[FR]: Simple stand-alone example for a project using rules_py

[kopp]

What is the current behavior?

The only available example that uses rules_py is within the rules_py repository. Hence the WORKSPACE and BUILD files contain more than what is necessary to just use the rules.

Describe the feature

A simple stand-alone repository, e.g. https://github.com/aspect-build/bazel-examples/tree/main/rules_py/, that contains a minimal application (e.g. one library, one executable), that uses rules_py to define those. It should have at least one external dependency. This should enable users that want to use rules_py to start a project by adapting the given example.

https://github.com/aspect-build/bazel-examples/tree/main/oci_python_image is already quite close, but comes bundled with docker, which adds some more complexity.

[alexeagle]

Our convention is that while examples is in the root WORKSPACE, the e2e/ folders act as standalone examples.

I'll leave this open since I do think we'll add more examples to aspect-build/bazel-examples or bazelbuild/examples as part of 1.0.