如何通过消息ID编辑并重设计Discord旧嵌入消息

To edit an existing embed using its message ID, you’ll need to fetch the message from its channel first, then modify it just like you would with a message you sent directly. Here’s a step-by-step breakdown:

Step 1: Get the Channel Object #

First, reference the channel where the target message lives. You can do this in two common ways:

• If you know the channel’s numeric ID: Use await bot.fetch_channel(CHANNEL_ID) (replace CHANNEL_ID with the actual ID)
• If you’re running this in a command context and targeting the same channel: Use ctx.channel directly

Step 2: Fetch the Target Message #

Once you have the channel, retrieve the message using its ID with await channel.fetch_message(MESSAGE_ID). Be sure to handle cases where the message might not exist or your bot lacks access permissions.

Step 3: Create Your Updated Embed #

Design your new embed with modified content, color, fields, etc. For example:

import discord

new_embed = discord.Embed(
    title="Redesigned Embed Title",
    description="Fresh, updated content for your embed",
    color=discord.Color.purple()  # Swap this for your desired color
)
# Add extra fields, footers, or media as needed
new_embed.add_field(name="Updated Section", value="New details to display here")
new_embed.set_footer(text="Revised on: 2024-05-20")

Step 4: Edit the Fetched Message #

Call the edit() method on the fetched message, passing your new embed. Wrap this in a try-except block to catch common errors:

try:
    # Replace placeholders with actual channel and message IDs
    channel = await bot.fetch_channel(123456789012345678)
    target_message = await channel.fetch_message(987654321098765432)
    await target_message.edit(embed=new_embed)
    print("Embed updated successfully!")
except discord.NotFound:
    print("Error: The channel or message doesn't exist.")
except discord.Forbidden:
    print("Error: Bot lacks permission to edit the message or access the channel.")
except Exception as e:
    print(f"Unexpected error occurred: {str(e)}")

Key Notes: #

• Permissions: Your bot needs Manage Messages to edit messages and Read Message History to fetch old messages in the target channel.
• Message ID Format: Ensure the message ID is a valid integer (or string, if using newer Discord.py versions that support string IDs).
• Preserving/Removing Text: If the original message had text content, edit(embed=new_embed) will keep that text. To clear it, add content="" to the edit call.

Content of the question originates from Stack Exchange, question author krispyX