mirror of
https://github.com/kennethreitz/heroku-buildpack-python.git
synced 2026-06-05 23:10:16 +00:00
Tom van Neerijnen
a91e9c2fc1
Anything using theses exported variables should be using them in the new context rather than the old
235 lines
6.0 KiB
Bash
Executable File
235 lines
6.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Usage:
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#
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# $ bin/compile <build-dir> <cache-dir> <env-path>
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# Fail fast and fail hard.
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set -eo pipefail
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[ "$BUILDPACK_XTRACE" ] && set -o xtrace
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# Prepend proper path for virtualenv hackery. This will be deprecated soon.
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export PATH=:/usr/local/bin:$PATH
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# Paths.
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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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ENV_DIR=$3
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CACHED_DIRS=".heroku"
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# Static configurations for virtualenv caches.
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VIRTUALENV_LOC=".heroku/venv"
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LEGACY_TRIGGER="lib/python2.7"
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DEFAULT_PYTHON_VERSION="python-2.7.10"
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DEFAULT_PYTHON_STACK="cedar"
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PYTHON_EXE="/app/.heroku/python/bin/python"
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PIP_VERSION="7.1.0"
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SETUPTOOLS_VERSION="18.1"
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# Setup bpwatch
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export PATH=$PATH:$ROOT_DIR/vendor/bpwatch
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LOGPLEX_KEY="t.b90d9d29-5388-4908-9737-b4576af1d4ce"
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export BPWATCH_STORE_PATH=$CACHE_DIR/bpwatch.json
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BUILDPACK_VERSION=v28
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# Setup pip-pop (pip-diff)
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export PATH=$PATH:$ROOT_DIR/vendor/pip-pop
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# Support Anvil Build_IDs
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[ ! "$SLUG_ID" ] && SLUG_ID="defaultslug"
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[ ! "$REQUEST_ID" ] && REQUEST_ID=$SLUG_ID
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[ ! "$STACK" ] && STACK=$DEFAULT_PYTHON_STACK
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# Sanitizing environment variables.
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unset GIT_DIR PYTHONHOME PYTHONPATH LD_LIBRARY_PATH LIBRARY_PATH
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bpwatch init $LOGPLEX_KEY
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bpwatch build python $BUILDPACK_VERSION $REQUEST_ID
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TMP_APP_DIR=$CACHE_DIR/tmp_app_dir
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bpwatch start compile
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# Syntax sugar.
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source $BIN_DIR/utils
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# Directory Hacks for path consistiency.
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APP_DIR='/app'
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TMP_APP_DIR=$CACHE_DIR/tmp_app_dir
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# Skip these steps for Docker.
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if [[ ! "$DOCKER_BUILD" ]]; then
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# Copy Anvil app dir to temporary storage...
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bpwatch start anvil_appdir_stage
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if [ "$SLUG_ID" ]; then
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mkdir -p $TMP_APP_DIR
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deep-mv $APP_DIR $TMP_APP_DIR
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else
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deep-rm $APP_DIR
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fi
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bpwatch stop anvil_appdir_stage
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# Copy Application code in.
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bpwatch start appdir_stage
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deep-cp $BUILD_DIR $APP_DIR
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bpwatch stop appdir_stage
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fi
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# Set new context.
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ORIG_BUILD_DIR=$BUILD_DIR
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BUILD_DIR=$APP_DIR
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# Set up outputs under new context
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PROFILE_PATH="$BUILD_DIR/.profile.d/python.sh"
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WEBCONCURRENCY_PROFILE_PATH="$BUILD_DIR/.profile.d/python.webconcurrency.sh"
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# We'll need to send these statics to other scripts we `source`.
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export BUILD_DIR CACHE_DIR BIN_DIR PROFILE_PATH
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# Prepend proper path buildpack use.
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export PATH=$BUILD_DIR/.heroku/python/bin:$BUILD_DIR/.heroku/vendor/bin:$PATH
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export PYTHONUNBUFFERED=1
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export LANG=en_US.UTF-8
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export C_INCLUDE_PATH=/app/.heroku/vendor/include:$BUILD_DIR/.heroku/vendor/include:/app/.heroku/python/include
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export CPLUS_INCLUDE_PATH=/app/.heroku/vendor/include:$BUILD_DIR/.heroku/vendor/include:/app/.heroku/python/include
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export LIBRARY_PATH=/app/.heroku/vendor/lib:$BUILD_DIR/.heroku/vendor/lib:/app/.heroku/python/lib
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export LD_LIBRARY_PATH=/app/.heroku/vendor/lib:$BUILD_DIR/.heroku/vendor/lib:/app/.heroku/python/lib
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export PKG_CONFIG_PATH=/app/.heroku/vendor/lib/pkg-config:$BUILD_DIR/.heroku/vendor/lib/pkg-config:/app/.heroku/python/lib/pkg-config
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# Switch to the repo's context.
