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authorRaymond Hettinger <python@rcn.com>2005-08-21 11:09:58 (GMT)
committerRaymond Hettinger <python@rcn.com>2005-08-21 11:09:58 (GMT)
commit9314d3261d5b81dca1a997a698b5d01f6a04299e (patch)
tree544513d5922d720bb9afa394fe94c17647707297 /Objects/listobject.c
parent8c86f88af8321fea0ab581b36e03e6acd4d1bc41 (diff)
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SF bug #1242657: list(obj) can swallow KeyboardInterrupt
Fix over-aggressive PyErr_Clear(). The same code fragment appears in various guises in list.extend(), map(), filter(), zip(), and internally in PySequence_Tuple().
Diffstat (limited to 'Objects/listobject.c')
-rw-r--r--Objects/listobject.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/Objects/listobject.c b/Objects/listobject.c
index 08ab095..3b7358a 100644
--- a/Objects/listobject.c
+++ b/Objects/listobject.c
@@ -777,6 +777,11 @@ listextend(PyListObject *self, PyObject *b)
/* Guess a result list size. */
n = PyObject_Size(b);
if (n < 0) {
+ if (!PyErr_ExceptionMatches(PyExc_TypeError) &&
+ !PyErr_ExceptionMatches(PyExc_AttributeError)) {
+ Py_DECREF(it);
+ return NULL;
+ }
PyErr_Clear();
n = 8; /* arbitrary */
}