Music file

musci.py

@@ -0,0 +1,227 @@
+import asyncio
+import discord
+from discord.voice_client import VoiceClient
+from discord.ext import commands
+if not discord.opus.is_loaded():
+    # the 'opus' library here is opus.dll on windows
+    # or libopus.so on linux in the current directory
+    # you should replace this with the location the
+    # opus library is located in and with the proper filename.
+    # note that on windows this DLL is automatically provided for you
+    discord.opus.load_opus('opus')
+"""I took this code from https://mega.nz/#!eopkmZrD!6vNS6xitffXDp41JcO4-kjV5gxqrTuHcirgZiN4Vj2M
+but I had to rewrite the commands from discord.py 0.16 version to discord.py 1.0.0a version .  """
+def __init__(self, bot):
+        self.bot = bot
+
+class VoiceEntry:
+    def __init__(self, message, player):
+        self.requester = message.author
+        self.channel = message.channel
+        self.player = player
+
+    def __str__(self):
+        fmt = ' {0.title} uploaded by {0.uploader} and requested by {1.display_name}'
+        duration = self.player.duration
+        if duration:
+            fmt = fmt + ' [length: {0[0]}m {0[1]}s]'.format(divmod(duration, 60))
+        return fmt.format(self.player, self.requester)
+
+class VoiceState:
+    def __init__(self, bot):
+        self.current = None
+        self.voice = None
+        self.bot = bot
+        self.play_next_song = asyncio.Event()
+        self.songs = asyncio.Queue()
+        self.skip_votes = set() # a set of user_ids that voted
+        self.audio_player = self.bot.loop.create_task(self.audio_player_task())
+
+    def is_playing(self):
+        if self.voice is None or self.current is None:
+            return False
+
+        player = self.current.player
+        return not player.is_done()
+
+    @property
+    def player(self):
+        return self.current.player
+
+    def skip(self):
+        self.skip_votes.clear()
+        if self.is_playing():
+            self.player.stop()
+
+    def toggle_next(self):
+        self.bot.loop.call_soon_threadsafe(self.play_next_song.set)
+
+    async def audio_player_task(self):
+        while True:
+            self.play_next_song.clear()
+            self.current = await self.songs.get()
+            await self.bot.send_message(self.current.channel, 'Now playing' + str(self.current))
+            self.current.player.start()
+            await self.play_next_song.wait()
+class Music:
+    """Voice related commands.
+    Works in multiple servers at once.
+    """
+    def __init__(self, bot):
+        self.bot = bot
+        self.voice_states = {}
+
+    def get_voice_state(self, server):
+        state = self.voice_states.get(server.id)
+        if state is None:
+            state = VoiceState(self.bot)
+            self.voice_states[server.id] = state
+
+        return state
+
+    async def create_voice_client(self, channel):
+        voice = await self.bot.VoiceChannel.connect(channel)
+        state = self.get_voice_state(channel.server)
+        state.voice = voice
+
+    def __unload(self):
+        for state in self.voice_states.values():
+            try:
+                state.audio_player.cancel()
+                if state.voice:
+                    self.bot.loop.create_task(state.voice.disconnect())
+            except:
+                pass
+
+    @commands.command(pass_context=True, no_pm=True)
+    async def join(self, ctx, *, channel : discord.channel):
+        """Joins a voice channel."""
+        try:
+            await self.create_voice_client(channel)
+        except discord.ClientException:
+            await self.ctx.send('Already in a voice channel...')
+        except discord.InvalidArgument:
+            await self.ctx.send('This is not a voice channel...')
+        else:
+            await self.ctx.send('Ready to play audio in **' + channel.name)
+
+    @commands.command(pass_context=True, no_pm=True)
+    async def summon(self, ctx):
+        """Summons the bot to join your voice channel."""
+        summoned_channel = ctx.message.author.voice.channel
+        if summoned_channel is None:
+            await self.ctx.send('Are you sure your in a channel?')
