Files
discord-bot-template/src/meta/LionTree.py

149 lines
6.4 KiB
Python

import logging
import discord
from discord import Interaction
from discord.app_commands import CommandTree
from discord.app_commands.errors import AppCommandError, CommandInvokeError
from discord.enums import InteractionType
from discord.app_commands.namespace import Namespace
from utils.lib import tabulate
from .logger import logging_context, set_logging_context, log_wrap, log_action_stack
from .errors import SafeCancellation
from .config import conf
logger = logging.getLogger(__name__)
class LionTree(CommandTree):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._call_tasks = set()
async def on_error(self, interaction: discord.Interaction, error) -> None:
try:
if isinstance(error, CommandInvokeError):
raise error.original
else:
raise error
except SafeCancellation:
# Assume this has already been handled
pass
except Exception:
logger.exception(f"Unhandled exception in interaction: {interaction}", extra={'action': 'TreeError'})
if interaction.type is not InteractionType.autocomplete:
embed = self.bugsplat(interaction, error)
await self.error_reply(interaction, embed)
async def error_reply(self, interaction, embed):
if not interaction.is_expired():
try:
if interaction.response.is_done():
await interaction.followup.send(embed=embed, ephemeral=True)
else:
await interaction.response.send_message(embed=embed, ephemeral=True)
except discord.HTTPException:
pass
def bugsplat(self, interaction, e):
error_embed = discord.Embed(title="Something went wrong!", colour=discord.Colour.red())
error_embed.description = (
"An unexpected error occurred during this interaction!\n"
"Our development team has been notified, and the issue will be addressed soon.\n"
)
details = {}
details['error'] = f"`{repr(e)}`"
details['interactionid'] = f"`{interaction.id}`"
details['interactiontype'] = f"`{interaction.type}`"
if interaction.command:
details['cmd'] = f"`{interaction.command.qualified_name}`"
if interaction.user:
details['user'] = f"`{interaction.user.id}` -- `{interaction.user}`"
if interaction.guild:
details['guild'] = f"`{interaction.guild.id}` -- `{interaction.guild.name}`"
details['my_guild_perms'] = f"`{interaction.guild.me.guild_permissions.value}`"
if interaction.user:
ownerstr = ' (owner)' if interaction.user.id == interaction.guild.owner_id else ''
details['user_guild_perms'] = f"`{interaction.user.guild_permissions.value}{ownerstr}`"
if interaction.channel.type is discord.enums.ChannelType.private:
details['channel'] = "`Direct Message`"
elif interaction.channel:
details['channel'] = f"`{interaction.channel.id}` -- `{interaction.channel.name}`"
details['my_channel_perms'] = f"`{interaction.channel.permissions_for(interaction.guild.me).value}`"
if interaction.user:
details['user_channel_perms'] = f"`{interaction.channel.permissions_for(interaction.user).value}`"
details['shard'] = f"`{interaction.client.shardname}`"
details['log_stack'] = f"`{log_action_stack.get()}`"
table = '\n'.join(tabulate(*details.items()))
error_embed.add_field(name='Details', value=table)
return error_embed
def _from_interaction(self, interaction: Interaction) -> None:
@log_wrap(context=f"iid: {interaction.id}", isolate=False)
async def wrapper():
try:
await self._call(interaction)
except AppCommandError as e:
await self._dispatch_error(interaction, e)
task = self.client.loop.create_task(wrapper(), name='CommandTree-invoker')
self._call_tasks.add(task)
task.add_done_callback(lambda fut: self._call_tasks.discard(fut))
async def _call(self, interaction):
if not await self.interaction_check(interaction):
interaction.command_failed = True
return
data = interaction.data # type: ignore
type = data.get('type', 1)
if type != 1:
# Context menu command...
await self._call_context_menu(interaction, data, type)
return
command, options = self._get_app_command_options(data)
# Pre-fill the cached slot to prevent re-computation
interaction._cs_command = command
# At this point options refers to the arguments of the command
# and command refers to the class type we care about
namespace = Namespace(interaction, data.get('resolved', {}), options)
# Same pre-fill as above
interaction._cs_namespace = namespace
# Auto complete handles the namespace differently... so at this point this is where we decide where that is.
if interaction.type is InteractionType.autocomplete:
set_logging_context(action=f"Acmp {command.qualified_name}")
focused = next((opt['name'] for opt in options if opt.get('focused')), None)
if focused is None:
raise AppCommandError(
'This should not happen, but there is no focused element. This is a Discord bug.'
)
try:
await command._invoke_autocomplete(interaction, focused, namespace)
except Exception as e:
await self.on_error(interaction, e)
return
set_logging_context(action=f"Run {command.qualified_name}")
logger.debug(f"Running command '{command.qualified_name}': {command.to_dict(self)}")
try:
await command._invoke_with_namespace(interaction, namespace)
except AppCommandError as e:
interaction.command_failed = True
await command._invoke_error_handlers(interaction, e)
await self.on_error(interaction, e)
else:
if not interaction.command_failed:
self.client.dispatch('app_command_completion', interaction, command)
finally:
if interaction.command_failed:
logger.debug("Command completed with errors.")
else:
logger.debug("Command completed without errors.")