Function sync_proxy

recipes/Python/496742_ShelfProxy/recipe-496742.py:71–78

(proxy)

def sync_proxy(proxy):
    if object.__getattribute__(proxy, "_invalidated"):
        raise InvalidationError("the proxy has been invalidated (the key was reassigned)")
    shelf = object.__getattribute__(proxy, "_shelf")
    key = object.__getattribute__(proxy, "_key")
    obj = object.__getattribute__(proxy, "_obj")
    shelf[key] = obj
    shelf.sync()

def open(*args):
    return ShelfWrapper( shelve.open(*args) )