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gh-140550: Initial implementation of PEP 793 – PyModExport (GH-140556)

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Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
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Petr Viktorin 2025-11-05 12:31:42 +01:00 • committed by GitHub
parent f2bce51b98
commit 589a03a8ce
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GPG key ID: B5690EEEBB952194
32 changed files with 1494 additions and 236 deletions
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36
Include/internal/pycore_moduleobject.h
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@ -1,5 +1,8 @@
#ifndef Py_INTERNAL_MODULEOBJECT_H
#define Py_INTERNAL_MODULEOBJECT_H
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
@ -16,32 +19,49 @@ extern int _PyModule_IsPossiblyShadowing(PyObject *);
extern int _PyModule_IsExtension(PyObject *obj);
typedef int (*_Py_modexecfunc)(PyObject *);
typedef struct {
PyObject_HEAD
PyObject *md_dict;
PyModuleDef *md_def;
void *md_state;
PyObject *md_weaklist;
// for logging purposes after md_dict is cleared
PyObject *md_name;
bool md_token_is_def; /* if true, `md_token` is the PyModuleDef */
#ifdef Py_GIL_DISABLED
void *md_gil;
#endif
Py_ssize_t md_state_size;
traverseproc md_state_traverse;
inquiry md_state_clear;
freefunc md_state_free;
void *md_token;
_Py_modexecfunc md_exec; /* only set if md_token_is_def is true */
} PyModuleObject;
static inline PyModuleDef* _PyModule_GetDef(PyObject *mod) {
assert(PyModule_Check(mod));
return ((PyModuleObject *)mod)->md_def;
#define _PyModule_CAST(op) \
(assert(PyModule_Check(op)), _Py_CAST(PyModuleObject*, (op)))
static inline PyModuleDef *_PyModule_GetDefOrNull(PyObject *arg) {
PyModuleObject *mod = _PyModule_CAST(arg);
if (mod->md_token_is_def) {
return (PyModuleDef *)mod->md_token;
}
return NULL;
}
static inline PyModuleDef *_PyModule_GetToken(PyObject *arg) {
PyModuleObject *mod = _PyModule_CAST(arg);
return mod->md_token;
}
static inline void* _PyModule_GetState(PyObject* mod) {
assert(PyModule_Check(mod));
return ((PyModuleObject *)mod)->md_state;
return _PyModule_CAST(mod)->md_state;
}
static inline PyObject* _PyModule_GetDict(PyObject *mod) {
assert(PyModule_Check(mod));
PyObject *dict = ((PyModuleObject *)mod) -> md_dict;
PyObject *dict = _PyModule_CAST(mod)->md_dict;
// _PyModule_GetDict(mod) must not be used after calling module_clear(mod)
assert(dict != NULL);
return dict; // borrowed reference