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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
Modules/itertoolsmodule.c
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@ -368,8 +368,9 @@ _grouper_next(_grouperobject *igo)
static PyObject *
_grouper_reduce(_grouperobject *lz, PyObject *Py_UNUSED(ignored))
{
_Py_IDENTIFIER(iter);
if (((groupbyobject *)lz->parent)->currgrouper != lz) {
return Py_BuildValue("N(())", _PyObject_GetBuiltin("iter"));
return Py_BuildValue("N(())", _PyEval_GetBuiltinId(&PyId_iter));
}
return Py_BuildValue("O(OO)", Py_TYPE(lz), lz->parent, lz->tgtkey);
}