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LonamiWebs / Telethon

Pure Python 3 MTProto API Telegram client library, for bots too!
https://docs.telethon.dev
MIT License
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App crashes telethon.errors.common.TypeNotFoundError: #4123

Closed melardev closed 1 year ago

melardev commented 1 year ago

Code that causes the issue

Hi, I am having an error listening to some telegram messages.

telethon.errors.common.TypeNotFoundError: Could not find a matching Constructor ID for the TLObject that was supposed to be read with ID b156fe9c.

It crashes the whole app. I have seen others reported this bug past years, telethon version used is latest.

The code is standard, I can not show it all as it has some private things including private channels:

# ...
client = TelegramClient(StringSession(".........."), api_id, api_hash).start()
@client.on(
    events.NewMessage(
        chats=[
            PeerChannel(updates1_ch_id),
        ]))
async def my_event_handler(event: telethon.events.NewMessage.Event):
  # ....
  pass

Expected behavior

Work without error

Actual behavior

App crash

Traceback

Fatal error handling updates (this is a bug in Telethon v1.28.5, please report it)
Traceback (most recent call last):
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/updates.py", line 340, in _update_loop
    diff = await self(get_diff)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/users.py", line 30, in __call__
    return await self._call(self._sender, request, ordered=ordered)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/users.py", line 83, in _call
    result = await future
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/network/mtprotosender.py", line 640, in _handle_rpc_result
    result = state.request.read_result(reader)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/tlobject.py", line 219, in read_result
    return reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 142, in tgread_object
    return clazz.from_reader(self)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/types/updates.py", line 66, in from_reader
    _x = reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 142, in tgread_object
    return clazz.from_reader(self)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/types/__init__.py", line 16227, in from_reader
    _reactions = reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 142, in tgread_object
    return clazz.from_reader(self)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/types/__init__.py", line 18959, in from_reader
    _x = reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 140, in tgread_object
    raise error
telethon.errors.common.TypeNotFoundError: Could not find a matching Constructor ID for the TLObject that was supposed to be read with I

Telethon version

1.28.5

Python version

3.10.6

Operating system

Linux

Other details

No response

Checklist

Lonami commented 1 year ago

Your log does not match with the current line numbers in the development version, so I suspect you did not actually complete this step:

I ran pip install -U https://github.com/LonamiWebs/Telethon/archive/v1.zip and triggered the bug in the latest version.

Because this should've been fixed by https://github.com/LonamiWebs/Telethon/commit/2889bd5bf36a792e0de696b3f7794ba7ba16cfe5.

melardev commented 1 year ago

Hi. I actually ran it yesterday, and today to be sure, I first uninstalled telethon:

pip3 uninstall telethon

Then installed it with:

pip install -U https://github.com/LonamiWebs/Telethon/archive/v1.zip

I still see the error:

telethon.errors.common.TypeNotFoundError: Could not find a matching Constructor ID for the TLObject that was supposed to be read with ID b156fe9c. See the FAQ for more details. Remaining bytes:

Stack trace (Just first exception, there are other exceptions that were triggered as a consequence but did not show them here):

--- Logging error ---
Traceback (most recent call last):
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/updates.py", line 347, in _update_loop
    diff = await self(get_diff)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/users.py", line 30, in __call__
    return await self._call(self._sender, request, ordered=ordered)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/users.py", line 87, in _call
    result = await future
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/network/mtprotosender.py", line 639, in _handle_rpc_result
    result = state.request.read_result(reader)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/tlobject.py", line 219, in read_result
    return reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 142, in tgread_object
    return clazz.from_reader(self)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/types/updates.py", line 72, in from_reader
    _x = reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 142, in tgread_object
    return clazz.from_reader(self)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/types/__init__.py", line 30321, in from_reader
    _message = reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 142, in tgread_object
    return clazz.from_reader(self)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/types/__init__.py", line 16403, in from_reader
    _reactions = reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 142, in tgread_object
    return clazz.from_reader(self)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/tl/types/__init__.py", line 19209, in from_reader
    _x = reader.tgread_object()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/extensions/binaryreader.py", line 140, in tgread_object
    raise error

