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"""Test related function for generic alias.
Any solution should not change the behavior of
- `__getitem__`
- `__class_getitem__`
- `metaclass=ABCMeta`
"""
# flake8: noqa
# pylint: disable=missing-docstring,pointless-statement,expression-not-assigned
# pylint: disable=too-few-public-methods,multiple-statements,line-too-long, unnecessary-lambda-assignment
from abc import ABCMeta, abstractmethod
import typing
class ClsUnsubscriptable:
def __init__(self):
pass
class ClsGetItem:
def __init__(self):
self.var = [1, 2, 3, 4]
def __getitem__(self, item):
return self.var[item]
class ClsClassGetItem:
def __init__(self):
pass
__class_getitem__ = lambda cls, x: None
class ClsList(typing.List):
pass
ClsUnsubscriptable()[1] # [unsubscriptable-object]
ClsUnsubscriptable[int] # [unsubscriptable-object]
ClsGetItem()[1]
ClsGetItem[int] # [unsubscriptable-object]
ClsClassGetItem()[1] # [unsubscriptable-object]
ClsClassGetItem[int]
# subscriptable because of inheritance
ClsList([0, 1, 2])[1]
ClsList[int]
class ClsAbstract(metaclass=ABCMeta):
@abstractmethod
def abstract_method(self):
pass
class Derived(ClsAbstract): # [abstract-method]
pass
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