Log a user in (create an account if user does not exists)

sso-login.py

import requests
import base64
import hashlib
import hmac
import simplejson
import time

PUNCHTAB_CLIENT_ID = '2128281015' #client_id
PUNCHTAB_SECRET_KEY = '<YOUR SECRET KEY>'
PUNCHTAB_ACCESS_KEY = 'c370b56450e41a8f689fffb2374e7ef4' #key

user = simplejson.dumps({'id': '2', 'first_name': 'John', 'last_name': 'Doe', 
                            'email': 'john.doe@example.net', 
                            'avatar_link': 'http://s3.amazonaws.com/punchtab-static/zzzzzz/img/team/lewolf.jpg'})

auth_request = base64.b64encode(user)

timestamp = int(time.time())

signature = hmac.HMAC(PUNCHTAB_SECRET_KEY, '%s %s' % (auth_request, timestamp), hashlib.sha1).hexdigest()

payload = dict(client_id=PUNCHTAB_CLIENT_ID , 
                key=PUNCHTAB_ACCESS_KEY, auth_request=auth_request, 
                timestamp= timestamp, signature = signature)

r = requests.post('https://api.punchtab.com/v1/auth/sso',data=payload)

print r.json()
'''returns
{
  u'status': u'connected', 
  u'authResponse': {
    u'expiresIn': 1209600, 
    u'newUser': False, 
    u'userID': u'2_56730', 
    u'uid': u'4455181', 
    u'accessToken': u'e72cf11d3c92428ba8dea5b53370553b'
  }
}
'''