Fix extensions in discord.Bot #838

plun1331 · 2022-01-23T05:09:37Z

Summary

Fixes: #816

Originally #817, uses a fix from #826

I searched around in the issues tab for other problems people found with this and only found #825, if there are others please let me know.

This was tested with:

discord.Bot
- Slash Commands
- Slash Command Groups
- Message & user commands
ext.commands.Bot
- Slash Commands
- Slash Command Groups
- Message & user application commands
- Prefixed command groups
- Prefixed commands

Checklist

If code changes were made then they have been tested.
- I have updated the documentation to reflect the changes.
If type: ignore comments were used, a comment is also left explaining why
This PR fixes an issue.
This PR adds something new (e.g. new method or parameters).
This PR is a breaking change (e.g. methods or parameters removed/renamed)
This PR is not a code change (e.g. documentation, README, typehinting, examples, ...)

Signed-off-by: plun1331 <plun1331@gmail.com>

krittick · 2022-01-23T06:40:15Z

This PR still causes the same error with reloading extensions that I mentioned in the original revert PR (#829):

File "/home/ubuntu/cbot/mj3.10/lib/python3.10/site-packages/discord/cog.py", line 816, in reload_extension
   self._remove_module_references(lib.__name__)
 File "/home/ubuntu/cbot/mj3.10/lib/python3.10/site-packages/discord/cog.py", line 614, in _remove_module_references
   if cmd.module is not None and _is_submodule(name, cmd.module):
AttributeError: 'SlashCommand' object has no attribute 'module'

plun1331 · 2022-01-23T06:44:46Z

This PR still causes the same error with reloading extensions that I mentioned in the original revert PR (#829):

File "/home/ubuntu/cbot/mj3.10/lib/python3.10/site-packages/discord/cog.py", line 816, in reload_extension
   self._remove_module_references(lib.__name__)
 File "/home/ubuntu/cbot/mj3.10/lib/python3.10/site-packages/discord/cog.py", line 614, in _remove_module_references
   if cmd.module is not None and _is_submodule(name, cmd.module):
AttributeError: 'SlashCommand' object has no attribute 'module'

I wasn't experiencing this during testing, I'll look into it more tomorrow.

Do you have a code sample for reproducing?

krittick · 2022-01-23T23:01:53Z

This PR still causes the same error with reloading extensions that I mentioned in the original revert PR (#829):
File "/home/ubuntu/cbot/mj3.10/lib/python3.10/site-packages/discord/cog.py", line 816, in reload_extension
   self._remove_module_references(lib.__name__)
 File "/home/ubuntu/cbot/mj3.10/lib/python3.10/site-packages/discord/cog.py", line 614, in _remove_module_references
   if cmd.module is not None and _is_submodule(name, cmd.module):
AttributeError: 'SlashCommand' object has no attribute 'module' 
I wasn't experiencing this during testing, I'll look into it more tomorrow.

Do you have a code sample for reproducing?

Sure:

import discord
from discord.commands import slash_command
from discord.ext import commands


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

    @slash_command(name="test838")
    async def test838(self, ctx: discord.ApplicationContext):
        """Test for #838"""
        await ctx.respond("Test for #838")


def setup(bot):
    bot.add_cog(Temptests(bot))

Running this command causes the error:

bot.reload_extension("extensions.temptests")  # or wherever the extension is located

plun1331 · 2022-01-24T04:13:29Z

bot.reload_extension("extensions.temptests")

I can't seem to reproduce this, although I am on Python 3.9 instead of 3.10

krittick · 2022-01-24T04:40:01Z

bot.reload_extension("extensions.temptests")
I can't seem to reproduce this, although I am on Python 3.9 instead of 3.10

I've tried with 3.9 as well and can reproduce the error there too.

plun1331 · 2022-01-24T04:42:28Z

bot.reload_extension("extensions.temptests")
I can't seem to reproduce this, although I am on Python 3.9 instead of 3.10
I've tried with 3.9 as well and can reproduce the error there too.

Do you have a sample of the code in the bot's main file?

Lulalaby · 2022-01-26T06:15:06Z

⚠️ Raising prio to high

krittick · 2022-01-27T22:31:37Z

I found a way to reliably reproduce the module error on a new bot. It just requires creating two extensions: one containing with a slash command group and a non-grouped slash command, and the other containing a prefix or slash command.

To trigger the error, just run /test838.

Extension 1 (extensions/ext_temptests.py):

import discord
from discord.commands import slash_command, SlashCommandGroup
from discord.ext import commands


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

    gtest = SlashCommandGroup("gtest", "gtest")

    @gtest.command(name="dothing", description="gtest")
    async def gtest_dothing(self, ctx: discord.ApplicationContext):
        await ctx.respond("gtest_dothing")

    @slash_command(name="test838", guild_ids=[...])
    async def test838(self, ctx: discord.ApplicationContext):
        """Test for #838"""
        await ctx.respond("Test for #838")
        self.bot.reload_extension("extensions.ext_temptests2")


def setup(bot):
    bot.add_cog(Temptests(bot))

Extension 2 (extensions/ext_temptests2.py):

from discord.ext import commands
from discord.commands import slash_command


class Temptests2(commands.Cog):
    def __init__(self, bot):
        self.bot = bot


    @slash_command()
    async def testing838(self, ctx):
        await ctx.respond("Test for #838")
        self.bot.reload_extension("extensions.ext_temptests")


def setup(bot):
    bot.add_cog(Temptests2(bot))

