50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
import os
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from pathlib import Path
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from typing import Annotated
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from fastapi import Depends
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from sqlalchemy import create_engine
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import Session, sessionmaker
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Base = declarative_base()
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# Database configuration
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# Use the preprocessor's database for consistency
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# Get absolute path to the preprocessor database
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APP_DIR = Path(__file__).parent.parent
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PREPROCESSOR_DB = APP_DIR.parent / "preprocessor" / "version_two.db"
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DATABASE_URL = os.getenv("DATABASE_URL", f"sqlite:///{PREPROCESSOR_DB}")
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# Create engine
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engine = create_engine(DATABASE_URL, echo=False)
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# Create session factory
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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def get_db():
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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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db_dependency = Annotated[Session, Depends(get_db)]
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def init_database():
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"""Initialize the database by creating all tables"""
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Base.metadata.create_all(bind=engine)
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def get_session_sync() -> Session:
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"""Get a database session for synchronous operations"""
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return SessionLocal()
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def get_db_session():
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"""Get a database session for direct use."""
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return SessionLocal()
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