701 lines
28 KiB
Python
701 lines
28 KiB
Python
from .voice_utilities import *
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from discord import FFmpegPCMAudio, PCMVolumeTransformer
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import discord
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from discord.ext import commands
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from . import utils
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import math
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import asyncio
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import time
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import re
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import logging
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from collections import deque
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log = logging.getLogger()
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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 VoiceState:
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def __init__(self, guild, bot, user_queue=False):
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self.guild = guild
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self.songs = Playlist(bot)
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self.djs = deque()
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self.dj = None
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self.current = None
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self.required_skips = 0
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self.skip_votes = set()
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self.user_queue = user_queue
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self.loop = bot.loop
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self._volume = 50
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@property
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def volume(self):
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return self._volume
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@volume.setter
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def volume(self, v):
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self._volume = v
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if self.voice and self.voice.source:
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self.voice.source.volume = v
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@property
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def voice(self):
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return self.guild.voice_client
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@property
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def playing(self):
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if self.voice is None:
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return False
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else:
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return self.voice.is_playing() or self.voice.is_paused()
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def switch_queue_type(self):
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self.songs.clear()
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self.djs.clear()
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self.dj = None
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self.user_queue = not self.user_queue
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self.skip()
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def get_dj(self, member):
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for x in self.djs:
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if x.member.id == member.id:
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return x
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def skip(self):
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self.skip_votes.clear()
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if self.playing:
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self.voice.stop()
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def after(self, _=None):
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if self.user_queue:
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self.djs.append(self.dj)
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fut = asyncio.run_coroutine_threadsafe(self.play_next_song(), self.loop)
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fut.result()
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async def play_next_song(self):
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self.skip_votes.clear()
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try:
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await self.next_song()
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except ExtractionError:
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# For now lets just silently continue in the queue
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# Implementation to the music notifications channel will change what we do here
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return await self.play_next_song()
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if self.current:
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source = FFmpegPCMAudio(
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self.current.filename,
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before_options='-nostdin',
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options='-vn -b:a 128k'
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)
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source = PCMVolumeTransformer(source, volume=self.volume)
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self.voice.play(source, after=self.after)
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self.current.start_time = time.time()
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else:
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# If we're here what we can assume is the following took place:
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# 1) The queue type is `user`
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# 2) Someone joined for the first time, starting off the queue
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# 3) They don't have a song in their playlist ready yet
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# So what we'll do here is just call this again a few seconds later
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await asyncio.sleep(2)
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return await self.play_next_song()
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async def next_song(self):
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if not self.user_queue:
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self.current = await self.songs.get_next_entry()
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else:
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try:
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self.dj = self.djs.popleft()
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except IndexError:
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self.current = None
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else:
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self.current = await self.dj.get_next_entry()
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self.djs.rotate(-1)
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if self.current is None:
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self.djs.remove(self.dj)
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await self.next_song()
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else:
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self.current.requester = self.dj.member
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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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down = Downloader(download_folder='audio_tmp')
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self.downloader = down
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self.bot.downloader = down
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async def queue_embed_task(self, state, channel, author):
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index = 0
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message = None
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fmt = None
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possible_reactions = ['\u27A1', '\u2B05', '\u2b06', '\u2b07', '\u274c', '\u23ea', '\u23e9']
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# Our check to ensure the only one who reacts is the bot
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def check(react, u):
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if message is None:
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return False
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elif react.message.id != message.id:
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return False
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elif react.emoji not in possible_reactions:
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return False
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else:
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return u.id == author.id
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while True:
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# Get the current queue (It might change while we're doing this)
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# So do this in the while loop
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if state.user_queue:
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queue = state.djs
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else:
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queue = state.songs.entries
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count = len(queue)
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# This means the last song was removed
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if count == 0:
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await channel.send("Nothing currently in the queue")
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break
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# Get the current entry
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entry = queue[index]
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dj = None
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if state.user_queue:
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dj = entry
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entry = entry.peek()
