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azionelab/.codex/profiles/python.md
2026-04-28 10:28:32 +02:00

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# Python profile
Enable this profile for Python repositories.
## Suggested standard
Codex SHOULD prefer:
- `pytest` for tests;
- `ruff` for linting and formatting checks;
- type hints for public functions and non-trivial logic;
- `pathlib` for filesystem paths where practical;
- explicit error handling;
- small, focused functions;
- simple modules over unnecessary class hierarchies.
## Rules
Codex MUST:
- keep dependencies minimal;
- avoid broad `except` clauses unless justified;
- avoid hidden side effects at import time;
- separate business logic from CLI, web, or framework glue;
- avoid global mutable state unless justified;
- write tests for behavior, not implementation details;
- run tests inside Docker containers.
## Validation examples
Use project-specific Docker-based commands, for example:
```bash
docker compose run --rm app ruff check .
docker compose run --rm app pytest
```
If formatting is configured:
```bash
docker compose run --rm app ruff format --check .
```