import os import json PARENT_FOLDER = os.path.dirname(os.path.dirname(os.path.realpath(__file__))) CONFIG_FILE = os.path.join(PARENT_FOLDER, 'config.json') config_exists = os.path.isfile(CONFIG_FILE) if config_exists: with open(CONFIG_FILE) as f: config = json.load(f) def get_config_field(field, default_val = None): if field in os.environ: return os.environ[field] if config_exists and field in config and config[field] != '': return config[field] if default_val is not None: return default_val raise Exception('Please configure {}'.format(field)) ZMQ_DEV_PORT = get_config_field('ZMQ_DEV_PORT', '8002') ZMQ_CONNECTION_STRING = get_config_field('ZMQ_CONNECTION_STRING', 'tcp://0.0.0.0:%s' % ZMQ_DEV_PORT)