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Eric Snow
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"Stateless" code is a function or code object which does not rely on external state or internal state. It may rely on arguments and builtins, but not globals or a closure. I've left a comment in pycore_code.h that provides more detail. We also add _PyFunction_VerifyStateless(). The new functions will be used in several later changes that facilitate "sharing" functions and code objects between interpreters.
The Python C API ================ The C API is divided into these sections: 1. ``Include/``: Limited API 2. ``Include/cpython/``: CPython implementation details 3. ``Include/cpython/``, names with the ``PyUnstable_`` prefix: API that can change between minor releases 4. ``Include/internal/``, and any name with ``_`` prefix: The internal API Information on changing the C API is available `in the developer guide`_ .. _in the developer guide: https://devguide.python.org/c-api/