Server : Apache System : Linux profile 3.10.0-1160.88.1.el7.x86_64 #1 SMP Tue Mar 7 15:41:52 UTC 2023 x86_64 User : apache ( 48) PHP Version : 8.0.28 Disable Function : NONE Directory :  /lib/python2.7/site-packages/tuned/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

class Singleton(object):
	"""
	Singleton design pattern.
	"""

	_instance = None

	def __init__(self):
		if self.__class__ is Singleton:
			raise TypeError("Cannot instantiate directly.")

	@classmethod
	def get_instance(cls):
		"""Get the class instance."""
		if cls._instance is None:
			cls._instance = cls()
		return cls._instance