+            return False
+
+        state = self.get_voice_state(ctx.message.guild)
+        if state.voice is None:
+            state.voice = await self.bot.VoiceChannel.connect(summoned_channel)
+        else:
+            await state.voice.move_to(summoned_channel)
+
+        return True
+
+    @commands.command(pass_context=True, no_pm=True)
+    async def play(self, ctx, song : str):
+        """Plays a song.
+        """
+        state = self.get_voice_state(ctx.channel.guild)
+        opts = {
+            'default_search': 'auto',
+            'quiet': True,
+        }
+
+        if state.voice is None:
+            success = await ctx.invoke(self.summon)
+            await self.bot.say("Loading the song please be patient..")
+            if not success:
+                return
+
+        try:
+            player = await state.voice.create_ytdl_player(song, ytdl_options=opts, after=state.toggle_next)
+        except Exception as e:
+            fmt = 'An error occurred while processing this request: ```py\n{}: {}\n```'
+            await self.bot.send_message(ctx.message.channel, fmt.format(type(e).__name__, e))
+        else:
+            player.volume = 0.6
+            entry = VoiceEntry(ctx.message, player)
+            await self.ctx.send('Enqueued ' + str(entry))
+            await state.songs.put(entry)
+
+    @commands.command(pass_context=True, no_pm=True)
+    async def volume(self, ctx, value : int):
+        """Sets the volume of the currently playing song."""
+
+        state = self.get_voice_state(ctx.message.server)
+        if state.is_playing():
+            player = state.player
+            player.volume = value / 100
+            await self.bot.say('Set the volume to {:.0%}'.format(player.volume))
+    @commands.command(pass_context=True, no_pm=True)
+    async def resume(self, ctx):
+        """Resumes the currently played song."""
+        state = self.get_voice_state(ctx.message.guild)
+        if state.is_playing():
+            player = state.player
+            player.resume()
+
+    @commands.command(pass_context=True, no_pm=True)
+    async def stop(self, ctx):
+        """Stops playing audio and leaves the voice channel.
+        This also clears the queue.
+        """
+        server = ctx.message.guild
+        state = self.get_voice_state(server)
+
+        if state.is_playing():
+            player = state.player
+            player.stop()
+
+        try:
+            state.audio_player.cancel()
+            del self.voice_states[server.id]
+            await state.voice.disconnect()
+            await self.ctx.send("Cleared the queue and disconnected from voice channel ")
+        except:
+            pass
+
+    @commands.command(pass_context=True, no_pm=True)
+    async def skip(self, ctx):
+        """Vote to skip a song. The song requester can automatically skip.
+        3 skip votes are needed for the song to be skipped.
+        """
+
+        state = self.get_voice_state(ctx.message.guild)
+        if not state.is_playing():
+            await self.ctx.send('Not playing any music right now...')
+            return
+
+        voter = ctx.message.author
+        if voter == state.current.requester:
+            await self.ctx.send('Requester requested skipping song...')
+            state.skip()
+        elif voter.id not in state.skip_votes:
+            state.skip_votes.add(voter.id)
+            total_votes = len(state.skip_votes)
+            if total_votes >= 3:
+                await self.ctx.send('Skip vote passed, skipping song...')
+                state.skip()
+            else:
+                await self.ctx.send('Skip vote added, currently at [{}/3]'.format(total_votes))
+        else:
+            await self.ctx.send('You have already voted to skip this song.')
+
+    @commands.command(pass_context=True, no_pm=True)
+    async def playing(self, ctx):
+        """Shows info about the currently played song."""
+
+        state = self.get_voice_state(ctx.message.guild)
+        if state.current is None:
+            await self.ctx.send('Not playing anything.')
+        else:
+            skip_count = len(state.skip_votes)
+            await self.ctx.send('Now playing {} [skips: {}/3]'.format(state.current, skip_count))
+
+def setup(bot):
+    bot.add_cog(Music(bot))
+    print('Music is loaded')