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gh-145497: Fix _Py_MAX_MANAGED_STATIC_BUILTIN_TYPES by vstinner · Pull Request #151152 · python/cpython · GitHub

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gh-145497: Fix _Py_MAX_MANAGED_STATIC_BUILTIN_TYPES #151152

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gh-145497: Fix _Py_MAX_MANAGED_STATIC_BUILTIN_TYPES #151152

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37 changes: 36 additions & 1 deletion Include/internal/pycore_interp_structs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -529,14 +529,49 @@ struct _py_func_state {

/****** type state *********/

/* One TYPE(name) per textual _PyStaticType_InitBuiltin /
_PyStructSequence_InitBuiltin{,WithFlags} call site outside the static_types
and static_exceptions arrays. Count-only -- the calls themselves stay at
their existing locations. Forgetting an entry trips the
`index < _Py_MAX_MANAGED_STATIC_BUILTIN_TYPES` assertion in
Objects/typeobject.c on interpreter start. */
#define _Py_FOREACH_STATIC_EXTRA_TYPE(TYPE) \
/* Python/crossinterp_exceptions.h */ \
TYPE(_PyExc_InterpreterError) \
TYPE(_PyExc_InterpreterNotFoundError) \
/* Objects/unicodeobject.c */ \
TYPE(EncodingMapType) \
TYPE(PyFieldNameIter_Type) \
TYPE(PyFormatterIter_Type) \
/* Python/thread.c */ \
TYPE(ThreadInfoType) \
/* Python/sysmodule.c */ \
TYPE(Hash_InfoType) \
TYPE(AsyncGenHooksType) \
TYPE(VersionInfoType) \
TYPE(FlagsType) \
TYPE(WindowsVersionType) \
/* Python/errors.c */ \
TYPE(UnraisableHookArgsType) \
/* Objects/longobject.c */ \
TYPE(Int_InfoType) \
/* Objects/floatobject.c */ \
TYPE(FloatInfoType)

#define _PY_COUNT_STATIC_TYPE_(name) + 1
#define _Py_NUM_MANAGED_STATIC_EXTRA_TYPES \
(0 _Py_FOREACH_STATIC_EXTRA_TYPE(_PY_COUNT_STATIC_TYPE_))

/* For now we hard-code this to a value for which we are confident
all the static builtin types will fit (for all builds).
If you add a new static type to the standard library, you may have to
update one of these numbers.
*/
#define _Py_NUM_MANAGED_PREINITIALIZED_TYPES 120

corona10 Jun 9, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

Still _Py_NUM_MANAGED_PREINITIALIZED_TYPES is manged by hand.
#define _Py_NUM_STATIC_EXCEPTIONS 69

corona10 Jun 9, 2026

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

Now you mange the number of _Py_NUM_STATIC_EXCEPTIONS manually, I beleive that this is not what we wanted
#define _Py_MAX_MANAGED_STATIC_BUILTIN_TYPES \
(_Py_NUM_MANAGED_PREINITIALIZED_TYPES + 83)
(_Py_NUM_MANAGED_PREINITIALIZED_TYPES + _Py_NUM_STATIC_EXCEPTIONS \
+ _Py_NUM_MANAGED_STATIC_EXTRA_TYPES)
#define _Py_MAX_MANAGED_STATIC_EXT_TYPES 10
#define _Py_MAX_MANAGED_STATIC_TYPES \
(_Py_MAX_MANAGED_STATIC_BUILTIN_TYPES + _Py_MAX_MANAGED_STATIC_EXT_TYPES)
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2 changes: 1 addition & 1 deletion Objects/exceptions.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4392,7 +4392,7 @@ struct static_exception {
const char *name;
};

static struct static_exception static_exceptions[] = {
static struct static_exception static_exceptions[_Py_NUM_STATIC_EXCEPTIONS] = {
#define ITEM(NAME) {&_PyExc_##NAME, #NAME}
// Level 1
ITEM(BaseException),
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