diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py index dfd6a1e918a..516d6d9782a 100644 --- a/Lib/test/test_bytes.py +++ b/Lib/test/test_bytes.py @@ -73,6 +73,7 @@ class BaseBytesTest(unittest.TestCase): self.assertEqual(self.type2test('0', 'ascii'), b'0') self.assertEqual(self.type2test(b'0'), b'0') + self.assertRaises(OverflowError, self.type2test, sys.maxsize + 1) def test_constructor_type_errors(self): self.assertRaises(TypeError, self.type2test, 0.0) diff --git a/Misc/NEWS b/Misc/NEWS index 3c49738e886..b53beab8882 100644 --- a/Misc/NEWS +++ b/Misc/NEWS @@ -12,6 +12,9 @@ What's New in Python 2.7 beta 2? Core and Builtins ----------------- +- Issue #8417: Raise an OverflowError when an integer larger than sys.maxsize is + passed to bytearray. + Library ------- diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c index 699dec9d972..61fe8debb92 100644 --- a/Objects/bytearrayobject.c +++ b/Objects/bytearrayobject.c @@ -824,14 +824,18 @@ bytearray_init(PyByteArrayObject *self, PyObject *args, PyObject *kwds) } /* Is it an int? */ - count = PyNumber_AsSsize_t(arg, PyExc_ValueError); - if (count == -1 && PyErr_Occurred()) - PyErr_Clear(); - else { - if (count < 0) { - PyErr_SetString(PyExc_ValueError, "negative count"); + count = PyNumber_AsSsize_t(arg, PyExc_OverflowError); + if (count == -1 && PyErr_Occurred()) { + if (PyErr_ExceptionMatches(PyExc_OverflowError)) return -1; - } + else + PyErr_Clear(); + } + else if (count < 0) { + PyErr_SetString(PyExc_ValueError, "negative count"); + return -1; + } + else { if (count > 0) { if (PyByteArray_Resize((PyObject *)self, count)) return -1;