Main bot code:

from os import listdir
from os.path import isfile, join
from discord.ext import commands
import discord
intents = discord.Intents.all()


bot = commands.Bot(command_prefix=[">", "/"], intents=intents, owner_ids=[...])
ext_list = [f for f in listdir("extensions/") if isfile(join("extensions/", f))]
extensions = [item.replace(".py", "") for item in ext_list]
for extension in extensions:
    bot.load_extension(f"extensions.{extension}")
bot.run("token here")

plun1331 · 2022-01-28T03:53:43Z

from os import listdir
from os.path import isfile, join
from discord.ext import commands
import discord
intents = discord.Intents.all()


bot = commands.Bot(command_prefix=[">", "/"], intents=intents, owner_ids=[...])
ext_list = [f for f in listdir("extensions/") if isfile(join("extensions/", f))]
extensions = [item.replace(".py", "") for item in ext_list]
for extension in extensions:
    bot.load_extension(f"extensions.{extension}")
bot.run("token here")

The slash command in the second extension appears to have bad indentation

krittick · 2022-01-28T04:20:30Z

from os import listdir
from os.path import isfile, join
from discord.ext import commands
import discord
intents = discord.Intents.all()


bot = commands.Bot(command_prefix=[">", "/"], intents=intents, owner_ids=[...])
ext_list = [f for f in listdir("extensions/") if isfile(join("extensions/", f))]
extensions = [item.replace(".py", "") for item in ext_list]
for extension in extensions:
    bot.load_extension(f"extensions.{extension}")
bot.run("token here")

The slash command in the second extension appears to have bad indentation

Good catch, updated to clarify that command registration isn't affected. The module AttributeError still occurs though.

rip my bot token

plun1331 · 2022-01-28T04:37:36Z

from os import listdir
from os.path import isfile, join
from discord.ext import commands
import discord
intents = discord.Intents.all()


bot = commands.Bot(command_prefix=[">", "/"], intents=intents, owner_ids=[...])
ext_list = [f for f in listdir("extensions/") if isfile(join("extensions/", f))]
extensions = [item.replace(".py", "") for item in ext_list]
for extension in extensions:
    bot.load_extension(f"extensions.{extension}")
bot.run("token here")

The slash command in the second extension appears to have bad indentation

Good catch, updated to clarify that command registration isn't affected. The module AttributeError still occurs though.

I believe I fixed the module AttributeError, however I may have uncovered another issue.

When testing I was printing out bot._application_commands as command removal was acting up, and noticed a command with ID None:

{
    None: <discord.commands.SlashCommand name=test838>, 
    '936472246011183114': <discord.commands.SlashCommandGroup name=gtest>, 
    '936472246011183115': <discord.commands.SlashCommand name=test838>, 
    '936472246011183116': <discord.commands.SlashCommand name=testing838>
}

Unsure why this happened, I don't believe it's related to my PR though. Should most likely check if this can be reproduced on master.
You can see the code I was using in 19f9e45, because I accidentally committed it.

Lulalaby · 2022-01-28T19:06:56Z

@plun1331 state

plun1331 · 2022-01-28T19:32:07Z

@plun1331 state

I don't believe there are any more issues

plun1331 added 2 commits January 22, 2022 20:31

Fix extensions in discord.Bot

8d8cbe4

Signed-off-by: plun1331 <plun1331@gmail.com>

Fix extensions in discord.Bot

e880afb

Signed-off-by: plun1331 <plun1331@gmail.com>

VincentRPS added this to the v2.0 milestone Jan 26, 2022

VincentRPS added bug Something isn't working Merge normally priority: medium Medium Priority status: awaiting review Awaiting review from a maintainer labels Jan 26, 2022

VincentRPS assigned plun1331 Jan 26, 2022

Lulalaby added priority: high High Priority and removed priority: medium Medium Priority labels Jan 26, 2022

Lulalaby enabled auto-merge (squash) January 27, 2022 02:37

Add module attr to ApplicationCommand

7c61d07

auto-merge was automatically disabled January 27, 2022 04:33
Head branch was pushed to by a user without write access

Merge branch 'master' into patch-10

c374ceb

Lulalaby enabled auto-merge (squash) January 27, 2022 04:48

Lulalaby previously approved these changes Jan 27, 2022

View reviewed changes

Lulalaby requested a review from krittick January 27, 2022 04:49

Merge branch 'master' into patch-10

0770d11

auto-merge was automatically disabled January 27, 2022 18:04
Head branch was pushed to by a user without write access

plun1331 dismissed Lulalaby’s stale review via 0770d11 January 27, 2022 18:04

plun1331 added 3 commits January 27, 2022 20:29

Add module to SlashCommandGroup

19f9e45

Fix removing application commands

61c15a2

delete testing files i committed by accident

0054967

rip my bot token

krittick mentioned this pull request Jan 28, 2022

Last slash command registered is duplicated with no id in bot._application_commands #873

Closed

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Lulalaby approved these changes Jan 28, 2022

View reviewed changes

Lulalaby requested a review from Dorukyum January 28, 2022 19:33

Lulalaby enabled auto-merge (squash) January 28, 2022 19:33

Dorukyum approved these changes Jan 28, 2022

View reviewed changes

Lulalaby merged commit f314302 into Pycord-Development:master Jan 28, 2022

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Fix extensions in discord.Bot #838

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