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| author | Guido van Rossum <guido@python.org> | 2000-02-28 15:01:46 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2000-02-28 15:01:46 (GMT) |
| commit | 46c6b20392ba48280701f132321a06a1699429e9 (patch) | |
| tree | 8afed17dfdfd2f8fd53bcac61f151365d3100ad9 | |
| parent | cecb27a49ca1285fc6fb3190d52768abf85847d1 (diff) | |
| download | cpython-46c6b20392ba48280701f132321a06a1699429e9.zip cpython-46c6b20392ba48280701f132321a06a1699429e9.tar.gz cpython-46c6b20392ba48280701f132321a06a1699429e9.tar.bz2 | |
Patch by Mozhe Zadka, for __contains__ (overloading 'in'). This
patches PySequence_Contains() to check for a valid sq_contains field.
More to follow.
| -rw-r--r-- | Objects/abstract.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Objects/abstract.c b/Objects/abstract.c index 5ee53ee..739d9d9 100644 --- a/Objects/abstract.c +++ b/Objects/abstract.c @@ -1139,7 +1139,14 @@ PySequence_Contains(w, v) /* v in w */ } return 0; } - + if(PyType_HasFeature(w->ob_type, Py_TPFLAGS_HAVE_SEQUENCE_IN)) { + sq = w->ob_type->tp_as_sequence; + if(sq != NULL && sq->sq_contains != NULL) + return (*sq->sq_contains)(w, v); + } + + /* If there is no better way to check whether an item is is contained, + do it the hard way */ sq = w->ob_type->tp_as_sequence; if (sq == NULL || sq->sq_item == NULL) { PyErr_SetString(PyExc_TypeError, |