无法在对话中显示错误以显示不和谐 [英] Cannot get discord to show error in chat

问题描述

我试图吐出您没有权限{} ，让我的机器人告诉用户是否有错误，但是当我尝试使用它时代码：

I'm trying to make my bot tell a user if there is a error by spitting out You do not have the permissions {} But when I try to use this code:

@client.command(pass_context = True)
async def ban(ctx, member : discord.Member, *, content: str):
    if ctx.message.author == client.user:
        return
    if ctx.message.author.server_permissions.administrator:
        msg = (str(member) + "has been banned for" + str(content)).format(ctx.message)
        await client.send_message(member, content)
        await client.ban(member)
        await client.send_message(ctx.message.channel, msg)
@ban.error
async def ban_error(error, ctx):
    if isinstance(error, CheckFailure):
        msg = "Sorry but you do not have the permissions {}".format(ctx.message.author.mention)  
        await client.send_message(ctx.message.channel, msg)

discord bot dms的用法r并且python控制台中没有错误，如果我删除了 @ ban.error ，我得到的权限错误太低了。

The discord bot dms the user and there is no errors in the python console and if I remove the @ban.error piece I get a too low of a permission error.

推荐答案

CheckFailure 仅在检查失败。您的代码中没有检查，因此永远不会发生。您可以使用if 语句转换为支票。 html＃discord.ext.commands.has_permissions rel = nofollow noreferrer> commands.has_permission ：

CheckFailure only gets raised if a check fails. There are no checks in your code, so this never happens. You can convert your if statement to a check very easily using commands.has_permission:

@client.command(pass_context = True)
@has_permissions(administrator=True)
async def ban(ctx, member : discord.Member, *, content: str):
    msg = "{} has been banned for {}".format(ctx.message.author.mention, content)
    await client.send_message(member, content)
    await client.ban(member)
    await client.send_message(ctx.message.channel, msg)

错误处理程序可能会抑制有价值的错误信息。我们可以将内置错误处理程序的机器人称为不是 CheckFailure s

It may be the case that the error handler is suppressing valuable error information. We can just call the bots built in error handling for any other errors that are not CheckFailures

from discord.ext.commands import CheckFailure
from discord import Forbidden


@ban.error
async def ban_error(error, ctx):
    if isinstance(error, CheckFailure):
        msg = "Sorry but you do not have the permissions {}".format(ctx.message.author.mention)  
        await client.send_message(ctx.message.channel, msg)
    elif isinstance(error, Forbidden):
        await client.send_message(ctx.message.channel, "I do not have the correct permissions")
    else:
        print(error)
        await client.on_command_error(error, ctx)

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