"Lonnie Princehouse" wrote: > I expect you could combine the following with decorators as an easy way > to grab a function's locals just before it exits... you could also use > exec or eval to execute code in the function's local namespace. > --------------------------------------- > > # Try it: > > def trace_returns(frame, event, arg): > if event == 'return': > print "[frame locals just before return: %s]" % frame.f_locals > return trace_returns > > def foo(a, b): > return a + b > > import sys > sys.settrace(trace_returns) > > foo(1,2) >
Thanks, that's the closest to what I wanted. A minor point I didn't quite get from the documentation is how to set a local trace instead of a global (sys) trace. Also, there's no sys.gettrace() to return the current tracer; is there a way around this ? George -- http://mail.python.org/mailman/listinfo/python-list
