setup-venv.sh

#!/usr/bin/env bash

POSIXLY_CORRECT=1 set -o errexit && set -o nounset && set -o pipefail && unset POSIXLY_CORRECT

# This script uses relative paths. To avoid errors, make sure this script's
# working directory is the project's root.
cd "$(dirname $0)" && test -f .project-root-dir


echo "Re-create virtual environment"
if [ ! -d .venv ]; then
    echo "Create venv in .venv directory and install pip, wheel, setuptools, and pip-tools."
    /usr/bin/python3.8 -m venv --copies --clear .venv
    # shellcheck disable=SC1090
fi

# shellcheck disable=SC1090
source .venv/bin/activate
pip install 'pip==20.2.4'
pip install 'pip-tools==5.3.1'
pip install 'wheel==0.35.1'
pip install 'setuptools==50.3.2'

echo "Run pip-sync"
pip-sync requirements.txt

echo "Run 'pip check' to detect broken requirements"
pip check

# PyCharm has trouble handling requirements that start with `git` as produced by `pip-compile`.
# pip freeze makes sure the format becomes `mypackage @ git...` which
# PyCharm can handle.
echo "# This requirements file was autogenerated by $(basename $0) script" > requirements-for-pycharm.txt
pip freeze >> requirements-for-pycharm.txt