def help(self, method=None):
        (function, returns, args, doc) = self.methods[method]
        xml = """
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body><%(method)s xmlns="%(namespace)s"/></soap:Body>
</soap:Envelope>""" % {'method': method, 'namespace': self.namespace}
        request = SimpleXMLElement(xml, namespace=self.namespace, prefix=self.prefix)
        if args:
            items = args.items()
        elif args is None:
            items = [('value', None)]
        else:
            items = []
        for k, v in items:
            request(method).marshall(k, v, add_comments=True, ns=False)

        xml = """
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body><%(method)sResponse xmlns="%(namespace)s"/></soap:Body>
</soap:Envelope>""" % {'method': method, 'namespace': self.namespace}
        response = SimpleXMLElement(xml, namespace=self.namespace, prefix=self.prefix)
        if returns:
            items = returns.items()
        elif args is None:
            items = [('value', None)]
        else:
            items = []
        for k, v in items:
            response('%sResponse' % method).marshall(k, v, add_comments=True, ns=False)

        return request.as_xml(pretty=True), response.as_xml(pretty=True), doc
Generate sample request and response messages
dataset/ETHPy150Open uwdata/termite-data-server/web2py/gluon/contrib/pysimplesoap/server.py/SoapDispatcher.help