse', 'error', 'request', 'response', 'robotparser']
|
||||
|
||||
_importer._add_module(Module_six_moves_urllib(__name__ + ".moves.urllib"),
|
||||
"moves.urllib")
|
||||
|
||||
|
||||
def add_move(move):
|
||||
"""Add an item to six.moves."""
|
||||
setattr(_MovedItems, move.name, move)
|
||||
|
||||
|
||||
def remove_move(name):
|
||||
"""Remove item from six.moves."""
|
||||
try:
|
||||
delattr(_MovedItems, name)
|
||||
except AttributeError:
|
||||
try:
|
||||
del moves.__dict__[name]
|
||||
except KeyError:
|
||||
raise AttributeError("no such move, %r" % (name,))
|
||||
|
||||
|
||||
if PY3:
|
||||
_meth_func = "__func__"
|
||||
_meth_self = "__self__"
|
||||
|
||||
_func_closure = "__closure__"
|
||||
_func_code = "__code__"
|
||||
_func_defaults = "__defaults__"
|
||||
_func_globals = "__globals__"
|
||||
else:
|
||||
_meth_func = "im_func"
|
||||
_meth_self = "im_self"
|
||||
|
||||
_func_closure = "func_closure"
|
||||
_func_code = "func_code"
|
||||
_func_defaults = "func_defaults"
|
||||
_func_globals = "func_globals"
|
||||
|
||||
|
||||
try:
|
||||
advance_iterator = next
|
||||
except NameError:
|
||||
def advance_iterator(it):
|
||||
return it.next()
|
||||
next = advance_iterator
|
||||
|
||||
|
||||
try:
|
||||
callable = callable
|
||||
except NameError:
|
||||
def callable(obj):
|
||||
return any("__call__" in klass.__dict__ for klass in type(obj).__mro__)
|
||||
|
||||
|
||||
if PY3:
|
||||
def get_unbound_function(unbound):
|
||||
return unbound
|
||||
|
||||
create_bound_method = types.MethodType
|
||||
|
||||
def create_unbound_method(func, cls):
|
||||
return func
|
||||
|
||||
Iterator = object
|
||||
else:
|
||||
def get_unbound_function(unbound):
|
||||
return unbound.im_func
|
||||
|
||||
def create_bound_method(func, obj):
|
||||
return types.MethodType(func, obj, obj.__class__)
|
||||
|
||||
def create_unbound_method(func, cls):
|
||||
return types.MethodType(func, None, cls)
|
||||
|
||||
class Iterator(object):
|
||||
|
||||
def next(self):
|
||||
return type(self).__next__(self)
|
||||
|
||||
callable = callable
|
||||
_add_doc(get_unbound_function,
|
||||
"""Get the function out of a possibly unbound function""")
|
||||
|
||||
|
||||
get_method_function = operator.attrgetter(_meth_func)
|
||||
get_method_self = operator.attrgetter(_meth_self)
|
||||
get_function_closure = operator.attrgetter(_func_closure)
|
||||
get_function_code = operator.attrgetter(_func_code)
|
||||
get_function_defaults = operator.attrgetter(_func_defaults)
|
||||
get_function_globals = operator.attrgetter(_func_globals)
|
||||
|
||||
|
||||
if PY3:
|
||||
def iterkeys(d, **kw):
|
||||
return iter(d.keys(**kw))
|
||||
|
||||
def itervalues(d, **kw):
|
||||
return iter(d.values(**kw))
|
||||
|
||||
def iteritems(d, **kw):
|
||||
return iter(d.items(**kw))
|
||||
|
||||
def iterlists(d, **kw):
|
||||
return iter(d.lists(**kw))
|
||||
|
||||
viewkeys = operator.methodcaller("keys")
|
||||
|
||||
viewvalues = operator.methodcaller("values")
|
||||
|
||||
viewitems = operator.methodcaller("items")
|
||||
else:
|
||||
def iterkeys(d, **kw):
|
||||
return d.iterkeys(**kw)
|
||||
|
||||
def itervalues(d, **kw):
|
||||
return d.itervalues(**kw)
|
||||
|
||||
def iteritems(d, **kw):
|
||||
return d.iteritems(**kw)
|
||||
|
||||
def iterlists(d, **kw):
|
||||
return d.iterlists(**kw)
|
||||
|
||||
viewkeys = operator.methodcaller("viewkeys")
|
||||
|
||||
viewvalues = operator.methodcaller("viewvalues")
|
||||
|
||||
viewitems = operator.methodcaller("viewitems")
|
||||
|
||||
_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.")
|
||||
_add_doc(itervalues, "Return an iterator over the values of a dictionary.")
|
||||
_add_doc(iteritems,
|
||||
"Return an iterator over the (key, value) pairs of a dictionary.")
|
||||
_add_doc(iterlists,
|
||||
"Return an iterator over the (key, [values]) pairs of a dictionary.")
