Matthew Wilson wrote: > I'm writing a function that accepts a function as an argument, and I > want to know to all the parameters that this function expects. How can > I find this out in my program, not by reading the source? > > For example, I would want to know for the function below that I have to > pass in two things: > > def f(x1, x2): return x1 * x2 > > It would be nice to get the names also. > > All help is welcome. > > TIA > > Matt
Check out the inspect module (http://www.python.org/doc/current/lib/inspect-classes-functions.html): >>> from inspect import getargspec >>> getargspec(f) (['x1', 'x2'], None, None, None) George -- http://mail.python.org/mailman/listinfo/python-list