text
stringlengths 0
828
|
|---|
else:
|
raise RuntimeError('invalid job state {0!r}'.format(self.__state))"
|
439,"def finished(self):
|
""""""
|
True if the job run and finished. There is no difference if the job
|
finished successfully or errored.
|
""""""
|
return self.__state in (Job.ERROR, Job.SUCCESS, Job.CANCELLED)"
|
440,"def get(self, default=None):
|
""""""
|
Get the result of the Job, or return *default* if the job is not finished
|
or errored. This function will never explicitly raise an exception. Note
|
that the *default* value is also returned if the job was cancelled.
|
# Arguments
|
default (any): The value to return when the result can not be obtained.
|
""""""
|
if not self.__cancelled and self.__state == Job.SUCCESS:
|
return self.__result
|
else:
|
return default"
|
441,"def cancel(self):
|
""""""
|
Cancels the job. Functions should check the #Job.cancelled flag from time
|
to time to be able to abort pre-emptively if the job was cancelled instead
|
of running forever.
|
""""""
|
with synchronized(self):
|
cancelled = self.__cancelled
|
if not cancelled:
|
self.__cancelled = True
|
notify_all(self)
|
if not cancelled:
|
self._trigger_event(Job.CANCELLED)"
|
442,"def _trigger_event(self, event):
|
""""""
|
Private. Triggers and event and removes all one-off listeners for that event.
|
""""""
|
if event is None or event not in self.__listeners:
|
raise ValueError('invalid event type: {0!r}'.format(event))
|
# Check the event has not already been triggered, then mark
|
# the event as triggered.
|
if event in self.__event_set:
|
raise RuntimeError('event already triggered: {0!r}'.format(event))
|
self.__event_set.add(event)
|
listeners = self.__listeners[event] + self.__listeners[None]
|
# Remove one-off listeners.
|
self.__listeners[event][:] = (l for l in self.__listeners[event] if not l.once)
|
self.__listeners[None][:] = (l for l in self.__listeners[None] if not l.once)
|
for listener in listeners:
|
# XXX: What to do on exceptions? Catch and make sure all listeners
|
# run through? What to do with the exception(s) then?
|
listener.callback(self, event)"
|
443,"def add_listener(self, event, callback, once=False):
|
""""""
|
Register a *callback* for the specified *event*. The function will be
|
called with the #Job as its first argument. If *once* is #True, the
|
listener will be removed after it has been invoked once or when the
|
job is re-started.
|
Note that if the event already ocurred, *callback* will be called
|
immediately!
|
# Arguments
|
event (str, list of str): The name or multiple names of an event, or None
|
to register the callback to be called for any event.
|
callback (callable): A function.
|
once (bool): Whether the callback is valid only once.
|
""""""
|
if not callable(callback):
|
raise TypeError('callback must be callable')
|
if isinstance(event, str):
|
event = [event]
|
for evn in event:
|
if evn not in self.__listeners:
|
raise ValueError('invalid event type: {0!r}'.format(evn))
|
for evn in event:
|
event_passed = False
|
with synchronized(self):
|
event_passed = (evn in self.__event_set)
|
if not (once and event_passed):
|
self.__listeners[evn].append(Job._Listener(callback, once))
|
# If the event already happened, we'll invoke the callback
|
# immediately to make up for what it missed.
|
if event_passed:
|
callback(self, event)"
|
444,"def wait(self, timeout=None):
|
""""""
|
Waits for the job to finish and returns the result.
|
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.