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# Get the entry's embed
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embed = entry.to_embed()
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# Set the embed's title to indicate the amount of things in the queue
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count = len(queue)
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embed.title = "Current Queue [{}/{}]".format(index + 1, count)
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# Now we need to send the embed, so check if the message is already set
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# If not, then we need to send a new one (i.e. this is the first time called)
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if message:
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await message.edit(content=fmt, embed=embed)
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# There's only one reaction we want to make sure we remove in the circumstances
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# If the member doesn't have kick_members permissions, and isn't the requester
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# Then they can't remove the song, otherwise they can
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if not author.guild_permissions.kick_members and author.id != entry.requester.id:
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try:
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await message.remove_reaction('\u274c', channel.server.me)
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except:
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pass
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elif not author.guild_permissions.kick_members and author.id == entry.requester.id:
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try:
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await message.add_reaction('\u274c')
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except:
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pass
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else:
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message = await channel.send(embed=embed)
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await message.add_reaction('\N{BLACK LEFT-POINTING DOUBLE TRIANGLE}')
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await message.add_reaction('\N{LEFTWARDS BLACK ARROW}')
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await message.add_reaction('\N{BLACK RIGHTWARDS ARROW}')
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await message.add_reaction('\N{BLACK RIGHT-POINTING DOUBLE TRIANGLE}')
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# The moderation tools that can be used
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if author.guild_permissions.kick_members:
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await message.add_reaction('\N{DOWNWARDS BLACK ARROW}')
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await message.add_reaction('\N{UPWARDS BLACK ARROW}')
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await message.add_reaction('\N{CROSS MARK}')
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elif author == entry.requester:
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await message.add_reaction('\N{CROSS MARK}')
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# Reset the fmt message
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fmt = "\u200B"
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# Now we wait for the next reaction
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try:
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reaction, user = await self.bot.wait_for('reaction_add', check=check, timeout=180)
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except asyncio.TimeoutError:
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break
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# Now we can prepare for the next embed to be sent
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# If right is clicked
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if '\u27A1' in reaction.emoji:
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index += 1
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if index >= count:
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index = 0
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# If left is clicked
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elif '\u2B05' in reaction.emoji:
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index -= 1
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if index < 0:
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index = count - 1
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# If up is clicked
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elif '\u2b06' in reaction.emoji:
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# A second check just to make sure, as well as ensuring index is higher than 0
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if author.guild_permissions.kick_members and index > 0:
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if dj and dj != queue[index]:
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fmt = "`Error: Position of this entry has changed, cannot complete your action`"
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elif not dj and entry != queue[index]:
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fmt = "`Error: Position of this entry has changed, cannot complete your action`"
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else:
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# Remove the current entry
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del queue[index]
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# Add it one position higher
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if state.user_queue:
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queue.insert(index - 1, dj)
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else:
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queue.insert(index - 1, entry)
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# Lets move the index to look at the new place of the entry
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index -= 1
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# If down is clicked
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elif '\u2b07' in reaction.emoji:
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# A second check just to make sure, as well as ensuring index is lower than last
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if author.guild_permissions.kick_members and index < (count - 1):
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if dj and dj != queue[index]:
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fmt = "`Error: Position of this entry has changed, cannot complete your action`"
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elif not dj and entry != queue[index]:
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fmt = "`Error: Position of this entry has changed, cannot complete your action`"
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else:
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# Remove the current entry
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del queue[index]
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# Add it one position lower
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if state.user_queue:
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queue.insert(index + 1, dj)
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else:
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queue.insert(index + 1, entry)
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# Lets move the index to look at the new place of the entry
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index += 1
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# If x is clicked
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elif '\u274c' in reaction.emoji:
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# A second check just to make sure
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if author.guild_permissions.kick_members or author == entry.requester:
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if dj and dj != queue[index]:
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fmt = "`Error: Position of this entry has changed, cannot complete your action`"
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elif not dj and entry != queue[index]:
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fmt = "`Error: Position of this entry has changed, cannot complete your action`"
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else:
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# Simply remove the entry in place
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del queue[index]
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# This is the only check we need to make, to ensure index is now not more than last
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new_count = count - 1
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if index >= new_count:
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index = new_count - 1
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# If first is clicked
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elif '\u23ea':
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index = 0
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# If last is clicked
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elif '\u23e9':
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index = count - 1
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try:
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await message.remove_reaction(reaction.emoji, user)
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except discord.Forbidden:
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pass
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await message.delete()
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# noinspection PyUnusedLocal
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async def on_voice_state_update(self, _, __, after):
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if after is None or after.channel is None:
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return
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state = self.voice_states.get(after.channel.guild.id)
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if state is None or state.voice is None or state.voice.channel is None:
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return
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voice_channel = state.voice.channel
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num_members = len(voice_channel.members)
