process_lock.py 文件源码

def interprocess_locked(path):
    """Acquires & releases a interprocess lock around call into
       decorated function."""

    lock = InterProcessLock(path)

    def decorator(f):

        @six.wraps(f)
        def wrapper(*args, **kwargs):
            with lock:
                return f(*args, **kwargs)

        return wrapper

    return decorator