Hey there! Let's get your bot's !Message command working to send a predefined message to all members of a specified role. Your existing code has a solid start, but we need to update it for modern discord.py versions and adjust it to use a preset message instead of taking user input for the message content.

First, Let's Address Outdated Code Bits #

A few things in your original snippet are deprecated in discord.py v1.0 and later:

• pass_context=True is no longer needed (context is automatically passed to commands)
• ctx.message.server should be replaced with ctx.guild
• bot.send_message() is outdated—we'll use direct member messaging methods instead

Complete Working Code #

Here's the revised code that implements your desired functionality:

from discord.ext import commands
import discord

# Define your predefined message here—easy to update anytime!
PREDEFINED_MESSAGE = "Hello! This is the preset message your bot will send to role members."

# Initialize the bot with your prefix and required intents
bot = commands.Bot(command_prefix='!', intents=discord.Intents.all())

@bot.command(name="Message")
async def send_predefined_message(ctx, role: discord.Role):
    # Track successful and failed message sends
    success_count = 0
    fail_count = 0

    # Loop through all members in the server
    for member in ctx.guild.members:
        # Check if the member has the specified role
        if role in member.roles:
            try:
                # Send the predefined message via direct message
                await member.send(PREDEFINED_MESSAGE)
                success_count += 1
            except discord.Forbidden:
                # Handle cases where the bot can't send DMs (user has DMs closed)
                fail_count += 1
                print(f"Couldn't message {member.name}—their DMs are closed.")

    # Send a summary back to the user who ran the command
    await ctx.send(f"✅ Sent preset message to {success_count} members.")
    if fail_count > 0:
        await ctx.send(f"❌ Failed to send to {fail_count} members (likely DMs disabled).")

# Run the bot with your unique token—replace this with your actual bot token!
bot.run("YOUR_BOT_TOKEN_HERE")

Key Improvements & Explanations #

• Predefined Message: We moved the message content to a top-level variable PREDEFINED_MESSAGE so you can edit it quickly without digging into command logic.
• Error Handling: The try-except block prevents the bot from crashing if it can't send a DM (e.g., a user has disabled DMs from server members) and gives you clear feedback on failures.
• Modern Syntax: Updated to use ctx.guild and member.send()—the current standard for discord.py.
• Intents: Added intents=discord.Intents.all() to ensure the bot can access member data (you'll also need to enable the Server Members Intent in your Discord Developer Portal under "Privileged Gateway Intents").
• Command Feedback: The bot sends a summary to the command runner, so they know exactly how many messages went through and how many didn't.

Important Notes #

• Make sure your bot has the Send Messages permission in the server.
• If you want to restrict who can use this command, add a check like @commands.has_permissions(administrator=True) above the command function to limit it to server admins.

内容的提问来源于stack exchange，提问作者Logicsx