如何在 discord.py cogs 中创建别名?

问题描述

我设置了一个 discord.py cog，可以使用了.有一个问题，如何为命令设置别名?我会在下面给你我的代码，看看我还需要做什么:

I have a discord.py cog set up, ready to use. There is one issue, how do I set up aliases for commands? I'll give you my code below to see what else I need to do:

# Imports
from discord.ext import commands
import bot  # My own custom module


# Client commands
class Member(commands.Cog):
    def __init__(self, client):
        self.client = client

    # Events
    @commands.Cog.listener()
    async def on_ready(self):
        print(bot.online)

    # Commands
    @commands.command()
    async def ping(self, ctx):
        pass


# Setup function
def setup(client):
    client.add_cog(Member(client))

这种情况下，@commands.command()

推荐答案

discord.ext.commands.Command 对象有一个 aliases 属性.使用方法如下:

discord.ext.commands.Command objects have a aliases attribute. Here's how to use it:

@commands.command(aliases=['testcommand', 'testing'])
async def test(self, ctx):
    await ctx.send("This a test command")

然后您就可以通过编写 !test、!testcommand 或 !testing 来调用您的命令(如果您的命令前缀是!).
此外，如果您计划编写日志系统，Context 对象有一个 invoked_with 属性，它将调用命令时使用的别名作为值.

You'll then be able to invoke your command by writing !test, !testcommand or !testing (if your command prefix is !).
Also, if you plan on coding a log system, Context objects have a invoked_with attribute which takes the aliase the command was invoked with as a value.

参考: discord.py 文档

如果您只想让您的 cog 管理员，您可以覆盖现有的 cog_check 函数，该函数将在调用来自该 cog 的命令时触发:

If you want to make your cog admin only, you can overwrite the existing cog_check function that will trigger when a command from this cog is invoked:

from discord.ext import commands
from discord.utils import get

class Admin(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

    async def check_cog(self, ctx):
        admin = get(ctx.guild.roles, name="Admin")
        #False -> Won't trigger the command
        return admin in ctx.author.role

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