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Python Ecosystem

src/cmds/python/README.md

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Python Ecosystem

Part of src/cmds/ — see also docs/contributing/TECHNICAL.md

Specifics

  • pytest_cmd.rs uses a state machine text parser (no JSON available from pytest)
  • ruff_cmd.rs uses JSON for check mode (--output-format=json) and text filtering for format mode
  • pip_cmd.rs auto-detects uv as a pip alternative and routes accordingly
  • uv_cmd.rs preserves uv run environment semantics: the program's own output passes through on success (bounded, with a tee hint), diagnostics are extracted on failure
  • python -m pytest and python3 -m mypy are rewritten by the hook registry to rtk pytest / rtk mypy

Cross-command

  • ruff_cmd is called by cmds/js/lint_cmd and cmds/system/format_cmd for Python projects
  • mypy_cmd is called by cmds/js/lint_cmd when detecting Python type checking