45 lines
1012 B
Python
45 lines
1012 B
Python
from sqlalchemy import create_engine, QueuePool
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from sqlalchemy.orm import sessionmaker, Session
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from app.core.config import settings
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# 数据库引擎
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Engine = create_engine(f"sqlite:///{settings.CONFIG_PATH}/user.db",
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pool_pre_ping=True,
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echo=False,
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poolclass=QueuePool,
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pool_size=1000,
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pool_recycle=60 * 10,
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max_overflow=0)
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# 数据库会话
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=Engine)
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def get_db():
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"""
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获取数据库会话
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:return: Session
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"""
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db = None
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try:
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db = SessionLocal()
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yield db
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finally:
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if db:
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db.close()
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class DbOper:
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_db: Session = None
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def __init__(self, db: Session = None):
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if db:
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self._db = db
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else:
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self._db = SessionLocal()
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def __del__(self):
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if self._db:
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self._db.close()
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