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PEP 699 Implementation
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ramvikrams committed Jan 20, 2023
commit afd678c9e2b8c8d5abcde1930c38df57c705653a
4 changes: 4 additions & 0 deletions Include/cpython/dictobject.h
Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,11 @@ typedef struct {

/* Dictionary version: globally unique, value change each time
the dictionary is modified */
#ifdef Py_BUILD_CORE
uint64_t ma_version_tag;
#else
Py_DEPRECATED(3.12) uint64_t ma_values_tag;
#endif

PyDictKeysObject *ma_keys;

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3 changes: 3 additions & 0 deletions Modules/_testcapimodule.c
Original file line number Diff line number Diff line change
Expand Up @@ -2148,7 +2148,10 @@ dict_get_version(PyObject *self, PyObject *args)
if (!PyArg_ParseTuple(args, "O!", &PyDict_Type, &dict))
return NULL;

_Py_COMP_DIAG_PUSH
_Py_COMP_DIAG_IGNORE_DEPR_DECLS
version = dict->ma_version_tag;
_Py_COMP_DIAG_POP

static_assert(sizeof(unsigned long long) >= sizeof(version),
"version is larger than unsigned long long");
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