39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
import threading
|
|
|
|
|
|
class ThreadWithLoggedException(threading.Thread):
|
|
"""
|
|
Similar to Thread but will log exceptions to passed logger.
|
|
|
|
Args:
|
|
logger: Logger instance used to log any exception in child thread
|
|
|
|
Exception is also reachable via <thread>.exception from the main thread.
|
|
"""
|
|
|
|
DIVIDER = "*"*80
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
try:
|
|
self.logger = kwargs.pop("logger")
|
|
except KeyError:
|
|
raise Exception("Missing 'logger' in kwargs")
|
|
super().__init__(*args, **kwargs)
|
|
self.exception = None
|
|
|
|
def run(self):
|
|
try:
|
|
if self._target is not None:
|
|
self._target(*self._args, **self._kwargs)
|
|
except Exception as exception:
|
|
thread = threading.current_thread()
|
|
self.exception = exception
|
|
self.logger.exception(f"{self.DIVIDER}\nException in child thread {thread}: {exception}\n{self.DIVIDER}")
|
|
finally:
|
|
del self._target, self._args, self._kwargs
|
|
|
|
|
|
class WebsocketServerThread(ThreadWithLoggedException):
|
|
"""Dummy wrapper to make debug messages a bit more readable"""
|
|
pass
|