from enum import Enum


class DataCleaningMode(Enum):
    """Delphi streams data cleaning mode."""

    NO_CLEANING = "NO_CLEANING"

    # Remove data based on item (remove an whole item) and fields (remove particular field) skipping rules only.
    NULLABLE_ONLY = "NULLABLE_ONLY"

    # Remove data based on item, fields skipping rules and filter it with extra fields filters.
    FULL = "FULL"

    def __bool__(self):
        return self.value != DataCleaningMode.NO_CLEANING.value