|
||||
|
||||
|
||||
if PY3:
|
||||
def b(s):
|
||||
return s.encode("latin-1")
|
||||
|
||||
def u(s):
|
||||
return s
|
||||
unichr = chr
|
||||
import struct
|
||||
int2byte = struct.Struct(">B").pack
|
||||
del struct
|
||||
byte2int = operator.itemgetter(0)
|
||||
indexbytes = operator.getitem
|
||||
iterbytes = iter
|
||||
import io
|
||||
StringIO = io.StringIO
|
||||
BytesIO = io.BytesIO
|
||||
_assertCountEqual = "assertCountEqual"
|
||||
if sys.version_info[1] <= 1:
|
||||
_assertRaisesRegex = "assertRaisesRegexp"
|
||||
_assertRegex = "assertRegexpMatches"
|
||||
else:
|
||||
_assertRaisesRegex = "assertRaisesRegex"
|
||||
_assertRegex = "assertRegex"
|
||||
else:
|
||||
def b(s):
|
||||
return s
|
||||
# Workaround for standalone backslash
|
||||
|
||||
def u(s):
|
||||
return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape")
|
||||
unichr = unichr
|
||||
int2byte = chr
|
||||
|
||||
def byte2int(bs):
|
||||
return ord(bs[0])
|
||||
|
||||
def indexbytes(buf, i):
|
||||
return ord(buf[i])
|
||||
iterbytes = functools.partial(itertools.imap, ord)
|
||||
import StringIO
|
||||
StringIO = BytesIO = StringIO.StringIO
|
||||
_assertCountEqual = "assertItemsEqual"
|
||||
_assertRaisesRegex = "assertRaisesRegexp"
|
||||
_assertRegex = "assertRegexpMatches"
|
||||
_add_doc(b, """Byte literal""")
|
||||
_add_doc(u, """Text literal""")
|
||||
|
||||
|
||||
def assertCountEqual(self, *args, **kwargs):
|
||||
return getattr(self, _assertCountEqual)(*args, **kwargs)
|
||||
|
||||
|
||||
def assertRaisesRegex(self, *args, **kwargs):
|
||||
return getattr(self, _assertRaisesRegex)(*args, **kwargs)
|
||||
|
||||
|
||||
def assertRegex(self, *args, **kwargs):
|
||||
return getattr(self, _assertRegex)(*args, **kwargs)
|
||||
|
||||
|
||||
if PY3:
|
||||
exec_ = getattr(moves.builtins, "exec")
|
||||
|
||||
def reraise(tp, value, tb=None):
|
||||
if value is None:
|
||||
value = tp()
|
||||
if value.__traceback__ is not tb:
|
||||
raise value.with_traceback(tb)
|
||||
raise value
|
||||
|
||||
else:
|
||||
def exec_(_code_, _globs_=None, _locs_=None):
|
||||
"""Execute code in a namespace."""
|
||||
if _globs_ is None:
|
||||
frame = sys._getframe(1)
|
||||
_globs_ = frame.f_globals
|
||||
if _locs_ is None:
|
||||
_locs_ = frame.f_locals
|
||||
del frame
|
||||
elif _locs_ is None:
|
||||
_locs_ = _globs_
|
||||
exec("""exec _code_ in _globs_, _locs_""")
|
||||
|
||||
exec_("""def reraise(tp, value, tb=None):
|
||||
raise tp, value, tb
|
||||
""")
|
||||
|
||||
|
||||
if sys.version_info[:2] == (3, 2):
|
||||
exec_("""def raise_from(value, from_value):
|
||||
if from_value is None:
|
||||
raise value
|
||||
raise value from from_value
|
||||
""")
|
||||
elif sys.version_info[:2] > (3, 2):
|
||||
exec_("""def raise_from(value, from_value):
|
||||
raise value from from_value
|
||||
""")
|
||||
else:
|
||||
def raise_from(value, from_value):
|
||||
raise value
|
||||
|
||||
|
||||
print_ = getattr(moves.builtins, "print", None)
|
||||
if print_ is None:
|
||||
def print_(*args, **kwargs):
|
||||
"""The new-style print function for Python 2.4 and 2.5."""
|
||||
fp = kwargs.pop("file", sys.stdout)
|
||||
if fp is None:
|
||||
return
|
||||
|
||||
def write(data):
|
||||
if not isinstance(data, basestring):
|
||||
data = str(data)
