Gae python version update (#3699)

Author: engelke

appengine/standard_python3/bigquery/app.yaml

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+runtime: python38

appengine/standard_python3/bigquery/main.py

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+# 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_python38_bigquery]
+import concurrent.futures
+
+import flask
+from google.cloud import bigquery
+
+
+app = flask.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
+    """
+    )
+
+    return flask.redirect(
+        flask.url_for(
+            "results",
+            project_id=query_job.project,
+            job_id=query_job.job_id,
+            location=query_job.location,
+        )
+    )
+
+
+@app.route("/results")
+def results():
+    project_id = flask.request.args.get("project_id")
+    job_id = flask.request.args.get("job_id")
+    location = flask.request.args.get("location")
+
+    query_job = bigquery_client.get_job(
+        job_id,
+        project=project_id,
+        location=location,
+    )
+
+    try:
+        # Set a timeout because queries could take longer than one minute.
+        results = query_job.result(timeout=30)
+    except concurrent.futures.TimeoutError:
+        return flask.render_template("timeout.html", job_id=query_job.job_id)
+
+    return flask.render_template("query_result.html", results=results)
+
+
+if __name__ == "__main__":
+    # This is used when running locally only. When deploying to Google App
+    # Engine, a webserver process such as Gunicorn will serve the app. This
+    # can be configured by adding an `entrypoint` to app.yaml.
+    app.run(host="127.0.0.1", port=8080, debug=True)
+# [END gae_python38_bigquery]

appengine/standard_python3/bigquery/main_test.py

@@ -0,0 +1,73 @@
+# 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 concurrent.futures
+from unittest import mock
+
+from google.cloud import bigquery
+import pytest
+
+
+@pytest.fixture
+def flask_client():
+    import main
+
+    main.app.testing = True
+    return main.app.test_client()
+
+
+def test_main(flask_client):
+    r = flask_client.get("/")
+    assert r.status_code == 302
+    assert "/results" in r.headers.get("location", "")
+
+
+def test_results(flask_client, monkeypatch):
+    import main
+
+    fake_job = mock.create_autospec(bigquery.QueryJob)
+    fake_rows = [("example1.com", "42"), ("example2.com", "38")]
+    fake_job.result.return_value = fake_rows
+
+    def fake_get_job(self, job_id, **kwargs):
+        return fake_job
+
+    monkeypatch.setattr(main.bigquery.Client, "get_job", fake_get_job)
+
+    r = flask_client.get(
+        "/results?project_id=123&job_id=456&location=my_location"
+    )
+    response_body = r.data.decode("utf-8")
+
+    assert r.status_code == 200
+    assert "Query Result" in response_body  # verifies header
+    assert "example2.com" in response_body
+    assert "42" in response_body
+
+
+def test_results_timeout(flask_client, monkeypatch):
+    import main
+
+    fake_job = mock.create_autospec(bigquery.QueryJob)
+    fake_job.result.side_effect = concurrent.futures.TimeoutError()
+
+    def fake_get_job(self, job_id, **kwargs):
+        return fake_job
+
+    monkeypatch.setattr(main.bigquery.Client, "get_job", fake_get_job)
+
+    r = flask_client.get("/results", follow_redirects=True)
+
+    assert r.status_code == 200
+    assert "Query Timeout" in r.data.decode("utf-8")

appengine/standard_python3/bigquery/requirements-test.txt

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+pytest==5.3.2

appengine/standard_python3/bigquery/requirements.txt

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+google-cloud-bigquery==1.24.0
+Flask==1.1.2

appengine/standard_python3/bigquery/templates/query_result.html

@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+{#
+Copyright 2019 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
+
+    https://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.
+#}
+<meta charset="utf-8" />
+<title>Query Result</title>
+
+<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>

appengine/standard_python3/bigquery/templates/timeout.html

@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+{#
+Copyright 2019 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
+
+    https://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.
+#}
+<meta charset="utf-8" />
+<title>Query Timeout</title>
+
+<p>Query job {{ job_id }} timed out. 

