import requests
endpoint = "https://api2.vetrf.ru:8002"
data = {'login':'1111111','passw':'2222222}
headers = {'SOAPAction':'submitApplication', 'Content-Type': 'text/xml; charset=utf-8','Accept-Charset':'utf-8','User-Agent': '1C+Enterprise/8.3','Connection': 'Keep-Alive'}
session = requests.session()
session.headers = headers
response = session.post(url=endpoint, data=data)
print(response.content)