Create python virtual environment using MSYS2.

pip install -U msys2_env
msys2_env --init

msys2_env: create a msys2 env in venv. the name can be specified via --venv [name]. The creation usually takes 3-5 minutes.

provide venv-like directory:

together with helper scripts:

• .venv2/Scripts/Activate.ps1: powershell activation script.
• pack_install: install msys2 packages.
• pack_remove: remove msys2 packages.
• bash: bash launcher.
• fish: fish launcher.

msys2_env -h
usage: msys2_env [-h] [--init] [--venv VENV] [--wrapper]

options:
  -h, --help   show this help message and exit
  --init       download and init msys2
  --venv VENV  venv name
  --wrapper    reinstall the shell wrapper