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authorBenjamin Peterson <benjamin@python.org>2011-07-29 14:23:47 -0500
committerBenjamin Peterson <benjamin@python.org>2011-07-29 14:23:47 -0500
commitce071ca4e76b67060f55c6ed6fd9a7433cb66013 (patch)
tree92ad6b3e0b6c42c342f3ad1886902b6aa14107f6 /Python
parente12c0b1767309ec1fe727e91f8d4c0cfae4a88a8 (diff)
downloadcpython-git-ce071ca4e76b67060f55c6ed6fd9a7433cb66013.tar.gz
bytes should be verboten in sum() (fixes #12654)
Diffstat (limited to 'Python')
-rw-r--r--Python/bltinmodule.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 291ef45e67..82fb9ad165 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1888,6 +1888,11 @@ builtin_sum(PyObject *self, PyObject *args)
Py_DECREF(iter);
return NULL;
}
+ if (PyBytes_Check(result)) {
+ PyErr_SetString(PyExc_TypeError,
+ "sum() can't sum bytes [use b''.join(seq) instead]");
+ return NULL;
+ }
if (PyByteArray_Check(result)) {
PyErr_SetString(PyExc_TypeError,
"sum() can't sum bytes [use b''.join(seq) instead]");