Class _ClosedDict

Lib/shelve.py:70–78

Marker for a closed dict. Access attempts raise a ValueError.

class _ClosedDict(collections.abc.MutableMapping):
    'Marker for a closed dict.  Access attempts raise a ValueError.'

    def closed(self, *args):
        raise ValueError('invalid operation on closed shelf')
    __iter__ = __len__ = __getitem__ = __setitem__ = __delitem__ = keys = closed

    def __repr__(self):
        return '<Closed Dictionary>'


class Shelf(collections.abc.MutableMapping):