check-python-files

#!/bin/bash
basedir="$(cd "$(dirname "$0")"; /bin/pwd)"

if [[ -z "$VIRTUAL_ENV" ]]; then
    if [[ -d "$basedir/venv" ]]; then
        if [[ -r "$basedir/venv/bin/activate" ]]; then
            . "$basedir/venv/bin/activate"
        else
            echo "Directory $basedir/venv is present but doesn't appear to have an bin/activate script" 1>&2;
            exit 1;
        fi;
    else
        python3 -m venv "$basedir/venv" || exit 1
        . "$basedir/venv/bin/activate"
    fi
fi;

if [[ ! -r "$VIRTUAL_ENV/.check-requirements-installed" || "$VIRTUAL_ENV/.check-requirements-installed" -ot "$basedir/requirements-dev.txt" ]]; then
    echo "Installing requirements from $basedir/requirements-dev.txt"
    if ! pip3 install -r "$basedir/requirements-dev.txt"; then
        echo "Failed to install check packages" 1>&2;
        exit 1;
    fi;

    touch "$VIRTUAL_ENV/.check-requirements-installed"
fi

cd "$basedir"
exitcode=0

# if ! black *.py ; then
#     echo "Black reformatting failed" 1>&2;
#     exitcode=1;
# fi;

if ! flake8 *.py ; then
    echo "Flake8 syntax checks failed" 1>&2;
    exitcode=1
fi;

if ! mypy *.py ; then
    echo "Mypy type analysis checks failed" 1>&2;
    exitcode=1
fi;

exit $exitcode