21 lines
565 B
Python
21 lines
565 B
Python
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from abc import abstractmethod
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from collections import Callable
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from cpl_query.extension.iterable_abc import IterableABC
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class OrderedIterableABC(IterableABC):
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@abstractmethod
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def __init__(self, _func: Callable = None):
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IterableABC.__init__(self)
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self._funcs: list[Callable] = []
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if _func is not None:
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self._funcs.append(_func)
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@abstractmethod
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def then_by(self, func: Callable) -> 'OrderedIterableABC': pass
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@abstractmethod
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def then_by_descending(self, func: Callable) -> 'OrderedIterableABC': pass
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