Uses pre-built wheels when pip installing from tox.

.gitignore

@@ -48,3 +48,6 @@ regression/local_test_setup
 
 # Make sure a generated file isn't accidentally committed.
 pylintrc_reduced
+
+# Wheel directory used in Travis builds.
+gcloud-python-wheels/

.travis.yml

@@ -1,5 +1,10 @@
 language: python
 
+before_install:
+  - git clone https://github.com/GoogleCloudPlatform/gcloud-python-wheels
+        gcloud-python-wheels
+  - export WHEELHOUSE="$(pwd)/gcloud-python-wheels/wheelhouse/"
+
 install:
   - scripts/custom_pip_install.sh tox
 
@@ -8,6 +13,7 @@ script:
   - tox -e py27
   - tox -e lint
   - tox -e regression
-  - scripts/update_docs.sh
+  - scripts/merge.sh
+
 after_success:
   - tox -e coveralls

scripts/custom_pip_install.sh

@@ -1,4 +1,21 @@
 #!/bin/bash
-# Temporarily perform default pip install before initial
-# wheelhouse is built.
-pip install "$@"
+
+# Copyright 2014 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.
+
+if [[ -d ${WHEELHOUSE} ]]; then
+    pip install --no-index --find-links=${WHEELHOUSE} "$@"
+fi
+# Update if the locally cached wheels are out-of-date.
+pip install --upgrade "$@"

scripts/merge.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Copyright 2014 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.
+
+set -ev
+
+##############################################
+# Perform actions if we are updating master. #
+##############################################
+if [[ "${TRAVIS_BRANCH}" == "master" ]] && \
+       [[ "${TRAVIS_PULL_REQUEST}" == "false" ]]; then
+  scripts/update_docs.sh
+  scripts/update_wheels_project.sh
+else
+  echo "Not in master on a non-pull request. Doing nothing."
+fi

scripts/run_regression.sh

@@ -1,11 +1,26 @@
 #!/bin/bash
 
+# Copyright 2014 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.
+
 set -ev
 
 # If we're on Travis, we need to set up the environment.
 if [[ "${TRAVIS}" == "true" ]]; then
   # If merging to master and not a pull request, run regression test.
-  if [ "${TRAVIS_BRANCH}" == "master" ] && [ "${TRAVIS_PULL_REQUEST}" == "false" ]; then
+  if [[ "${TRAVIS_BRANCH}" == "master" ]] && \
+         [[ "${TRAVIS_PULL_REQUEST}" == "false" ]]; then
     echo "Running in Travis during merge, decrypting stored key file."
 
     # Convert encrypted key file into decrypted file to be used.

scripts/update_docs.sh

@@ -16,22 +16,17 @@
 
 set -ev
 
-if [[ "${TRAVIS_BRANCH}" == "master" ]] && \
-       [[ "${TRAVIS_PULL_REQUEST}" == "false" ]]; then
-  # Build new docset in docs/_build from master.
-  tox -e docs
-  git submodule add -b gh-pages \
-      "https://${GH_OAUTH_TOKEN}@github.com/${GH_OWNER}/${GH_PROJECT_NAME}" \
-      ghpages
-  cp -R docs/_build/html/* ghpages/
-  cd ghpages
-  git add .
-  # Commit to gh-pages branch to apply changes.
-  git config user.name "selfiebot"
-  git commit -m "Update docs after merge to master."
-  git push \
-      "https://${GH_OAUTH_TOKEN}@github.com/${GH_OWNER}/${GH_PROJECT_NAME}" \
-      HEAD:gh-pages
-else
-  echo "Not in master on a non-pull request. Doing nothing."
-fi
+# Build new docset in docs/_build from master.
+tox -e docs
+git submodule add -b gh-pages \
+    "https://${GH_OAUTH_TOKEN}@github.com/${GH_OWNER}/${GH_PROJECT_NAME}" \
+    ghpages
+cp -R docs/_build/html/* ghpages/
+cd ghpages
+git add .
+# Commit to gh-pages branch to apply changes.
+git config user.name "selfiebot"
+git commit -m "Update docs after merge to master."
+git push \
+    "https://${GH_OAUTH_TOKEN}@github.com/${GH_OWNER}/${GH_PROJECT_NAME}" \
+    HEAD:gh-pages

scripts/update_wheels_project.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# Copyright 2014 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.
+
+set -ev
+
+#########################################
+# Settings for specific wheels project. #
+#########################################
+WHEELS_PROJECT_NAME="gcloud-python-wheels"
+# "gcloud-python-wheels" is already used by .travis.yml
+FRESH_REPO_DIR="gcloud-python-wheels-fresh"
+
+###################################
+# Checkout the wheels repository. #
+###################################
+git config --global user.email "[email protected]"
+git config --global user.name "travis-ci"
+git clone --quiet --branch=master \
+    "https://${GH_OAUTH_TOKEN}@github.com//${GH_OWNER}/${WHEELS_PROJECT_NAME}" \
+    ${FRESH_REPO_DIR}
+# NOTE: Assumes ${GH_OAUTH_TOKEN} and ${GH_OWNER} are set in Travis build
+#       settings for project. This also assumes the wheels project is owned by
+#       ${GH_OWNER} and that the token can be used to make commits.
+
+#################################################
+# Add the current commit hash to a static file. #
+#################################################
+echo "${TRAVIS_COMMIT}" > ${FRESH_REPO_DIR}/LATEST_COMMIT
+
+##############################################
+# Display git status and push LATEST_COMMIT. #
+##############################################
+cd ${FRESH_REPO_DIR}
+git add ${FRESH_REPO_DIR}/LATEST_COMMIT
+
+git status
+# H/T: http://stackoverflow.com/a/13730477/1068170
+git commit -m "Latest wheels build by travis-ci. [ci skip]"
+git status
+git push origin master