A Python list for prestidigitators

perplexing_list.py

class PerplexingList(UserList):
    """
    A list that may veil or unveil elements of a certain type at different types.
    Useful for boneheaded libraries.
    """

    veiled: bool = False
    masked_type: type

    class PerplexingIterator(Iterator):
        """An iterator that makes it so that all masked_type instances contained within may not be recovered"""

        def __init__(self, underlying_list, masked_type):
            self.underlying_iterator = iter(underlying_list.data)
            self.masked_type = masked_type

        def __next__(self):
            result = next(self.underlying_iterator)
            while isinstance(result, self.masked_type):
                result = next(self.underlying_iterator)
            return result

    def __iter__(self):
        return PerplexingList.PerplexingIterator(self, self.masked_type) if self.veiled else iter(self)

    def unveil(self):
        self.veiled = False

    def veil(self, masked_type: type):
        self.veiled = True
        self.masked_type = masked_type