Class SequenceExclude

scrapy/utils/datatypes.py:189–196

Object to test if an item is NOT within some sequence.

class SequenceExclude:
    """Object to test if an item is NOT within some sequence."""

    def __init__(self, seq: Sequence[Any]):
        self.seq: Sequence[Any] = seq

    def __contains__(self, item: Any) -> bool:
        return item not in self.seq