mirror of
https://github.com/uhIgnacio/EmoteManager.git
synced 2024-08-15 02:23:13 +00:00
306 lines
9.9 KiB
Python
306 lines
9.9 KiB
Python
#!/usr/bin/env python3
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# encoding: utf-8
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import io
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import imghdr
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import asyncio
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import logging
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import weakref
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import traceback
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import contextlib
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import urllib.parse
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import aioec
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import aiohttp
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import discord
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from discord.ext import commands
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import utils
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import utils.image
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from utils import errors
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from utils.paginator import ListPaginator
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logger = logging.getLogger(__name__)
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class Emotes:
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def __init__(self, bot):
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self.bot = bot
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self.http = aiohttp.ClientSession(loop=self.bot.loop, read_timeout=30, headers={
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'User-Agent':
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self.bot.config['user_agent'] + ' '
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+ self.bot.http.user_agent
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})
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self.aioec = aioec.Client(loop=self.bot.loop)
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# keep track of paginators so we can end them when the cog is unloaded
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self.paginators = weakref.WeakSet()
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def __unload(self):
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self.bot.loop.create_task(self.http.close())
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self.bot.loop.create_task(self.aioec.close())
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async def stop_all_paginators():
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for paginator in self.paginators:
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await paginator.stop()
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self.bot.loop.create_task(stop_all_paginators())
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async def __local_check(self, context):
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if not context.guild or not isinstance(context.author, discord.Member):
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raise commands.NoPrivateMessage
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if context.command is self.list:
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return True
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if (
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not context.author.guild_permissions.manage_emojis
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or not context.guild.me.guild_permissions.manage_emojis
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):
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raise errors.MissingManageEmojisPermission
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return True
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async def on_command_error(self, context, error):
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if isinstance(error, (errors.EmoteManagerError, errors.MissingManageEmojisPermission)):
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await context.send(str(error))
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if isinstance(error, commands.NoPrivateMessage):
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await context.send(
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f'{utils.SUCCESS_EMOJIS[False]} Sorry, this command may only be used in a server.')
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@commands.command()
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async def add(self, context, *args):
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"""Add a new emote to this server.
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You can use it like this:
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`add :thonkang:` (if you already have that emote)
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`add rollsafe https://image.noelshack.com/fichiers/2017/06/1486495269-rollsafe.png`
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`add speedtest <https://cdn.discordapp.com/emojis/379127000398430219.png>`
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With a file attachment:
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`add name` will upload a new emote using the first attachment as the image and call it `name`
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`add` will upload a new emote using the first attachment as the image,
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and its filename as the name
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"""
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try:
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name, url = self.parse_add_command_args(context, args)
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except commands.BadArgument as exception:
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return await context.send(exception)
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async with context.typing():
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message = await self.add_safe(context.guild, name, url, context.message.author.id)
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await context.send(message)
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@classmethod
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def parse_add_command_args(cls, context, args):
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if context.message.attachments:
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return cls.parse_add_command_attachment(context, args)
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elif len(args) == 1:
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match = utils.emote.RE_CUSTOM_EMOTE.match(args[0])
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if match is None:
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raise commands.BadArgument(
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'Error: I expected a custom emote as the first argument, '
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'but I got something else. '
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"If you're trying to add an emote using an image URL, "
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'you need to provide a name as the first argument, like this:\n'
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'`{}add NAME_HERE URL_HERE`'.format(context.prefix))
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else:
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animated, name, id = match.groups()
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url = utils.emote.url(id, animated=animated)
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return name, url
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elif len(args) >= 2:
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name = args[0]
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match = utils.emote.RE_CUSTOM_EMOTE.match(args[1])
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if match is None:
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url = utils.strip_angle_brackets(args[1])
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else:
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url = utils.emote.url(match.group('id'))
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return name, url
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elif not args:
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raise commands.BadArgument('Your message had no emotes and no name!')
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@staticmethod
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def parse_add_command_attachment(context, args):
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attachment = context.message.attachments[0]
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# as far as i can tell, this is how discord replaces filenames when you upload an emote image
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name = ''.join(args) if args else attachment.filename.split('.')[0].replace(' ', '')
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url = attachment.url
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return name, url
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@commands.command(name='add-from-ec', aliases=['addfromec'])
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async def add_from_ec(self, context, name):
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"""Copies an emote from Emote Collector to your server.
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The list of possible emotes you can copy is here:
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https://emote-collector.python-for.life/list
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"""
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name = name.strip(':')
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try:
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emote = await self.aioec.emote(name)
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except aioec.NotFound:
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return await context.send("Emote not found in Emote Collector's database.")
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except aioec.HttpException as exception:
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return await context.send(
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f'Error: the Emote Collector API returned status code {exception.status}')
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reason = (
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f'Added from Emote Collector by {utils.format_user(self.bot, context.author.id)}. '
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f'Original emote author: {utils.format_user(self.bot, emote.author)}')
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async with context.typing():
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message = await self.add_safe(context.guild, name, utils.emote.url(
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emote.id, animated=emote.animated
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), context.author.id, reason=reason)
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await context.send(message)
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async def add_safe(self, guild, name, url, author_id, *, reason=None):
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"""Try to add an emote. Returns a string that should be sent to the user."""
