Viki.com API Login revised

viki_test2.py

import requests
import sys
import getpass
import time
import hashlib
import hmac
import json

_API_QUERY_TEMPLATE = '/v4/%sapp=%s&t=%s&site=www.viki.com'
_API_URL_TEMPLATE = 'https://api.viki.io%s&sig=%s'

_APP = '100000a' # '100005a'
_APP_VERSION = '2.2.5.1428709186'
_APP_SECRET = 'MM_d*yP@`&1@]@!AVrXf_o-HVEnoTnm$O-ti4[G~$JDI/Dc-&piU&z&5.;:}95=Iad'
# _APP_SECRET_1 = '-$iJ}@p7!G@SyU/je1bEyWg}upLu-6V6-Lg9VD(]siH,r.,m-r|ulZ,U4LC/SeR)'
# _APP_SECRET_2 = 'MM_d*yP@`&1@]@!AVrXf_o-HVEnoTnm$O-ti4[G~$JDI/Dc-&piU&z&5.;:}95=Iad'
# _APP_SECRET_3 = '' ??
# raw_APP_SECRET_1 = '' ??
# raw_APP_SECRET_2 = 'a4e52e9b08620b7131d1830c71cde6cf03c4a7b00d664d9dec8ee27a19d13ba0'
# raw_APP_SECRET_3 = 'd96704b180208dbb2efa30fe44c48bd8690441af9f567ba8fd710a72badc85198f7472'

_token = None

def cred_login():
    user = input("User: ")
    password = getpass.getpass()
    return login(user=user, password=password)

def login(user=None, password=None, login_json=None):
    
    if user is None:
        if login_json is None:
            print("provide either user/pass or login json")
            return
        else:
            login_form = login_json
    else:
        login_form_cred = {
            "login_id": user,
            "password": password,
        }
        login_form = login_form_cred

    path = 'sessions.json'
    path += '?' if '?' not in path else '&'
    timestamp = ''
    if not timestamp:
        timestamp = int(time.time())
    query = _API_QUERY_TEMPLATE % (path, _APP, timestamp)
    sig = hmac.new(
        _APP_SECRET.encode('ascii'),
        query.encode('ascii'),
        hashlib.sha1
    ).hexdigest()
    url = _API_URL_TEMPLATE % (query, sig)

    r = requests.post(url, json=login_form)
    return r.json().get("token")

login_form = {
        "login_id": "USERNAME",
        "password": "SECRET",
    }

# input user and password in terminal 
print(cred_login())

# provide a login_form ~ useful for automated testing
#print(login(login_form))

# provide user and password directly ~ useful for automated testing
#print(login("USERNAME", "SECRET"))