Scrolling to the top, seems there are multiple similar exceptions but from different messages ( I can spot some ascii in the binari data and it belongs to different messages/channels), all error messages same except:

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.10/logging/__init__.py", line 1100, in emit
    msg = self.format(record)
  File "/usr/lib/python3.10/logging/__init__.py", line 943, in format
    return fmt.format(record)
  File "/usr/lib/python3.10/logging/__init__.py", line 678, in format
    record.message = record.getMessage()
  File "/usr/lib/python3.10/logging/__init__.py", line 368, in getMessage
    msg = msg % self.args
TypeError: not all arguments converted during string formatting
Call stack:
  File "/home/laro/.local/share/JetBrains/Toolbox/apps/PyCharm-P/ch-0/231.9011.38/plugins/python/helpers/pydev/pydevd.py", line 2195, in <module>
    main()
  File "/home/laro/.local/share/JetBrains/Toolbox/apps/PyCharm-P/ch-0/231.9011.38/plugins/python/helpers/pydev/pydevd.py", line 2177, in main
    globals = debugger.run(setup['file'], None, None, is_module)
  File "/home/laro/.local/share/JetBrains/Toolbox/apps/PyCharm-P/ch-0/231.9011.38/plugins/python/helpers/pydev/pydevd.py", line 1489, in run
    return self._exec(is_module, entry_point_fn, module_name, file, globals, locals)
  File "/home/laro/.local/share/JetBrains/Toolbox/apps/PyCharm-P/ch-0/231.9011.38/plugins/python/helpers/pydev/pydevd.py", line 1496, in _exec
    pydev_imports.execfile(file, globals, locals)  # execute the script
  File "/home/laro/.local/share/JetBrains/Toolbox/apps/PyCharm-P/ch-0/231.9011.38/plugins/python/helpers/pydev/_pydev_imps/_pydev_execfile.py", line 18, in execfile
    exec(compile(contents+"\n", file, 'exec'), glob, loc)
  File "/home/laro/Desktop/workspace/python/update-monitor/monitor_calls.py", line 313, in <module>
    client.run_until_disconnected()
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/updates.py", line 95, in run_until_disconnected
    return self.loop.run_until_complete(self._run_until_disconnected())
  File "/usr/lib/python3.10/asyncio/base_events.py", line 633, in run_until_complete
    self.run_forever()
  File "/usr/lib/python3.10/asyncio/base_events.py", line 600, in run_forever
    self._run_once()
  File "/usr/lib/python3.10/asyncio/base_events.py", line 1896, in _run_once
    handle._run()
  File "/usr/lib/python3.10/asyncio/events.py", line 80, in _run
    self._context.run(self._callback, *self._args)
  File "/home/laro/Desktop/workspace/python/update-monitor/venv/lib/python3.10/site-packages/telethon/client/updates.py", line 365, in _update_loop
    self._log[__name__].warning(
Message: 'Cannot get difference since the account is likely misusing the session: %s'
Arguments: (1728102358, TypeNotFoundError('Could not find a matching Constructor ID for the TLObject that was supposed to be read with ID b156fe9c.
Lonami commented 1 year ago

TypeError: not all arguments converted during string formatting

That is a bug which https://github.com/LonamiWebs/Telethon/commit/c3bddf9440ab4273c89ef474f79022064b8d1a83 should fix.

telethon.errors.common.TypeNotFoundError: Could not find a matching Constructor ID for the TLObject that was supposed to be read with ID b156fe9c. See the FAQ for more details.

This is now working as intended. Before, the library would swallow the error and crash. Now it's propagated and you can handle it and do whatever is best. And as mentioned, the FAQ contains some additional information.