"""Test PEP 585 in combination with postponed evaluation PEP 563. This check requires Python 3.7 or 3.8! Testing with 3.8 only, to support TypedDict. """ # pylint: disable=missing-docstring,unused-argument,unused-import,too-few-public-methods,invalid-name # pylint: disable=inherit-non-class,unsupported-binary-operation,wrong-import-position,ungrouped-imports # pylint: disable=unused-variable,unnecessary-direct-lambda-call # Disabled because of a bug with pypy 3.8 see # https://github.com/PyCQA/pylint/pull/7918#issuecomment-1352737369 # pylint: disable=multiple-statements from __future__ import annotations import collections import dataclasses import typing from dataclasses import dataclass from typing import Any, Dict, NamedTuple, TypedDict, Union, Tuple AliasInvalid = list[int] # [unsubscriptable-object] class CustomIntList(typing.List[int]): pass class CustomIntListError(list[int]): # [unsubscriptable-object] pass cast_variable = [1, 2, 3] cast_variable = typing.cast(list[int], cast_variable) # [unsubscriptable-object] T = typing.TypeVar("T", list[int], str) # [unsubscriptable-object] (lambda x: 2)(list[int]) # [unsubscriptable-object] # Check typing.NamedTuple CustomNamedTuple = typing.NamedTuple( "CustomNamedTuple", [("my_var", list[int])]) # [unsubscriptable-object] class CustomNamedTuple2(NamedTuple): my_var: list[int] class CustomNamedTuple3(typing.NamedTuple): my_var: list[int] # Check typing.TypedDict CustomTypedDict = TypedDict("CustomTypedDict", my_var=list[int]) # [unsubscriptable-object] CustomTypedDict2 = TypedDict("CustomTypedDict2", {"my_var": list[int]}) # [unsubscriptable-object] class CustomTypedDict3(TypedDict): my_var: list[int] class CustomTypedDict4(typing.TypedDict): my_var: list[int] # Check dataclasses def my_decorator(*args, **kwargs): def wraps(*args, **kwargs): pass return wraps @dataclass class CustomDataClass: my_var: list[int] @dataclasses.dataclass class CustomDataClass2: my_var: list[int] @dataclass() class CustomDataClass3: my_var: list[int] @my_decorator @dataclasses.dataclass class CustomDataClass4: my_var: list[int] var1: set[int] var2: collections.OrderedDict[str, int] var3: dict[str, list[int]] var4: Dict[str, list[int]] var5: dict[tuple[int, int], str] var6: Dict[tuple[int, int], str] var7: list[list[int]] var8: tuple[list[int]] var9: int | list[str | int] var10: Union[list[str], None] var11: Union[Union[list[int], int]] def func(arg: list[int]): pass def func2() -> list[int]: pass Alias2 = Union[list[str], None] # [unsubscriptable-object] Alias3 = Union[Union[list[int], int]] # [unsubscriptable-object] Alias4 = Tuple[list[int]] # [unsubscriptable-object] Alias5 = Dict[str, list[int]] # [unsubscriptable-object] Alias6 = int | list[int] # [unsubscriptable-object] Alias7 = list[list[int]] # [unsubscriptable-object,unsubscriptable-object] import collections.abc import contextlib import re class OrderedDict: pass var12: OrderedDict[str, int] # string annotations aren't checked var13: list[int] var14: collections.OrderedDict[str, int] var15: collections.Counter[int] var16: collections.abc.Iterable[int] var17: contextlib.AbstractContextManager[int] var18: re.Pattern[str] def func3(): AliasInvalid2 = list[int] # [unsubscriptable-object] cast_variable2 = [1, 2, 3] cast_variable2 = typing.cast(list[int], cast_variable2) # [unsubscriptable-object] var19: list[int] def func4(arg=list[int]): # [unsubscriptable-object] pass def func5(arg1: list[int], arg2=set[int]): # [unsubscriptable-object] pass def func6(arg1: list[int], /, *args: tuple[str], arg2: set[int], **kwargs: dict[str, Any]): pass