API design question for dbf.py

[MRAB]

On 06/07/2012 22:34, Ethan Furman wrote:
> I'm looking for some free advice.  ;)
>
> My dbf module has three basic containers, all of which support list-like
> access:  Table, List, and Index, each of which is filled with _DbfRecords.
>
> The fun part is that a _DbfRecord can compare equal to another
> _DbfRecord, a _DbfRecordTemplate, a tuple with the same values in the
> same locations, or a dict with the same keys/fields and values.
>
> The really fun part is __contains__:  should the __contains__ method
> return True when a _DbfRecordTemplate, tuple, or dict is looked up in
> the Table, List, or Index and there is a matching record?
>
Well, if x is in c and x == y, then y is in c. Does that help? ;-)