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):
        for k, v in vars(ref):
            if v == old:
                setattr(ref, k, new)