python调用webservice

import requests
#请求的url
url = "http://127.0.0.1:8282/inmesb/service"
# 请求报文
payload = """
<?xml version="1.0" encoding="utf-8"?>
<soapenv:Envelope xmlns:new="http://newimpl.ws.devicequery.shtel.zhongying.com"
                xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
            xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
                  xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <soapenv:Header>
     <Esb>
      <Route>
      <Sender>00119</Sender>
      <ServCode>021.0001.0.dqPortStatus_new.dqPortStatus_new</ServCode>
       <MsgId>000000001010111</MsgId>
       <Time>202102191123</Time>
        <TransId/>
        <Version>V0.1</Version>
        <AuthCode>d30293e619d144fd13d516a87d0d9eae</AuthCode>
        <AuthType>NONE</AuthType>
        <MsgType/>
        <CarryType/>
        <ServTestFlag/>
          <MsgType/>
         </Route>
       </Esb>
   </soapenv:Header>
   <soapenv:Body>
<new:queryDevice soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
         <searchString xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"
                       xsi:type="soapenc:string">
<![CDATA[
<root>
<sessionid>20210111000003</sessionid>
<devicename>SH-SH-LC-MSE-4.MAN.M6000</devicename>
<deviceip></deviceip>
<funccodes>
<funccode>
<code>dqPortStatus</code>
<params>
<param name="portDescr" value="xgei-0/6/0/2"/>
</params>
</funccode>
</funccodes>
</root>
]]>
</searchString>
      </new:queryDevice>
   </soapenv:Body>
</soapenv:Envelope>
"""
#请求头
headers = {
    'Content-Type': 'application/xml',
    'SOAPAction': ''
}
#返回报文
response=requests.post(url=url,headers=headers,data=payload)
print(response.text)

注意点：headers头部要加 SOAPAction