from socutils import get_settings
import os

script_location = os.path.dirname(os.path.realpath(__file__))
os.chdir(script_location)

setting = get_settings('/appconfig/ptconnector-setting.yaml')


class Singleton(type):
    _instances = {}

    def __call__(cls, *args, **kwargs):
        if cls not in cls._instances:
            cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
        return cls._instances[cls]