39 lines
806 B
Python
39 lines
806 B
Python
"""
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数据库配置和连接管理
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"""
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import os
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from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
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from sqlalchemy.orm import declarative_base
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from dotenv import load_dotenv
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load_dotenv()
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DATABASE_URL = os.getenv(
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"DATABASE_URL",
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"postgresql+asyncpg://postgres:postgres123@localhost:5432/flexible_test_platform"
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)
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engine = create_async_engine(
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DATABASE_URL,
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echo=True, # 开发环境打印 SQL
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pool_pre_ping=True,
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)
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AsyncSessionLocal = async_sessionmaker(
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engine,
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class_=AsyncSession,
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expire_on_commit=False,
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)
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Base = declarative_base()
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async def get_db():
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"""获取数据库会话"""
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async with AsyncSessionLocal() as session:
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try:
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yield session
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finally:
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await session.close()
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