python3 -m pip install --user --quiet --no-warn-script-location --upgrade setuptools
python3 -m pip install --user --quiet --no-warn-script-location --upgrade --upgrade-strategy eager -r "$requirements_file"
# installs are silent, show version details in log
+ python3 --version
+ python3 -m pip --version
python3 -m pip freeze
rm -rf "$requirements_file"
touch /tmp/pre-build-complete