import asyncio import discord import youtube_dl from discord.ext import commands from discord.ext import tasks from pathlib import Path # Straight up copied from # https://github.com/Rapptz/discord.py/blob/master/examples/basic_voice.py # Suppress noise about console usage from errors youtube_dl.utils.bug_reports_message = lambda: '' ytdl_format_options = { 'format': 'bestaudio/best', 'outtmpl': 'downloads/%(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' # bind to ipv4 since ipv6 addresses cause issues sometimes } ffmpeg_options = { 'options': '-vn' } ytdl = youtube_dl.YoutubeDL(ytdl_format_options) class YTDLSource(discord.PCMVolumeTransformer): def __init__(self, source, *, data, volume=0.5): super().__init__(source, volume) self.data = data self.title = data.get('title') self.url = data.get('url') @classmethod async def from_url(cls, url, *, loop=None, stream=False): loop = loop or asyncio.get_event_loop() data = await loop.run_in_executor(None, lambda: ytdl.extract_info(url, download=not stream)) if 'entries' in data: # take first item from a playlist data = data['entries'][0] filename = data['url'] if stream else ytdl.prepare_filename(data) return cls(discord.FFmpegPCMAudio(filename, **ffmpeg_options), data=data) class Player(commands.Cog): def __init__(self, bot): self.bot = bot self.cleanup.start() async def is_in_vc(ctx): try: return ctx.author.voice.channel except AttributeError: return False @commands.check(is_in_vc) @commands.command() async def join(self, ctx, *, channel: discord.VoiceChannel): """Joins a voice channel""" if ctx.voice_client is not None: return await ctx.voice_client.move_to(channel) await channel.connect() @commands.command() async def play(self, ctx, *, query): """Plays a file from the local filesystem""" source = discord.PCMVolumeTransformer(discord.FFmpegPCMAudio(query)) ctx.voice_client.play(source, after=lambda e: print('Player error: %s' % e) if e else None) await ctx.send('Now playing: {}'.format(query)) @commands.command() async def yt(self, ctx, *, url): """Plays from a url (almost anything youtube_dl supports)""" async with ctx.typing(): player = await YTDLSource.from_url(url, loop=self.bot.loop) ctx.voice_client.play(player, after=lambda e: print('Player error: %s' % e) if e else None) await ctx.send('Now playing: {}'.format(player.title)) @commands.command() async def stream(self, ctx, *, url): """Streams from a url (same as yt, but doesn't predownload)""" async with ctx.typing(): player = await YTDLSource.from_url(url, loop=self.bot.loop, stream=True) ctx.voice_client.play(player, after=lambda e: print('Player error: %s' % e) if e else None) await ctx.send('Now playing: {}'.format(player.title)) @commands.check(is_in_vc) @commands.command() async def volume(self, ctx, volume: int): """Changes the player's volume""" if ctx.voice_client is None: return await ctx.send("Not connected to a voice channel.") ctx.voice_client.source.volume = volume / 100 await ctx.send("Changed volume to {}%".format(volume)) @commands.check(is_in_vc) @commands.command() async def stop(self, ctx): """Stops and disconnects the bot from voice""" await ctx.voice_client.disconnect() @play.before_invoke @yt.before_invoke @stream.before_invoke async def ensure_voice(self, ctx): if ctx.voice_client is None: if ctx.author.voice: await ctx.author.voice.channel.connect() else: await ctx.send("You are not connected to a voice channel.") raise commands.CommandError("Author not connected to a voice channel.") elif ctx.voice_client.is_playing(): ctx.voice_client.stop() @tasks.loop(hours=10.0) async def cleanup(self): for p in Path("./downloads/").glob("*"): p.unlink() def setup(bot): bot.add_cog(Player(bot))