Removed warnings level handling code as per deprecation TL.

django/test/testcases.py

@@ -162,10 +162,6 @@ class SimpleTestCase(ut2.TestCase):
     # Can be overridden in derived classes.
     client_class = Client
 
-    _warn_txt = ("save_warnings_state/restore_warnings_state "
-        "django.test.*TestCase methods are deprecated. Use Python's "
-        "warnings.catch_warnings context manager instead.")
-
     def __call__(self, result=None):
         """
         Wrapper around default __call__ method to perform common Django test
@@ -225,21 +221,6 @@ class SimpleTestCase(ut2.TestCase):
             settings.ROOT_URLCONF = self._old_root_urlconf
             clear_url_caches()
 
-    def save_warnings_state(self):
-        """
-        Saves the state of the warnings module
-        """
-        warnings.warn(self._warn_txt, DeprecationWarning, stacklevel=2)
-        self._warnings_state = warnings.filters[:]
-
-    def restore_warnings_state(self):
-        """
-        Restores the state of the warnings module to the state
-        saved by save_warnings_state()
-        """
-        warnings.warn(self._warn_txt, DeprecationWarning, stacklevel=2)
-        warnings.filters = self._warnings_state[:]
-
     def settings(self, **kwargs):
         """
         A context manager that temporarily sets a setting and reverts

django/test/utils.py

@@ -124,31 +124,6 @@ def teardown_test_environment():
     del mail.outbox
 
 
-warn_txt = ("get_warnings_state/restore_warnings_state functions from "
-    "django.test.utils are deprecated. Use Python's warnings.catch_warnings() "
-    "context manager instead.")
-
-
-def get_warnings_state():
-    """
-    Returns an object containing the state of the warnings module
-    """
-    # There is no public interface for doing this, but this implementation of
-    # get_warnings_state and restore_warnings_state appears to work on Python
-    # 2.4 to 2.7.
-    warnings.warn(warn_txt, DeprecationWarning, stacklevel=2)
-    return warnings.filters[:]
-
-
-def restore_warnings_state(state):
-    """
-    Restores the state of the warnings module when passed an object that was
-    returned by get_warnings_state()
-    """
-    warnings.warn(warn_txt, DeprecationWarning, stacklevel=2)
-    warnings.filters = state[:]
-
-
 def get_runner(settings, test_runner_class=None):
     if not test_runner_class:
         test_runner_class = settings.TEST_RUNNER

tests/test_utils/tests.py

@@ -270,37 +270,6 @@ class AssertTemplateUsedContextManagerTests(TestCase):
                 render_to_string('template_used/alternative.html')
 
 
-class SaveRestoreWarningState(TestCase):
-    def test_save_restore_warnings_state(self):
-        """
-        Ensure save_warnings_state/restore_warnings_state work correctly.
-        """
-        # In reality this test could be satisfied by many broken implementations
-        # of save_warnings_state/restore_warnings_state (e.g. just
-        # warnings.resetwarnings()) , but it is difficult to test more.
-        with warnings.catch_warnings():
-            warnings.simplefilter("ignore", DeprecationWarning)
-
-            self.save_warnings_state()
-
-            class MyWarning(Warning):
-                pass
-
-            # Add a filter that causes an exception to be thrown, so we can catch it
-            warnings.simplefilter("error", MyWarning)
-            self.assertRaises(Warning, lambda: warnings.warn("warn", MyWarning))
-
-            # Now restore.
-            self.restore_warnings_state()
-            # After restoring, we shouldn't get an exception. But we don't want a
-            # warning printed either, so we have to silence the warning.
-            warnings.simplefilter("ignore", MyWarning)
-            warnings.warn("warn", MyWarning)
-
-            # Remove the filter we just added.
-            self.restore_warnings_state()
-
-
 class HTMLEqualTests(TestCase):
     def test_html_parser(self):
         element = parse_html('<div><p>Hello</p></div>')