settings.py

import os

import tornado
import tornado.template
from tornado.options import define, options

define("port", default=9102, help="run on the given port", type=int)
define("config", default=None, help="tornado config file")
define("debug", default=False, help="debug mode")
define("static_path", default=None)
define("with_xunit", default=None)
tornado.options.parse_command_line()

class DeploymentType:
    PRODUCTION = "PRODUCTION"
    DEV = "DEV"
    SOLO = "SOLO"
    STAGING = "STAGING"
    dict = {
        SOLO: 1,
        PRODUCTION: 2,
        DEV: 3,
        STAGING: 4
    }

if 'DEPLOYMENT_TYPE' in os.environ:
    DEPLOYMENT = os.environ['DEPLOYMENT_TYPE'].upper()
else:
    DEPLOYMENT = DeploymentType.SOLO

settings = {}
settings['debug'] = DEPLOYMENT != DeploymentType.PRODUCTION or options.debug

if options.config:
    tornado.options.parse_config_file(options.config)