appengine/standard_python3/building-an-app/building-an-app-1/app.yaml

@@ -0,0 +1,13 @@
+runtime: python38
+
+handlers:
+  # This configures Google App Engine to serve the files in the app's static
+  # directory.
+- url: /static
+  static_dir: static
+
+  # This handler routes all requests not caught above to your main app. It is
+  # required when static routes are defined, but can be omitted (along with
+  # the entire handlers section) when there are no static files defined.
+- url: /.*
+  script: auto

appengine/standard_python3/building-an-app/building-an-app-1/main.py

@@ -0,0 +1,44 @@
+# 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_python38_render_template]
+import datetime
+
+from flask import Flask, render_template
+
+app = Flask(__name__)
+
+
+@app.route('/')
+def root():
+    # For the sake of example, use static information to inflate the template.
+    # This will be replaced with real information in later steps.
+    dummy_times = [datetime.datetime(2018, 1, 1, 10, 0, 0),
+                   datetime.datetime(2018, 1, 2, 10, 30, 0),
+                   datetime.datetime(2018, 1, 3, 11, 0, 0),
+                   ]
+
+    return render_template('index.html', times=dummy_times)
+
+
+if __name__ == '__main__':
+    # This is used when running locally only. When deploying to Google App
+    # Engine, a webserver process such as Gunicorn will serve the app. This
+    # can be configured by adding an `entrypoint` to app.yaml.
+    # Flask's development server will automatically serve static files in
+    # the "static" directory. See:
+    # http://flask.pocoo.org/docs/1.0/quickstart/#static-files. Once deployed,
+    # App Engine itself will serve those files as configured in app.yaml.
+    app.run(host='127.0.0.1', port=8080, debug=True)
+# [START gae_python38_render_template]

appengine/standard_python3/building-an-app/building-an-app-1/main_test.py

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+# Copyright 2015 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.
+
+import main
+
+
+def test_index():
+    main.app.testing = True
+    client = main.app.test_client()
+
+    r = client.get('/')
+    assert r.status_code == 200

appengine/standard_python3/building-an-app/building-an-app-1/requirements-test.txt

@@ -0,0 +1 @@
+pytest==5.3.2

appengine/standard_python3/building-an-app/building-an-app-1/requirements.txt

@@ -0,0 +1 @@
+Flask==1.1.2

appengine/standard_python3/building-an-app/building-an-app-1/static/script.js

@@ -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.
+ */
+ 
+// [START gae_python38_log]
+'use strict';
+
+window.addEventListener('load', function () {
+
+  console.log("Hello World!");
+
+});
+// [END gae_python38_log]

appengine/standard_python3/building-an-app/building-an-app-1/static/style.css

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+body {
+  font-family: "helvetica", sans-serif;
+  text-align: center;
+}

appengine/standard_python3/building-an-app/building-an-app-1/templates/index.html

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+<!doctype html>
+<html>
+<head>
+  <title>Datastore and Firebase Auth Example</title>
+  <script src="{{ url_for('static', filename='script.js') }}"></script>
+  <link type="text/css" rel="stylesheet" href="{{ url_for('static', filename='style.css') }}">
+</head>
+<body>
+
+  <h1>Datastore and Firebase Auth Example</h1>
+
+  <h2>Last 10 visits</h2>
+  {% for time in times %}
+    <p>{{ time }}</p>
+  {% endfor %}
+
+</body>
+</html>

appengine/standard_python3/building-an-app/building-an-app-2/app.yaml

@@ -0,0 +1,13 @@
+runtime: python38
+
+handlers:
+  # This configures Google App Engine to serve the files in the app's static
+  # directory.
+- url: /static
+  static_dir: static
+
+  # This handler routes all requests not caught above to your main app. It is
+  # required when static routes are defined, but can be omitted (along with
+  # the entire handlers section) when there are no static files defined.
+- url: /.*
+  script: auto