/
python
executable file
·78 lines (62 loc) · 2.15 KB
/
python
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set +e
PYTHON_VERSION=$(cat runtime.txt)
# Install Python.
if [ -f .heroku/python-version ]; then
if [ ! $(cat .heroku/python-version) = $PYTHON_VERSION ]; then
bpwatch start uninstall_python
puts-step "Found runtime $(cat .heroku/python-version), removing"
rm -fr .heroku/python
bpwatch stop uninstall_python
else
SKIP_INSTALL=1
fi
fi
if [ ! $STACK = $CACHED_PYTHON_STACK ]; then
bpwatch start uninstall_python
rm -fr .heroku/python .heroku/python-stack .heroku/vendor
unset SKIP_INSTALL
bpwatch stop uninstall_python
fi
if [ ! "$SKIP_INSTALL" ]; then
bpwatch start install_python
puts-step "Installing runtime ($PYTHON_VERSION)"
# Prepare destination directory.
mkdir -p .heroku/python
curl https://lang-python.s3.amazonaws.com/$STACK/runtimes/$PYTHON_VERSION.tar.gz -s | tar zxv -C .heroku/python &> /dev/null
if [[ $? != 0 ]] ; then
puts-warn "Requested runtime ($PYTHON_VERSION) is not available for this stack ($STACK)."
puts-warn "Aborting. More info: https://devcenter.heroku.com/articles/python-support"
exit 1
fi
bpwatch stop install_python
# Record for future reference.
echo $PYTHON_VERSION > .heroku/python-version
echo $STACK > .heroku/python-stack
FRESH_PYTHON=true
hash -r
fi
# If Pip isn't up to date:
if [ "$FRESH_PYTHON" ] || [[ ! $(pip --version) == *$PIP_VERSION* ]]; then
WORKING_DIR=$(pwd)
bpwatch start prepare_environment
TMPTARDIR=$(mktemp -d)
trap "rm -rf $TMPTARDIR" RETURN
bpwatch start install_setuptools
# Prepare it for the real world
# puts-step "Installing Setuptools ($SETUPTOOLS_VERSION)"
tar zxf $ROOT_DIR/vendor/setuptools-$SETUPTOOLS_VERSION.tar.gz -C $TMPTARDIR
cd $TMPTARDIR/setuptools-$SETUPTOOLS_VERSION/
python setup.py install &> /dev/null
cd $WORKING_DIR
bpwatch stop install_setuptoools
bpwatch start install_pip
# puts-step "Installing Pip ($PIP_VERSION)"
tar zxf $ROOT_DIR/vendor/pip-$PIP_VERSION.tar.gz -C $TMPTARDIR
cd $TMPTARDIR/pip-$PIP_VERSION/
python setup.py install &> /dev/null
cd $WORKING_DIR
bpwatch stop install_pip
bpwatch stop prepare_environment
fi
set -e
hash -r