python3-core
Python Engineering Standards
Consult references/python3-standards.md for the full standards document.
Standing Defaults (apply to every Python task)
Code Quality
- Python 3.11+ native types:
list[str],str | None,Self,TypeAlias - Google-style docstrings (Args/Returns/Raises)
- SOLID principles as active design guidance, not checklist items
- Functions under 50 lines; max 3 nesting levels
__all__in public modules- No
Any, broadobject, or uncheckedcast()in internal code - Code smells are design signals to investigate, not noise to suppress
Type Coverage
- Type coverage is a project health metric
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