解决python -m visdom.server启动服务失败的问题

最新推荐文章于 2024-06-01 17:20:34 发布

陆三斤

最新推荐文章于 2024-06-01 17:20:34 发布

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分类专栏：报错解决 visdom 文章标签： python

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本文解决了Python中使用visdom启动服务时遇到的NotImplementedError问题及连接失败的情况。通过修改asyncio.py和server.py文件中的事件循环策略，成功启动了visdom服务。

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问题描述

启动服务

python -m visdom.server

//出现如下结果
D:\app\anaconda\envs\pytorch\lib\site-packages\visdom\server.py:39: DeprecationWarning: zmq.eventloop.ioloop is deprecated in pyzmq 17. pyzmq now works with default tornado and asyncio eventloops.
  ioloop.install()  # Needs to happen before any tornado imports!
It's Alive!
Traceback (most recent call last):
  File "D:\app\anaconda\envs\pytorch\lib\runpy.py", line 194, in _run_module_as_main
    return _run_code(code, main_globals, None,
  File "D:\app\anaconda\envs\pytorch\lib\runpy.py", line 87, in _run_code
    exec(code, run_globals)
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\visdom\server.py", line 1922, in <module>
    download_scripts_and_run()
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\visdom\server.py", line 1918, in download_scripts_and_run
    main()
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\visdom\server.py", line 1910, in main
    start_server(port=FLAGS.port, hostname=FLAGS.hostname, base_url=base_url,
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\visdom\server.py", line 1791, in start_server
    app.listen(port, max_buffer_size=1024 ** 3)
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\tornado\web.py", line 2116, in listen
    server.listen(port, address)
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\tornado\tcpserver.py", line 152, in listen
    self.add_sockets(sockets)
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\tornado\tcpserver.py", line 165, in add_sockets
    self._handlers[sock.fileno()] = add_accept_handler(
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\tornado\netutil.py", line 279, in add_accept_handler
    io_loop.add_handler(sock, accept_handler, IOLoop.READ)
  File "D:\app\anaconda\envs\pytorch\lib\site-packages\tornado\platform\asyncio.py", line 100, in add_handler
    self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)
  File "D:\app\anaconda\envs\pytorch\lib\asyncio\events.py", line 501, in add_reader
    raise NotImplementedError
NotImplementedError

如下问题也类似

 Failed to establish a new connection: [WinError 10061] 由于目标计算机积极拒绝，无法连接。

解决方法

找到目录D:\app\anaconda\envs\pytorch\Lib\site-packages\tornado\platform
下的asyncio.py
添加代码

if sys.platform == 'win32':
    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())

找到D:\app\anaconda\envs\pytorch\Lib\site-packages\visdom目录下的
server.py添加如下代码

import asyncio
asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())