31 lines
786 B
Python
31 lines
786 B
Python
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# -*- coding: utf-8 -*-
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"""Database Engine & Session – SQLite (lokal) oder PostgreSQL (Produktion)."""
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker, Session
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from .config import DATABASE_URL
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from .core.models import Base
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engine = create_engine(
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DATABASE_URL,
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echo=False,
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connect_args={"check_same_thread": False} if "sqlite" in DATABASE_URL else {},
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)
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SessionLocal = sessionmaker(bind=engine, autocommit=False, autoflush=False)
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def init_db():
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"""Erstellt alle Tabellen falls sie noch nicht existieren."""
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Base.metadata.create_all(bind=engine)
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def get_db() -> Session:
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"""Dependency für FastAPI – liefert eine DB-Session pro Request."""
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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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