# Install dependencies with Pip.
puts-cmd "pip install -r requirements.txt"

# rewrite any existing egg links to point to the build dir so pip does not fail with a mismatch error
find .heroku/python/lib/python*/site-packages/ -name "*.egg-link" -print0 | xargs -r -0 -n 1 sed -i -e "s#/app/#$(pwd)/#"
find .heroku/python/lib/python*/site-packages/ -name "*.pth" -print0 | xargs -r -0 -n 1 sed -i -e "s#/app/#/$(pwd)/#"

# Support for PyPy
find .heroku/python/lib-python/*/site-packages/ -name "*.egg-link" -print0 | xargs -r -0 -n 1 sed -i -e "s#/app/#$(pwd)/#"
find .heroku/python/lib-python/*/site-packages/ -name "*.pth" -print0 | xargs -r -0 -n 1 sed -i -e "s#/app/#/$(pwd)/#"

[ ! "$FRESH_PYTHON" ] && bpwatch start pip_install
[ "$FRESH_PYTHON" ] && bpwatch start pip_install_first

set +e
/app/.heroku/python/bin/pip install -r $BUILD_DIR/requirements.txt --exists-action=w --src=/app/.heroku/src --disable-pip-version-check --no-cache-dir 2>&1 | tee $WARNINGS_LOG | cleanup | indent
PIP_STATUS="${PIPESTATUS[0]}"
set -e

show-warnings

if [[ ! $PIP_STATUS -eq 0 ]]; then
    exit 1
fi


# Smart Requirements handling
cp requirements.txt .heroku/python/requirements-declared.txt
/app/.heroku/python/bin/pip freeze --disable-pip-version-check > .heroku/python/requirements-installed.txt

[ ! "$FRESH_PYTHON" ] && bpwatch stop pip_install
[ "$FRESH_PYTHON" ] && bpwatch stop pip_install_first

# rewrite build dir in egg links to /app so things are found at runtime
find .heroku/python/lib/python*/site-packages/ -name "*.egg-link" -print0 | xargs -r -0 -n 1 sed -i -e "s#$(pwd)/#/app/#"
find .heroku/python/lib/python*/site-packages/ -name "*.pth" -print0 | xargs -r -0 -n 1 sed -i -e "s#$(pwd)/#/app/#"

# Support for PyPy
find .heroku/python/lib-python/*/site-packages/  -name "*.egg-link" -print0 | xargs -r -0 -n 1 sed -i -e "s#$(pwd)/#/app/#"
find .heroku/python/lib-python/*/site-packages/  -name "*.pth" -print0 | xargs -r -0 -n 1 sed -i -e "s#$(pwd)/#/app/#"


echo