检查用户是否具有特定角色

问题描述：

我有一些代码，您可以在其中键入 -giverole< user> < rolename> 例如 -giverole @Soup执行董事会。

我现在需要的是一种检查用户键入命令是否具有特定角色的方法。

I have code in which you can type -giverole <user> <rolename> e.g. -giverole @Soup Board of Executives.
What I need now is a method that checks to see if the user typing the command has a certain role.

我有可以给某人角色的代码：

I have code that can give a role to someone:

@client.command(pass_context=True)
async def giverole(ctx, member: discord.Member, *, role: discord.Role):
    await client.add_roles(member, role)
    await client.say("The role '" + str(role) + "' has been given to " + member.mention + " .")

如果用户的排名正确，则应 await client.say（）。如果不这样做，则会引发错误消息。

It should do await client.say() if the user has the right rank. If they don't, then it raises an error message.

答

您可以使用 commands.has_role 检查以确定调用命令的人是否具有特定角色：

You can use the commands.has_role check to determine whether or not the person invoking the command has a particular role:

@client.command(pass_context=True)
@has_role("Role Name")
async def giverole(ctx, member: discord.Member, *, role: discord.Role):
    await client.add_roles(member, role)
    await client.say(f"The role '{role}' has been given to {member.mention}.")

没有角色的某人尝试调用它时， 命令。将引发CheckFailure 错误。然后，您可以处理该错误希望机器人说些什么：

When someone without the role tries to invoke it, a commands.CheckFailure error will be raised. You can then handle that error if you want the bot to say something:

@giverole.error
async def giverole_error(error, ctx):
    if isinstance(error, CheckFailure):
        await client.send_message(ctx.message.channel, "You are lacking a required role")
    else:
        raise error

检查用户是否具有特定角色

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