Xavier Décoret wrote: > Hello, > > I have the following code: > > def foo(x,y): > pass > > How can I query the function object foo to know the number of parameters > it expects. I can find it is a function using callable(f), I can find > some information (listed by dir(foo)) such as the name of the > function,etc.. but nowhere I can find the number of arguments. > > I would like to know wether the function expects one or zero arguments.
foo.func_code.co_argcount gives the count of named args. len(foo.func_code.co_varnames) gives the total number of arguments including *args and **kwds args. inspect.getargspec() might also be helpful. Kent -- http://mail.python.org/mailman/listinfo/python-list