cpython/Lib/test/dataclass_module_2_str.py at 3.10 · python/cpython

32 lines (26 loc) · 754 Bytes

from __future__ import annotations

USING_STRINGS = True

# dataclass_module_2.py and dataclass_module_2_str.py are identical

# except only the latter uses string annotations.

from dataclasses import dataclass, InitVar

from typing import ClassVar

T_CV2 = ClassVar[int]

T_CV3 = ClassVar

T_IV2 = InitVar[int]

T_IV3 = InitVar

@dataclass

class CV:

T_CV4 = ClassVar

cv0: ClassVar[int] = 20

cv1: ClassVar = 30

cv2: T_CV2

cv3: T_CV3

not_cv4: T_CV4 # When using string annotations, this field is not recognized as a ClassVar.

@dataclass

class IV:

T_IV4 = InitVar

iv0: InitVar[int]

iv1: InitVar

iv2: T_IV2

iv3: T_IV3

not_iv4: T_IV4 # When using string annotations, this field is not recognized as an InitVar.

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