"""Module to setup celery client.

   .. moduleauthor:: Xiaodong Wang <xiaodongwang@huawei.com>

   .. note::
      If CELERY_CONFIG_MODULE is set in environment, load celery config from
      the filename declared in CELERY_CONFIG_MODULE.
"""
import os

from celery import Celery


celery = Celery(__name__)
if 'CELERY_CONFIG_MODULE' in os.environ:
    celery.config_from_envvar('CELERY_CONFIG_MODULE')
else:
    from compass.utils import celeryconfig_wrapper as celeryconfig
    celery.config_from_object(celeryconfig)