34 lines
731 B
Python
34 lines
731 B
Python
"""
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Database engine and session — SQLModel/SQLAlchemy, no Django.
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Reads DATABASE_URL from the environment.
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"""
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from __future__ import annotations
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import os
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from sqlalchemy import create_engine
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from sqlmodel import Session
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DATABASE_URL = os.environ.get("DATABASE_URL", "postgresql://mpr:mpr@localhost:5432/mpr")
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_engine = None
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def get_engine():
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global _engine
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if _engine is None:
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_engine = create_engine(DATABASE_URL, pool_size=5, max_overflow=10)
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return _engine
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def get_session() -> Session:
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return Session(get_engine())
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def create_tables():
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"""Create all SQLModel tables."""
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from .models import SQLModel # noqa — registers all models
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SQLModel.metadata.create_all(get_engine())
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