我可以在sanic中使用古玩吗?为什么不?
问题描述:
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)
答
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。 “
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。