2017-04-17 44 views
0

我尝试在应用程序Python 3.6 中使用异步原始套接字并且真的很惊讶curio的异步函数在sanic异步上下文中不起作用。概念的最小证明:我可以在sanic中使用古玩吗?为什么不?

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) 

此代码对任何HTTP请求

$ python3 test2.py 
2017-04-17 17:33:13,266: INFO: Goin' Fast @ http://0.0.0.0:5001 
2017-04-17 17:33:13,270: INFO: Starting worker [93060] 
Fatal Python error: GC object already tracked 

Current thread 0x00007fc57706e480 (most recent call first): 
    File "/usr/lib/python3.6/linecache.py", line 165 in lazycache 
    File "/usr/lib/python3.6/traceback.py", line 345 in extract 
    File "/usr/lib/python3.6/traceback.py", line 497 in __init__ 
    File "/usr/lib/python3.6/traceback.py", line 117 in format_exception 
    File "/usr/lib/python3.6/traceback.py", line 163 in format_exc 
    File "/usr/lib/python3.6/site-packages/sanic/handlers.py", line 93 in default 
    File "/usr/lib/python3.6/site-packages/sanic/handlers.py", line 70 in response 
    File "/usr/lib/python3.6/site-packages/sanic/app.py", line 472 in handle_request 
    File "/usr/lib/python3.6/site-packages/sanic/server.py", line 410 in serve 
    File "/usr/lib/python3.6/site-packages/sanic/app.py", line 561 in run 
    File "test2.py", line 14 in <module> 
Aborted (core dumped) 

回答

1

对于联用github上的问题,已经由OP提出这个问题产生核心转储。

Using curio in sanic controller

总结一下(从问题的意见):

从官方古玩文档: “古董也可以提交工作与它必须在不同的线程独立运行提供了ASYNCIO事件循环。 “

Look at this issue

古玩的事件的主要实施是一个队列,而不是一个事件循环。你正在尝试在同一个线程Sanic(和事件循环)中运行的任务。

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