23 lines
547 B
Python
23 lines
547 B
Python
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, declared_attr
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from sqlalchemy import Integer
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class Base(DeclarativeBase):
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"""Base from DeclarativeBase"""
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pass
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class CommonMixin:
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"""define a series of common elements that may be applied to mapped
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classes using this class as a mixin class."""
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@declared_attr.directive
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def __tablename__(cls) -> str:
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"""__tablename__.
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:rtype: str
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"""
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return cls.__name__.lower()
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id: Mapped[int] = mapped_column(primary_key=True)
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