python gazelle: ignore "binaries" when generating py_librarys

[cristifalcas]

🚀 feature request

Relevant Rules

• rules_python

Description

A clear and concise description of the problem or missing capability...

Add a config for python gazelle module to ignore "binary" files from thesrcs of the py_library generated code.

By "binary" file I mean the logic that gazelle uses to define what src is used by a generated py_binary

Describe the solution you'd like

If you have a solution in mind, please describe it.

Describe alternatives you've considered

Have you considered any alternative solutions or workarounds?

[aignas]

@cristifalcas, could you please give examples of what is happening today and what is the desired state in the original ticket description?

excerpts of BUILD.bazel with python file snippets would be really useful here.