Reaction Role (support custom emoji) with discord.py

reaction_role.py

# Note: You can use database to store values
# Only Custom emoji Supported


@bot.command()
async def rr_add(ctx, channel : discord.TextChannel, role :discord.Role,  message_id : int, emoji:discord.Emoji):
    message = await channel.fetch_message(message_id)
    await message.add_reaction(emoji)

    if emch.is_emoji(emoji):
        return await ctx.reply("Defabult Emoji Not allowed")
        #emoj = emoji

    if emch.is_emoji(emoji) == False:
        emoj = emoji.id

    data = [{
    "channel" : channel.id,
    "role": role.id,
    "message" : message_id,
    "emoji": emoj
    }]

    with open('dta.json', 'w') as f:
        json.dump(data, f)


 
@bot.event
async def on_raw_reaction_add(payload):
    if payload.member.bot:
        return 

    with open("dta.json", "r") as f:
        dta = json.load(f)
        for dt in dta:
            #print(dt)
            if payload.channel_id == dt["channel"]:
                if payload.message_id == dt["message"]:
                    if payload.emoji.id == dt["emoji"]:
                        role = discord.utils.get(bot.get_guild(payload.guild_id).roles, id=dt["role"])
                        await payload.member.add_roles(role, reason="Role added By Reaction")


@bot.event
async def on_raw_reaction_remove(payload):
    with open("dta.json", "r") as f:
        dta = json.load(f)
        for dt in dta:
            #print(dt)
            if payload.channel_id == dt["channel"]:
                if payload.message_id == dt["message"]:
                    if payload.emoji.id == dt["emoji"]:
                        role = discord.utils.get(bot.get_guild(payload.guild_id).roles, id=dt["role"])
                        guild = bot.get_guild(payload.guild_id)
                        member = await guild.fetch_member(payload.user_id)
                        await member.remove_roles(role)