prometheus-pve-sd/prometheuspvesd/utils.py

20 lines
426 B
Python

#!/usr/bin/env python3
"""Global utility methods and classes."""
from distutils.util import strtobool
def to_bool(string):
return bool(strtobool(str(string)))
class Singleton(type):
"""Meta singleton class."""
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super().__call__(*args, **kwargs)
return cls._instances[cls]