python类__getitem__()的实例源码

def __getitem__(self, key):
        return self._store[key.lower()][1]

def __getitem__(self, key):
        # We allow fall-through here, so values default to None

        return self.__dict__.get(key, None)

def __getitem__(self, key):
        try:
            return OrderedDict.__getitem__(self, key)
        except KeyError:
            return self.__missing__(key)

def __getitem__(self, key, *args, **kwargs):
            # Get the key and remove it from the cache, or raise KeyError
            value = OrderedDict.__getitem__(self, key)
            del self[key]

            # Insert the (key, value) pair on the front of the cache
            OrderedDict.__setitem__(self, key, value)

            # Return the value from the cache
            return value

def __getitem__(self, key):
        try:
            return OrderedDict.__getitem__(self, key)
        except KeyError:
            return self.__missing__(key)