get SOAP with suds

gistfile1.txt

    def GetWithFile(self, client, servicename, modelthings):
        func = client.service.__getattr__('Retrieve' + servicename)
        clientclass = func.clientclass({})
        SoapClient = clientclass(func.client, func.method)
        binding = func.method.binding.input
        soap_xml = binding.get_message(func.method, [modelthings], {})

        #changing SOAP request to receive attachments. May be used different way in other SOAP
        soap_xml.children[0].children[1].children[0].attributes.append(u'attachmentInfo="true"')
        soap_xml.children[0].children[1].children[0].attributes.append(u'attachmentData="true"')
        soap_xml.children[0].children[1].children[0].attributes.append(u'ignoreEmptyElements="true"')

        SoapClient.last_sent(soap_xml)
        plugins = PluginContainer(SoapClient.options.plugins)
        plugins.message.marshalled(envelope=soap_xml.root())
        if SoapClient.options.prettyxml:
            soap_xml = soap_xml.str()
        else:
            soap_xml = soap_xml.plain()
        soap_xml = soap_xml.encode('utf-8')
        plugins.message.sending(envelope=soap_xml)
        request = Request(SoapClient.location(), soap_xml)
        request.headers = SoapClient.headers()
        reply = SoapClient.options.transport.send(request)
        print(reply)

        Files = []
        boundary = self.find_substring(reply.headers['content-type'], 'boundary="', '"')
        if boundary is not "":
            list_of_data = reply.message.split(boundary)
            list_of_data.pop(0)
            list_of_data.pop(len(list_of_data) - 1)
            soap_body = '<SOAP-ENV:Envelope' + self.find_substring(list_of_data[0], '<SOAP-ENV:Envelope', '</SOAP-ENV:Envelope>') + '</SOAP-ENV:Envelope>'

            for line in list_of_data[1:]:
                File = SMFile()
                Files.append(File)
                File.filename = self.find_substring(line, 'Content-Location: ', '\r\n')
                File.key = self.find_substring(line, 'Content-ID: ', '\r\n')

                idx = line.index( 'Content-ID:' )
                start_idx = line.index( '\r\n\r\n' , idx ) + len('\r\n\r\n')
                fin_idx = line.rindex( '\r\n--', start_idx )
                File.body = line[start_idx: fin_idx]
                File.size = fin_idx - start_idx
        else:
            soap_body = '<SOAP-ENV:Envelope' + self.find_substring(reply.message, '<SOAP-ENV:Envelope', '</SOAP-ENV:Envelope>') + '</SOAP-ENV:Envelope>'

        ctx = plugins.message.received(reply=soap_body)
        soap_body = ctx.reply
        if SoapClient.options.retxml:
            answer = soap_body
        else:
            answer = SoapClient.succeeded(binding, soap_body)