Add sample for using BigQuery in App Engine Python 3.7 runtime (GoogleCloudPlatform#1752)

chenyumic · web-flow · commit 1ca556562c56 · 2018-10-24T14:04:47.000-07:00
* Add sample for using BigQuery in App Engine Python 3.7 runtime

* Added app.yaml.

* Minor fix.
diff --git a/appengine/standard_python37/bigquery/app.yaml b/appengine/standard_python37/bigquery/app.yaml
@@ -0,0 +1 @@
+runtime: python37
diff --git a/appengine/standard_python37/bigquery/main.py b/appengine/standard_python37/bigquery/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.
+
+# [START gae_python37_bigquery]
+from flask import Flask, render_template
+from google.cloud import bigquery
+
+app = Flask(__name__)
+bigquery_client = bigquery.Client()
+
+
+@app.route('/')
+def main():
+    query_job = bigquery_client.query("""
+        SELECT
+        CONCAT(
+            'https://stackoverflow.com/questions/',
+            CAST(id as STRING)) as url,
+        view_count
+        FROM `bigquery-public-data.stackoverflow.posts_questions`
+        WHERE tags like '%google-bigquery%'
+        ORDER BY view_count DESC
+        LIMIT 10
+    """)
+
+    results = query_job.result()
+    return render_template('query_result.html', results=results)
+
+
+if __name__ == '__main__':
+    app.run(debug=True)
+# [END gae_python37_bigquery]
diff --git a/appengine/standard_python37/bigquery/main_test.py b/appengine/standard_python37/bigquery/main_test.py
@@ -0,0 +1,24 @@
+# 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.
+
+
+def test_main():
+    import main
+
+    main.app.testing = True
+    client = main.app.test_client()
+
+    r = client.get('/')
+    assert r.status_code == 200
+    assert 'Query Result' in r.data.decode('utf-8')
diff --git a/appengine/standard_python37/bigquery/requirements.txt b/appengine/standard_python37/bigquery/requirements.txt
@@ -0,0 +1,2 @@
+google-cloud-bigquery==1.6.0
+Flask==1.0.2
diff --git a/appengine/standard_python37/bigquery/templates/query_result.html b/appengine/standard_python37/bigquery/templates/query_result.html
@@ -0,0 +1,21 @@
+<!doctype <!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8" />
+    <title>Query Result</title>
+</head>
+<body>
+    <table>
+        <tr>
+            <th>URL</th>
+            <th>View Count</th>
+        </tr>
+        {% for result in results %}
+        <tr>
+            <td>{{ result[0] }}</td>
+            <td>{{ result[1] }}</td>
+        </tr>
+        {% endfor %}
+    </table>
+</body>
+</html>

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+google-cloud-bigquery==1.6.0`
	`2`	`+Flask==1.0.2`