flask-mongoengine-heroku-mongohq.py

#
# Connecting to MonogHQ via heroku with flask and mongoengine
#
# heroku/mongohq exposes the mongodb connection uri in the os.envion['MONGOHQ_URL']
#
 
# config.py
 
import os
 

MONGO_URI = os.environ.get('MONGOHQ_URL', None)
 
# ...
 
MONGODB_SETTINGS = {}
 
# MongoDB Config
if not MONGO_URI:
    # local config:
    MONGODB_SETTINGS['db'] = 'localdev'
    MONGODB_SETTINGS['host'] = 'localhost'
    MONGODB_SETTINGS['port'] = 27017
else:
    # heroku:

    # mongoengine.connect() accepts a host uri parameter, but also requires
    # a db parameter. So grab it from the end of the host uri.
    MONGODB_SETTINGS['db'] = MONGO_URI.split("/")[-1]
    MONGODB_SETTINGS['host'] = MONGO_URI
 
# ...