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Pass the free-threaded Python ABI to PyO3 - #77
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Append t to PYO3_CROSS_PYTHON_VERSION when the Python runtime ABI flags contain t. PyO3 needs this suffix to select the free-threaded ABI because the toolchain disables interpreter detection with PYO3_NO_PYTHON. Default missing ABI flags to an empty string for older Python runtime providers.
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Append
ttoPYO3_CROSS_PYTHON_VERSIONwhen the Python runtime advertises the free-threaded ABI. PyO3 needs that suffix to select the correct object layout whenPYO3_NO_PYTHONdisables interpreter detection.Validation: three temporary analysis tests invoking the real
pyo3_toolchainwith mock Python toolchains pass for regular Python, free-threaded Python, and runtimes withoutabi_flags. Buildifier andgit diff --checkpass. The existing PyO3 integration package is excluded by the root.bazelignore, so a full Python-extension build was not run.-zbarskybot