34 lines
843 B
Python
34 lines
843 B
Python
"""Подключение к БД и сессия."""
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import logging
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker, declarative_base
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from app.config import settings
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logger = logging.getLogger(__name__)
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engine = create_engine(
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settings.database_url,
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pool_pre_ping=True,
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echo=False,
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)
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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Base = declarative_base()
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def get_db():
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"""Генератор сессии БД для FastAPI."""
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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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def init_db():
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"""Создание таблиц при старте."""
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from app import models # noqa: F401
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Base.metadata.create_all(bind=engine)
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logger.info("Таблицы БД созданы или уже существуют")
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