Merge branch 'v2' of https://github.com/Devoxin/lavalink.py into v2

examples/music.py

@@ -249,14 +249,16 @@ async def find(self, ctx, *, query):
 
         await ctx.send(embed=embed)
 
-    @commands.is_owner()
     @commands.command(aliases=['dc'])
     async def disconnect(self, ctx):
         player = self.bot.lavalink.players.get(ctx.guild.id)
 
         if not player.is_connected:
             return await ctx.send('Not connected.')
 
+        if not ctx.author.voice or (player.is_connected and ctx.author.voice.channel.id != int(player.channel_id)):
+            return await ctx.send('You\'re not in my voicechannel!')
+
         await player.disconnect()
         await ctx.send('*⃣ | Disconnected.')
 

lavalink/PlayerManager.py

@@ -73,6 +73,13 @@ def fetch(self, key: object, default=None):
         """ Retrieves the related value from the stored user data """
         return self._user_data.get(key, default)
 
+    def delete(self, key: object):
+        """ Removes an item from the internal storage """
+        try:
+            del self._user_data[key]
+        except KeyError:
+            pass
+
     def add(self, requester: int, track: dict):
         """ Adds a track to the queue """
         self.queue.append(AudioTrack().build(track, requester))