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bpo-35444: Unify and optimize the helper for getting a builtin object. (GH-11047)

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This speeds up pickling of some iterators.

This fixes also error handling in pickling methods when fail to
look up builtin "getattr".
This commit is contained in:
Serhiy Storchaka 2018-12-11 08:28:18 +02:00 • committed by GitHub
parent 7cf3d8e251
commit bb86bf4c4e
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 68 additions and 72 deletions
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3
Objects/setobject.c
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@ -842,6 +842,7 @@ static PyObject *setiter_iternext(setiterobject *si);
static PyObject *
setiter_reduce(setiterobject *si, PyObject *Py_UNUSED(ignored))
{
_Py_IDENTIFIER(iter);
/* copy the iterator state */
setiterobject tmp = *si;
Py_XINCREF(tmp.si_set);
@ -852,7 +853,7 @@ setiter_reduce(setiterobject *si, PyObject *Py_UNUSED(ignored))
if (list == NULL) {
return NULL;
}
return Py_BuildValue("N(N)", _PyObject_GetBuiltin("iter"), list);
return Py_BuildValue("N(N)", _PyEval_GetBuiltinId(&PyId_iter), list);
}
PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");