在 discord.py wait_for 上带有 check() 的 TypeError
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【中文标题】在 discord.py wait_for 上带有 check() 的 TypeError【英文标题】:TypeError with check() on discord.py wait_for 【发布时间】:2021-02-06 19:33:55 【问题描述】:我有一个机器人,它将打开一个使用 wait_for(reaction_add) 功能的关闭民意调查。问题是,当我检查作者是否做出反应时,我得到了一个 TypeError。这是命令:
@bot.command()
async def closepoll(ctx):
if not ctx.author.guild_permissions.mute_members:
await ctx.send("You cannot use this")
else:
await ctx.send("React to the poll I must close")
def check(m):
return m.author == ctx.author
try:
reaction, user = await bot.wait_for('reaction_add', timeout=120.0, check=check)
except asyncio.TimeoutError:
await ctx.send('Did not receive any reaction')
else:
message = reaction.message
if message.content.startswith("Poll:") and str(user) == str(ctx.author):
await message.edit(content="This poll is now closed.")
else:
await ctx.send("That is not a poll")
但我得到了错误:
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/ext/commands/core.py", line 85, in wrapped
ret = await coro(*args, **kwargs)
File "hypixel.py", line 138, in closepoll
except asyncio.TimeoutError:
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/asyncio/tasks.py", line 483, in wait_for
return fut.result()
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/client.py", line 339, in dispatch
result = condition(*args)
TypeError: check() takes 1 positional argument but 2 were given
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/ext/commands/bot.py", line 903, in invoke
await ctx.command.invoke(ctx)
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/ext/commands/core.py", line 855, in invoke
await injected(*ctx.args, **ctx.kwargs)
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site-packages/discord/ext/commands/core.py", line 94, in wrapped
raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: TypeError: check() takes 1 positional argument but 2 were given
【问题讨论】:
【参考方案1】:check
应采用的参数数量取决于您等待的事件。 reaction_add 事件有两个参数,但你的函数只有一个。
尝试用两个参数定义一个检查函数。比如the documentation给出的例子:
def check(reaction, user):
return user == message.author and str(reaction.emoji) == '?'
【讨论】:
是的,谢谢,我不应该使用def check(m)
,而是应该使用def check(reaction, user)
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