|
||||
# If the file has an encoding, encode unicode with it.
|
||||
if (isinstance(fp, file) and
|
||||
isinstance(data, unicode) and
|
||||
fp.encoding is not None):
|
||||
errors = getattr(fp, "errors", None)
|
||||
if errors is None:
|
||||
errors = "strict"
|
||||
data = data.encode(fp.encoding, errors)
|
||||
fp.write(data)
|
||||
want_unicode = False
|
||||
sep = kwargs.pop("sep", None)
|
||||
if sep is not None:
|
||||
if isinstance(sep, unicode):
|
||||
want_unicode = True
|
||||
elif not isinstance(sep, str):
|
||||
raise TypeError("sep must be None or a string")
|
||||
end = kwargs.pop("end", None)
|
||||
if end is not None:
|
||||
if isinstance(end, unicode):
|
||||
want_unicode = True
|
||||
elif not isinstance(end, str):
|
||||
raise TypeError("end must be None or a string")
|
||||
if kwargs:
|
||||
raise TypeError("invalid keyword arguments to print()")
|
||||
if not want_unicode:
|
||||
for arg in args:
|
||||
if isinstance(arg, unicode):
|
||||
want_unicode = True
|
||||
break
|
||||
if want_unicode:
|
||||
newline = unicode("\n")
|
||||
space = unicode(" ")
|
||||
else:
|
||||
newline = "\n"
|
||||
space = " "
|
||||
if sep is None:
|
||||
sep = space
|
||||
if end is None:
|
||||
end = newline
|
||||
for i, arg in enumerate(args):
|
||||
if i:
|
||||
write(sep)
|
||||
write(arg)
|
||||
write(end)
|
||||
if sys.version_info[:2] < (3, 3):
|
||||
_print = print_
|
||||
|
||||
def print_(*args, **kwargs):
|
||||
fp = kwargs.get("file", sys.stdout)
|
||||
flush = kwargs.pop("flush", False)
|
||||
_print(*args, **kwargs)
|
||||
if flush and fp is not None:
|
||||
fp.flush()
|
||||
|
||||
_add_doc(reraise, """Reraise an exception.""")
|
||||
|
||||
if sys.version_info[0:2] < (3, 4):
|
||||
def wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS,
|
||||
updated=functools.WRAPPER_UPDATES):
|
||||
def wrapper(f):
|
||||
f = functools.wraps(wrapped, assigned, updated)(f)
|
||||
f.__wrapped__ = wrapped
|
||||
return f
|
||||
return wrapper
|
||||
else:
|
||||
wraps = functools.wraps
|
||||
|
||||
|
||||
def with_metaclass(meta, *bases):
|
||||
"""Create a base class with a metaclass."""
|
||||
# This requires a bit of explanation: the basic idea is to make a dummy
|
||||
# metaclass for one level of class instantiation that replaces itself with
|
||||
# the actual metaclass.
|
||||
class metaclass(meta):
|
||||
|
||||
def __new__(cls, name, this_bases, d):
|
||||
return meta(name, bases, d)
|
||||
return type.__new__(metaclass, 'temporary_class', (), {})
|
||||
|
||||
|
||||
def add_metaclass(metaclass):
|
||||
"""Class decorator for creating a class with a metaclass."""
|
||||
def wrapper(cls):
|
||||
orig_vars = cls.__dict__.copy()
|
||||
slots = orig_vars.get('__slots__')
|
||||
if slots is not None:
|
||||
if isinstance(slots, str):
|
||||
slots = [slots]
|
||||
for slots_var in slots:
|
||||
orig_vars.pop(slots_var)
|
||||
orig_vars.pop('__dict__', None)
|
||||
orig_vars.pop('__weakref__', None)
|
||||
return metaclass(cls.__name__, cls.__bases__, orig_vars)
|
||||
return wrapper
|
||||
|
||||
|
||||
def python_2_unicode_compatible(klass):
|
||||
"""
|
||||
A decorator that defines __unicode__ and __str__ methods under Python 2.
|
||||
Under Python 3 it does nothing.
|
||||
|
||||
To support Python 2 and 3 with a single code base, define a __str__ method
|
||||
returning text and apply this decorator to the class.
|
||||
"""
|
||||
if PY2:
|
||||
if '__str__' not in klass.__dict__:
|
||||
raise ValueError("@python_2_unicode_compatible cannot be applied "
|
||||
"to %s because it doesn't define __str__()." %
|
||||
klass.__name__)
|
||||
klass.__unicode__ = klass.__str__
|
||||
klass.__str__ = lambda self: self.__unicode__().encode('utf-8')
|
||||
return klass
|
||||
|
||||
|
||||
# Complete the moves implementation.
|
||||
# This code is at the end of this module to speed up module loading.
|
||||
# Turn this module into a package.
|
||||
__path__ = [] # required for PEP 302 and PEP 451
|
||||
__package__ = __name__ # see PEP 366 @ReservedAssignment
|
||||
if globals().get("__spec__") is not None:
|
||||
__spec__.submodule_search_locations = [] # PEP 451 @UndefinedVariable
|
||||
# Remove other six meta path importers, since they cause problems. This can
|
||||
# happen if six is removed from sys.modules and then reloaded. (Setuptools does
|
||||
# this for some reason.)
|
||||
if sys.meta_path:
|
||||
for i, importer in enumerate(sys.meta_path):
|
||||
# Here's some real nastiness: Another "instance" of the six module might
|
||||
# be floating around. Therefore, we can't use isinstance() to check for
|
||||
# the six meta path importer, since the other six instance will have
|
||||
# inserted an importer with different class.
|
||||
if (type(importer).__name__ == "_SixMetaPathImporter" and
|
||||
importer.name == __name__):
|
||||
del sys.meta_path[i]
|
||||
break
|
||||
del i, importer
|
||||
# Finally, add the importer to the meta path import hook.
|
||||
sys.meta_path.append(_importer)
|
||||
Loading…
Reference in New Issue