Telethon request peer button

from telethon import TelegramClient, events, Button

from telethon.types import (
    InputKeyboardButtonRequestPeer as peer_button,

    RequestPeerTypeBroadcast as broadcast,
    RequestPeerTypeChat as group,
    RequestPeerTypeUser as user,

    UpdateNewMessage,
    MessageService,
    MessageActionRequestedPeerSentMe as action
)

bot = TelegramClient("bot", 1, "...")

@bot.on(events.NewMessage(pattern="/start"))
async def send_button(event):
    if not event.is_private: return

    button_list = [
        [
            peer_button(text="Select Channel", button_id=1, max_quantity=1, peer_type=broadcast(), username_requested=True),
            peer_button(text="Select Group", button_id=2, max_quantity=1, peer_type=group(), username_requested=True)],
        [
            peer_button(text="Select User", button_id=3, max_quantity=1, peer_type=user(bot=False), username_requested=True),
            peer_button(text="Select Bot", button_id=4, max_quantity=1, peer_type=user(bot=True), username_requested=True),
        ]
    ]
    buttons = bot.build_reply_markup(button_list)
    buttons.resize = True
    await event.respond("Pick a chat:", buttons=buttons)


chat_types = {1: "Channel", 2: "Group", 3: "User", 4: "Bot"}

def format_peer_info(p, ty):
    if hasattr(p, "user_id"):
        chat_id = p.user_id
    elif hasattr(p, "chat_id"):
        chat_id = -p.chat_id
        ty = "Small Group"
    elif hasattr(p, "channel_id"):
        if ty == "Group":
            ty = "Supergroup"
        chat_id = f"-100{p.channel_id}"

    u = getattr(p, "username", None)
    return f"You have shared a `{ty}` with ID: `{chat_id}`" + (
        f"\nUsername: @{u}" if u else ""
    )

@bot.on(events.Raw(UpdateNewMessage))
async def get_selected_chat(event):
    if not isinstance(event.message, MessageService): return
    if not isinstance(event.message.action, action): return
    msg = event.message
    bot.loop.create_task(bot.delete_messages(msg.chat_id, msg.id))


    chat = msg.action.peers[0]
    chat_type = chat_types.get(msg.action.button_id)

    await bot.send_message(
        msg.chat_id, format_peer_info(chat, chat_type), buttons=Button.clear()
    )

bot.start()
bot.run_until_disconnected()