mirror of
https://github.com/thegeeklab/prometheus-pve-sd.git
synced 2024-10-31 23:50:39 +00:00
20 lines
440 B
Python
20 lines
440 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(Singleton, cls).__call__(*args, **kwargs)
|
|
return cls._instances[cls]
|