Added delete option to database storage.

venv/Lib/site-packages/googleapiclient/discovery_cache/__init__.py

@@ -0,0 +1,49 @@
+# Copyright 2014 Google Inc. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Caching utility for the discovery document."""
+
+from __future__ import absolute_import
+
+import logging
+import datetime
+import os
+
+LOGGER = logging.getLogger(__name__)
+
+DISCOVERY_DOC_MAX_AGE = 60 * 60 * 24  # 1 day
+
+
+def autodetect():
+    """Detects an appropriate cache module and returns it.
+
+  Returns:
+    googleapiclient.discovery_cache.base.Cache, a cache object which
+    is auto detected, or None if no cache object is available.
+  """
+    if 'APPENGINE_RUNTIME' in os.environ:
+        try:
+            from google.appengine.api import memcache
+            from . import appengine_memcache
+
+            return appengine_memcache.cache
+        except Exception:
+            pass
+    try:
+        from . import file_cache
+
+        return file_cache.cache
+    except Exception as e:
+        LOGGER.warning(e, exc_info=True)
+        return None