8000 gh-119053: Implement the fast path for list.__getitem__ by corona10 · Pull Request #119112 · python/cpython · GitHub
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gh-119053: Implement the fast path for list.__getitem__ #119112

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Merged
merged 8 commits into from
May 21, 2024
Merged

gh-119053: Implement the fast path for list.__getitem__ #119112

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f895ca9
gh-119053: Implement the fast path for list.__getitem__
corona10 May 17, 2024
8b96ae2
fix
corona10 May 17, 2024
8e832e0
nit
corona10 May 17, 2024
b6ac85f
nit
corona10 May 17, 2024
c451a5d
fix
corona10 May 17, 2024
5ae49e3
Address code review
corona10 May 18, 2024
0e22983
Merge remote-tracking branch 'upstream/main' into gh-119053
corona10 May 18, 2024
7fd2126
Raise index error if the item is NULL;
corona10 May 18, 2024
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Raise index error if the item is NULL;
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@corona10
corona10 committed May 18, 2024
commit 7fd2126ea011799b64a481b039ca61c42a7b4a52
10 changes: 8 additions & 2 deletions Objects/listobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -659,11 +659,17 @@ list_item(PyObject *aa, Py_ssize_t i)
PyErr_SetObject(PyExc_IndexError, &_Py_STR(list_err));
return NULL;
}
PyObject *item;
#ifdef Py_GIL_DISABLED
return list_get_item_ref(a, i);
item = list_get_item_ref(a, i);
if (item == NULL) {
PyErr_SetObject(PyExc_IndexError, &_Py_STR(list_err));
return NULL;
}
#else
return Py_NewRef(a->ob_item[i]);
item = Py_NewRef(a->ob_item[i]);
#endif
return item;
}

static PyObject *
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