Refs #26263 -- Removed deprecated Context.has_key().

django/template/context.py

-import warnings
 from contextlib import contextmanager
 from copy import copy
 
-from django.utils.deprecation import RemovedInDjango20Warning
-
 # Hard-coded processor for easier use of CSRF protection.
 _builtin_context_processors = ('django.template.context_processors.csrf',)
 
@@ -90,13 +87,6 @@ class BaseContext(object):
         "Delete a variable from the current context"
         del self.dicts[-1][key]
 
-    def has_key(self, key):
-        warnings.warn(
-            "%s.has_key() is deprecated in favor of the 'in' operator." % self.__class__.__name__,
-            RemovedInDjango20Warning
-        )
-        return key in self
-
     def __contains__(self, key):
         for d in self.dicts:
             if key in d:

docs/releases/2.0.txt

@@ -345,3 +345,5 @@ these features.
 
 * ``CommaSeparatedIntegerField`` is removed, except for support in historical
   migrations.
+
+* The template ``Context.has_key()`` method is removed.

tests/template_tests/test_context.py

 # -*- coding: utf-8 -*-
-import warnings
-
 from django.http import HttpRequest
 from django.template import (
     Context, Engine, RequestContext, Template, Variable, VariableDoesNotExist,
 )
 from django.template.context import RenderContext
-from django.test import RequestFactory, SimpleTestCase, ignore_warnings
-from django.utils.deprecation import RemovedInDjango20Warning
+from django.test import RequestFactory, SimpleTestCase
 
 
 class ContextTests(SimpleTestCase):
@@ -184,26 +181,6 @@ class ContextTests(SimpleTestCase):
         """
         RequestContext(HttpRequest()).new().new()
 
-    @ignore_warnings(category=RemovedInDjango20Warning)
-    def test_has_key(self):
-        a = Context({'a': 1})
-        b = RequestContext(HttpRequest(), {'a': 1})
-        msg = "Context.has_key() is deprecated in favor of the 'in' operator."
-        msg2 = "RequestContext.has_key() is deprecated in favor of the 'in' operator."
-
-        with warnings.catch_warnings(record=True) as warns:
-            warnings.simplefilter('always')
-            self.assertIs(a.has_key('a'), True)
-            self.assertIs(a.has_key('b'), False)
-            self.assertIs(b.has_key('a'), True)
-            self.assertIs(b.has_key('b'), False)
-
-        self.assertEqual(len(warns), 4)
-        self.assertEqual(str(warns[0].message), msg)
-        self.assertEqual(str(warns[1].message), msg)
-        self.assertEqual(str(warns[2].message), msg2)
-        self.assertEqual(str(warns[3].message), msg2)
-
     def test_set_upward(self):
         c = Context({'a': 1})
         c.set_upward('a', 2)