31 lines
832 B
Python
31 lines
832 B
Python
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from typing import Optional
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from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
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engine = create_async_engine("sqlite+aiosqlite:///tasks.db")
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new_session = async_sessionmaker(engine, expire_on_commit=False)
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class Model(DeclarativeBase):
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pass
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class TaskOrm(Model):
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__tablename__ = "tasks"
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id: Mapped[int] = mapped_column(primary_key=True)
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name: Mapped[str]
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description: Mapped[Optional[str]]
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async def create_tables():
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# https://docs.sqlalchemy.org/en/20/orm/extensions/asyncio.html#synopsis-core
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async with engine.begin() as conn:
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await conn.run_sync(Model.metadata.create_all)
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async def delete_tables():
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async with engine.begin() as conn:
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await conn.run_sync(Model.metadata.drop_all)
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