Folderizing the repository.

.gitignore

@@ -0,0 +1,29 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Distribution / packaging
+.Python
+env/
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+
+*.log
+
+lib/
+*.internal
+secrets.tar.gz
+client_secret.json

.travis.yml

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+sudo: false
+language: python
+env:
+  matrix:
+  - STEP=1-hello-world
+  - STEP=2-structured-data
+  - STEP=3-binary-data
+  - STEP=4-auth
+  - STEP=5-logging
+  - STEP=6-pubsub
+  - STEP=7-gce
+  global:
+  - GOOGLE_APPLICATION_CREDENTIALS=$TRAVIS_BUILD_DIR/client-secret.json
+before_install:
+- openssl aes-256-cbc -K $encrypted_82d8befc5c58_key -iv $encrypted_82d8befc5c58_iv
+  -in secrets.tar.gz.enc -out secrets.tar.gz -d
+- tar -xzf secrets.tar.gz
+- pip install tox
+before_script:
+- echo $GOOGLE_APPLICATION_CREDENTIALS
+- ls $TRAVIS_BUILD_DIR
+- cp config.py $TRAVIS_BUILD_DIR/$STEP
+- cd $TRAVIS_BUILD_DIR/$STEP
+script:
+- tox

1-hello-world/.dockerignore

@@ -0,0 +1,17 @@
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+env
+pip-log.txt
+pip-delete-this-directory.txt
+.tox
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+*.log
+.git

1-hello-world/Dockerfile

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+# Copyright 2015 Google Inc.
+#
+# 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 docker]
+# The Google App Engine python runtime is Debian Jessie with Python installed
+# and various os-level packages to allow installation of popular Python
+# libraries. The source is on github at:
+#   https://github.com/GoogleCloudPlatform/python-docker
+FROM gcr.io/google_appengine/python
+
+# Create a virtualenv for the application dependencies.
+# If you want to use Python 3, add the -p python3.4 flag.
+RUN virtualenv /env
+
+# Set virtualenv environment variables. This is equivalent to running
+# source /env/bin/activate. This ensures the application is executed within
+# the context of the virtualenv and will have access to its dependencies.
+ENV VIRTUAL_ENV /env
+ENV PATH /env/bin:$PATH
+
+# Install dependencies.
+ADD requirements.txt /app/requirements.txt
+RUN pip install -r /app/requirements.txt
+
+# Add application code.
+ADD . /app
+
+# Use Gunicorn to serve the application.
+CMD gunicorn -b :$PORT main:app
+# [END docker]

1-hello-world/app.yaml

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+# Copyright 2015 Google Inc.
+#
+# 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.
+
+# This file specifies your Python application's runtime configuration
+# including URL routing, versions, static file uploads, etc. See
+# https://developers.google.com/appengine/docs/python/config/appconfig
+# for details.
+
+# TODO: Enter your application id below. If you have signed up
+# using cloud.google.com/console use the "project id" for your application
+# id.
+
+# [START runtime]
+runtime: custom
+vm: true
+entrypoint: custom
+# [END runtime]
+
+# Temporary setting to keep gcloud from uploading the virtualenv
+skip_files:
+ - ^v?env$

1-hello-world/main.py

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+# Copyright 2015 Google Inc.
+#
+# 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 app]
+from flask import Flask
+
+
+app = Flask(__name__)
+
+
+@app.route('/')
+def hello():
+    """Return a friendly HTTP greeting."""
+    return 'Hello World!'
+
+
+if __name__ == '__main__':
+    app.run(host='127.0.0.1', port=8080)
+# [END app]

1-hello-world/requirements.txt

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+Flask==0.10.1
+gunicorn==19.3.0

1-hello-world/tox.ini

@@ -0,0 +1,10 @@
+[tox]
+skipsdist = True
+envlist = lint
+
+[testenv:lint]
+deps =
+  flake8
+  flake8-import-order
+commands =
+  flake8 --exclude=env --import-order-style=google

2-structured-data/.dockerignore

@@ -0,0 +1,17 @@
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+env
+pip-log.txt
+pip-delete-this-directory.txt
+.tox
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+*.log
+.git

2-structured-data/Dockerfile

@@ -0,0 +1,39 @@
+# Copyright 2015 Google Inc.
+#
+# 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
+
+# The Google App Engine python runtime is Debian Jessie with Python installed
+# and various os-level packages to allow installation of popular Python
+# libraries. The source is on github at:
+#   https://github.com/GoogleCloudPlatform/python-docker
+FROM gcr.io/google_appengine/python
+
+# Create a virtualenv for the application dependencies.
+# If you want to use Python 3, add the -p python3.4 flag.
+RUN virtualenv /env
+
+# Set virtualenv environment variables. This is equivalent to running
+# source /env/bin/activate. This ensures the application is executed within
+# the context of the virtualenv and will have access to its dependencies.
+ENV VIRTUAL_ENV /env
+ENV PATH /env/bin:$PATH
+
+# Install dependencies.
+ADD requirements.txt /app/requirements.txt
+RUN pip install -r /app/requirements.txt
+
+# Add application code.
+ADD . /app
+
+# Use Gunicorn to serve the application.
+CMD gunicorn -b :$PORT main:app

2-structured-data/app.yaml

@@ -0,0 +1,23 @@
+# Copyright 2015 Google Inc.
+#
+# 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.
+
+# This file specifies your Python application's runtime configuration.
+# See https://cloud.google.com/appengine/docs/managed-vms/config for details.
+runtime: custom
+vm: true
+entrypoint: custom
+
+# Temporary setting to keep gcloud from uploading the virtualenv
+skip_files:
+ - ^v?env$

2-structured-data/bookshelf/__init__.py

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+# Copyright 2015 Google Inc.
+#
+# 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.
+
+from flask import current_app, Flask, redirect, url_for
+
+
+def create_app(config, debug=False, testing=False, config_overrides=None):
+    app = Flask(__name__)
+    app.config.from_object(config)
+
+    app.debug = debug
+    app.testing = testing
+
+    if config_overrides:
+        app.config.update(config_overrides)
+
+    # Setup the data model.
+    with app.app_context():
+        model = get_model()
+        model.init_app(app)
+
+    # Register the Bookshelf CRUD blueprint.
+    from .crud import crud
+    app.register_blueprint(crud, url_prefix='/books')
+
+    # Add a default root route.
+    @app.route("/")
+    def index():
+        return redirect(url_for('crud.list'))
+
+    return app
+
+
+def get_model():
+    model_backend = current_app.config['DATA_BACKEND']
+    if model_backend == 'cloudsql':
+        from . import model_cloudsql
+        model = model_cloudsql
+    elif model_backend == 'datastore':
+        from . import model_datastore
+        model = model_datastore
+    elif model_backend == 'mongodb':
+        from . import model_mongodb
+        model = model_mongodb
+    else:
+        raise ValueError(
+            "No appropriate databackend configured. "
+            "Please specify datastore, cloudsql, or mongodb")
+
+    return model