python调用WebService接口

webservice.py

DATALIST="""<?xml version="1.0" encoding="utf-8"?>
<soap12:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://www.w3.org/2003/05/soap-envelope">
  <soap12:Body>
    <GetDataListByDate xmlns="http://tempuri.org/">
      <token>%(token)s</token>
      <fromDate>%(fdate)s</fromDate>
      <toDate>%(tdate)s</toDate>
    </GetDataListByDate>
  </soap12:Body>
</soap12:Envelope>"""

def get_list_by_date(token,fromDate,toDate):
    r=requests.post(HOST+'/api/StepDataService.asmx',data=DATALIST%dict(token=token,fdate=fromDate,tdate=toDate),headers = {'content-type': 'application/soap+xml','charset':'utf-8'})
    if r.status_code in [200,201,202,203]:
        print r.text
    else:
        print r.status_code