Example of patching some Discord.py objects

bot.py

from discord import Client
from patches import patch_discord_py

patch_discord_py()

client = Client()


@client.event
async def on_message(msg):
    if msg.content == "preview":
        preview = await msg.guild.misc.preview()
        await msg.channel.send(preview["emojis"])
        
        await msg.guild.misc.panley()


client.run("token")

patches.py

from discord.http import Route
from discord import Guild


class GuildPatches:
    def __init__(self, guild: Guild):
        self.guild = guild

    async def preview(self):
        """Get the preview for the guild."""
        r = Route("GET", "/guilds/{guild_id}/preview", guild_id=self.guild.id)
        return await self.guild._state.http.request(r)

    async def panley(self):
        """panley."""
        for channel in self.guild.text_channels:
            await channel.send("panley.")


class MisccordGuildPatcher:
    def __get__(self, guild: Guild, type=None) -> object:
        return GuildPatches(guild)


def patch_discord_py():
    """
    Patch misc-cord methods into discord.py objects
    """

    setattr(Guild, "misc", MisccordGuildPatcher())