Mixin class error

[Ed Leafe]

On Mar 6, 2006, at 8:08 PM, Kent Johnson wrote:

> I have no clue but googling 'type is not an acceptable base type'  
> finds
> this thread
> http://groups.google.com/group/comp.lang.python/browse_thread/ 
> thread/628b8ad34a36db17/579f716b143f4967%23579f716b143f4967? 
> sa=X&oi=groupsr&start=0&num=3

	I spent about an hour Googling and never found that thread!

> So it looks like kinterbasdb.Cursor is a C extension class that may  
> not
> be subclassed because Py_TPFLAGS_BASETYPE is not set. Whether this  
> is by
> design or accident would be a question for the kinterbasdb developers.

	OK, I'll ask them.

> One workaround might be to use delegation instead of subclassing...

	Yeah, but that would involve a lot more work at this point. The  
mixin approach has been working quite well up until this problem.

-- Ed Leafe
-- http://leafe.com
-- http://dabodev.com