1 from __future__ import annotations 2 USING_STRINGS = True 3 4 # dataclass_module_1.py and dataclass_module_1_str.py are identical 5 # except only the latter uses string annotations. 6 7 import dataclasses 8 import typing 9 10 T_CV2 = typing.ClassVar[int] 11 T_CV3 = typing.ClassVar 12 13 T_IV2 = dataclasses.InitVar[int] 14 T_IV3 = dataclasses.InitVar 15 16 @dataclasses.dataclass 17 class CV: 18 T_CV4 = typing.ClassVar 19 cv0: typing.ClassVar[int] = 20 20 cv1: typing.ClassVar = 30 21 cv2: T_CV2 22 cv3: T_CV3 23 not_cv4: T_CV4 # When using string annotations, this field is not recognized as a ClassVar. 24 25 @dataclasses.dataclass 26 class IV: 27 T_IV4 = dataclasses.InitVar 28 iv0: dataclasses.InitVar[int] 29 iv1: dataclasses.InitVar 30 iv2: T_IV2 31 iv3: T_IV3 32 not_iv4: T_IV4 # When using string annotations, this field is not recognized as an InitVar. 33
