foo.log

main function encountered error
Traceback (most recent call last):
  File "foo.py", line 24, in <module>
    task.react(runner)
  File "/home/cdunklau/Development/myproject/venv/lib/python2.6/site-packages/twisted/internet/task.py", line 882, in react
    finished = main(_reactor, *argv)
  File "foo.py", line 21, in runner
    return defer.execute(blowup)
--- <exception caught here> ---
  File "/home/cdunklau/Development/myproject/venv/lib/python2.6/site-packages/twisted/internet/defer.py", line 121, in execute
    result = callable(*args, **kw)
  File "foo.py", line 16, in blowup
    1 / 0
exceptions.ZeroDivisionError: integer division or modulo by zero

Main loop terminated.

foo.py

import sys
import logging

from twisted.python import log as twistedLog
from twisted.internet import task, defer


def startLogging(logfile):
    observer = twistedLog.PythonLoggingObserver()
    observer.start()
    logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)
    logging.getLogger().addHandler(logging.FileHandler(logfile))


def blowup():
    1 / 0


def runner(reactor):
    startLogging('foo.log')
    return defer.execute(blowup)


task.react(runner)

foo.stderr

main function encountered error
Traceback (most recent call last):
  File "foo.py", line 24, in <module>
    task.react(runner)
  File "/home/cdunklau/Development/myproject/venv/lib/python2.6/site-packages/twisted/internet/task.py", line 882, in react
    finished = main(_reactor, *argv)
  File "foo.py", line 21, in runner
    return defer.execute(blowup)
--- <exception caught here> ---
  File "/home/cdunklau/Development/myproject/venv/lib/python2.6/site-packages/twisted/internet/defer.py", line 121, in execute
    result = callable(*args, **kw)
  File "foo.py", line 16, in blowup
    1 / 0
exceptions.ZeroDivisionError: integer division or modulo by zero

CRITICAL:twisted:main function encountered error
Traceback (most recent call last):
  File "foo.py", line 24, in <module>
    task.react(runner)
  File "/home/cdunklau/Development/myproject/venv/lib/python2.6/site-packages/twisted/internet/task.py", line 882, in react
    finished = main(_reactor, *argv)
  File "foo.py", line 21, in runner
    return defer.execute(blowup)
--- <exception caught here> ---
  File "/home/cdunklau/Development/myproject/venv/lib/python2.6/site-packages/twisted/internet/defer.py", line 121, in execute
    result = callable(*args, **kw)
  File "foo.py", line 16, in blowup
    1 / 0
exceptions.ZeroDivisionError: integer division or modulo by zero

INFO:twisted:Main loop terminated.