Cloudant Python connection pooling and cookie renewal (Gunicorn)

main.py

# WARNING: THIS CODE HAS NOT BEEN TESTED!

from apscheduler.scheduler import Scheduler
from requests.adapters import HTTPAdapter
import cloudant
import logging
import json
import os

# setup connection pooling - see http://stackoverflow.com/questions/29046503/cloudant-python-https-connection-pooling

httpAdapter = HTTPAdapter(pool_connections=10, pool_maxsize=100)

account = cloudant.Account('education', async=False)
account._session.adapters['https://'] = httpAdapter
account.login(os.environ['cl_username'], os.environ['cl_password'])

# schedule job to renew cookie

def renew_session_cookie():
    # TODO: is this threadsafe?
    account.login(os.environ['cl_username'], os.environ['cl_password'])

apsched = Scheduler()
apsched.start()
apsched.add_interval_job(renew_session_cookie, hours=1)

# Gunicorn Rest handler method ...

def app(environ, start_response):

    db = account.database('foundbite')

    db_response = db.get( '_all_docs' )
    data = str.encode(json.dumps(db_response.json()))
    status = str(db_response.status_code)

    response_headers = [
        ('Content-type', 'application/json'),
        ('Content-Length', str(len(data))),
    ]
    start_response(status, response_headers)
    return iter([data])