sh_cpl/src/cpl_query/extension/ordered_iterable_abc.py
2021-11-01 20:43:25 +01:00

43 lines
1.1 KiB
Python

from abc import abstractmethod
from collections import Callable
from cpl_query.extension.iterable_abc import IterableABC
class OrderedIterableABC(IterableABC):
@abstractmethod
def __init__(self, _func: Callable = None):
IterableABC.__init__(self)
self._funcs: list[Callable] = []
if _func is not None:
self._funcs.append(_func)
@abstractmethod
def then_by(self, func: Callable) -> 'OrderedIterableABC':
r"""Sorts OrderedList in ascending order by function
Parameter
---------
func: :class:`Callable`
Returns
-------
list of :class:`cpl_query.extension.OrderedIterableABC`
"""
pass
@abstractmethod
def then_by_descending(self, func: Callable) -> 'OrderedIterableABC':
r"""Sorts OrderedList in descending order by function
Parameter
---------
func: :class:`Callable`
Returns
-------
list of :class:`cpl_query.extension.OrderedIterableABC`
"""
pass