mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
Kenneth Reitz
129 lines
3.3 KiB
Bash
Executable File
129 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# bin/compile <build-dir> <cache-dir>
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set -eo pipefail
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# Prepend proper path for virtualenv hackery. Will be deprecated soon.
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export PATH=:/usr/local/bin:$PATH
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BIN_DIR=$(cd $(dirname $0); pwd) # absolute path
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ROOT_DIR=$(dirname $BIN_DIR)
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BUILD_DIR=$1
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CACHE_DIR=$2
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NAME=$($BIN_DIR/detect $BUILD_DIR)
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PIP_DOWNLOAD_CACHE=${PIP_DOWNLOAD_CACHE:-$CACHE_DIR/pip_downloads}
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VIRTUALENV_DIRS="bin include lib"
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VENDORED_MEMCACHED="http://cl.ly/0a191R3K160t1w1P0N25/vendor-libmemcached.tar.gz"
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PYTHON_VERSION="2.7"
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unset GIT_DIR
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export PIP_DOWNLOAD_CACHE
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export BUILD_DIR
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indent() {
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RE="s/^/ /"
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[ $(uname) == "Darwin" ] && sed -l "$RE" || sed -u "$RE"
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}
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function virtualenv (){
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python "$ROOT_DIR/src/virtualenv-1.7/virtualenv.py" "$@"
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}
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cd $BUILD_DIR
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# Reject a non-packaged Django app.
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if [ "$NAME" = "Python" ]; then
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[ -f settings.py ] && { echo " ! Django settings must be in a package subdirectory"; exit 1; }
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(grep -Fiq "django" requirements.txt) && [ -f settings.py ] && { echo " ! Django app must be in a package subdirectory"; exit 1; }
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fi
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# Warn a checked-in virtualenv.
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if [ -d "lib" ] || [ -d "bin" ]; then
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echo " ! You have a virtualenv checked in. You should ignore the appropriate paths in your repo. See http://devcenter.heroku.com/articles/gitignore for more info.";
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fi
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# Reject a conflicting checked-in virtualenv.
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if [ -f "lib/python2.7" ]; then
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echo " ! Checked-in virtualenv conflict."
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exit 1;
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fi
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# Copy artifacts out of cache if exists.
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# mkdir -p $CACHE_DIR
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# for dir in $VIRTUALENV_DIRS; do
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# cp -R $CACHE_DIR/$dir . &> /dev/null || true
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# done
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# Create virtualenv. Rebuild if corrupt.
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set +e
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echo "-----> Preparing Python interpreter ($PYTHON_VERSION)"
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PYTHON_EXE=$($BIN_DIR/python-build install $PYTHON_VERSION --quiet)
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PYTHON_EXE=$BUILD_DIR/.vendor/python/bin/python
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echo "-----> Preparing virtualenv version $(virtualenv --version)"
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# Try to create the virtualenv.
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OUT=$(virtualenv --python $PYTHON_EXE --distribute --never-download --prompt=venv . 2>&1)
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# If there's an error, purge and recreate.
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[ $? -ne 0 ] && {
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echo " ! Virtualenv corrupt, rebuilding."
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for dir in $VIRTUALENV_DIRS; do
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rm -fr $dir &> /dev/null || true
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done
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OUT=$(virtualenv --python $PYTHON_EXE --distribute --never-download --prompt=venv . )
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}
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echo "$OUT" | indent
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set -e
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# Create set-aside .heroku folder.
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mkdir -p .heroku
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# Pylibmc support.
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source $BIN_DIR/steps/pylibmc
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# Activate the virtualenv.
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echo "-----> Activating virtualenv"
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source bin/activate
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# If no requirements, assume 'setup.py install'
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if [ ! -f requirements.txt ]; then
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echo "." > requirements.txt
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fi
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# Install mercurial, if needed.
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if (grep -Fiq "hg+" requirements.txt) then
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pip install --use-mirrors mercurial | indent
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fi
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# Install dependencies.
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echo "-----> Installing dependencies using pip version $(pip --version | awk '{print $2}')"
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pip install --use-mirrors -r requirements.txt --src ./.heroku/src | indent
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# Django support.
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if [ "$NAME" = "Python/Django" ] && ! [ "$DISABLE_INJECTION" ]; then
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source $BIN_DIR/steps/django
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fi
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# Make virtualenv relocatable.
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set +e
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OUT=$(virtualenv --python $PYTHON_EXE --relocatable .)
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[ $? -ne 0 ] && {
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echo " ! Error making virtualenv relocatable"
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echo "$OUT" | indent
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exit 1
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}
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set -e
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# Store new artifacts in cache.
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for dir in $VIRTUALENV_DIRS; do
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rm -rf $CACHE_DIR/$dir
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cp -R $dir $CACHE_DIR/
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done
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