mirror of
https://github.com/uhIgnacio/EmoteManager.git
synced 2024-08-15 02:23:13 +00:00
192 lines
6 KiB
Python
192 lines
6 KiB
Python
#!/usr/bin/env python3
|
|
# encoding: utf-8
|
|
|
|
import io
|
|
import imghdr
|
|
import asyncio
|
|
import logging
|
|
import traceback
|
|
import contextlib
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
try:
|
|
from wand.image import Image
|
|
except ImportError:
|
|
logger.warn('failed to import wand.image. Image manipulation functions will be unavailable.')
|
|
Image = None
|
|
|
|
import aiohttp
|
|
import discord
|
|
from discord.ext import commands
|
|
|
|
import utils
|
|
import utils.image
|
|
from utils import errors
|
|
|
|
class Emotes:
|
|
def __init__(self, bot):
|
|
self.bot = bot
|
|
self.http = aiohttp.ClientSession(loop=self.bot.loop, read_timeout=30, headers={
|
|
'User-Agent':
|
|
self.bot.config['user_agent'] + ' '
|
|
+ self.bot.http.user_agent
|
|
})
|
|
|
|
async def __local_check(self, context):
|
|
if not context.guild:
|
|
await context.send(
|
|
f'{utils.SUCCESS_EMOTES[False]} Sorry, this command may only be used in a server.')
|
|
return False
|
|
|
|
if not context.author.guild_permissions.manage_emojis:
|
|
await context.send(
|
|
f'{utils.SUCCESS_EMOTES[False]} '
|
|
"Sorry, you don't have enough permissions to run this command. "
|
|
'You need the Manage Emojis permission.')
|
|
return False
|
|
|
|
return True
|
|
|
|
async def on_command_error(self, context, error):
|
|
if isinstance(error, errors.EmoteManagerError):
|
|
await context.send(str(error))
|
|
|
|
@commands.command()
|
|
async def add(self, context, *args):
|
|
"""Adds an emoji to this server."""
|
|
try:
|
|
name, url = self.parse_add_command_args(context, args)
|
|
except commands.BadArgument as exception:
|
|
return await context.send(exception)
|
|
|
|
async with context.typing():
|
|
message = await self.add_safe(context.guild, name, url, context.message.author.id)
|
|
await context.send(message)
|
|
|
|
@classmethod
|
|
def parse_add_command_args(cls, context, args):
|
|
if context.message.attachments:
|
|
return cls.parse_add_command_attachment(context, args)
|
|
|
|
elif len(args) == 1:
|
|
match = utils.emote.RE_CUSTOM_EMOTE.match(args[0])
|
|
if match is None:
|
|
raise commands.BadArgument(
|
|
'Error: I expected a custom emote as the first argument, '
|
|
'but I got something else. '
|
|
"If you're trying to add an emote using an image URL, "
|
|
'you need to provide a name as the first argument, like this:\n'
|
|
'`{}add NAME_HERE URL_HERE`'.format(context.prefix))
|
|
else:
|
|
animated, name, id = match.groups()
|
|
url = utils.emote.url(id, animated=animated)
|
|
|
|
return name, url
|
|
|
|
elif len(args) >= 2:
|
|
name = args[0]
|
|
match = utils.emote.RE_CUSTOM_EMOTE.match(args[1])
|
|
if match is None:
|
|
url = utils.strip_angle_brackets(args[1])
|
|
else:
|
|
url = utils.emote.url(match.group('id'))
|
|
|
|
return name, url
|
|
|
|
elif not args:
|
|
raise commands.BadArgument('Your message had no emotes and no name!')
|
|
|
|
@staticmethod
|
|
def parse_add_command_attachment(context, args):
|
|
attachment = context.message.attachments[0]
|
|
# as far as i can tell, this is how discord replaces filenames when you upload an emote image
|
|
name = ''.join(args) if args else attachment.filename.split('.')[0].replace(' ', '')
|
|
url = attachment.url
|
|
|
|
return name, url
|
|
|
|
async def add_safe(self, guild, name, url, author_id):
|
|
"""Try to add an emote. Returns a string that should be sent to the user."""
