Add numpy Flexible example

Bill Prin · Bill Prin · commit f0b17a557cf6 · 2016-08-17T10:45:34.000-07:00
diff --git a/appengine/flexible/numpy/app.yaml b/appengine/flexible/numpy/app.yaml
@@ -0,0 +1,6 @@
+runtime: python
+vm: true
+entrypoint: gunicorn -b :$PORT main:app
+
+runtime_config:
+  python_version: 3
diff --git a/appengine/flexible/numpy/main.py b/appengine/flexible/numpy/main.py
@@ -0,0 +1,49 @@
+# Copyright 2016 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 logging
+
+from flask import Flask
+import numpy as np
+
+app = Flask(__name__)
+
+
+# [START numpy]
+@app.route('/')
+def calculate():
+    return_str = ''
+    x = np.array([[1, 2], [3, 4]])
+    y = np.array([[5, 6], [7, 8]])
+
+    return_str += 'x: {} , y: {}<br />'.format(str(x), str(y))
+
+    # Multiply matrices
+    return_str += 'x dot y : {}'.format(str(np.dot(x, y)))
+    return return_str
+# [END numpy]
+
+
+@app.errorhandler(500)
+def server_error(e):
+    logging.exception('An error occurred during a request.')
+    return """
+    An internal error occurred: <pre>{}</pre>
+    See logs for full stacktrace.
+    """.format(e), 500
+
+if __name__ == '__main__':
+    # This is used when running locally. Gunicorn is used to run the
+    # application on Google App Engine. See entrypoint in app.yaml.
+    app.run(host='127.0.0.1', port=8080, debug=True)
diff --git a/appengine/flexible/numpy/main_test.py b/appengine/flexible/numpy/main_test.py
@@ -0,0 +1,24 @@
+# Copyright 2016 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
+    assert '[[19 22]\n [43 50]]' in r.data.decode('utf-8')
diff --git a/appengine/flexible/numpy/requirements.txt b/appengine/flexible/numpy/requirements.txt
@@ -0,0 +1,3 @@
+Flask==0.11.1
+gunicorn==19.6.0
+numpy==1.11.1
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -22,6 +22,7 @@ mailjet-rest==v1.2.2
 mock==2.0.0
 mysql-python==1.2.5; python_version == '2.7'
 mysqlclient==1.3.7
+numpy==1.11.1
 oauth2client==3.0.0
 Pillow==3.3.0
 pyasn1-modules==0.0.8

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+Flask==0.11.1`
	`2`	`+gunicorn==19.6.0`
	`3`	`+numpy==1.11.1`