Add --incompatible_python_disable_py2, which fails if Python 2 is specified.

When true, using Python 2 only attribute values will cause an error.

More specifically, using `python_version=PY2`, `srcs_version=PY2` or `srcs_version=PY2ONLY` with `py_binary`, `py_test`, `py_library`, `py_runtime`,
or `py_runtime_pair` will result in an error.

Work towards #15684

PiperOrigin-RevId: 501959931
Change-Id: I7bc089a2f7b46f2538e4a92d8753c788193a71d5
5 files changed
tree: f12665c62b0ec0c625feb3af56fbbd91881bff90
  1. .bazelci/
  2. .github/
  3. examples/
  4. scripts/
  5. site/
  6. src/
  7. third_party/
  8. tools/
  9. .bazelrc
  10. .gitattributes
  11. .gitignore
  12. AUTHORS
  13. BUILD
  14. CHANGELOG.md
  15. CODE_OF_CONDUCT.md
  16. CODEOWNERS
  17. combine_distfiles.py
  18. combine_distfiles_to_tar.sh
  19. compile.sh
  20. CONTRIBUTING.md
  21. CONTRIBUTORS
  22. distdir.bzl
  23. distdir_deps.bzl
  24. LICENSE
  25. maven_install.json
  26. MODULE.bazel
  27. README.md
  28. SECURITY.md
  29. WORKSPACE
  30. WORKSPACE.bzlmod
README.md

Bazel

{Fast, Correct} - Choose two

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