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try:
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emote = await self.add_from_url(guild, name, url, author_id, reason=reason)
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except discord.HTTPException as ex:
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return (
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'An error occurred while creating the emote:\n'
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+ utils.format_http_exception(ex))
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except asyncio.TimeoutError:
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return 'Error: retrieving the image took too long.'
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except ValueError:
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return 'Error: Invalid URL.'
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else:
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return f'Emote {emote} successfully created.'
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async def add_from_url(self, guild, name, url, author_id, *, reason=None):
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image_data = await self.fetch_emote(url)
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emote = await self.create_emote_from_bytes(guild, name, author_id, image_data, reason=reason)
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return emote
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async def fetch_emote(self, url):
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# credits to @Liara#0001 (ID 136900814408122368) for most of this part
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# https://gitlab.com/Pandentia/element-zero/blob/47bc8eeeecc7d353ec66e1ef5235adab98ca9635/element_zero/cogs/emoji.py#L217-228
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async with self.http.head(url, timeout=5) as response:
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if response.reason != 'OK':
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raise errors.HTTPException(response.status)
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if response.headers.get('Content-Type') not in ('image/png', 'image/jpeg', 'image/gif'):
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raise errors.InvalidImageError
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async with self.http.get(url) as response:
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if response.reason != 'OK':
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raise errors.HTTPException(response.status)
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return io.BytesIO(await response.read())
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async def create_emote_from_bytes(self, guild, name, author_id, image_data: io.BytesIO, *, reason=None):
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# resize_until_small is normally blocking, because wand is.
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# run_in_executor is magic that makes it non blocking somehow.
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# also, None as the executor arg means "use the loop's default executor"
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image_data = await self.bot.loop.run_in_executor(None, utils.image.resize_until_small, image_data)
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if reason is None:
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reason = f'Created by {utils.format_user(self.bot, author_id)}'
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return await guild.create_custom_emoji(
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name=name,
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image=image_data.read(),
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reason=reason)
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@commands.command(aliases=('delete', 'delet', 'rm'))
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async def remove(self, context, *emotes):
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"""Remove an emote from this server.
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emotes: the name of an emote or of one or more emotes you'd like to remove.
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"""
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if len(emotes) == 1:
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emote = await self.parse_emote(context, emotes[0])
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await emote.delete(reason=f'Removed by {utils.format_user(self.bot, context.author.id)}')
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await context.send(f'Emote \:{emote.name}: successfully removed.')
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else:
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for emote in emotes:
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await context.invoke(self.remove, emote)
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with contextlib.suppress(discord.HTTPException):
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await context.message.add_reaction(utils.SUCCESS_EMOJIS[True])
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@commands.command(aliases=('mv',))
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async def rename(self, context, old, new_name):
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"""Rename an emote on this server.
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old: the name of the emote to rename, or the emote itself
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new_name: what you'd like to rename it to
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"""
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emote = await self.parse_emote(context, old)
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try:
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await emote.edit(
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name=new_name,
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reason=f'Renamed by {utils.format_user(self.bot, context.author.id)}')
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except discord.HTTPException as ex:
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return await context.send(
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'An error occurred while renaming the emote:\n'
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+ utils.format_http_exception(ex))
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await context.send(f'Emote successfully renamed to \:{new_name}:')
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@commands.command(aliases=('ls', 'dir'))
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async def list(self, context):
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"""A list of all emotes on this server.
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The list shows each emote and its raw form.
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"""
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emotes = sorted(
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filter(lambda e: e.require_colons, context.guild.emojis),
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key=lambda e: e.name.lower())
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processed = []
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for emote in emotes:
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raw = str(emote).replace(':', '\:')
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processed.append(f'{emote} {raw}')
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paginator = ListPaginator(context, processed)
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self.paginators.add(paginator)
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await paginator.begin()
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async def parse_emote(self, context, name_or_emote):
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match = utils.emote.RE_CUSTOM_EMOTE.match(name_or_emote)
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if match:
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id = int(match.group('id'))
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emote = discord.utils.get(context.guild.emojis, id=id)
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if emote:
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return emote
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name = name_or_emote
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return await self.disambiguate(context, name)
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async def disambiguate(self, context, name):
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name = name.strip(':') # in case the user tries :foo: and foo is animated
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candidates = [e for e in context.guild.emojis if e.name.lower() == name.lower() and e.require_colons]
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if not candidates:
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raise errors.EmoteNotFoundError(name)
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if len(candidates) == 1:
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return candidates[0]
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message = ['Multiple emotes were found with that name. Which one do you mean?']
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for i, emote in enumerate(candidates, 1):
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message.append(f'{i}. {emote} (\:{emote.name}:)')
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await context.send('\n'.join(message))
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def check(message):
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try:
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int(message.content)
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except ValueError:
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return False
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else:
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return message.author == context.author
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try:
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message = await self.bot.wait_for('message', check=check, timeout=30)
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except asyncio.TimeoutError:
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raise commands.UserInputError('Sorry, you took too long. Try again.')
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return candidates[int(message.content)-1]
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def setup(bot):
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bot.add_cog(Emotes(bot))
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