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Issue #22995: Default implementation of __reduce__ and __reduce_ex__ now

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rejects builtin types with not defined __new__.
Added tests for non-pickleable types.
This commit is contained in:
Serhiy Storchaka 2015-11-12 11:23:04 +02:00
parent a9dcdabccb
commit d7a4415599
6 changed files with 78 additions and 0 deletions
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12
Objects/typeobject.c
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@ -3980,6 +3980,12 @@ reduce_4(PyObject *obj)
PyObject *result;
_Py_IDENTIFIER(__newobj_ex__);
if (Py_TYPE(obj)->tp_new == NULL) {
PyErr_Format(PyExc_TypeError,
"can't pickle %s objects",
Py_TYPE(obj)->tp_name);
return NULL;
}
if (_PyObject_GetNewArguments(obj, &args, &kwargs) < 0) {
return NULL;
}
@ -4046,6 +4052,12 @@ reduce_2(PyObject *obj)
Py_ssize_t i, n;
_Py_IDENTIFIER(__newobj__);
if (Py_TYPE(obj)->tp_new == NULL) {
PyErr_Format(PyExc_TypeError,
"can't pickle %s objects",
Py_TYPE(obj)->tp_name);
return NULL;
}
if (_PyObject_GetNewArguments(obj, &args, &kwargs) < 0) {
return NULL;
}