How to Use PyNaCl for Your Discord Bot

1. What is PyNaCl?

PyNaCl is a Python library. Discord bots need it for voice features. Without it, your bot can’t join voice channels or play sounds.

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2. PyNaCl Installation

Select the “Startup” tab on the sidebar, then scroll to ‘Additional Python packages’ field. Fill the ‘Additional Python packages’ field with discord pynacl.

Follow this guide for more details: How to Add Additional Python Modules in Pterodactyl

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3. Commands

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– Join a Voice Channel

Here’s a simple command for your bot:

@bot.command()
async def join(ctx):
    if ctx.author.voice:
        channel = ctx.author.voice.channel
        await channel.connect()

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– Play a Sound

@bot.command()
async def play(ctx):
    if ctx.author.voice:
        channel = ctx.author.voice.channel
        voice = await channel.connect()
        voice.play(discord.FFmpegPCMAudio("test.mp3"))

Make sure test.mp3 is in the same folder as your bot file.

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– Disconnect

@bot.command()
async def leave(ctx):
    if ctx.voice_client:
        await ctx.voice_client.disconnect()

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– Usage

• !join → bot joins your voice channel
• !play → bot plays test.mp3
• !leave → bot disconnects

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4. Troubleshooting

• No sound → check FFmpeg is installed correctly

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