"""Bounded Neo4j adapter used only behind RelationshipService.""" import asyncio from collections.abc import Sequence from typing import Any from neo4j import AsyncGraphDatabase from app.core.config import Settings class Neo4jGraphDriver: def __init__(self, settings: Settings, *, timeout_seconds: float = 2.0) -> None: self.settings = settings self.timeout_seconds = timeout_seconds self._driver: Any = None async def execute_query(self, query: str, **parameters: Any) -> Sequence[Any]: if self._driver is None: self._driver = AsyncGraphDatabase.driver( self.settings.neo4j_uri, auth=(self.settings.neo4j_username, self.settings.neo4j_password), ) async with asyncio.timeout(self.timeout_seconds): async with self._driver.session(database=self.settings.neo4j_database) as session: result = await session.run(query, parameters) return [record.data() async for record in result]