[1.4.x] Fixed #24081 -- Downgraded six to 1.8.0.

This reverts commit a25c444bc7.

six 1.9+ requires Python 2.6 so this commit restores Python 2.5 compatibility.
This commit is contained in:
Tim Graham 2015-01-05 13:13:34 -05:00
parent 032ffade8a
commit 2fd8054fda
3 changed files with 35 additions and 84 deletions

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@ -1,6 +1,6 @@
"""Utilities for writing code that runs on Python 2 and 3"""
# Copyright (c) 2010-2015 Benjamin Peterson
# Copyright (c) 2010-2014 Benjamin Peterson
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
@ -23,13 +23,12 @@
from __future__ import absolute_import
import functools
import itertools
import operator
import sys
import types
__author__ = "Benjamin Peterson <benjamin@python.org>"
__version__ = "1.9.0"
__version__ = "1.8.0"
# Useful for very coarse version differentiation.
@ -89,12 +88,8 @@ class _LazyDescr(object):
def __get__(self, obj, tp):
result = self._resolve()
setattr(obj, self.name, result) # Invokes __set__.
try:
# This is a bit ugly, but it avoids running this again by
# removing this descriptor.
delattr(obj.__class__, self.name)
except AttributeError:
pass
# This is a bit ugly, but it avoids running this again.
delattr(obj.__class__, self.name)
return result
@ -559,12 +554,6 @@ if PY3:
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 iter(d.iterkeys(**kw))
@ -578,12 +567,6 @@ else:
def iterlists(d, **kw):
return iter(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,
@ -610,9 +593,6 @@ if PY3:
import io
StringIO = io.StringIO
BytesIO = io.BytesIO
_assertCountEqual = "assertCountEqual"
_assertRaisesRegex = "assertRaisesRegex"
_assertRegex = "assertRegex"
else:
def b(s):
return s
@ -625,28 +605,14 @@ else:
return ord(bs[0])
def indexbytes(buf, i):
return ord(buf[i])
iterbytes = functools.partial(itertools.imap, ord)
def iterbytes(buf):
return (ord(byte) for byte in buf)
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")
@ -677,21 +643,6 @@ else:
""")
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):
@ -746,14 +697,6 @@ if print_ is None:
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.""")
@ -761,7 +704,7 @@ 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 = functools.wraps(wrapped)(f)
f.__wrapped__ = wrapped
return f
return wrapper
@ -794,25 +737,6 @@ def add_metaclass(metaclass):
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.
@ -841,12 +765,24 @@ sys.meta_path.append(_importer)
### Additional customizations for Django ###
if PY3:
_assertRaisesRegex = "assertRaisesRegex"
_assertRegex = "assertRegex"
memoryview = memoryview
else:
# memoryview and buffer are not strictly equivalent, but should be fine for
_assertRaisesRegex = "assertRaisesRegexp"
_assertRegex = "assertRegexpMatches"
# memoryview and buffer are not stricly equivalent, but should be fine for
# django core usage (mainly BinaryField). However, Jython doesn't support
# buffer (see http://bugs.jython.org/issue1521), so we have to be careful.
if sys.platform.startswith('java'):
memoryview = memoryview
else:
memoryview = buffer
def assertRaisesRegex(self, *args, **kwargs):
return getattr(self, _assertRaisesRegex)(*args, **kwargs)
def assertRegex(self, *args, **kwargs):
return getattr(self, _assertRegex)(*args, **kwargs)

14
docs/releases/1.4.18.txt Normal file
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@ -0,0 +1,14 @@
===========================
Django 1.4.18 release notes
===========================
*Under development*
Django 1.4.18 fixes a regression on Python 2.5 in the 1.4.17 release.
Bugfixes
========
* To maintain compatibility with Python 2.5, Django's vendored version of six,
:mod:`django.utils.six`, has been downgraded to 1.8.0 which is the last
version to support Python 2.5.

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@ -19,6 +19,7 @@ Final releases
.. toctree::
:maxdepth: 1
1.4.18
1.4.17
1.4.16
1.4.15