Searches your discord account for any folders with the colour #09090A and prevents users in those servers from being able to DM you if one of those servers is your only common server. This is useful for hiding away bot lists and the like

discord_prevent_dms.py

import requests

sess = requests.Session()
sess.headers.update({
    "Content-type": "application/json",
    "Authorization": "<replace your discord token here>",
})


# Define methods
def get_guilds_in_muted_folder() -> list:
    """
        Get all guilds in any folder with the hex code set to #09090A,
        which is an invisible folder in Discord's dark mode client.
    """
    req = sess.get("https://discord.com/api/v6/users/@me/settings")
    req.raise_for_status()
           
    folders = req.json()["guild_folders"]
    folders = [f for f in folders if f["color"] == 0x09090A]
    guildids = [folder["guild_ids"] for folder in folders]

    return [item for sublist in guildids for item in sublist]

def add_restricted_guilds(guilds: list):
    """
        Adds guilds to the restricted list, doesn't overwrite old ones
    """
    req = sess.get("https://discord.com/api/v6/users/@me/settings")
    req.raise_for_status()
    
    current = req.json()["restricted_guilds"]
    current += guilds
    
    req = sess.patch("https://discord.com/api/v6/users/@me/settings", json={"restricted_guilds": current})
    req.raise_for_status()


# Call methods
if __name__ == "__main__":
    in_muted_folder = get_guilds_in_muted_folder()
    add_restricted_guilds(in_muted_folder)