Jun 23, 2022 · Jun 3, 2022 · Jun 4, 2022 · Jun 5, 2022 · Jun 11, 2022 · Jun 11, 2022
diff --git a/Include/cpython/code.h b/Include/cpython/code.h
    PyObject *co_qualname;        /* unicode (qualname, for reference) */      \
    PyObject *co_linetable;       /* bytes object that holds location info */  \
    PyObject *co_weakreflist;     /* to support weakrefs to code objects */    \
    void *_co_code;               /* cached co_code object/attribute */        \
    /* Scratch space for extra data relating to the code object.               \
       Type is a void* to keep the format private in codeobject.c to force     \
       people to go through the proper APIs. */                                \
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-05-31-16-36-30.gh-issue-93382.Jf6gAj.rst b/Misc/NEWS.d/next/Core and Builtins/2022-05-31-16-36-30.gh-issue-93382.Jf6gAj.rst
 Speed up the:c:func:`PyCode_GetCode` function which also improves accessing the:attr:`~types.CodeType.co_code` attribute in Python.
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
    /* not set */
    co->co_weakreflist = NULL;
    co->co_extra = NULL;
    co->_co_code = NULL;

    co->co_warmup = QUICKENING_INITIAL_WARMUP_VALUE;
    memcpy(_PyCode_CODE(co), PyBytes_AS_STRING(con->code),
 PyObject *
 _PyCode_GetCode(PyCodeObject *co)
 {
    if (co->_co_code != NULL) {
        return Py_NewRef(co->_co_code);
    }
    PyObject *code = PyBytes_FromStringAndSize((const char *)_PyCode_CODE(co),
                                               _PyCode_NBYTES(co));
    if (code == NULL) {
        return NULL;
    }
    deopt_code((_Py_CODEUNIT *)PyBytes_AS_STRING(code), Py_SIZE(co));
    assert(co->_co_code == NULL);
    co->_co_code = (void *)Py_NewRef(code);
    return code;
 }

    Py_XDECREF(co->co_qualname);
    Py_XDECREF(co->co_linetable);
    Py_XDECREF(co->co_exceptiontable);
    Py_XDECREF(co->_co_code);
    if (co->co_weakreflist != NULL) {
        PyObject_ClearWeakRefs((PyObject*)co);
    }
diff --git a/Programs/test_frozenmain.h b/Programs/test_frozenmain.h
Original file line number	Diff line number	Diff line change
Expand Up		@@ -88,6 +88,7 @@ typedef uint16_t _Py_CODEUNIT;
		PyObject co_qualname; / unicode (qualname, for reference) */ \
		PyObject co_linetable; / bytes object that holds location info */ \
		PyObject co_weakreflist; / to support weakrefs to code objects */ \
		void _co_code; / cached co_code object/attribute */ \
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		/* Scratch space for extra data relating to the code object. \
		Type is a void* to keep the format private in codeobject.c to force \
		people to go through the proper APIs. */ \
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Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Speed up the:c:func:`PyCode_GetCode` function which also improves accessing the:attr:`~types.CodeType.co_code` attribute in Python.
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Original file line number	Diff line number	Diff line change
Expand Up		@@ -334,6 +334,7 @@ init_code(PyCodeObject co, struct _PyCodeConstructor con)
		/* not set */
		co->co_weakreflist = NULL;
		co->co_extra = NULL;
		co->_co_code = NULL;

		co->co_warmup = QUICKENING_INITIAL_WARMUP_VALUE;
		memcpy(_PyCode_CODE(co), PyBytes_AS_STRING(con->code),
Expand DownExpand Up		@@ -1367,12 +1368,17 @@ deopt_code(_Py_CODEUNIT *instructions, Py_ssize_t len)
		PyObject *
		_PyCode_GetCode(PyCodeObject *co)
		{
		if (co->_co_code != NULL) {
		return Py_NewRef(co->_co_code);
		}
		PyObject code = PyBytes_FromStringAndSize((const char )_PyCode_CODE(co),
		_PyCode_NBYTES(co));
		if (code == NULL) {
		return NULL;
		}
		deopt_code((_Py_CODEUNIT *)PyBytes_AS_STRING(code), Py_SIZE(co));
		assert(co->_co_code == NULL);
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		co->_co_code = (void *)Py_NewRef(code);
		return code;
		}

Expand DownExpand Up		@@ -1531,6 +1537,7 @@ code_dealloc(PyCodeObject *co)
		Py_XDECREF(co->co_qualname);
		Py_XDECREF(co->co_linetable);
		Py_XDECREF(co->co_exceptiontable);
		Py_XDECREF(co->_co_code);
		if (co->co_weakreflist != NULL) {
		PyObject_ClearWeakRefs((PyObject*)co);
		}
Expand Down