如何修复运行时错误:无法关闭正在运行的事件循环 - Python Discord Bot [英] How to Fix Runtime Error: Cannot close a running event loop - Python Discord Bot

问题描述

我正在尝试使用 Python 创建一个 Discord 机器人，但是每当我在这里运行示例代码时:

I am trying to create a Discord bot with Python, however whenever I run the sample code here:

import discord

client = discord.Client()

@client.event
async def on_message(message):
    # we do not want the bot to reply to itself
    if message.author == client.user:
        return

    if message.content.startswith('!hello'):
        msg = 'Hello {0.author.mention}'.format(message)
        await client.send_message(message.channel, msg)

@client.event
async def on_ready():
    print('Logged in as')
    print(client.user.name)
    print(client.user.id)
    print('------')

client.run('tokenhere')

返回错误:

Traceback (most recent call last):

  File "<ipython-input-6-ea5a13e5703d>", line 1, in <module>
    runfile('C:/Users/User/Pictures/rito_bot.py', wdir='C:/Users/User/Pictures')

  File "C:UsersUserAnaconda3libsite-packagesspyder_kernelscustomizespydercustomize.py", line 703, in runfile
    execfile(filename, namespace)

  File "C:UsersUserAnaconda3libsite-packagesspyder_kernelscustomizespydercustomize.py", line 108, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "C:/Users/User/Pictures/rito_bot.py", line 22, in <module>
    client.run('token')

  File "C:UsersUserAnaconda3libsite-packagesdiscordclient.py", line 595, in run
    _cleanup_loop(loop)

  File "C:UsersUserAnaconda3libsite-packagesdiscordclient.py", line 97, in _cleanup_loop
    loop.close()

  File "C:UsersUserAnaconda3libasyncioselector_events.py", line 94, in close
    raise RuntimeError("Cannot close a running event loop")

RuntimeError: Cannot close a running event loop 

其他每一行似乎都运行得很好，但是如果没有最后一行，它就无法连接到服务器，这使得它毫无用处.

Every other line seems to run just fine, but without the last line it doesn't connect to the server, which makes it useless.

注意:我在这里看到了问题，但是 OP 的解决方案似乎不适用于我的情况.

Note: I have seen the question here, however OP's solution doesn't seem applicable to my situation.

推荐答案

(这里是 Spyder 维护者)要在我们的控制台中运行异步代码，您首先需要安装 nest_asyncio 包，然后在运行任何代码之前调用它，如其自述文件中所述.

(Spyder maintainer here) To run async code in our consoles you first need to install the nest_asyncio package and then call it before running any of your code as described on its Readme.

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