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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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5
Objects/unicodeobject.c
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@ -15444,14 +15444,15 @@ PyDoc_STRVAR(length_hint_doc, "Private method returning an estimate of len(list(
static PyObject *
unicodeiter_reduce(unicodeiterobject *it, PyObject *Py_UNUSED(ignored))
{
_Py_IDENTIFIER(iter);
if (it->it_seq != NULL) {
return Py_BuildValue("N(O)n", _PyObject_GetBuiltin("iter"),
return Py_BuildValue("N(O)n", _PyEval_GetBuiltinId(&PyId_iter),
it->it_seq, it->it_index);
} else {
PyObject *u = (PyObject *)_PyUnicode_New(0);
if (u == NULL)
return NULL;
return Py_BuildValue("N(N)", _PyObject_GetBuiltin("iter"), u);
return Py_BuildValue("N(N)", _PyEval_GetBuiltinId(&PyId_iter), u);
}
}