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Allow __doc__ to be of arbitrary type. Patch by James Henstridge,

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fixes #504343. 2.2.1 candidate.
This commit is contained in:
Martin v. Löwis 2002-02-18 17:46:48 +00:00
parent 82c6682bb7
commit f9bd6b09e1
1 changed files with 16 additions and 4 deletions
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20
Objects/typeobject.c
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@ -8,7 +8,6 @@ static PyMemberDef type_members[] = {
{"__basicsize__", T_INT, offsetof(PyTypeObject,tp_basicsize),READONLY},
{"__itemsize__", T_INT, offsetof(PyTypeObject, tp_itemsize), READONLY},
{"__flags__", T_LONG, offsetof(PyTypeObject, tp_flags), READONLY},
{"__doc__", T_STRING, offsetof(PyTypeObject, tp_doc), READONLY},
{"__weakrefoffset__", T_LONG,
offsetof(PyTypeObject, tp_weaklistoffset), READONLY},
{"__base__", T_OBJECT, offsetof(PyTypeObject, tp_base), READONLY},
@ -1044,9 +1043,9 @@ type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
}
/* Set tp_doc to a copy of dict['__doc__'], if the latter is there
and is a string (tp_doc is a char* -- can't copy a general object
into it).
XXX What if it's a Unicode string? Don't know -- this ignores it.
and is a string. Note that the tp_doc slot will only be used
by C code -- python code will use the version in tp_dict, so
it isn't that important that non string __doc__'s are ignored.
*/
{
PyObject *doc = PyDict_GetItemString(dict, "__doc__");
@ -2024,6 +2023,19 @@ PyType_Ready(PyTypeObject *type)
inherit_slots(type, (PyTypeObject *)b);
}
/* if the type dictionary doesn't contain a __doc__, set it from
the tp_doc slot.
*/
if (PyDict_GetItemString(type->tp_dict, "__doc__") == NULL) {
if (type->tp_doc != NULL) {
PyObject *doc = PyString_FromString(type->tp_doc);
PyDict_SetItemString(type->tp_dict, "__doc__", doc);
Py_DECREF(doc);
} else {
PyDict_SetItemString(type->tp_dict, "__doc__", Py_None);
}
}
/* Some more special stuff */
base = type->tp_base;
if (base != NULL) {