Nicer interface for JSON-like data in python

selector.py

class Selector:
    def __init__(self, *j):
        self.__contents = j

    def __getattr__(self, attr):
        return Selector(*(v[attr] for v in self.__contents))

    def __getitem__(self, idx):
        if idx is Ellipsis:
            return Selector(*(x for v in self.__contents for x in v))
        if idx is None:
            assert(all(len(v) == 1 for v in self.__contents))
            idx = 0
        return Selector(*(v[idx] for v in self.__contents))

    def __eq__(self, other):
        return self.__contents == other.__contents

    def __str__(self):
        assert(len(self.__contents) == 1)
        return str(self.__contents[0])

    def __int__(self):
        assert(len(self.__contents) == 1)
        return int(self.__contents[0])

    def __iter__(self):
        for c in self.__contents:
            for x in c:
                yield Selector(x)

    def __repr__(self):
        return f'Selector(*{repr(self.__contents)})'

    def __invert__(self):
        return self.__contents