尝试在齿轮中使用client.latency时出错

时间:2020-08-14 17:36:02

标签: python discord discord.py

我正在尝试对我的机器人使用ping命令,而该命令的代码在嵌齿轮中。我对出什么问题有个主意,但是我不知道如何解决,因为我是新来的。每当我使用“ f.ping”命令时,都会出现以下错误:

Ignoring exception in command ping:
Traceback (most recent call last):
  File "C:\Users\josep\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\bot.py", line 903, in invoke
    await ctx.command.invoke(ctx)
  File "C:\Users\josep\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 847, in invoke
    await self.prepare(ctx)
  File "C:\Users\josep\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 784, in prepare
    await self._parse_arguments(ctx)
  File "C:\Users\josep\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 690, in _parse_arguments
    transformed = await self.transform(ctx, param)
  File "C:\Users\josep\AppData\Local\Programs\Python\Python38-32\lib\site-packages\discord\ext\commands\core.py", line 535, in transform
    raise MissingRequiredArgument(param)
discord.ext.commands.errors.MissingRequiredArgument: client is a required argument that is missing.

这是我的ping.py代码:

import discord
from discord.ext import commands

class Ping(commands.Cog):

    def __init__(self, client):
        self.client = client

    @commands.command()
    async def ping(self, ctx):
        await ctx.send(f'Pong!' ({round(client.latency * 1000)}ms))

def setup(client):
    client.add_cog(Ping(client))

我已将问题/错误缩小到({round(client.latency * 1000)}ms部分,但是我不知道如何解决。删除该部分后,该命令运行正常。任何帮助表示赞赏。

2 个答案:

答案 0 :(得分:2)

您遇到两个错误。

第一手:f字符串引用不正确:

错误:

await ctx.send(f'Pong!' ({round(client.latency * 1000)}ms))

右:

await ctx.send(f'Pong! ({round(client.latency * 1000)}ms)')

第二:由于这是一个嵌齿轮,因此您应该使用self.client.latency,请记住 init 函数,您已为 self.client = client分配了

错误:

await ctx.send(f'Pong! ({round(client.latency * 1000)}ms)')

右:

await ctx.send(f'Pong! ({round(self.client.latency * 1000)}ms)')

答案 1 :(得分:2)

看来您有2个不同的错误,让我们帮助您重回正轨。

首先,您的f字符串有误。引号不正确,因此您需要将其放在正确的位置。

await ctx.send(f'Pong! ({round(client.latency * 1000)}ms)')

现在,您的另一个错误是因为您在类中编码,所以使用了 client.latency 而不是 self.client.latency 。因此,这将是正确的代码:

await ctx.send(f'Pong! ({round(client.latency * 1000)}ms)')

导入不和谐 从discord.ext导入命令中

class Ping(commands.Cog):

    def __init__(self, client):
        self.client = client

    @commands.command()
    async def ping(self, ctx):
        await ctx.send(f'Pong! ({round(self.client.latency * 1000)}ms'))

def setup(client):
    client.add_cog(Ping(client))

如果您想了解 self f-strings ,以下是一些有用的链接: Self F-strings