|
|
try:
|
|
emote = await self.add_from_url(guild, name, url, author_id)
|
|
except discord.HTTPException as ex:
|
|
return (
|
|
'An error occurred while creating the emote:\n'
|
|
+ utils.format_http_exception(ex))
|
|
except asyncio.TimeoutError:
|
|
return 'Error: retrieving the image took too long.'
|
|
except ValueError:
|
|
return 'Error: Invalid URL.'
|
|
else:
|
|
return f'Emote {emote} successfully created.'
|
|
|
|
async def add_from_url(self, guild, name, url, author_id):
|
|
image_data = await self.fetch_emote(url)
|
|
emote = await self.create_emote_from_bytes(guild, name, author_id, image_data)
|
|
|
|
return emote
|
|
|
|
async def fetch_emote(self, url):
|
|
# credits to @Liara#0001 (ID 136900814408122368) for most of this part
|
|
# https://gitlab.com/Pandentia/element-zero/blob/47bc8eeeecc7d353ec66e1ef5235adab98ca9635/element_zero/cogs/emoji.py#L217-228
|
|
async with self.http.head(url, timeout=5) as response:
|
|
if response.reason != 'OK':
|
|
raise errors.HTTPException(response.status)
|
|
if response.headers.get('Content-Type') not in ('image/png', 'image/jpeg', 'image/gif'):
|
|
raise errors.InvalidImageError
|
|
|
|
async with self.http.get(url) as response:
|
|
if response.reason != 'OK':
|
|
raise errors.HTTPException(response.status)
|
|
return io.BytesIO(await response.read())
|
|
|
|
async def create_emote_from_bytes(self, guild, name, author_id, image_data: io.BytesIO):
|
|
# resize_until_small is normally blocking, because wand is.
|
|
# run_in_executor is magic that makes it non blocking somehow.
|
|
# also, None as the executor arg means "use the loop's default executor"
|
|
image_data = await self.bot.loop.run_in_executor(None, utils.image.resize_until_small, image_data)
|
|
return await guild.create_custom_emoji(
|
|
name=name,
|
|
image=image_data.read(),
|
|
reason=f'Created by {utils.format_user(self.bot, author_id)}')
|
|
|
|
@commands.command()
|
|
async def remove(self, context, name):
|
|
emote = await self.disambiguate(context, name)
|
|
await emote.delete(reason=f'Removed by {utils.format_user(self.bot, context.author.id)}')
|
|
await context.send(f'Emote \:{emote.name}: successfully removed.')
|
|
|
|
async def disambiguate(self, context, name):
|
|
candidates = [e for e in context.guild.emojis if e.name.lower() == name.lower() and e.require_colons]
|
|
if not candidates:
|
|
raise errors.EmoteNotFoundError(name)
|
|
|
|
if len(candidates) == 1:
|
|
return candidates[0]
|
|
|
|
message = ['Multiple emotes were found with that name. Which one do you mean?']
|
|
for i, emote in enumerate(candidates, 1):
|
|
message.append(f'{i}. {emote} (\:{emote.name}:)')
|
|
|
|
await context.send('\n'.join(message))
|
|
|
|
def check(message):
|
|
try:
|
|
int(message.content)
|
|
except ValueError:
|
|
return False
|
|
else:
|
|
return message.author == context.author
|
|
|
|
try:
|
|
message = await self.bot.wait_for('message', check=check, timeout=30)
|
|
except asyncio.TimeoutError:
|
|
raise commands.UserInputError('Sorry, you took too long. Try again.')
|
|
|
|
return candidates[int(message.content)-1]
|
|
|
|
|
|
def setup(bot):
|
|
bot.add_cog(Emotes(bot))
|