[python] Consider supporting poetry

[andrewcstewart]

Is your feature request related to a problem? Please describe

poetry is an increasingly common dependency/version manager for Python developers. It would be great if there was a python workspace oriented around poetry managed package development.

It's no secret that the Python packaging ecosystem is a terrible mess of different management tools including distutils, setuptools, pip, pipenv, tox, flit, conda, poetry, virtualenv, pyenv, etc etc etc...

In particular, pyenv and poetry don't appear to always play nice together.

This has likely lead to various issues with using poetry in gitpod in the past: https://github.com/gitpod-io/gitpod/issues?q=is%3Aissue+poetry

Describe the behaviour you'd like

Anyway, it would be great if there was just a well tested, dedicated poetry workspace image.

Describe alternatives you've considered

Some will suggest "use [some other] dependency manager". This isn't always an option for projects.

Additional context

Just a thought, but it might be worth considering maintaining a few separate 'flavors' of python workspace image. For example:

• gitpod/workspace-python-pyenv
• gitpod/workspace-python-poetry
• gitpod/workspace-python-[etc]

Obligatory XKCD:

[jenting]

Code merged. Waiting for the deployment.