sessions.py 文件源码

def _load(self, path=None):
        assert self.locked, ('The session load without being locked.  '
                             "Check your tools' priority levels.")
        if path is None:
            path = self._get_file_path()
        try:
            f = open(path, 'rb')
            try:
                return pickle.load(f)
            finally:
                f.close()
        except (IOError, EOFError):
            e = sys.exc_info()[1]
            if self.debug:
                cherrypy.log('Error loading the session pickle: %s' %
                             e, 'TOOLS.SESSIONS')
            return None