The windows batch file to bootstrap for python environment.

This batch file bootstrap.bat executes following steps.

• If option clean is specified like bootstrap clean, clean existing .venv directory.
• If not exist .venv directory, execute following steps.
  • Check python version via py.exe. If version is not match, this batch is canceled.
  • Check pip version via py.exe. If version is not match, pip will be updated.
  • Check poetry version via py.exe. If version is not match, poetry will be installed or updated.
  • If .venv is not exist, create venv.
  • Activate venv.
  • Check pip version in venv. If version is not match, pip will be updated.
  • Check poetry version in venv. If version is not match, poetry will be installed or updated.
  • Syncronize venv library via poetry.
    • If poetry.lock and pyproject.toml are not exist, execute poetry init and install pytest, flake8, black, and mypy for developping.
• Activate venv.