Fixes #15721 -- Make {% include %} and RequestContext work together again.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16031 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 16 insertions, 20 deletions

diff --git a/django/template/context.py b/django/template/context.py
index bcfaa3bf9e..acc5758f75 100644
--- a/django/template/context.py
+++ b/django/template/context.py
@@ -14,21 +14,16 @@ class ContextPopException(Exception):
     "pop() has been called more times than push()"
     pass
 
-class EmptyClass(object):
-    # No-op class which takes no args to its __init__ method, to help implement
-    # __copy__
-    pass
-
 class BaseContext(object):
     def __init__(self, dict_=None):
-        dict_ = dict_ or {}
-        self.dicts = [dict_]
+        self._reset_dicts(dict_)
+
+    def _reset_dicts(self, value=None):
+        self.dicts = [value or {}]
 
     def __copy__(self):
-        duplicate = EmptyClass()
-        duplicate.__class__ = self.__class__
-        duplicate.__dict__ = self.__dict__.copy()
-        duplicate.dicts = duplicate.dicts[:]
+        duplicate = copy(super(BaseContext, self))
+        duplicate.dicts = self.dicts[:]
         return duplicate
 
     def __repr__(self):
@@ -78,6 +73,15 @@ class BaseContext(object):
                 return d[key]
         return otherwise
 
+    def new(self, values=None):
+        """
+        Returns a new context with the same properties, but with only the
+        values given in 'values' stored.
+        """
+        new_context = copy(self)
+        new_context._reset_dicts(values)
+        return new_context
+
 class Context(BaseContext):
     "A stack container for variable context"
     def __init__(self, dict_=None, autoescape=True, current_app=None, use_l10n=None):
@@ -88,7 +92,7 @@ class Context(BaseContext):
         super(Context, self).__init__(dict_)
 
     def __copy__(self):
-        duplicate = super(Context, self).__copy__()
+        duplicate = copy(super(Context, self))
         duplicate.render_context = copy(self.render_context)
         return duplicate
 
@@ -99,14 +103,6 @@ class Context(BaseContext):
         self.dicts.append(other_dict)
         return other_dict
 
-    def new(self, values=None):
-        """
-        Returns a new Context with the same 'autoescape' value etc, but with
-        only the values given in 'values' stored.
-        """
-        return self.__class__(dict_=values, autoescape=self.autoescape,
-                              current_app=self.current_app, use_l10n=self.use_l10n)
-
 class RenderContext(BaseContext):
     """
     A stack container for storing Template state.