21 lines
650 B
Python
21 lines
650 B
Python
from sqlalchemy.ext.declarative import declarative_base, declared_attr
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from sqlalchemy.orm import Mapped, mapped_column
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import datetime
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Base = declarative_base()
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class DbCommon(Base):
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__abstract__ = True
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id: Mapped[int] = mapped_column(primary_key=True)
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create_time: Mapped[datetime.datetime] = mapped_column(default=datetime.datetime.utcnow())
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update_time: Mapped[datetime.datetime] = mapped_column(default=datetime.datetime.utcnow(), onupdate=datetime.datetime.utcnow())
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def keys(self):
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return ["id", "create_time", "update_time"]
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@declared_attr
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def __tablename__(cls):
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return cls.__name__.lower()
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