Get my telegram public channels.

get_tg_public_channel.py

# Get all the public channels you own.
# You need to join a group which linked to channel, and get its chat_id.
# Can not get private channels.

import asyncio
import os
from sys import executable, exit

try:
    from pyrogram.errors import ApiIdInvalid, PhoneNumberInvalid
    from pyrogram import Client
    from pyrogram import raw
    from pyrogram import types

    print("Pyrogram is successfully Imported.")
except ImportError:
    print("Installing Pyrogram...")
    os.system(f"{executable} -m pip install pyrogram")
    print("Done. Installed and imported pyrogram.")
    from pyrogram.errors import ApiIdInvalid, PhoneNumberInvalid
    from pyrogram import Client

async def main():
    API_ID = 0
    try:
        API_ID = int(input("Please enter your API ID: "))
    except ValueError:
        print("API ID must be an integer.\nQuitting...")
        exit(0)
    except Exception as e:
        raise e

    API_HASH = input("Please enter your API HASH: ")
    try:
        async with Client("tg", API_ID, API_HASH) as app:
            
            group_chat_id = int(input("Please enter a group chat id: "))

            send_as_peers = await app.invoke(
                raw.functions.channels.GetSendAs(
                    peer=await app.resolve_peer(group_chat_id)
                )
            )

            channels: list[types.Chat] = send_as_peers.chats

            print("Here are the public channels you own: "
                  )
            for index in range(len(channels)):
                print(f"[{index + 1}] {channels[index].title} (@{channels[index].username})")
                       
    except ApiIdInvalid:
        print(
            "Your API ID/API HASH combination is invalid. Kindly recheck.\nQuitting..."
        )
        exit(0)
    except ValueError:
        print("API HASH must not be empty!\nQuitting...")
        exit(0)
    except PhoneNumberInvalid:
        print("The phone number is invalid!\nQuitting...")
        exit(0)


if __name__ == "__main__":
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    loop.run_until_complete(main())