import requests

HTTP_BASE_URL = 'http://localhost:8000'

with requests.Session() as session:
    data = {'username': 'OOOO', 'password': 'OOOO'}
    response = session.post(HTTP_BASE_URL + '/user/signin/', json=data)

    csrf_token = session.cookies.get('csrftoken')
    headers = {'X-CSRFToken': csrf_token}

    response = session.post(HTTP_BASE_URL + '/operation/1/', json={'on': True}, headers=headers)

    response = session.get(HTTP_BASE_URL + '/channel/', headers=headers)
    print(response.json())  # [{'channel': 1, 'name': 'OOOO', 'inUse': True}, ...]

    response = session.post(HTTP_BASE_URL + '/operation/1/', json={'on': False}, headers=headers)
    
    response = session.get(HTTP_BASE_URL + '/channel/', headers=headers)
    print(response.json())  # [{'channel': 1, 'name': 'OOOO', 'inUse': False}, ...]

    response = session.post(HTTP_BASE_URL + '/user/signout/', headers=headers)