Added delete option to database storage.

venv/Lib/site-packages/google/cloud/environment_vars.py

@@ -0,0 +1,38 @@
+# Copyright 2015 Google LLC
+#
+# 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.
+
+"""Comprehensive list of environment variables used in google-cloud.
+
+These enable many types of implicit behavior in both production
+and tests.
+"""
+
+GCD_DATASET = "DATASTORE_DATASET"
+"""Environment variable defining default dataset ID under GCD."""
+
+GCD_HOST = "DATASTORE_EMULATOR_HOST"
+"""Environment variable defining host for GCD dataset server."""
+
+PUBSUB_EMULATOR = "PUBSUB_EMULATOR_HOST"
+"""Environment variable defining host for Pub/Sub emulator."""
+
+BIGTABLE_EMULATOR = "BIGTABLE_EMULATOR_HOST"
+"""Environment variable defining host for Bigtable emulator."""
+
+DISABLE_GRPC = "GOOGLE_CLOUD_DISABLE_GRPC"
+"""Environment variable acting as flag to disable gRPC.
+
+To be used for APIs where both an HTTP and gRPC implementation
+exist.
+"""