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Issue 5449: Fix io.BytesIO to not accept arbitrary keywords 

Patch contributed by Erick Tryzelaar.
This commit is contained in:
Alexandre Vassalotti 2009-08-04 23:19:13 +00:00
parent bbffb25c69
commit ba5c74329d
2 changed files with 8 additions and 1 deletions
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5
Lib/test/test_memoryio.py
View File

@ -461,6 +461,11 @@ class PyBytesIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
self.assertEqual(memio.write(a), 10)
self.assertEqual(memio.getvalue(), buf)
def test_issue5449(self):
buf = self.buftype("1234567890")
self.ioclass(initial_bytes=buf)
self.assertRaises(TypeError, self.ioclass, buf, foo=None)
class TextIOTestMixin:

4
Modules/_io/bytesio.c
View File

@ -759,9 +759,11 @@ bytesio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
static int
bytesio_init(bytesio *self, PyObject *args, PyObject *kwds)
{
char *kwlist[] = {"initial_bytes", NULL};
PyObject *initvalue = NULL;
if (!PyArg_ParseTuple(args, "|O:BytesIO", &initvalue))
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:BytesIO", kwlist,
&initvalue))
return -1;
/* In case, __init__ is called multiple times. */