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Use typing_extensions.Self instead of TypeVar

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Adeodato Simó 2023-11-19 14:41:37 -03:00
parent 6aaff28c13
commit ff1f239a57
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1 changed files with 4 additions and 5 deletions
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bookwyrm/utils/partial_date.py
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@ -4,7 +4,8 @@ from __future__ import annotations
from datetime import datetime, timedelta
import re
from typing import Any, Optional, Type, TypeVar, cast
from typing import Any, Optional, Type, cast
from typing_extensions import Self
from django.core.exceptions import ValidationError
from django.db import models
@ -23,8 +24,6 @@ __all__ = [
_partial_re = re.compile(r"(\d{4})(?:-(\d\d?))?(?:-(\d\d?))?$")
_westmost_tz = timezone.get_fixed_timezone(timedelta(hours=-12))
Partial = TypeVar("Partial", bound="PartialDate") # TODO: use Self in Python >= 3.11
# TODO: migrate PartialDate: `datetime` => `date`
# TODO: migrate PartialDateModel: `DateTimeField` => `DateField`
@ -47,7 +46,7 @@ class PartialDate(datetime):
return self.strftime("%Y-%m-%d")
@classmethod
def from_datetime(cls: Type[Partial], dt: datetime) -> Partial:
def from_datetime(cls, dt: datetime) -> Self:
"""construct a PartialDate object from a timezone-aware datetime
Use subclasses to specify precision. If `dt` is naive, `ValueError`
@ -59,7 +58,7 @@ class PartialDate(datetime):
return cls.combine(dt.date(), dt.time(), tzinfo=dt.tzinfo)
@classmethod
def from_date_parts(cls: Type[Partial], year: int, month: int, day: int) -> Partial:
def from_date_parts(cls, year: int, month: int, day: int) -> Self:
"""construct a PartialDate from year, month, day.
Use sublcasses to specify precision."""