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Reimplement PySequence_Contains() and instance_contains(), so they work

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safely together and don't duplicate logic (the common logic was factored
out into new private API function _PySequence_IterContains()).
Visible change:
    some_complex_number  in  some_instance
no longer blows up if some_instance has __getitem__ but neither
__contains__ nor __iter__.  test_iter changed to ensure that remains true.
This commit is contained in:
Tim Peters 2001-05-05 21:05:01 +00:00
parent a8defaae04
commit cb8d368b82
4 changed files with 67 additions and 77 deletions
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12
Include/abstract.h
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@ -932,7 +932,17 @@ xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx*/
expression: o.count(value).
*/
DL_IMPORT(int) PySequence_Contains(PyObject *o, PyObject *value);
DL_IMPORT(int) PySequence_Contains(PyObject *seq, PyObject *ob);
/*
Return -1 if error; 1 if ob in seq; 0 if ob not in seq.
Use __contains__ if possible, else _PySequence_IterContains().
*/
DL_IMPORT(int) _PySequence_IterContains(PyObject *seq, PyObject *ob);
/*
Return -1 if error; 1 if ob in seq; 0 if ob not in seq.
Always uses the iteration protocol, and only Py_EQ comparisons.
*/
/* For DLL-level backwards compatibility */
#undef PySequence_In