Discord.py member.server_default_channel 中的参数无效

问题描述

我当前的代码是

@client.event
async def on_member_join(member):
    serverchannel = member.server.default_channel
    msg = "Wuss poppin', {0}. Welcome to {1}".format(member.mention, member.server.name)
    await client.send_message(member.server.default_channel, msg)`

@client.event
async def on_member_remove(member):
    serverchannel = member.server.default_channel
    msg = "Well. Cya, {0}!".format(member.mention)
    await client.send_message(serverchannel, msg)

以及其他必要的行(如 import discord 等)和其他命令.

As well as the other necessary lines (like import discord etc.) and other commands.

当成员加入或离开时，我收到此错误:

When a member joins or leaves, I get this error:

Ignoring exception in on_member_join
Traceback (most recent call last):
  File "C:UsersWillLAppDataLocalProgramsPythonPython36libsite-packagesdiscordclient.py", line 307, in _run_event
    yield from getattr(self, event)(*args, **kwargs)
  File "C:/Users/WillL/Desktop/MemzBot-master/index.py", line 102, in on_member_join
    await client.send_message(member.server.default_channel, msg)
  File "C:UsersWillLAppDataLocalProgramsPythonPython36libsite-packagesdiscordclient.py", line 1145, in send_message
    channel_id, guild_id = yield from self._resolve_destination(destination)
  File "C:UsersWillLAppDataLocalProgramsPythonPython36libsite-packagesdiscordclient.py", line 289, in _resolve_destination
    raise InvalidArgument(fmt.format(destination))
discord.errors.InvalidArgument: Destination must be Channel, PrivateChannel, User, or Object. Received NoneType

我不明白为什么，我错过了什么?

I don't understand why, what am I missing?

推荐答案

默认频道不再存在.这意味着两件事:

1. server.default_channel 可能返回 NoneType.
2. 尝试向 server 发送消息可能会引发 discord.NotFound.

1. server.default_channel may return a NoneType.
2. Trying to send a message to server may raise discord.NotFound.

这些情况将发生在 8 月 3 日之后创建的任何服务器上，或者任何已删除其默认"频道的服务器上.

These cases will happen on any servers created after August 3rd, or any servers who have deleted their "default" channel.

您需要自己选择一个频道，或者要求服务器为欢迎消息设置一个频道.您仍然可以尝试发送到服务器，但请确保您有一个失败的后备选项.

You need to either choose a channel yourself, or ask the server to set a channel for the welcome message. You can still attempt to send to the server, but make sure you have a fall back option if it fails.