base.py 文件源码

def __init__(self, log, journaledService, path, loadedCallback):
        self.path = path
        if os.path.exists(path):
            try:
                self.lastSync, obj = pickle.load(open(path, "rb"))
            except (IOError, OSError, pickle.UnpicklingError):
                self.lastSync, obj = 0, None
            loadedCallback(obj)
        else:
            self.lastSync = 0
            loadedCallback(None)
        Journal.__init__(self, log, journaledService)