discord.py机器人获取命令的剩余冷却时间 [英] discord.py bot getting cooldown time remaining of command

问题描述

我正在使用具有以下命令的基于python的Discord机器人

I'm working on a python based discord bot that has the following command

@client.command(name="Mine",
            description="Mine daily.",
            brief="Mine daily.",
            aliases=['mine', 'm'],
            pass_context=True)
@commands.cooldown(1, 30, commands.BucketType.user)
async def mine(ctx, arg):
   <content>

但是当用户达到命令的30秒速率限制时，它将错误输出到python shell

But when users hit the 30 second rate limit of the command it outputs the error to the python shell

Ignoring exception in command Mine
Traceback (most recent call last):
   File "C:\Users\raner\AppData\Local\Programs\Python\Python36\lib\site- 
      packages\discord\ext\commands\bot.py", line 846, in process_commands
      yield from command.invoke(ctx)
   File "C:\Users\raner\AppData\Local\Programs\Python\Python36\lib\site- 
      packages\discord\ext\commands\core.py", line 367, in invoke
      yield from self.prepare(ctx)
   File "C:\Users\raner\AppData\Local\Programs\Python\Python36\lib\site- 
      packages\discord\ext\commands\core.py", line 351, in prepare
      raise CommandOnCooldown(bucket, retry_after)
discord.ext.commands.errors.CommandOnCooldown: You are on cooldown. Try 
again in 28.58s

我想做的就是得到剩下的东西冷却，并将其放入可以不和谐地告诉用户的内容中，例如此命令是有速度限制的，请在28.58s内重试。

What I want to do is have something that gets the remaining cooldown and puts it into something that can be said back to the user on discord e.g. 'This command is ratelimited, please try again in 28.58s'

我在网上找不到太多帮助，大部分已经过时或没有

I haven't been able to find much help for this online, and most of it is outdated or doesn't seem to work.

谢谢！

推荐答案

您'会需要为此编写一个错误处理程序您的处理 <$ c的命令$ c> CommandOnCooldown 错误并发送消息。

You'll need to write an error handler for your command that handles the CommandOnCooldown error and sends the message.

@mine.error
async def mine_error(ctx, error):
    if isinstance(error, commands.CommandOnCooldown):
        msg = 'This command is ratelimited, please try again in {:.2f}s'.format(error.retry_after)
        await ctx.send(msg)
    else:
        raise error

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