import os

class ClSec:
    class NoRootException(Exception):
        def __init__(self):
             Exception.__init__(self,'You need to be root to perform this command.')

    def is_root():
        if (os.geteuid() != 0):
            return False
        return True
    is_root = staticmethod(is_root)

    def check_root():
        if not (ClSec.is_root()):
            raise ClSec.NoRootException()
    check_root = staticmethod(check_root)