Compatibility

Python versions

conditional-method supports CPython 3.9 through 3.14. Because the extension is built against the Limited API / stable ABI (abi3), a single cp39-abi3 wheel covers every CPython 3.9+ release — no per-version wheels are needed.

Feature	3.9	3.10	3.11	3.12	3.13	3.14
@cfg / @cfg_attr	✅	✅	✅	✅	✅	✅
abi3 wheel	✅	✅	✅	✅	✅	✅
Full test suite	✅	✅	✅	✅	✅	✅

Known interpreter differences

Two CPython behaviors changed across the supported range; the test suite handles both (tests/_compat.py):

1. __set_name__ error wrapping — CPython < 3.12 wraps a TypeError raised by __set_name__ in RuntimeError: Error calling __set_name__ on ...; 3.12+ propagates the TypeError directly (with the wrapper text attached as a note). Your code is unaffected either way — a false @cfg method makes class creation fail — but if you catch these errors, match on both.

2. Missing context-manager protocol — using an object without __enter__/__exit__ as a context manager raises AttributeError on < 3.11 and TypeError (does not support the context manager protocol) on 3.11+.

Platforms

Wheels are published for:

• Linux (manylinux2_28 / musllinux): x86_64, aarch64, i686, ppc64le, s390x, armv7l
• macOS: arm64, x86_64
• Windows: AMD64, ARM64, x86

Dependencies

conditional-method has zero runtime dependencies.