Hi Zopists, I would like to know how to call a method of an instance in ZODB from Python product class which is not class of that instance. Thanks in advance, Petr PS If you know also some URL on the topic please give me it also. -- Petr Knápek NEXTRA Czech Republic, s.r.o., Hlinky 114, 603 00 Brno, Czech Republic e-mail: mailto:petr.knapek@nextra.cz tel:+420-5-43 554 150 FAX:+420-5-43 554 214