sessions.py 文件源码

def _regenerate(self):
        if self.id is not None:
            if self.debug:
                cherrypy.log(
                    'Deleting the existing session %r before '
                    'regeneration.' % self.id,
                    'TOOLS.SESSIONS')
            self.delete()

        old_session_was_locked = self.locked
        if old_session_was_locked:
            self.release_lock()
            if self.debug:
                cherrypy.log('Old lock released.', 'TOOLS.SESSIONS')

        self.id = None
        while self.id is None:
            self.id = self.generate_id()
            # Assert that the generated id is not already stored.
            if self._exists():
                self.id = None
        if self.debug:
            cherrypy.log('Set id to generated %s.' % self.id,
                         'TOOLS.SESSIONS')

        if old_session_was_locked:
            self.acquire_lock()
            if self.debug:
                cherrypy.log('Regenerated lock acquired.', 'TOOLS.SESSIONS')