[Python] Tlethon RPCError 406: UPDATE_APP_TO_LOGIN When try to run Python script on Raspberry...

import asyncio
from telethon import TelegramClient, events
from telethon.errors import SessionPasswordNeededError
import logging
import json
import requests
import os
from urllib.parse import unquote
from pathlib import Path

logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
logger = logging.getLogger(__name__)

class TelegramDownloader:
def __init__(self, api_id, api_hash, phone_number):
self.api_id = api_id
self.api_hash = api_hash
self.phone_number = phone_number
self.client = TelegramClient(f'session_{phone_number}', api_id, api_hash)
self.download_queue = asyncio.Queue()
self.download_path = "/media/pi/MRX/Download"
self.is_downloading = False

async def connect(self):
await self.client.start()
if not await self.client.is_user_authorized():
try:
await self.client.send_code_request(self.phone_number)
code = input('Enter the code: ')
await self.client.sign_in(self.phone_number, code)
except SessionPasswordNeededError:
password = input('Two-step verification is enabled. Please enter your password: ')
await self.client.sign_in(password=password)

async def download_file(self, url, event):
try:
filename = unquote(url.split('/')[-1].split('?')[0])
filepath = os.path.join(self.download_path, filename)

await event.respond(f"⬇️ Downloading: {filename}")

response = requests.get(url, stream=True)
total_size = int(response.headers.get('content-length', 0))

with open(filepath, 'wb') as f:
for chunk in response.iter_content(chunk_size=8192):
if chunk:
f.write(chunk)

await event.respond(f"✅ Download completed: {filename}")
logger.info(f"Downloaded {filename}")

except Exception as e:
await event.respond(f"❌ Download failed: {filename}\nError: {str(e)}")
logger.error(f"Error downloading {filename}: {str(e)}")

async def process_download_queue(self):
while True:
url, event = await self.download_queue.get()
self.is_downloading = True
await self.download_file(url, event)
self.is_downloading = False
self.download_queue.task_done()

async def monitor_channel(self, channel_id):
await self.connect()

# Start download queue processor
asyncio.create_task(self.process_download_queue())

@self.client.on(events.NewMessage(chats=[channel_id]))
async def handler(event):
try:
message = event.message.text
if message and "example.com" in message:
# Add download to queue
await self.download_queue.put((message, event))
if not self.is_downloading:
logger.info("Download added to queue")
else:
await event.respond("⏳ Download queued - will start after current download completes")

except Exception as e:
logger.error(f"Error processing message: {str(e)}")

logger.info(f"Started monitoring channel {channel_id} for download links")
await self.client.run_until_disconnected()

def read_credentials():
try:
with open("credentials.json", "r") as file:
creds = json.load(file)
return creds["api_id"], creds["api_hash"], creds["phone_number"]
except FileNotFoundError:
logger.error("Credentials file not found.")
return None, None, None

def write_credentials(api_id, api_hash, phone_number):
creds = {
"api_id": api_id,
"api_hash": api_hash,
"phone_number": phone_number
}
with open("credentials.json", "w") as file:
json.dump(creds, file, indent=4)

async def main():
api_id, api_hash, phone_number = read_credentials()
if api_id is None or api_hash is None or phone_number is None:
api_id = input("Enter your API ID: ")
api_hash = input("Enter your API Hash: ")
phone_number = input("Enter your phone number: ")
write_credentials(api_id, api_hash, phone_number)

downloader = TelegramDownloader(api_id, api_hash, phone_number)

# Create download directory if it doesn't exist
os.makedirs(downloader.download_path, exist_ok=True)

# Monitor the specific group
group_id = "https://t.me/+IgOxAHTrv8UzMGU9"
await downloader.monitor_channel(group_id)

if __name__ == "__main__":
asyncio.run(main())


When i run the above code on my raspberry pi1 b+, bookworm OS i got the following error. My telethon is latest one. I am using a sliest changed on on my oracle server and it is working fine for months. What should i do to fix this

pi@raspberrypi:~/telegram_forwarder $ sudo python3 linkdownloader.py 2025-02-04 23:02:03,276 - telethon.network.mtprotosender - INFO - Connecting to 149.154.167.51:443/TcpFull... 2025-02-04 23:02:08,398 - telethon.network.mtprotosender - INFO - Connection to 149.154.167.51:443/TcpFull complete! Please enter your phone (or bot token): ********** 2025-02-04 23:03:21,912 - telethon.client.users

• INFO - Phone migrated to 5 2025-02-04 23:03:22,181 - telethon.client.telegrambaseclient - INFO - Reconnecting to new data center 5 2025-02-04 23:03:22,494 - telethon.network.mtprotosender - INFO - Disconnecting from 149.154.167.51:443/TcpFull... 2025-02-04 23:03:22,508 - telethon.network.mtprotosender - INFO - Disconnection from 149.154.167.51:443/TcpFull complete! 2025-02-04 23:03:22,518 - telethon.network.mtprotosender - INFO - Connecting to 91.108.56.128:443/TcpFull... 2025-02-04 23:03:26,847 - telethon.network.mtprotosender - INFO - Connection to 91.108.56.128:443/TcpFull complete! Traceback (most recent call last): File "/home/pi/telegram_forwarder/linkdownloader.py", line 125, in asyncio.run(main()) File "/usr/lib/python3.11/asyncio/runners.py", line 190, in run return runner.run(main) ^^^^^^^^^^^^^^^^ File "/usr/lib/python3.11/asyncio/runners.py", line 118, in run return self._loop.run_until_complete(task) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3.11/asyncio/base_events.py", line 653, in run_until_complete return future.result() ^^^^^^^^^^^^^^^ File "/home/pi/telegram_forwarder/linkdownloader.py", line 122, in main await downloader.monitor_channel(group_id) File "/home/pi/telegram_forwarder/linkdownloader.py", line 66, in monitor_channel await self.connect() File "/home/pi/telegram_forwarder/linkdownloader.py", line 25, in connect await self.client.start() File "/usr/lib/python3/dist-packages/telethon/client/auth.py", line 190, in _start await self.send_code_request(phone, force_sms=force_sms) File "/usr/lib/python3/dist-packages/telethon/client/auth.py", line 519, in send_code_request result = await self(functions.auth.SendCodeRequest( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3/dist-packages/telethon/client/users.py", line 30, in call return await self._call(self._sender, request, ordered=ordered) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/usr/lib/python3/dist-packages/telethon/client/users.py", line 84, in _call result = await future ^^^^^^^^^^^^ telethon.errors.rpcbaseerrors.AuthKeyError: RPCError 406: UPDATE_APP_TO_LOGIN (caused by SendCodeRequest) pi@raspberrypi:~/telegram_forwarder $

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