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gh-132775: Add _PyCode_VerifyStateless() (gh-133221)

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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.
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Eric Snow 2025-05-05 15:48:58 -06:00 • committed by GitHub
parent f610bbdf74
commit d270bb5792
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8 changed files with 442 additions and 38 deletions
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7
Include/internal/pycore_function.h
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@ -35,6 +35,13 @@ PyFunctionObject *_PyFunction_LookupByVersion(uint32_t version, PyObject **p_cod
extern PyObject *_Py_set_function_type_params(
PyThreadState* unused, PyObject *func, PyObject *type_params);
/* See pycore_code.h for explanation about what "stateless" means. */
PyAPI_FUNC(int)
_PyFunction_VerifyStateless(PyThreadState *, PyObject *);
#ifdef __cplusplus
}
#endif