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bpo-45379: clarify FROZEN_EXCLUDED and FROZEN_INVALID documentation (GH-29189)

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Signed-off-by: Filipe Laíns <lains@riseup.net>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
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Filipe Laíns 2021-10-29 21:55:14 +01:00 • committed by GitHub
parent e2e62b3808
commit c2d0ba722a
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1 changed files with 7 additions and 2 deletions
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9
Python/import.c
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@ -1171,8 +1171,10 @@ typedef enum {
FROZEN_BAD_NAME, // The given module name wasn't valid.
FROZEN_NOT_FOUND, // It wasn't in PyImport_FrozenModules.
FROZEN_DISABLED, // -X frozen_modules=off (and not essential)
FROZEN_EXCLUDED, // The PyImport_FrozenModules entry has NULL "code".
FROZEN_INVALID, // The PyImport_FrozenModules entry is bogus.
FROZEN_EXCLUDED, /* The PyImport_FrozenModules entry has NULL "code"
(module is present but marked as unimportable, stops search). */
FROZEN_INVALID, /* The PyImport_FrozenModules entry is bogus
(eg. does not contain executable code). */
} frozen_status;
static inline void
@ -1305,6 +1307,7 @@ find_frozen(PyObject *nameobj, struct frozen_info *info)
return FROZEN_EXCLUDED;
}
if (p->code[0] == '\0' || p->size == 0) {
/* Does not contain executable code. */
return FROZEN_INVALID;
}
return FROZEN_OKAY;
@ -1315,6 +1318,7 @@ unmarshal_frozen_code(struct frozen_info *info)
{
PyObject *co = PyMarshal_ReadObjectFromString(info->data, info->size);
if (co == NULL) {
/* Does not contain executable code. */
set_frozen_error(FROZEN_INVALID, info->nameobj);
return NULL;
}
@ -2214,6 +2218,7 @@ _imp_get_frozen_object_impl(PyObject *module, PyObject *name,
info.nameobj = name;
}
if (info.size == 0) {
/* Does not contain executable code. */
set_frozen_error(FROZEN_INVALID, name);
return NULL;
}