Add samples for Redis Labs redis for standard py37 (GoogleCloudPlatform#1628)

andrewsg · web-flow · commit 603bfc089bab · 2018-08-16T14:47:22.000-07:00
diff --git a/appengine/standard_python37/redis/app.yaml b/appengine/standard_python37/redis/app.yaml
@@ -0,0 +1,6 @@
+runtime: python37
+
+env_variables:
+    REDIS_HOST: your-redis-host
+    REDIS_PORT: your-redis-port
+    REDIS_PASSWORD: your-redis-password
diff --git a/appengine/standard_python37/redis/main.py b/appengine/standard_python37/redis/main.py
@@ -0,0 +1,43 @@
+# Copyright 2018 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.
+
+import os
+
+from flask import Flask
+import redis
+
+
+app = Flask(__name__)
+
+
+# [START gae_py37_redis_client]
+redis_host = os.environ.get('REDIS_HOST', 'localhost')
+redis_port = int(os.environ.get('REDIS_PORT', 6379))
+redis_password = os.environ.get('REDIS_PASSWORD', None)
+redis_client = redis.StrictRedis(
+    host=redis_host, port=redis_port, password=redis_password)
+# [END gae_py37_redis_client]
+
+
+# [START gae_py37_redis_example]
+@app.route('/')
+def index():
+    value = redis_client.incr('counter', 1)
+    return 'Value is {}'.format(value)
+# [END gae_py37_redis_example]
+
+
+if __name__ == '__main__':
+    # This is used when running locally.
+    app.run(host='127.0.0.1', port=8080, debug=True)
diff --git a/appengine/standard_python37/redis/main_test.py b/appengine/standard_python37/redis/main_test.py
@@ -0,0 +1,35 @@
+# Copyright 2018 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.
+
+import pytest
+
+import main
+
+
+def test_index():
+    try:
+        main.redis_client.set('counter', 0)
+    except Exception:
+        pytest.skip('Redis is unavailable.')
+
+    main.app.testing = True
+    client = main.app.test_client()
+
+    r = client.get('/')
+    assert r.status_code == 200
+    assert '1' in r.data.decode('utf-8')
+
+    r = client.get('/')
+    assert r.status_code == 200
+    assert '2' in r.data.decode('utf-8')
diff --git a/appengine/standard_python37/redis/requirements.txt b/appengine/standard_python37/redis/requirements.txt
@@ -0,0 +1,2 @@
+Flask==1.0.2
+redis==2.10.6
