Describe how to make python envs with all targets for IDE integration

[UebelAndre]

🚀 feature request

Relevant Rules

Unknown

Description

I would like there to be a tool which is able to produce a valid venv such that IDEs can use it and resolve symbols for external python projects.

Describe the solution you'd like

If I depend on an external repository @third_party_dep//:dep, I wanna be able to control+click in my IDE (vscode or something) an go to the symbol at $(bazel info output_base)/external/third_party_dep/dep.py.

Describe alternatives you've considered

This is generally not an issue for pypi projects since I can make a venv from the list of requirements in my current workspace but I have no way to resolve bazel targets. So I know of no alternative.

[jvolkman]

https://github.com/cedarai/rules_pyvenv does what you want. I believe https://github.com/aspect-build/rules_py does as well.

[UebelAndre]

I don't think https://github.com/aspect-build/rules_py does this but https://github.com/cedarai/rules_pyvenv might be useful if there was other tooling to query and install pure bazel python targets and their dependencies. The issue is not that the py_binary targets do or do not create venvs. It's that creating a "mega-venv" that includes pure Bazel targets is not something I see an existing solution for.

[jvolkman]

Maybe I don't understand what you mean by "pure Bazel targets", but rules_pyvenv will place any Bazel dep in the venv, not just those sourced from pip_install. For instance, if you have generated protobuf source, that gets placed in the venv so that code navigation works.

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