Files
arcaea-offline/src/arcaea_offline/database/models/v5/base.py
2024-06-20 02:30:37 +08:00

63 lines
1.8 KiB
Python

from datetime import datetime
from sqlalchemy.orm import DeclarativeBase
from sqlalchemy.orm.exc import DetachedInstanceError
from arcaea_offline.constants.enums import (
ArcaeaPlayResultClearType,
ArcaeaPlayResultModifier,
ArcaeaRatingClass,
ArcaeaSongSide,
)
from .._custom_types import DbIntEnum, TZDateTime
TYPE_ANNOTATION_MAP = {
datetime: TZDateTime,
ArcaeaRatingClass: DbIntEnum(ArcaeaRatingClass),
ArcaeaSongSide: DbIntEnum(ArcaeaSongSide),
ArcaeaPlayResultClearType: DbIntEnum(ArcaeaPlayResultClearType),
ArcaeaPlayResultModifier: DbIntEnum(ArcaeaPlayResultModifier),
}
class ModelsV5Base(DeclarativeBase):
type_annotation_map = TYPE_ANNOTATION_MAP
class ModelsV5ViewBase(DeclarativeBase):
type_annotation_map = TYPE_ANNOTATION_MAP
class ReprHelper:
# pylint: disable=no-member
def _repr(self, **kwargs) -> str:
"""
Helper for __repr__
https://stackoverflow.com/a/55749579/16484891
CC BY-SA 4.0
"""
field_strings = []
at_least_one_attached_attribute = False
for key, field in kwargs.items():
try:
field_strings.append(f"{key}={field!r}")
except DetachedInstanceError:
field_strings.append(f"{key}=DetachedInstanceError")
else:
at_least_one_attached_attribute = True
if at_least_one_attached_attribute:
return f"<{self.__class__.__name__}({', '.join(field_strings)})>"
return f"<{self.__class__.__name__} {id(self)}>"
def __repr__(self):
if isinstance(self, DeclarativeBase):
return self._repr(
**{c.key: getattr(self, c.key) for c in self.__table__.columns}
)
return super().__repr__()