from __future__ import annotations import asyncio import time from typing import Any, Awaitable, Coroutine from mixnet.framework import framework class Framework(framework.Framework): def __init__(self): super().__init__() def queue(self) -> framework.Queue: return Queue() async def sleep(self, seconds: float) -> None: await asyncio.sleep(seconds) def now(self) -> float: return time.time() def spawn( self, coroutine: Coroutine[Any, Any, framework.RT] ) -> Awaitable[framework.RT]: return asyncio.create_task(coroutine) class Queue(framework.Queue): _queue: asyncio.Queue[bytes] def __init__(self): super().__init__() self._queue = asyncio.Queue() async def put(self, data: bytes) -> None: await self._queue.put(data) async def get(self) -> bytes: return await self._queue.get() def empty(self) -> bool: return self._queue.empty()