• Useful for checking for updates
• Works as smoke test
  • Could be hard to tell the difference between a failed smoke test and a getting-version error

• Parse python --version
• Fall back to python -c ...

• Show pip version
• Check for pip update?
  • Possible to install a pip version incompatible with the Python version?
• Show python version
• Show path
• Show path for installed global packages
• Check if it matches pythonx and pythonx.x
  • Path
  • Python version

• Check a Poetry venv can be created with each installed version detected
• Clean up created venvs after command is run
  • Using .venv/ and a tempdir is probably safest
• Make opt-in

• Show Python version used by Poetry

Help locate which install has the packages you're expecting, to clean up your installs or to help migrate them to another install e.g. updating Python

• Use standard venv locations
• Check for projects with multiple Python versions

• Include PATH "shadowed" installs
• Show path
• #3
• Check for update?
  • Data source could have breaking change
• Check if -m pip works