429 lines
13 KiB
Python
429 lines
13 KiB
Python
"""
|
|
Play Music
|
|
|
|
A COG NOT WRITTEN BY ME! ALTERED FROM THIS ONE:
|
|
https://gist.github.com/vbe0201/ade9b80f2d3b64643d854938d40a0a2d
|
|
"""
|
|
|
|
# IMPORTS - external
|
|
import discord
|
|
from discord.ext import commands
|
|
import youtube_dl
|
|
import functools
|
|
import asyncio
|
|
import itertools
|
|
import math
|
|
import random
|
|
from async_timeout import timeout
|
|
|
|
# COG BODY
|
|
|
|
class VoiceError(Exception):
|
|
pass
|
|
|
|
class YTDLError(Exception):
|
|
pass
|
|
|
|
class YTDLSource(discord.PCMVolumeTransformer):
|
|
YTDL_OPTIONS = {
|
|
'format': 'bestaudio/best',
|
|
'extractaudio': True,
|
|
'audioformat': 'mp3',
|
|
'outtmpl': '%(extractor)s-%(id)s-%(title)s.%(ext)s',
|
|
'restrictfilenames': True,
|
|
'noplaylist': True,
|
|
'nocheckcertificate': True,
|
|
'ignoreerrors': False,
|
|
'logtostderr': False,
|
|
'quiet': True,
|
|
'no_warnings': True,
|
|
'default_search': 'auto',
|
|
'source_address': '0.0.0.0',
|
|
}
|
|
|
|
FFMPEG_OPTIONS = {
|
|
'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5',
|
|
'options': '-vn',
|
|
}
|
|
|
|
ytdl = youtube_dl.YoutubeDL(YTDL_OPTIONS)
|
|
|
|
def __init__(self, ctx: commands.Context, source: discord.FFmpegPCMAudio, *, data: dict, volume: float = 0.5):
|
|
super().__init__(source, volume)
|
|
|
|
self.requester = ctx.author
|
|
self.channel = ctx.channel
|
|
self.data = data
|
|
|
|
self.uploader = data.get('uploader')
|
|
self.uploader_url = data.get('uploader_url')
|
|
date = data.get('upload_date')
|
|
self.upload_date = date[6:8] + '.' + date[4:6] + '.' + date[0:4]
|
|
self.title = data.get('title')
|
|
self.thumbnail = data.get('thumbnail')
|
|
self.description = data.get('description')
|
|
self.duration = self.parse_duration(int(data.get('duration')))
|
|
self.tags = data.get('tags')
|
|
self.url = data.get('webpage_url')
|
|
self.views = data.get('view_count')
|
|
self.likes = data.get('like_count')
|
|
self.dislikes = data.get('dislike_count')
|
|
self.stream_url = data.get('url')
|
|
|
|
def __str__(self):
|
|
return '**{0.title}** by **{0.uploader}**'.format(self)
|
|
|
|
@classmethod
|
|
async def create_source(cls, ctx: commands.Context, search: str, *, loop: asyncio.BaseEventLoop = None):
|
|
loop = loop or asyncio.get_event_loop()
|
|
|
|
partial = functools.partial(cls.ytdl.extract_info, search, download=False, process=False)
|
|
data = await loop.run_in_executor(None, partial)
|
|
|
|
if data is None:
|
|
raise YTDLError('Couldn\'t find anything that matches `{}`'.format(search))
|
|
|
|
if 'entries' not in data:
|
|
process_info = data
|
|
else:
|
|
process_info = None
|
|
for entry in data['entries']:
|
|
if entry:
|
|
process_info = entry
|
|
break
|
|
|
|
if process_info is None:
|
|
raise YTDLError('Couldn\'t find anything that matches `{}`'.format(search))
|
|
|
|
webpage_url = process_info['webpage_url']
|
|
partial = functools.partial(cls.ytdl.extract_info, webpage_url, download=False)
|
|
processed_info = await loop.run_in_executor(None, partial)
|
|
|
|
if processed_info is None:
|
|
raise YTDLError('Couldn\'t fetch `{}`'.format(webpage_url))
|
|
|
|
if 'entries' not in processed_info:
|
|
info = processed_info
|
|
else:
|
|
info = None
|
|
while info is None:
|
|
try:
|
|
info = processed_info['entries'].pop(0)
|
|
except IndexError:
|
|
raise YTDLError('Couldn\'t retrieve any matches for `{}`'.format(webpage_url))
|
|
|
|
return cls(ctx, discord.FFmpegPCMAudio(info['url'], **cls.FFMPEG_OPTIONS), data=info)
|
|
|
|
@staticmethod
|
|
def parse_duration(duration: int):
|
|
minutes, seconds = divmod(duration, 60)
|
|
hours, minutes = divmod(minutes, 60)
|
|
days, hours = divmod(hours, 24)
|
|
|
|
duration = []
|
|
if days > 0:
|
|
duration.append('{} days'.format(days))
|
|
if hours > 0:
|
|
duration.append('{} hours'.format(hours))
|
|
if minutes > 0:
|
|
duration.append('{} minutes'.format(minutes))
|
|
if seconds > 0:
|
|
duration.append('{} seconds'.format(seconds))
|
|
|
|
return ', '.join(duration)
|
|
|
|
class Song:
|
|
def __init__(self, source: YTDLSource):
|
|
self.source = source
|
|
self.requester = source.requester
|
|
|
|
def create_embed(self):
|
|
title = "Now playing"
|
|
description = f"{self.source.title}"
|
|
embed = (discord.Embed(title=title,
|
|
description=description,
|
|
colour=discord.Colour.blue()
|
|
))
|
|
embed.add_field(name='Uploader', value='[{0.source.uploader}]({0.source.uploader_url})'.format(self))
|
|
embed.add_field(name="Duration", value=self.source.duration)
|
|
embed.add_field(name="Requested by", value=self.requester.mention)
|
|
embed.add_field(name='URL', value='[Click]({0.source.url})'.format(self))
|
|
embed.set_thumbnail(url=self.source.thumbnail)
|
|
|
|
return embed
|
|
|
|
class SongQueue(asyncio.Queue):
|
|
def __getitem__(self, item):
|
|
if isinstance(item, slice):
|
|
return list(itertools.islice(self._queue, item.start, item.stop, item.step))
|
|
else:
|
|
return self._queue[item]
|
|
|
|
def __iter__(self):
|
|
return self._queue.__iter__()
|
|
|
|
def __len__(self):
|
|
return self.qsize()
|
|
|
|
def clear(self):
|
|
self._queue.clear()
|
|
|
|
def shuffle(self):
|
|
random.shuffle(self._queue)
|
|
|
|
def remove(self, index: int):
|
|
del self._queue[index]
|
|
|
|
class VoiceState:
|
|
def __init__(self, bot: commands.Bot, ctx: commands.Context):
|
|
self.bot = bot
|
|
self._ctx = ctx
|
|
|
|
self.current = None
|
|
self.voice = None
|
|
self.next = asyncio.Event()
|
|
self.songs = SongQueue()
|
|
|
|
self._loop = False
|
|
self._volume = 0.5
|
|
self.skip_votes = set()
|
|
|
|
self.audio_player = bot.loop.create_task(self.audio_player_task())
|
|
|
|
def __del__(self):
|
|
self.audio_player.cancel()
|
|
|
|
@property
|
|
def loop(self):
|
|
return self._loop
|
|
|
|
@loop.setter
|
|
def loop(self, value: bool):
|
|
self._loop = value
|
|
|
|
@property
|
|
def volume(self):
|
|
return self._volume
|
|
|
|
@volume.setter
|
|
def volume(self, value: float):
|
|
self._volume = value
|
|
|
|
@property
|
|
def is_playing(self):
|
|
return self.voice and self.current
|
|
|
|
async def audio_player_task(self):
|
|
while True:
|
|
self.next.clear()
|
|
|
|
if not self.loop:
|
|
# 3 minute timeout
|
|
try:
|
|
async with timeout(180): # 3 minutes
|
|
self.current = await self.songs.get()
|
|
except asyncio.TimeoutError:
|
|
self.bot.loop.create_task(self.stop())
|
|
return
|
|
|
|
self.current.source.volume = self._volume
|
|
self.voice.play(self.current.source, after=self.play_next_song)
|
|
await self.current.source.channel.send(embed=self.current.create_embed())
|
|
|
|
await self.next.wait()
|
|
|
|
def play_next_song(self, error=None):
|
|
if error:
|
|
raise VoiceError(str(error))
|
|
|
|
self.next.set()
|
|
|
|
def skip(self):
|
|
self.skip_votes.clear()
|
|
|
|
if self.is_playing:
|
|
self.voice.stop()
|
|
|
|
async def stop(self):
|
|
self.songs.clear()
|
|
|
|
if self.voice:
|
|
await self.voice.disconnect()
|
|
self.voice = None
|
|
|
|
class Music(commands.Cog):
|
|
def __init__(self, bot: commands.Bot):
|
|
self.bot = bot
|
|
self.voice_states = {}
|
|
|
|
def get_voice_state(self, ctx: commands.Context):
|
|
state = self.voice_states.get(ctx.guild.id)
|
|
if not state:
|
|
state = VoiceState(self.bot, ctx)
|
|
self.voice_states[ctx.guild.id] = state
|
|
|
|
return state
|
|
|
|
def cog_unload(self):
|
|
for state in self.voice_states.values():
|
|
self.bot.loop.create_task(state.stop())
|
|
|
|
def cog_check(self, ctx: commands.Context):
|
|
if not ctx.guild:
|
|
raise commands.NoPrivateMessage('This command can\'t be used in DM channels.')
|
|
|
|
return True
|
|
|
|
async def cog_before_invoke(self, ctx: commands.Context):
|
|
ctx.voice_state = self.get_voice_state(ctx)
|
|
|
|
async def cog_command_error(self, ctx: commands.Context, error: commands.CommandError):
|
|
await ctx.send('{}'.format(str(error)))
|
|
|
|
############
|
|
# COMMANDS #
|
|
############
|
|
|
|
@commands.command(name="join")
|
|
async def join(self, ctx: commands.Context, channel: discord.VoiceChannel = None):
|
|
"""
|
|
Joins your voice channel
|
|
"""
|
|
if not channel and not ctx.author.voice:
|
|
raise VoiceError("You're not connected to a voice channel!")
|
|
|
|
destination = ctx.author.voice.channel
|
|
if ctx.voice_state.voice:
|
|
await ctx.voice_state.voice.move_to(destination)
|
|
return
|
|
|
|
ctx.voice_state.voice = await destination.connect()
|
|
await ctx.message.add_reaction('🤙')
|
|
|
|
@commands.command(name="leave", aliases=["dc"])
|
|
async def leave(self, ctx: commands.Context):
|
|
"""
|
|
Leaves your voice channel
|
|
"""
|
|
if not ctx.voice_state.voice:
|
|
return await ctx.send("You're not connected to a voice channel!")
|
|
|
|
await ctx.voice_state.stop()
|
|
del self.voice_states[ctx.guild.id]
|
|
await ctx.message.add_reaction('👋')
|
|
|
|
@commands.command(name="now", aliases=["np"])
|
|
async def now(self, ctx: commands.Context):
|
|
"""
|
|
Shows the current playing song
|
|
"""
|
|
await ctx.send(embed=ctx.voice_state.current.create_embed())
|
|
|
|
@commands.command(name='pause')
|
|
async def pause(self, ctx: commands.Context):
|
|
"""
|
|
Pauses the currently playing song
|
|
"""
|
|
if not ctx.voice_state.is_playing and ctx.voice_state.voice.is_playing():
|
|
ctx.voice_state.voice.pause()
|
|
await ctx.message.add_reaction('⏯')
|
|
|
|
@commands.command(name='resume')
|
|
async def resume(self, ctx: commands.Context):
|
|
"""
|
|
Resumes a currently paused song.
|
|
"""
|
|
if not ctx.voice_state.is_playing and ctx.voice_state.voice.is_paused():
|
|
ctx.voice_state.voice.resume()
|
|
await ctx.message.add_reaction('⏯')
|
|
|
|
@commands.command(name="skip")
|
|
async def skip(self, ctx: commands.Context):
|
|
"""
|
|
Skips the currently playing song
|
|
"""
|
|
if not ctx.voice_state.is_playing:
|
|
return await ctx.send("Nothing is playing currently!")
|
|
|
|
await ctx.message.add_reaction('⏭')
|
|
ctx.voice_state.skip()
|
|
|
|
@commands.command(name="clear")
|
|
async def clear(self, ctx: commands.Context):
|
|
"""
|
|
Clears the current queue
|
|
"""
|
|
ctx.voice_state.songs.clear()
|
|
await ctx.message.add_reaction('⏹')
|
|
|
|
@commands.command(name='play')
|
|
async def play(self, ctx: commands.Context, *, search: str):
|
|
"""
|
|
Plays a song
|
|
"""
|
|
|
|
if not ctx.voice_state.voice:
|
|
await ctx.invoke(self.join)
|
|
|
|
async with ctx.typing():
|
|
try:
|
|
source = await YTDLSource.create_source(ctx, search, loop=self.bot.loop)
|
|
except YTDLError as e:
|
|
await ctx.send('An error occurred while processing this request: {}'.format(str(e)))
|
|
else:
|
|
song = Song(source)
|
|
|
|
await ctx.voice_state.songs.put(song)
|
|
await ctx.send('Enqueued {}'.format(str(source)))
|
|
|
|
@join.before_invoke
|
|
@play.before_invoke
|
|
async def ensure_voice_state(self, ctx: commands.Context):
|
|
if not ctx.author.voice or not ctx.author.voice.channel:
|
|
raise commands.CommandError('You are not connected to any voice channel.')
|
|
|
|
if ctx.voice_client:
|
|
if ctx.voice_client.channel != ctx.author.voice.channel:
|
|
raise commands.CommandError('Bot is already in a voice channel.')
|
|
|
|
# @commands.command(name='loop')
|
|
# async def loop(self, ctx: commands.Context):
|
|
# """
|
|
# Loops the currently playing song.
|
|
# """
|
|
# if not ctx.voice_state.is_playing:
|
|
# return await ctx.send('Nothing being played at the moment.')
|
|
#
|
|
# # Swap states
|
|
# ctx.voice_state.loop = not ctx.voice_state.loop
|
|
# await ctx.message.add_reaction('✅')
|
|
|
|
|
|
@commands.command(name="queue")
|
|
async def queue(self, ctx: commands.Context):
|
|
"""
|
|
Shows the queued songs
|
|
"""
|
|
if len(ctx.voice_state.songs) == 0:
|
|
return await ctx.send("The queue is empty.")
|
|
|
|
page = 1
|
|
|
|
items_per_page = 10
|
|
pages = math.ceil(len(ctx.voice_state.songs) / items_per_page)
|
|
|
|
start = (page - 1) * items_per_page
|
|
end = start + items_per_page
|
|
|
|
queue = ''
|
|
for i, song in enumerate(ctx.voice_state.songs[start:end], start=start):
|
|
queue += '`{0}.` [**{1.source.title}**]({1.source.url})\n'.format(i + 1, song)
|
|
|
|
embed = (discord.Embed(description='**{} tracks:**\n\n{}'.format(len(ctx.voice_state.songs), queue))
|
|
.set_footer(text='Viewing page {}/{}'.format(page, pages)))
|
|
await ctx.send(embed=embed)
|
|
|
|
# COG ENDING
|
|
def setup(bot):
|
|
bot.add_cog(Music(bot))
|