Added missing dependency six.py
OzzieIsaacs
8 years ago
parent
ba44a15891
commit
580389d279
@ -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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class Module_six_moves_urllib_parse(_LazyModule):
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"""Lazy loading of moved objects in six.moves.urllib_parse"""
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_urllib_parse_moved_attributes = [
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MovedAttribute("ParseResult", "urlparse", "urllib.parse"),
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MovedAttribute("SplitResult", "urlparse", "urllib.parse"),
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MovedAttribute("parse_qs", "urlparse", "urllib.parse"),
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MovedAttribute("parse_qsl", "urlparse", "urllib.parse"),
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MovedAttribute("urldefrag", "urlparse", "urllib.parse"),
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MovedAttribute("urljoin", "urlparse", "urllib.parse"),
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MovedAttribute("urlparse", "urlparse", "urllib.parse"),
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MovedAttribute("urlsplit", "urlparse", "urllib.parse"),
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MovedAttribute("urlunparse", "urlparse", "urllib.parse"),
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MovedAttribute("urlunsplit", "urlparse", "urllib.parse"),
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MovedAttribute("quote", "urllib", "urllib.parse"),
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MovedAttribute("quote_plus", "urllib", "urllib.parse"),
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MovedAttribute("unquote", "urllib", "urllib.parse"),
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MovedAttribute("unquote_plus", "urllib", "urllib.parse"),
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MovedAttribute("urlencode", "urllib", "urllib.parse"),
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MovedAttribute("splitquery", "urllib", "urllib.parse"),
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MovedAttribute("splittag", "urllib", "urllib.parse"),
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MovedAttribute("splituser", "urllib", "urllib.parse"),
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MovedAttribute("uses_fragment", "urlparse", "urllib.parse"),
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MovedAttribute("uses_netloc", "urlparse", "urllib.parse"),
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MovedAttribute("uses_params", "urlparse", "urllib.parse"),
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MovedAttribute("uses_query", "urlparse", "urllib.parse"),
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MovedAttribute("uses_relative", "urlparse", "urllib.parse"),
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]
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for attr in _urllib_parse_moved_attributes:
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setattr(Module_six_moves_urllib_parse, attr.name, attr)
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del attr
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Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes
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_importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"),
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"moves.urllib_parse", "moves.urllib.parse")
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class Module_six_moves_urllib_error(_LazyModule):
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"""Lazy loading of moved objects in six.moves.urllib_error"""
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_urllib_error_moved_attributes = [
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MovedAttribute("URLError", "urllib2", "urllib.error"),
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MovedAttribute("HTTPError", "urllib2", "urllib.error"),
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MovedAttribute("ContentTooShortError", "urllib", "urllib.error"),
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]
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for attr in _urllib_error_moved_attributes:
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setattr(Module_six_moves_urllib_error, attr.name, attr)
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del attr
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Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes
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_importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"),
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"moves.urllib_error", "moves.urllib.error")
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class Module_six_moves_urllib_request(_LazyModule):
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"""Lazy loading of moved objects in six.moves.urllib_request"""
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_urllib_request_moved_attributes = [
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MovedAttribute("urlopen", "urllib2", "urllib.request"),
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MovedAttribute("install_opener", "urllib2", "urllib.request"),
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MovedAttribute("build_opener", "urllib2", "urllib.request"),
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MovedAttribute("pathname2url", "urllib", "urllib.request"),
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MovedAttribute("url2pathname", "urllib", "urllib.request"),
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MovedAttribute("getproxies", "urllib", "urllib.request"),
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MovedAttribute("Request", "urllib2", "urllib.request"),
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MovedAttribute("OpenerDirector", "urllib2", "urllib.request"),
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MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"),
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MovedAttribute("ProxyHandler", "urllib2", "urllib.request"),
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MovedAttribute("BaseHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"),
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MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"),
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MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"),
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MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"),
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MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"),
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MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"),
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MovedAttribute("FileHandler", "urllib2", "urllib.request"),
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MovedAttribute("FTPHandler", "urllib2", "urllib.request"),
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MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"),
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MovedAttribute("UnknownHandler", "urllib2", "urllib.request"),
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MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"),
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MovedAttribute("urlretrieve", "urllib", "urllib.request"),
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MovedAttribute("urlcleanup", "urllib", "urllib.request"),
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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