database.py

import sqlite3
from typing import Annotated

from fastapi import Depends
from sqlmodel import Session, SQLModel, create_engine

sqlite_file_name = "results.db"
sqlite_url = f"sqlite:///{sqlite_file_name}"

connect_args = {"check_same_thread": False}
engine = create_engine(sqlite_url, connect_args=connect_args)

def enable_wal():
    conn = sqlite3.connect(sqlite_file_name)
    conn.execute("PRAGMA journal_mode=WAL")
    conn.execute("PRAGMA synchronous=NORMAL")
    conn.execute("PRAGMA cache_size=10000")
    conn.execute("PRAGMA temp_store=memory")
    conn.close()


def create_db_and_tables():
    SQLModel.metadata.create_all(engine)

def get_session():
    with Session(engine) as session:
        yield session

SessionDep = Annotated[Session, Depends(get_session)]