Question

我目前正在研究Discord机器人。我希望机器人记录它在特定频道上发送的所有消息。如果发送了特定的文本命令，我希望机器人删除所有消息，然后删除文本命令所针对的消息，然后再次发送消息。

当前代码：

import discord

current_queue = "current-queue"
current_queue_id = "454938696064696322"
join_channel = "join-queue"

queue_msgs = []
currently_queued_name = []
currently_queued_disc = []

client = discord.Client()

@client.event
async def on_message(message):
if message.author == client.user:
    if str(message.channel) == current_queue:
        queue_msgs.append(message)
if message.author != client.user:
    await printer(message)
    if str(message.channel) == join_channel:
        if message.content.startswith("!join"):
            await join(message)
        elif message.content.startswith("!leave"):
            await leave(message, queue_msgs)
        else:
            await client.delete_message(message)
async def join(message):
    await client.delete_message(message)
    currently_queued_name.append(message.author.name)
    currently_queued_disc.append(message.author.discriminator)
    await client.send_message(discord.Object(id=current_queue_id), message.author.mention)
    print("Manager has assigned {} to the queue.".format(message.author))

async def leave(message, queue_msgs):
    await client.delete_message(message)
    if message.author.name in currently_queued_name:
        for i in range(len(queue_msgs)):
            print(str(queue_msgs[i]))
            await client.delete_message(queue_msgs[i])
        queue_msgs = []
        print("Manager has deleted queue.")
        pos = currently_queued_name.index(message.author.name)
        del currently_queued_name[pos]
        del currently_queued_disc[pos]
        for i in range(len(currently_queued_name)):
            user = discord.utils.get(message.server.member, name="{}".format(currently_queued_name[i]), discriminator="{}".format(currently_queued_disc[i]))
            await client.send_message(discord.Object(id=current_queue_id), user.mention)
        print("Manager has updated queue.")

这是我第一次尝试!join后跟!leave。但是，如果要再次执行此操作!join，那么!leave上会失败：

NOT FOUND (status code: 404): Unknown Message

Answer 1

在z-index中，您有以下几行：

<a>

实际上，async def leave(...)尚未删除，因为您只是在本地范围内重新定义queue_msgs = [] print("Manager has deleted queue.")变量。因此，第二次运行该函数时，它会尝试删除已删除的消息。如果您想通过引用清除queue_msgs，请将其更改为以下内容：

queue_msgs

以这种方式执行此操作时，您甚至不需要将queue_msgs传递给函数，因为它已经在全局范围内。 queue_msgs.clear() print("Manager has deleted queue.")应该足够了。

附注：您应该查看queue_msgs扩展程序，这有助于您处理async def leave(message):和discord.ext.commands等命令。

未找到（状态代码：404）：未知消息

1 个答案: