253 lines
8.8 KiB
Python
253 lines
8.8 KiB
Python
import asyncio
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import discord
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import traceback
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from discord.ext import commands
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if not discord.opus.is_loaded():
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discord.opus.load_opus('/usr/lib64/libopus.so.0')
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class VoiceEntry:
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def __init__(self, message, player):
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self.requester = message.author
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self.channel = message.channel
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self.player = player
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def __str__(self):
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fmt = '*{0.title}* uploaded by {0.uploader} and requested by {1.display_name}'
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duration = self.player.duration
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if duration:
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fmt += ' [length: {0[0]}m {0[1]}s]'.format(divmod(round(duration,0), 60))
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return fmt.format(self.player, self.requester)
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class VoiceState:
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def __init__(self, bot):
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self.current = None
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self.voice = None
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self.bot = bot
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self.play_next_song = asyncio.Event()
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self.songs = asyncio.Queue()
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self.skip_votes = set() # a set of user_ids that voted
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self.audio_player = self.bot.loop.create_task(self.audio_player_task())
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def is_playing(self):
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if self.voice is None or self.current is None:
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return False
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player = self.current.player
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return not player.is_done()
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@property
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def player(self):
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return self.current.player
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def skip(self):
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self.skip_votes.clear()
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if self.is_playing():
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self.player.stop()
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def toggle_next(self):
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self.bot.loop.call_soon_threadsafe(self.play_next_song.set)
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async def audio_player_task(self):
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while True:
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self.play_next_song.clear()
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self.current = await self.songs.get()
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await self.bot.send_message(self.current.channel, 'Now playing ' + str(self.current))
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self.current.player.start()
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await self.play_next_song.wait()
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class Music:
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"""Voice related commands.
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Works in multiple servers at once.
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"""
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def __init__(self, bot):
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self.bot = bot
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self.voice_states = {}
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def get_voice_state(self, server):
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state = self.voice_states.get(server.id)
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if state is None:
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state = VoiceState(self.bot)
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self.voice_states[server.id] = state
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return state
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async def create_voice_client(self, channel):
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voice = await self.bot.join_voice_channel(channel)
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state = self.get_voice_state(channel.server)
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state.voice = voice
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def __unload(self):
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for state in self.voice_states.values():
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try:
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state.audio_player.cancel()
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if state.voice:
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self.bot.loop.create_task(state.voice.disconnect())
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except:
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pass
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def isMod():
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def predicate(ctx):
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return ctx.message.author.top_role.permissions.kick_members
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return commands.check(predicate)
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@commands.command(pass_context=True, no_pm=True)
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async def join(self, ctx, *, channel : discord.Channel):
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"""Joins a voice channel."""
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try:
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await self.create_voice_client(channel)
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except discord.InvalidArgument:
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await self.bot.say('This is not a voice channel...')
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except discord.ClientException:
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await self.bot.say('Already in a voice channel...')
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except Exception as e:
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fmt = 'An error occurred while processing this request: ```py\n{}: {}\n```'
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await self.bot.say(fmt.format(type(e).__name__, e))
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else:
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await self.bot.say('Ready to play audio in ' + channel.name)
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@commands.command(pass_context=True, no_pm=True)
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async def summon(self, ctx):
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"""Summons the bot to join your voice channel."""
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summoned_channel = ctx.message.author.voice_channel
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if summoned_channel is None:
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await self.bot.say('You are not in a voice channel.')
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return False
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state = self.get_voice_state(ctx.message.server)
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if state.voice is None:
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state.voice = await self.bot.join_voice_channel(summoned_channel)
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else:
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await state.voice.move_to(summoned_channel)
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return True
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@commands.command(pass_context=True, no_pm=True)
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async def play(self, ctx, *, song : str):
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"""Plays a song.
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If there is a song currently in the queue, then it is
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queued until the next song is done playing.
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This command automatically searches as well from YouTube.
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The list of supported sites can be found here:
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https://rg3.github.io/youtube-dl/supportedsites.html
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"""
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state = self.get_voice_state(ctx.message.server)
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opts = {
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'default_search': 'auto',
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'quiet': True,
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}
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if state.voice is None:
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success = await ctx.invoke(self.summon)
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if not success:
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return
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player = await state.voice.create_ytdl_player(song, ytdl_options=opts, after=state.toggle_next)
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player.volume = 0.6
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entry = VoiceEntry(ctx.message, player)
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await self.bot.say('Enqueued ' + str(entry))
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await state.songs.put(entry)
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@commands.command(pass_context=True, no_pm=True)
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@isMod()
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async def volume(self, ctx, value : int):
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"""Sets the volume of the currently playing song."""
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state = self.get_voice_state(ctx.message.server)
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if state.is_playing():
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player = state.player
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player.volume = value / 100
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await self.bot.say('Set the volume to {:.0%}'.format(player.volume))
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@commands.command(pass_context=True, no_pm=True)
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@isMod()
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async def pause(self, ctx):
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"""Pauses the currently played song."""
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state = self.get_voice_state(ctx.message.server)
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if state.is_playing():
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player = state.player
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player.pause()
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@commands.command(pass_context=True, no_pm=True)
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@isMod()
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async def resume(self, ctx):
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"""Resumes the currently played song."""
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state = self.get_voice_state(ctx.message.server)
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if state.is_playing():
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player = state.player
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player.resume()
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@commands.command(pass_context=True, no_pm=True)
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@isMod()
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async def stop(self, ctx):
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"""Stops playing audio and leaves the voice channel.
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This also clears the queue.
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"""
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server = ctx.message.server
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state = self.get_voice_state(server)
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if state.is_playing():
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player = state.player
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player.stop()
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try:
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state.audio_player.cancel()
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del self.voice_states[server.id]
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await state.voice.disconnect()
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except:
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pass
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@commands.command(pass_context=True,no_pm=True)
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async def queuelength(self,ctx):
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"""Prints the length of the queue"""
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try:
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await self.bot.say("There are a total of {} songs in the queue".format(str(self.get_voice_state(ctx.message.server).songs.qsize())))
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except:
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await self.bot.say(traceback.format_exc())
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@commands.command(pass_context=True, no_pm=True)
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async def skip(self, ctx):
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"""Vote to skip a song. The song requester can automatically skip.
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3 skip votes are needed for the song to be skipped.
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"""
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state = self.get_voice_state(ctx.message.server)
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if not state.is_playing():
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await self.bot.say('Not playing any music right now...')
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return
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voter = ctx.message.author
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if voter == state.current.requester:
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await self.bot.say('Requester requested skipping song...')
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state.skip()
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elif voter.id not in state.skip_votes:
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state.skip_votes.add(voter.id)
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total_votes = len(state.skip_votes)
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if total_votes >= 3:
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await self.bot.say('Skip vote passed, skipping song...')
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state.skip()
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else:
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await self.bot.say('Skip vote added, currently at [{}/3]'.format(total_votes))
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else:
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await self.bot.say('You have already voted to skip this song.')
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@commands.command(pass_context=True, no_pm=True)
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@isMod()
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async def modskip(self, ctx):
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"""Forces a song skip, can only be used by a moderator"""
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state = self.get_voice_state(ctx.message.server)
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if not state.is_playing():
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await self.bot.say('Not playing any music right now...')
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return
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state.skip()
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await self.bot.say('Song has just been skipped.')
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@commands.command(pass_context=True, no_pm=True)
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async def playing(self, ctx):
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"""Shows info about the currently played song."""
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state = self.get_voice_state(ctx.message.server)
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if state.current is None:
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await self.bot.say('Not playing anything.')
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else:
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skip_count = len(state.skip_votes)
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await self.bot.say('Now playing {} [skips: {}/3]'.format(state.current, skip_count))
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