[Python-Dev] A Hygienic Macro System in Python? (original) (raw)

Patrick K. O'Brien pobrien@orbtech.com
Tue, 19 Mar 2002 08:01:50 -0600

The pure Python version doesn't seem too bad.

def transact(call): if not callable(call): raise TypeError doc.BeginTransaction() try: try: call() except: # an error occurred part way through. make sure everything # is reverted (sort of a rollback) doc.AbortTransaction() finally: doc.EndTransaction()

def something(): pass

transact(something)

Patrick K. O'Brien Orbtech