Hey there! Let's work through this problem step by step—you're closer than you think to getting this sorted.

First, Fix the Contradiction in Your Current Code #

I noticed you added no_pm=True to your !key command, which blocks users from running the command in DMs, but then you try to check if the command was sent in a DM. That’s why your DM logic isn’t working as expected—first, remove the no_pm=True parameter from your command decorator.

How to Listen for User Replies in DMs #

Discord.py has a built-in wait_for() method that lets your bot pause and wait for a specific user’s message response. This is perfect for collecting the user’s email after you send the initial prompt.

Also, note that client.get_user_info() was removed in Discord.py v1.0+. Instead, you can use bot.fetch_user(user_id) (an async method requiring await) if you need to retrieve a user by ID, but in your case, you already have access to the user via ctx.author, so you won’t need that here.

Updated Working Code #

Here’s a revised version of your code with proper DM reply handling, plus fixes for common pitfalls:

import discord
from discord.ext import commands
import datetime
import asyncio

# Initialize key array (example data)
keyArray = ["ABC123-XYZ789", "DEF456-GHI012"]

# Enable required intents (critical for message access in Discord.py v2.x+)
intents = discord.Intents.default()
intents.message_content = True

bot = commands.Bot(command_prefix='!', intents=intents)

@bot.command(name='key', help="I give you a key—just share your valid email first!")
async def key_giver(ctx):
    command_time = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
    print(f"!key command triggered at {command_time} by {ctx.author}")

    # Define a check to filter only the correct user's DM replies
    def dm_reply_check(message):
        return message.author == ctx.author and isinstance(message.channel, discord.DMChannel)

    # If command is run in a server, redirect to DM
    if not isinstance(ctx.channel, discord.DMChannel):
        await ctx.send("I've sent you a DM to collect your email!")
        initial_prompt = "Hello friend! To get your game key, please share your valid email address."
        await ctx.author.send(initial_prompt)
    # If command is run directly in DM
    else:
        initial_prompt = "Hello friend! To get your game key, please share your valid email address."
        await ctx.send(initial_prompt)

    try:
        # Wait 60 seconds for the user to reply in DM
        email_message = await bot.wait_for('message', check=dm_reply_check, timeout=60.0)
        user_email = email_message.content.strip()

        # Optional: Add email validation logic here (e.g., regex to check format)
        # For example:
        # import re
        # if not re.match(r"^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$", user_email):
        #     await ctx.author.send("That doesn't look like a valid email. Please try again!")
        #     return

        # If valid, send the key and remove it from the array
        if keyArray:
            await ctx.author.send(f"Thanks for your email! Here's your game key: {keyArray[0]}")
            keyArray.pop(0)
        else:
            await ctx.author.send("Sorry, we're out of keys right now!")

    except asyncio.TimeoutError:
        await ctx.author.send("Whoops, you took too long to respond. Run the `!key` command again when you're ready!")

# Run the bot (replace with your token)
bot.run("YOUR_BOT_TOKEN_HERE")

Key Details Explained #

• Intents: The message_content intent is required in Discord.py v2.x+ to read message content—without it, your bot won’t see the user’s email reply.
• wait_for(): This method listens for the message event, uses the dm_reply_check function to ensure only the original user’s DM replies are processed, and times out after 60 seconds (adjustable).
• Key Management: We pop the first key from keyArray after sending it to avoid duplicate key issues.

内容的提问来源于stack exchange，提问作者AON