def system_methodSignature(self, method_name):
        """system.methodSignature('add') => [double, int, int]

        Returns a list describing the signature of the method. In the
        above example, the add method takes two integers as arguments
        and returns a double result.

        This server does NOT support system.methodSignature."""

        # See http://xmlrpc.usefulinc.com/doc/sysmethodsig.html

        return 'signatures not supported'
system.methodSignature('add') => [double, int, int]

        Returns a list describing the signature of the method. In the
        above example, the add method takes two integers as arguments
        and returns a double result.

        This server does NOT support system.methodSignature.
debugger/src/_pydev_imps/_pydev_SimpleXMLRPCServer.py