diff options
| -rw-r--r-- | Lib/test/test_class.py | 8 | ||||
| -rw-r--r-- | Objects/classobject.c | 10 |
2 files changed, 14 insertions, 4 deletions
diff --git a/Lib/test/test_class.py b/Lib/test/test_class.py index 6c91deb..26b8e7a 100644 --- a/Lib/test/test_class.py +++ b/Lib/test/test_class.py @@ -172,6 +172,14 @@ testme ^ 1 # List/dict operations +class Empty: pass + +try: + 1 in Empty() + print 'failed, should have raised TypeError' +except TypeError: + pass + 1 in testme testme[1] diff --git a/Objects/classobject.c b/Objects/classobject.c index 7680a3d..8560b68 100644 --- a/Objects/classobject.c +++ b/Objects/classobject.c @@ -1318,15 +1318,17 @@ instance_contains(PyInstanceObject *inst, PyObject *member) /* Couldn't find __contains__. */ if (PyErr_ExceptionMatches(PyExc_AttributeError)) { + Py_ssize_t rc; /* Assume the failure was simply due to that there is no * __contains__ attribute, and try iterating instead. */ PyErr_Clear(); - return _PySequence_IterSearch((PyObject *)inst, member, - PY_ITERSEARCH_CONTAINS) > 0; + rc = _PySequence_IterSearch((PyObject *)inst, member, + PY_ITERSEARCH_CONTAINS); + if (rc >= 0) + return rc > 0; } - else - return -1; + return -1; } static PySequenceMethods |