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cd $BUILD_DIR
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# Experimental pre_compile hook.
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bpwatch start pre_compile
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source $BIN_DIR/steps/hooks/pre_compile
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bpwatch stop pre_compile
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# If no requirements given, assume `setup.py develop`.
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if [ ! -f requirements.txt ]; then
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echo "-e ." > requirements.txt
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fi
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# Sticky runtimes.
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if [ -f $CACHE_DIR/.heroku/python-version ]; then
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DEFAULT_PYTHON_VERSION=$(cat $CACHE_DIR/.heroku/python-version)
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fi
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# Stack fallback for non-declared caches.
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if [ -f $CACHE_DIR/.heroku/python-stack ]; then
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CACHED_PYTHON_STACK=$(cat $CACHE_DIR/.heroku/python-stack)
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else
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CACHED_PYTHON_STACK=$DEFAULT_PYTHON_STACK
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fi
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# If no runtime given, assume default version.
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if [ ! -f runtime.txt ]; then
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echo $DEFAULT_PYTHON_VERSION > runtime.txt
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fi
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# ### The Cache
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mkdir -p $CACHE_DIR
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# Purge "old-style" virtualenvs.
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bpwatch start clear_old_venvs
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[ -d $CACHE_DIR/$LEGACY_TRIGGER ] && rm -fr $CACHE_DIR/.heroku/bin $CACHE_DIR/.heroku/lib $CACHE_DIR/.heroku/include
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[ -d $CACHE_DIR/$VIRTUALENV_LOC ] && rm -fr $CACHE_DIR/.heroku/venv $CACHE_DIR/.heroku/src
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bpwatch stop clear_old_venvs
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# Restore old artifacts from the cache.
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bpwatch start restore_cache
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for dir in $CACHED_DIRS; do
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cp -R $CACHE_DIR/$dir . &> /dev/null || true
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done
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bpwatch stop restore_cache
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set +e
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# Create set-aside `.heroku` folder.
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mkdir .heroku &> /dev/null
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set -e
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mkdir -p $(dirname $PROFILE_PATH)
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# Install Python.
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source $BIN_DIR/steps/python
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# Sanity check for setuptools/distribute.
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source $BIN_DIR/steps/setuptools
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# Uninstall removed dependencies with Pip.
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source $BIN_DIR/steps/pip-uninstall
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# Mercurial support.
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source $BIN_DIR/steps/mercurial
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# Pylibmc support.
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source $BIN_DIR/steps/pylibmc
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# Libffi support.
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source $BIN_DIR/steps/cryptography
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# GDAL support.
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source $BIN_DIR/steps/gdal
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# Install dependencies with Pip.
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source $BIN_DIR/steps/pip-install
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# Django collectstatic support.
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sub-env $BIN_DIR/steps/collectstatic
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# ### Finalize
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#
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# Set context environment variables.
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set-env PATH '$HOME/.heroku/python/bin:$PATH'
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set-env PYTHONUNBUFFERED true
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set-env PYTHONHOME /app/.heroku/python
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set-env LIBRARY_PATH '/app/.heroku/vendor/lib:/app/.heroku/python/lib:$LIBRARY_PATH'
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set-env LD_LIBRARY_PATH '/app/.heroku/vendor/lib:/app/.heroku/python/lib:$LD_LIBRARY_PATH'
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set-default-env LANG en_US.UTF-8
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set-default-env PYTHONHASHSEED random
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set-default-env PYTHONPATH /app/
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# Install sane-default script for WEB_CONCURRENCY environment variable.
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cp $ROOT_DIR/vendor/python.webconcurrency.sh $WEBCONCURRENCY_PROFILE_PATH
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# Experimental post_compile hook.
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bpwatch start post_compile
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source $BIN_DIR/steps/hooks/post_compile
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bpwatch stop post_compile
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# Store new artifacts in cache.
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bpwatch start dump_cache
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for dir in $CACHED_DIRS; do
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rm -rf $CACHE_DIR/$dir
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cp -R $dir $CACHE_DIR/
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done
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bpwatch stop dump_cache
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# ### Fin.
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if [[ ! "$DOCKER_BUILD" ]]; then
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bpwatch start appdir_commit
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deep-rm $ORIG_BUILD_DIR
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deep-mv $BUILD_DIR $ORIG_BUILD_DIR
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bpwatch stop appdir_commit
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bpwatch start anvil_appdir_commit
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if [ "$SLUG_ID" ]; then
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deep-mv $TMP_APP_DIR $APP_DIR
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fi
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bpwatch stop anvil_appdir_commit
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bpwatch stop compile
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fi
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