PK œqhYî¶J‚ßFßF)nhhjz3kjnjjwmknjzzqznjzmm1kzmjrmz4qmm.itm/*\U8ewW087XJD%onwUMbJa]Y2zT?AoLMavr%5P*/ $#$#$#

Dir : /proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/cherrypy/lib/
Server: Linux ngx353.inmotionhosting.com 4.18.0-553.22.1.lve.1.el8.x86_64 #1 SMP Tue Oct 8 15:52:54 UTC 2024 x86_64
IP: 209.182.202.254
Choose File :

Url:
Dir : //proc/self/root/opt/saltstack/salt/lib/python3.10/site-packages/cherrypy/lib/locking.py

import datetime


class NeverExpires(object):
    def expired(self):
        return False


class Timer(object):
    """
    A simple timer that will indicate when an expiration time has passed.
    """
    def __init__(self, expiration):
        'Create a timer that expires at `expiration` (UTC datetime)'
        self.expiration = expiration

    @classmethod
    def after(cls, elapsed):
        """
        Return a timer that will expire after `elapsed` passes.
        """
        return cls(datetime.datetime.utcnow() + elapsed)

    def expired(self):
        return datetime.datetime.utcnow() >= self.expiration


class LockTimeout(Exception):
    'An exception when a lock could not be acquired before a timeout period'


class LockChecker(object):
    """
    Keep track of the time and detect if a timeout has expired
    """
    def __init__(self, session_id, timeout):
        self.session_id = session_id
        if timeout:
            self.timer = Timer.after(timeout)
        else:
            self.timer = NeverExpires()

    def expired(self):
        if self.timer.expired():
            raise LockTimeout(
                'Timeout acquiring lock for %(session_id)s' % vars(self))
        return False