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Mise à disposition des fichiers
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Cependant, il est possible et facile d’autoriser les visiteurs à avoir accès à ces documents et ce sous différentes formes.
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Need help to create a queue system with a discord.py bot
19 août 2024, par Zamvim trying to create a bot with discord.py, i'll start saying that the bot is for personal use so please don't point out that i shouldn't use ydl in the comments, ty :
Also, im a beginner, so please tell me what I can improve and any errors there are, I will be happy to listen.
That said, i've been stuck on trying to create this queue system for songs for the past 3 days, the bot was working perfectly fine and played some urls before i implemented the play_next function, now it doesn't even play the first song, even if it sends confirmation messages both in the terminal that in the discord channel, i know that the code might be a little confusing, but please i really need to know how to make this work


i wrote two main functions : "play_next" to play the next song in the queue and "play", the main command.
Here is my play_next function :


async def play_next(self,ctx):
 if not ctx.voice_client.is_playing: #(don't know if this is correct as I also check if the bot isn't playing anything in the play function)
 
 if self.song.queue: 
 next_song = self.song_queue.pop(0) #deleting the first element of the queue, so if we have (song_0, song_1 and song_2) the bot should delete (song_0) making in fact song_1 the "next" song_0
 try:
 ctx.voice_client.play(discord.FFmpegPCMAudio(next_song), 
 after=lambda e: self.bot.loop.create_task(self.play_next(ctx))) #Not gonna lie here, i asked chat gpt for this line, it should make the bot automatically play the next song one after another, correct me if I am wrong

#this is not important
 embed = discord.Embed(
 title="Song",
 description=f"Now playing {next_song}",
 color = 0x1DB954
 )
 await ctx.send(embed=embed)
 except Exception as e:
 print(f"Error playing the next song: {e}")

 else:
 await ctx.voice_client.disconnect() # disconnecting from the voice channel if the queue is empty
 print("Disconnected from the voice channel as the queue is empty.")



I think that the main problem of my bot is the play_next function, but here it is my "play" function :


@commands.command(pass_context=True)
 async def play(self, ctx, url: str): 
 if ctx.author.voice: # first checking if the user is in a voice channel
 if not ctx.voice_client: #then checking if the bot is already connected to a voice channel
 channel = ctx.message.author.voice.channel 
 try:
 await channel.connect() #then joining
 print("I joined the voice channel!")
 except Exception as e:
 print(f"Failed to connect to the voice channel: {e}")
 return

 song_path = f"song_{self.song_index}.mp3" #note, im using cogs, i declared self.song_index with the value of 0 
 self.song_index += 1 #i thought that this was the easiest way of creating a new file for each song

 ydl_opts = {
 'format': 'bestaudio/best',
 'postprocesors': [{
 'key': 'FFmpegExtractAudio',
 'preferredcodec': 'mp3',
 'preferredquality': '192',
 }],
 'outtmpl': song_path
 }
 try:
 with youtube_dl.YoutubeDL(ydl_opts) as ydl:
 print("Starting download...")
 ydl.download([url]) #this is where it should download the song provided by the url
 print("Download finished.")
 except Exception as e:
 await ctx.send(f"Failed to download the song: {e}")
 return

#i think that the next two if statements are the main threats
 if os.path.exists(song_path): #if there is atleast 1 song in the queue
 self.song_queue.append(song_path) #append the next one
 embed = discord.Embed(
 title="Added to Queue!",
 description = f"{url} has been added to the queue.",
 color=0x33ff33
 )
 await ctx.send(embed=embed)


 if not ctx.voice_client.is_playing(): #checking if the bot is already playing something, don't know if i should put this if statement here
 print("Starting playback...")
 await self.play_next(ctx) #if nothing is playing, then the bot should play the next song



 else:
 await ctx.send("Failed to download or find the audio file.")

 else:
 embed = discord.Embed(
 title="❌You must be in a voice channel",
 color=0xff6666
 )
 await ctx.send(embed=embed)



thanks in advance, i will try to read and answer any questions as soon as possible