set up all methods representing the port operations.
        Parameters:
            port -- Port that defines the operations.

def setUpMethods(self, port):
        '''set up all methods representing the port operations.
        Parameters:
            port -- Port that defines the operations.
        '''
        assert isinstance(port, WSDLTools.Port), \
            'expecting WSDLTools.Port not: ' %type(port)

        sd = self._services.get(port.getService().name)
        assert sd is not None, 'failed to initialize.'

        binding = port.getBinding()
        portType = port.getPortType()
        action_in = ''
        for bop in binding.operations:
            try:
                op = portType.operations[bop.name]
            except KeyError, ex:
                raise WsdlGeneratorError,\
                    'Port(%s) PortType(%s) missing operation(%s) defined in Binding(%s)' \
                    %(port.name,portType.name,bop.name,binding.name)

            for ext in bop.extensions:
                 if isinstance(ext, WSDLTools.SoapOperationBinding):
                     action_in = ext.soapAction
                     break
            else:
                warnings.warn('Port(%s) operation(%s) defined in Binding(%s) missing soapAction' \
                    %(port.name,op.name,binding.name)
                )

            msgin = op.getInputMessage()
            msgin_name = TextProtect(msgin.name)
            method_name = self.getMethodName(op.name)

            m = sd.newMethod()
            print >>m, '%sdef %s(self, ps, **kw):' %(self.getIndent(level=1), method_name)
            if msgin is not None:
                print >>m, '%srequest = ps.Parse(%s.typecode)' %(self.getIndent(level=2), msgin_name)
            else:
                print >>m, '%s# NO input' %self.getIndent(level=2)

            msgout = op.getOutputMessage()
            if msgout is not None:
                msgout_name = TextProtect(msgout.name)
                print >>m, '%sreturn request,%s()' %(self.getIndent(level=2), msgout_name)
            else:
                print >>m, '%s# NO output' % self.getIndent(level=2)
                print >>m, '%sreturn request,None' % self.getIndent(level=2)

            print >>m, ''
            print >>m, '%ssoapAction[\'%s\'] = \'%s\'' %(self.getIndent(level=1), action_in, method_name)
            print >>m, '%sroot[(%s.typecode.nspname,%s.typecode.pname)] = \'%s\'' \
                     %(self.getIndent(level=1), msgin_name, msgin_name, method_name)

        return