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state.required_skips = math.ceil((num_members + 1) / 3)
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async def add_entry(self, song, ctx):
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state = self.voice_states[ctx.message.guild.id]
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entry, _ = await state.songs.add_entry(song)
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if not state.playing:
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await state.play_next_song()
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entry.requester = ctx.message.author
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return entry
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async def join_channel(self, channel, text_channel):
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state = self.voice_states.get(channel.guild.id)
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log.info("Joining channel {} in guild {}".format(channel.id, channel.guild.id))
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# Send a message letting the channel know we are attempting to join
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try:
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msg = await text_channel.send("Trying to join channel {}...".format(channel.name))
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except discord.Forbidden:
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msg = None
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try:
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# If we're already connected, try moving to the channel
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if state and state.voice and state.voice.channel:
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await state.voice.move_to(channel)
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# Otherwise, try connecting
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else:
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await channel.connect()
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# If we have connnected, create our voice state
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queue_type = self.bot.db.load('server_settings', key=channel.guild.id, pluck='queue_type')
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user_queue = queue_type == "user"
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self.voice_states[channel.guild.id] = VoiceState(channel.guild, self.bot, user_queue=user_queue)
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# If we can send messages, edit it to let the channel know we have succesfully joined
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if msg:
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await msg.edit(content="Ready to play audio in channel {}".format(channel.name))
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return True
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# If we time out trying to join, just let them know and return False
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except asyncio.TimeoutError:
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if msg:
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await msg.edit(content="Sorry, but I couldn't connect right now! Please try again later")
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return False
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# Theoretically this should never happen, however in rare cirumstances it does
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# This error arises when we are already in a channel and don't use "move"
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# We already checked if that existed above though, so this means the voice connection got stuck somewhere
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except discord.ClientException:
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if channel.guild.voice_client:
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# Force a disconnection
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await channel.guild.voice_client.disconnect(force=True)
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# Log this so we can track it
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log.warning(
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"Force cleared voice connection on guild {} after being stuck "
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"between connected/not connected".format(channel.guild.id))
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# Let them know what happened
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await channel.send("Sorry but I couldn't connect...try again?")
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return False
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@commands.command()
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@commands.guild_only()
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@utils.custom_perms(send_messages=True)
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async def progress(self, ctx):
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"""Provides the progress of the current song"""
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# Make sure we're playing first
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state = self.voice_states.get(ctx.message.guild.id)
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if state is None or not state.playing or state.current is None:
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await ctx.send('Not playing anything.')
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else:
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progress = state.current.progress
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length = state.current.length
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# Another check, just to make sure; this may happen for a very brief amount of time
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# Between when the song was requested, and still downloading to play
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if not progress or not length:
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await ctx.send('Not playing anything.')
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return
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# Otherwise just format this nicely
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progress = divmod(round(progress, 0), 60)
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length = divmod(round(length, 0), 60)
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fmt = "Current song progress: {0[0]}m {0[1]}s/{1[0]}m {1[1]}s".format(progress, length)
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await ctx.send(fmt)
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@commands.command(aliases=['summon'])
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@commands.guild_only()
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@utils.custom_perms(send_messages=True)
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async def join(self, ctx, *, channel: discord.VoiceChannel = None):
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"""Joins a voice channel. Provide the name of a voice channel after the command, and
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I will attempt to join this channel. Otherwise, I will join the channel you are in.
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EXAMPLE: !join Music
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RESULT: I have joined the music channel"""
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if channel is None:
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if ctx.message.author.voice is None or ctx.message.author.voice.channel is None:
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await ctx.send("You need to either be in a voice channel, or provide the name of a voice channel!")
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return False
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channel = ctx.message.author.voice.channel
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perms = channel.permissions_for(ctx.message.guild.me)
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if not perms.connect or not perms.speak or not perms.use_voice_activation:
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await ctx.send("I do not have correct permissions in {}! Please turn on `connect`, `speak`, and `use "
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"voice activation`".format(channel.name))
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return False
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return await self.join_channel(channel, ctx.channel)
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@commands.command()
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@commands.guild_only()
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@utils.custom_perms(send_messages=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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if ctx.message.guild.id not in self.voice_states:
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if not await ctx.invoke(self.join):
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return
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if self.voice_states.get(ctx.message.guild.id).user_queue:
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await ctx.send("The current queue type is the DJ queue. "
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"Use the command {}dj to join this queue".format(ctx.prefix))
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return
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song = re.sub('[<>\[\]]', '', song)
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if len(song) == 11:
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# Youtube-dl will attempt to things with the length of 11 as a video ID
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# If this is a search, this causes it to break
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# Youtube will still succeed if this *is* an ID provided, if there's a . after
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song += "."
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try:
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entry = await self.add_entry(song, ctx)
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except LiveStreamError as e:
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await ctx.send(str(e))
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except WrongEntryTypeError:
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await ctx.send("Cannot enqueue playlists at this time.")
