patcher.py 文件源码

def _fix_py3_rlock(old):
    import gc
    import threading
    new = threading._PyRLock()
    while old._is_owned():
        old.release()
        new.acquire()
    if old._is_owned():
        new.acquire()
    gc.collect()
    for ref in gc.get_referrers(old):
        try:
            ref_vars = vars(ref)
        except TypeError:
            pass
        else:
            for k, v in ref_vars.items():
                if v == old:
                    setattr(ref, k, new)