41 lines
896 B
Python
41 lines
896 B
Python
from __future__ import annotations
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import os
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from collections.abc import Generator
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from contextlib import contextmanager
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from sqlalchemy import create_engine
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from sqlalchemy.orm import Session, sessionmaker
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DATABASE_URL = os.getenv("DATABASE_URL", "postgresql+psycopg://root:8811614287327Leo@www.caoxiaozhu.com:5432/yg_ft")
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engine = create_engine(
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DATABASE_URL,
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pool_pre_ping=True,
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future=True,
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)
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SessionLocal = sessionmaker(bind=engine, autoflush=False, autocommit=False, expire_on_commit=False, future=True)
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def get_db() -> Generator[Session, None, None]:
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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@contextmanager
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def session_scope() -> Generator[Session, None, None]:
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db = SessionLocal()
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try:
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yield db
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db.commit()
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except Exception:
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db.rollback()
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raise
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finally:
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db.close()
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