[DB-SIG] Inheriting from a DBAPI 2.0 Cursor Object
Peter L. Buschman
plblists at iotk.com
Fri Sep 26 06:38:30 EDT 2003
That's even better since that can still allow a pass-through to extended
methods that are present in some of
the driver's out there ( in the case where the dal is used just as an
intelligent driver loader. )
At 06:55 PM 9/25/2003 -0700, Chris Cogdon wrote:
>On Thursday, Sep 25, 2003, at 18:19 US/Pacific, Peter L. Buschman wrote:
>>Thanks so much. I had been so focused on finding an inheritance solution
>>( difficult since the Connection and Cursor objects are not exposed
>>directly in DBAPI ) that I completely missed simply wrapping the relevant
>>objects. DBAPI is not that complex, so wrapping the methods is not
>>that much extra code.
>As a general solution, you can also include a 'auto wrapper' that will
>pass through calls to the wrapped object if they're not defined at the
>def __getattr__ ( self, name ):
> return getattr ( self.db, name )
>... into the class, and then you won't have to write 'trivial' wrappers
>for all the methods that simply pass the call to the wrapped object.
> ("`-/")_.-'"``-._ Chris Cogdon <chris at cogdon.org>
> . . `; -._ )-;-,_`)
> (v_,)' _ )`-.\ ``-'
> _.- _..-_/ / ((.'
>((,.-' ((,/ fL
More information about the DB-SIG