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except ExtractionError as e:
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error = e.message.split('\n')
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if len(error) >= 3:
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# The first entry is the "We couldn't download" printed by the exception
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# The 2nd is the new line
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# We want youtube_dl's error message, but just the first part, the actual "error"
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error = error[2]
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# This is colour formatting for the console...it's just going to show up as text on discord
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error = error.replace("[0;31mERROR:[0m ", "")
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else:
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# This happens when the download just returns `None`
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error = error[0]
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await ctx.send(error)
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else:
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try:
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if entry is None:
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await ctx.send("Sorry but I couldn't download/find {}".format(song))
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else:
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embed = entry.to_embed()
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embed.title = "Enqueued song!"
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await ctx.send(embed=embed)
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except discord.Forbidden:
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pass
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@commands.command()
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@commands.guild_only()
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@utils.custom_perms(kick_members=True)
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async def volume(self, ctx, value: int = None):
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"""Sets the volume of the currently playing song."""
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state = self.voice_states.get(ctx.message.guild.id)
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if value:
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value /= 100
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if state is None or state.voice is None:
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await ctx.send("I need to be in a channel before my volume can be set")
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elif value is None:
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await ctx.send('Current volume is {:.0%}'.format(state.volume))
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elif value > 1.0:
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await ctx.send("Sorry but the max volume is 100%")
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else:
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state.volume = value
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await ctx.send('Set the volume to {:.0%}'.format(state.volume))
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@commands.command()
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@commands.guild_only()
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@utils.custom_perms(kick_members=True)
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async def pause(self, ctx):
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"""Pauses the currently played song."""
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state = self.voice_states.get(ctx.message.guild.id)
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if state and state.voice and state.voice.is_connected():
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state.voice.pause()
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@commands.command()
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@commands.guild_only()
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@utils.custom_perms(kick_members=True)
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async def resume(self, ctx):
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"""Resumes the currently played song."""
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state = self.voice_states.get(ctx.message.guild.id)
|
||
if state and state.voice and state.voice.is_connected():
|
||
state.voice.resume()
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(kick_members=True)
|
||
async def stop(self, ctx):
|
||
"""Stops playing audio and leaves the voice channel.
|
||
This also clears the queue.
|
||
"""
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
|
||
# Stop playing whatever song is playing.
|
||
if state and state.voice:
|
||
state.voice.stop()
|
||
|
||
state.songs.clear()
|
||
|
||
# This will cancel the audio event we're using to loop through the queue
|
||
# Then erase the voice_state entirely, and disconnect from the channel
|
||
await state.voice.disconnect()
|
||
try:
|
||
del self.voice_states[ctx.message.guild.id]
|
||
except KeyError:
|
||
pass
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(send_messages=True)
|
||
async def eta(self, ctx):
|
||
"""Provides an ETA on when your next song will play"""
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
author = ctx.message.author
|
||
|
||
if state is None or not state.playing:
|
||
await ctx.send('Not playing any music right now...')
|
||
return
|
||
|
||
if state.user_queue:
|
||
queue = [x.peek() for x in state.djs if x.peek()]
|
||
else:
|
||
queue = state.songs.entries
|
||
if len(queue) == 0:
|
||
await ctx.send("Nothing currently in the queue")
|
||
return
|
||
|
||
# Start off by adding the remaining length of the current song
|
||
count = state.current.remaining or 0
|
||
found = False
|
||
# Loop through the songs in the queue, until the author is found as the requester
|
||
# The found bool is used to see if we actually found the author, or we just looped through the whole queue
|
||
for song in queue:
|
||
if song.requester == author:
|
||
found = True
|
||
break
|
||
count += song.duration
|
||
|
||
if not found:
|
||
await ctx.send("You are not in the queue!")
|
||
return
|
||
await ctx.send("ETA till your next play is: {0[0]}m {0[1]}s".format(divmod(round(count, 0), 60)))
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(send_messages=True)
|
||
async def queue(self, ctx):
|
||
"""Provides a printout of the songs that are in the queue"""
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
if state is None:
|
||
await ctx.send("Nothing currently in the queue")
|
||
return
|
||
|
||
if state.user_queue:
|
||
_queue = [x.peek() for x in state.djs if x.peek()]
|
||
else:
|
||
_queue = state.songs.entries
|
||
if len(_queue) == 0:
|
||
await ctx.send("Nothing currently in the queue")
|
||
else:
|
||
self.bot.loop.create_task(self.queue_embed_task(state, ctx.message.channel, ctx.message.author))
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(send_messages=True)
|
||
async def queuelength(self, ctx):
|
||
"""Prints the length of the queue"""
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
if state is None:
|
||
await ctx.send("Nothing currently in the queue")
|
||
return
|
||
|
||
if state.user_queue:
|
||
_queue = [x.peek() for x in state.djs if x.peek()]
|
||
else:
|
||
_queue = state.songs.entries
|
||
if len(_queue) == 0:
|
||
await ctx.send("Nothing currently in the queue")
|
||
await ctx.send("There are a total of {} songs in the queue".format(len(_queue)))
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(send_messages=True)
|
||
async def skip(self, ctx):
|
||
"""Vote to skip a song. The song requester can automatically skip.
