On Jan 22, 2008 1:26 PM, tomer filiba <tomerfiliba at gmail.com> wrote: > >>> class Foo(object): > ... def __contains__(self, key): > ... return 17 > ... def __eq__(self, other): > ... return 19 > ... > >>> > >>> f=Foo() > >>> f == 8 > 19 > >>> 8 in f > True There are many places in the C implementation where a slot returns an int rather than a PyObject. There other replies in this thread seem to support altering the signature of the slot to return a PyObject. Is this setting a precedent that _all_ slots should return a PyObject? Consider the following third behavior: >>> class foo(object): ... def __len__(self): ... return 'foo' ... >>> x = foo() >>> len(x) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: an integer is required -- Daniel Stutzbach, Ph.D. President, Stutzbach Enterprises LLC
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