Removed django.utils.functional.total_ordering()

1 files changed, 1 insertions, 35 deletions

diff --git a/django/utils/functional.py b/django/utils/functional.py
index 84f4227784..bade67de46 100644
--- a/django/utils/functional.py
+++ b/django/utils/functional.py
@@ -1,7 +1,6 @@
 import copy
 import operator
-import sys
-from functools import wraps
+from functools import total_ordering, wraps
 
 from django.utils import six
 from django.utils.six.moves import copyreg
@@ -385,36 +384,3 @@ def partition(predicate, values):
     for item in values:
         results[predicate(item)].append(item)
     return results
-
-if sys.version_info >= (2, 7, 2):
-    from functools import total_ordering
-else:
-    # For Python < 2.7.2. total_ordering in versions prior to 2.7.2 is buggy.
-    # See http://bugs.python.org/issue10042 for details. For these versions use
-    # code borrowed from Python 2.7.3.
-    def total_ordering(cls):
-        """Class decorator that fills in missing ordering methods"""
-        convert = {
-            '__lt__': [('__gt__', lambda self, other: not (self < other or self == other)),
-                       ('__le__', lambda self, other: self < other or self == other),
-                       ('__ge__', lambda self, other: not self < other)],
-            '__le__': [('__ge__', lambda self, other: not self <= other or self == other),
-                       ('__lt__', lambda self, other: self <= other and not self == other),
-                       ('__gt__', lambda self, other: not self <= other)],
-            '__gt__': [('__lt__', lambda self, other: not (self > other or self == other)),
-                       ('__ge__', lambda self, other: self > other or self == other),
-                       ('__le__', lambda self, other: not self > other)],
-            '__ge__': [('__le__', lambda self, other: (not self >= other) or self == other),
-                       ('__gt__', lambda self, other: self >= other and not self == other),
-                       ('__lt__', lambda self, other: not self >= other)]
-        }
-        roots = set(dir(cls)) & set(convert)
-        if not roots:
-            raise ValueError('must define at least one ordering operation: < > <= >=')
-        root = max(roots)       # prefer __lt__ to __le__ to __gt__ to __ge__
-        for opname, opfunc in convert[root]:
-            if opname not in roots:
-                opfunc.__name__ = opname
-                opfunc.__doc__ = getattr(int, opname).__doc__
-                setattr(cls, opname, opfunc)
-        return cls