HEX
Server: nginx/1.22.1
System: Linux VM-16-9-centos 3.10.0-1160.99.1.el7.x86_64 #1 SMP Wed Sep 13 14:19:20 UTC 2023 x86_64
User: www (1001)
PHP: 7.3.31
Disabled: passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv
Upload Files
File: //lib/python2.7/site-packages/tuned/patterns.py
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