styles.py 文件源码

def __getstate__(self):
        log.msg( "WARNING: serializing ephemeral %s" % self )
        if not _PYPY:
            import gc
            if getattr(gc, 'get_referrers', None):
                for r in gc.get_referrers(self):
                    log.msg( " referred to by %s" % (r,))
        return None