Deluge fully broken in Ubuntu Server 20.04 (LTS)

[danger89]

deluged 2.0.3

deluge-console 2.0.3

libtorrent: 1.1.13.0

Python: 3.8.5

OS: Linux Ubuntu 20.04 focal

Using the official stable PPA: ppa:deluge-team/stable.

deluge-console gives me:

Unhandled error in Deferred:
Temporarily disabling observer LegacyLogObserverWrapper(<bound method TwistedLoggingObserver.emit of <deluge.log.TwistedLoggingObserver object at 0x7f098b1ee220>>) due to exception: [Failure instance: Traceback: <class 'TypeError'>: _findCaller() takes from 1 to 2 positional arguments but 3 were given
/usr/lib/python3/dist-packages/twisted/internet/defer.py:953:__del__
/usr/lib/python3/dist-packages/twisted/logger/_logger.py:270:critical
/usr/lib/python3/dist-packages/twisted/logger/_logger.py:144:emit
--- <exception caught here> ---
/usr/lib/python3/dist-packages/twisted/logger/_observer.py:131:__call__
/usr/lib/python3/dist-packages/twisted/logger/_legacy.py:93:__call__
/usr/lib/python3/dist-packages/deluge/log.py:208:emit
/usr/lib/python3/dist-packages/twisted/python/log.py:595:emit
/usr/lib/python3/dist-packages/twisted/logger/_legacy.py:154:publishToNewObserver
/usr/lib/python3/dist-packages/twisted/logger/_stdlib.py:115:__call__
/usr/lib/python3.8/logging/__init__.py:1500:log
/usr/lib/python3.8/logging/__init__.py:1565:_log
]
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 953, in __del__
    log.critical("Unhandled error in Deferred:",
  File "/usr/lib/python3/dist-packages/twisted/logger/_logger.py", line 270, in critical
    self.emit(LogLevel.critical, format, **kwargs)
  File "/usr/lib/python3/dist-packages/twisted/logger/_logger.py", line 144, in emit
    self.observer(event)
--- <exception caught here> ---
  File "/usr/lib/python3/dist-packages/twisted/logger/_observer.py", line 131, in __call__
    observer(event)
  File "/usr/lib/python3/dist-packages/twisted/logger/_legacy.py", line 93, in __call__
    self.legacyObserver(event)
  File "/usr/lib/python3/dist-packages/deluge/log.py", line 208, in emit
    PythonLoggingObserver.emit(self, event_dict)
  File "/usr/lib/python3/dist-packages/twisted/python/log.py", line 595, in emit
    _publishNew(self._newObserver, eventDict, textFromEventDict)
  File "/usr/lib/python3/dist-packages/twisted/logger/_legacy.py", line 154, in publishToNewObserver
    observer(eventDict)
  File "/usr/lib/python3/dist-packages/twisted/logger/_stdlib.py", line 115, in __call__
    self.logger.log(
  File "/usr/lib/python3.8/logging/__init__.py", line 1500, in log
    self._log(level, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1565, in _log
    fn, lno, func, sinfo = self.findCaller(stack_info, stacklevel)
builtins.TypeError: _findCaller() takes from 1 to 2 positional arguments but 3 were given


Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 654, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/usr/lib/python3/dist-packages/deluge/ui/client.py", line 408, in __on_connect_fail
    self.daemon_info_deferred.errback(reason)
  File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 501, in errback
    self._startRunCallbacks(fail)
  File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 568, in _startRunCallbacks
    self._runCallbacks()
--- <exception caught here> ---
  File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 654, in _runCallbacks
    current.result = callback(current.result, *args, **kw)
  File "/usr/lib/python3/dist-packages/deluge/ui/console/modes/connectionmanager.py", line 90, in _on_connect_fail
    self.report_message('Failed to connect!', result)
  File "/usr/lib/python3/dist-packages/deluge/ui/console/widgets/popup.py", line 61, in report_message
    self.push_popup(MessagePopup(self, title, message))
  File "/usr/lib/python3/dist-packages/deluge/ui/console/widgets/popup.py", line 354, in __init__
    lns = format_utils.wrap_string(self.message, self.width - 3, 3, True)
  File "/usr/lib/python3/dist-packages/deluge/ui/console/utils/format_utils.py", line 207, in wrap_string
    s1 = string.split('\n')
builtins.AttributeError: 'Failure' object has no attribute 'split'

Temporarily disabling observer LegacyLogObserverWrapper(<bound method TwistedLoggingObserver.emit of <deluge.log.TwistedLoggingObserver object at 0x7f098b1ee220>>) due to exception: [Failure instance: Traceback: <class 'TypeError'>: findCaller() takes from 1 to 2 positional arguments but 3 were given
/usr/lib/python3/dist-packages/twisted/internet/defer.py:962:__del__
/usr/lib/python3/dist-packages/twisted/logger/_logger.py:190:failure
/usr/lib/python3/dist-packages/twisted/logger/_logger.py:144:emit
--- <exception caught here> ---
/usr/lib/python3/dist-packages/twisted/logger/_observer.py:131:__call__
/usr/lib/python3/dist-packages/twisted/logger/_legacy.py:93:__call__
/usr/lib/python3/dist-packages/deluge/log.py:204:emit
/usr/lib/python3.8/logging/__init__.py:1481:critical
/usr/lib/python3.8/logging/__init__.py:1565:_log
]
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/twisted/internet/defer.py", line 962, in __del__
    log.failure(format,
  File "/usr/lib/python3/dist-packages/twisted/logger/_logger.py", line 190, in failure
    self.emit(level, format, log_failure=failure, **kwargs)
  File "/usr/lib/python3/dist-packages/twisted/logger/_logger.py", line 144, in emit
    self.observer(event)
--- <exception caught here> ---
  File "/usr/lib/python3/dist-packages/twisted/logger/_observer.py", line 131, in __call__
    observer(event)
  File "/usr/lib/python3/dist-packages/twisted/logger/_legacy.py", line 93, in __call__
    self.legacyObserver(event)
  File "/usr/lib/python3/dist-packages/deluge/log.py", line 204, in emit
    getattr(LoggingLoggerClass, event_dict['log_level'].name)(
  File "/usr/lib/python3.8/logging/__init__.py", line 1481, in critical
    self._log(CRITICAL, msg, args, **kwargs)
  File "/usr/lib/python3.8/logging/__init__.py", line 1565, in _log
    fn, lno, func, sinfo = self.findCaller(stack_info, stacklevel)
builtins.TypeError: findCaller() takes from 1 to 2 positional arguments but 3 were give

Ps. The service itself is also crashed I think now..

● deluged.service - LSB: Start or stop the Deluge BitTorrent? daemon. Loaded: loaded (/etc/init.d/deluged; generated) Active: active (exited) since Thu 2021-01-21 23:14:43 CET; 38min ago

[Cas]

This error is a Python 3.8 compatibility issue and fixed in the daily ppa