interacting with web page auth='user'

odooclient.py

import requests
import random

server = 'http://localhost:8069'

session = requests.Session()
session.headers.update({'Content-Type': 'application/json'})
data = {"jsonrpc": "2.0",
        "id": random.randint(0, 1000000000),
        "method": "call",
        }
data['params'] = {
    "db": 'odoodb',
    "login": 'admin',
    "password": 'admin',
    "base_location": server,
}
res = session.post(server + '/web/session/authenticate', json=data)
session_id = res.json()['result']['session_id']
session.post(server + '/connector_esb/contract',
             json={"id": 998, "label": "test call55"},
             )