我能用古玩和三井吗。为什么不呢？

Question

我试图在Python 3.6上的sanic应用程序中使用async raw socket 并且对来自curio的异步函数在sanic异步上下文中不起作用感到非常惊讶。最小概念证明：

import curio
from sanic import Sanic
from sanic.response import text
app = Sanic(__name__)


@app.route('/')
async def index(request):
    sock = await curio.open_connection("google.com", 443, ssl=True)
    resp = await sock.recv(1024)
    return text(resp)


app.run(host="0.0.0.0", port=5001)

此代码在任何http请求上生成核心转储

^{pr2}$

Answer 1

为了将这个问题与github问题联系起来，OP

Using curio in sanic controller。在

总结（来自问题评论）：

From the official Curio docs: "Curio can also submit work to the asyncio event loop with the provision that it must be running separately in a different thread."

Look at this issue

Curio's main implementation of events is a queue, not an event loop. You're trying to spawn tasks inside the same thread Sanic (and the event loop) are running from.