Refs #23919 -- Removed obsolete __ne__() methods.

__ne__() defaults to the opposite of __eq__() on Python 3
when it doesn't return NotImplemented.

django/contrib/auth/models.py

@@ -391,9 +391,6 @@ class AnonymousUser(object):
     def __eq__(self, other):
         return isinstance(other, self.__class__)
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
     def __hash__(self):
         return 1  # instances always return the same hash value
 

django/contrib/gis/gdal/geometries.py

@@ -179,10 +179,6 @@ class OGRGeometry(GDALBase):
         else:
             return False
 
-    def __ne__(self, other):
-        "Tests for inequality."
-        return not (self == other)
-
     def __str__(self):
         "WKT is used for the string representation."
         return self.wkt

django/contrib/gis/gdal/geomtype.py

@@ -68,9 +68,6 @@ class OGRGeomType(object):
         else:
             return False
 
-    def __ne__(self, other):
-        return not (self == other)
-
     @property
     def name(self):
         "Returns a short-hand string form of the OGR Geometry type."

django/contrib/gis/geos/geometry.py

@@ -177,10 +177,6 @@ class GEOSGeometry(GEOSBase, ListMixin):
         else:
             return False
 
-    def __ne__(self, other):
-        "The not equals operator."
-        return not (self == other)
-
     # ### Geometry set-like operations ###
     # Thanks to Sean Gillies for inspiration:
     #  http://lists.gispython.org/pipermail/community/2007-July/001034.html

django/contrib/postgres/validators.py

@@ -66,9 +66,6 @@ class KeysValidator(object):
             self.strict == other.strict
         )
 
-    def __ne__(self, other):
-        return not (self == other)
-
 
 class RangeMaxValueValidator(MaxValueValidator):
     def compare(self, a, b):

django/core/cache/__init__.py

@@ -110,9 +110,6 @@ class DefaultCacheProxy(object):
     def __eq__(self, other):
         return caches[DEFAULT_CACHE_ALIAS] == other
 
-    def __ne__(self, other):
-        return caches[DEFAULT_CACHE_ALIAS] != other
-
 
 cache = DefaultCacheProxy()
 

django/core/checks/messages.py

@@ -25,9 +25,6 @@ class CheckMessage(object):
                 for attr in ['level', 'msg', 'hint', 'obj', 'id'])
         )
 
-    def __ne__(self, other):
-        return not (self == other)
-
     def __str__(self):
         from django.db import models
 

django/core/validators.py

@@ -68,9 +68,6 @@ class RegexValidator(object):
             (self.inverse_match == other.inverse_match)
         )
 
-    def __ne__(self, other):
-        return not (self == other)
-
 
 @deconstructible
 class URLValidator(RegexValidator):

django/db/__init__.py

@@ -41,9 +41,6 @@ class DefaultConnectionProxy(object):
     def __eq__(self, other):
         return connections[DEFAULT_DB_ALIAS] == other
 
-    def __ne__(self, other):
-        return connections[DEFAULT_DB_ALIAS] != other
-
 
 connection = DefaultConnectionProxy()
 

django/db/migrations/migration.py

@@ -62,9 +62,6 @@ class Migration(object):
             return False
         return (self.name == other.name) and (self.app_label == other.app_label)
 
-    def __ne__(self, other):
-        return not (self == other)
-
     def __repr__(self):
         return "<Migration %s.%s>" % (self.app_label, self.name)
 

django/db/migrations/state.py

@@ -233,9 +233,6 @@ class ProjectState(object):
             return False
         return all(model == other.models[key] for key, model in self.models.items())
 
-    def __ne__(self, other):
-        return not (self == other)
-
 
 class AppConfigStub(AppConfig):
     """
@@ -626,6 +623,3 @@ class ModelState(object):
             (self.bases == other.bases) and
             (self.managers == other.managers)
         )
-
-    def __ne__(self, other):
-        return not (self == other)

django/db/models/base.py

@@ -520,9 +520,6 @@ class Model(metaclass=ModelBase):
             return self is other
         return my_pk == other._get_pk_val()
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
     def __hash__(self):
         if self._get_pk_val() is None:
             raise TypeError("Model instances without primary key value are unhashable")

django/db/models/fields/files.py

@@ -28,9 +28,6 @@ class FieldFile(File):
             return self.name == other.name
         return self.name == other
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
     def __hash__(self):
         return hash(self.name)
 

django/db/models/indexes.py

@@ -117,6 +117,3 @@ class Index(object):
 
     def __eq__(self, other):
         return (self.__class__ == other.__class__) and (self.deconstruct() == other.deconstruct())
-
-    def __ne__(self, other):
-        return not (self == other)

django/db/models/manager.py

@@ -160,9 +160,6 @@ class BaseManager(object):
             self._constructor_args == other._constructor_args
         )
 
-    def __ne__(self, other):
-        return not (self == other)
-
     def __hash__(self):
         return id(self)
 

django/forms/utils.py

@@ -133,9 +133,6 @@ class ErrorList(UserList, list):
     def __eq__(self, other):
         return list(self) == other
 
-    def __ne__(self, other):
-        return list(self) != other
-
     def __getitem__(self, i):
         error = self.data[i]
         if isinstance(error, ValidationError):

django/template/base.py

@@ -140,9 +140,6 @@ class Origin(object):
             self.loader == other.loader
         )
 
-    def __ne__(self, other):
-        return not self.__eq__(other)
-
     @property
     def loader_name(self):
         if self.loader:

django/test/html.py

@@ -81,9 +81,6 @@ class Element(object):
     def __hash__(self):
         return hash((self.name,) + tuple(a for a in self.attributes))
 
-    def __ne__(self, element):
-        return not self.__eq__(element)
-
     def _count(self, element, count=True):
         if not isinstance(element, str):
             if self == element:

django/utils/functional.py

@@ -126,11 +126,6 @@ def lazy(func, *resultclasses):
             # a __str__() method from the proxied class.
             return str(self.__cast())
 
-        def __ne__(self, other):
-            if isinstance(other, Promise):
-                other = other.__cast()
-            return self.__cast() != other
-
         def __eq__(self, other):
             if isinstance(other, Promise):
                 other = other.__cast()