Mercurial > cpython-lru_cache-weakref
diff Modules/itertoolsmodule.c @ 32011:50708b8f0d28 2.3
SF #950057: itertools.chain doesn't "process" exceptions as they occur
Both cycle() and chain() were handling exceptions only when switching
input sources. The patch makes the handle more immediate.
| author | Raymond Hettinger <python@rcn.com> |
|---|---|
| date | Sat, 08 May 2004 19:52:39 +0000 |
| parents | 97f3d66558fb |
| children |
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--- a/Modules/itertoolsmodule.c Fri May 07 19:13:47 2004 +0000 +++ b/Modules/itertoolsmodule.c Sat May 08 19:52:39 2004 +0000 @@ -94,6 +94,12 @@ PyList_Append(lz->saved, item); return item; } + if (PyErr_Occurred()) { + if (PyErr_ExceptionMatches(PyExc_StopIteration)) + PyErr_Clear(); + else + return NULL; + } if (PyList_Size(lz->saved) == 0) return NULL; it = PyObject_GetIter(lz->saved); @@ -1049,6 +1055,12 @@ item = PyIter_Next(it); if (item != NULL) return item; + if (PyErr_Occurred()) { + if (PyErr_ExceptionMatches(PyExc_StopIteration)) + PyErr_Clear(); + else + return NULL; + } lz->iternum++; } return NULL;