|
||
approximately 1/3 of the members in the voice channel
|
||
are required to vote to skip for the song to be skipped.
|
||
"""
|
||
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
if state is None or not state.playing or state.current is None:
|
||
await ctx.send('Not playing any music right now...')
|
||
return
|
||
|
||
# Check if the person requesting a skip is the requester of the song, if so automatically skip
|
||
voter = ctx.message.author
|
||
if voter == state.current.requester:
|
||
await ctx.send('Requester requested skipping song...')
|
||
state.skip()
|
||
# Otherwise check if the voter has already voted
|
||
elif voter.id not in state.skip_votes:
|
||
state.skip_votes.add(voter.id)
|
||
total_votes = len(state.skip_votes)
|
||
|
||
# Now check how many votes have been made, if 3 then go ahead and skip, otherwise add to the list of votes
|
||
if total_votes >= state.required_skips:
|
||
await ctx.send('Skip vote passed, skipping song...')
|
||
state.skip()
|
||
else:
|
||
await ctx.send('Skip vote added, currently at [{}/{}]'.format(total_votes, state.required_skips))
|
||
else:
|
||
await ctx.send('You have already voted to skip this song.')
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(kick_members=True)
|
||
async def modskip(self, ctx):
|
||
"""Forces a song skip, can only be used by a moderator"""
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
if state is None or not state.playing:
|
||
await ctx.send('Not playing any music right now...')
|
||
return
|
||
|
||
state.skip()
|
||
await ctx.send('Song has just been skipped.')
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(send_messages=True)
|
||
async def playing(self, ctx):
|
||
"""Shows info about the currently played song."""
|
||
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
if state is None or not state.playing or not state.current:
|
||
await ctx.send('Not playing anything.')
|
||
else:
|
||
# Create the embed object we'll use
|
||
embed = discord.Embed()
|
||
# Fill in the simple things
|
||
embed.add_field(name='Title', value=state.current.title, inline=False)
|
||
embed.add_field(name='Requester', value=state.current.requester.display_name, inline=False)
|
||
# Get the amount of current skips, and display how many have been skipped/how many required
|
||
skip_count = len(state.skip_votes)
|
||
embed.add_field(name='Skip Count', value='{}/{}'.format(skip_count, state.required_skips), inline=False)
|
||
# Get the current progress and display this
|
||
length = state.current.length
|
||
if length:
|
||
progress = state.current.progress
|
||
progress = divmod(round(progress, 0), 60)
|
||
length = divmod(round(length, 0), 60)
|
||
fmt = "{0[0]}m {0[1]}s/{1[0]}m {1[1]}s".format(progress, length)
|
||
embed.add_field(name='Progress', value=fmt, inline=False)
|
||
# And send the embed
|
||
await ctx.send(embed=embed)
|
||
|
||
@commands.command()
|
||
@commands.guild_only()
|
||
@utils.custom_perms(send_messages=True)
|
||
async def dj(self, ctx):
|
||
"""Attempts to join the current DJ queue
|
||
|
||
EXAMPLE: !dj
|
||
RESULT: You are 7th on the waitlist for the queue"""
|
||
if ctx.message.guild.id not in self.voice_states:
|
||
if not await ctx.invoke(self.join):
|
||
return
|
||
|
||
state = self.voice_states.get(ctx.message.guild.id)
|
||
if not state.user_queue:
|
||
await ctx.send("The current queue type is the song queue. "
|
||
"Use the command {}play to add a song to the queue".format(ctx.prefix))
|
||
return
|
||
|
||
if state.get_dj(ctx.message.author):
|
||
await ctx.send("You are already in the DJ queue!")
|
||
else:
|
||
new_dj = self.bot.get_cog('DJEvents').djs[ctx.message.author.id]
|
||
state.djs.append(new_dj)
|
||
try:
|
||
await ctx.send("You have joined the DJ queue; there are currently {} people ahead of you".format(
|
||
state.djs.index(new_dj)))
|
||
except discord.Forbidden:
|
||
pass
|
||
|
||
if not state.playing:
|
||
await state.play_next_song()
|
||
|
||
|
||
def setup(bot):
|
||
bot.add_cog(Music(bot))
|