The Xmlrpc Introspection API

An unofficial addendum to the XML-RPC specification defines three special functions in the system namespace, as a convenience to users who might not know which functions an XML-RPC server supports, or what those functions might do. These special functions are the web service equivalent of Python's ever-useful dir and help commands. Both SimpleXMLRPCServer and CGIXMLRPCRequestHandler support two of the three introspection functions, assuming you call the register_introspection_functions method...