text stringlengths 0 828 |
|---|
# Arguments |
timeout (number, None): A number of seconds to wait for the result |
before raising a #Timeout exception. |
# Raises |
Timeout: If the timeout limit is exceeded. |
"""""" |
def cond(self): |
return self.__state not in (Job.PENDING, Job.RUNNING) or self.__cancelled |
if not wait_for_condition(self, cond, timeout): |
raise Job.Timeout |
return self.result" |
445,"def start(self, as_thread=True, daemon=False, __state_check=True): |
"""""" |
Starts the job. If the job was run once before, resets it completely. Can |
not be used while the job is running (raises #InvalidState). |
# Arguments |
as_thread (bool): Start the job in a separate thread. This is #True by |
default. Classes like the #ThreadPool calls this function from its own |
thread and passes #False for this argument. |
daemon (bool): If a thread is created with *as_thread* set to #True, |
defines whether the thread is started as a daemon or not. Defaults to |
#False. |
# Returns |
Job: The job object itself. |
"""""" |
if __state_check: |
# We need to manually manage the lock to be able to release it |
# pre-emptively when needed. |
with synchronized(self): |
if self.__cancelled and self.__state == Job.PENDING: |
# Cancelled in PENDING state. Do not run the target function at all. |
self.__state = Job.CANCELLED |
assert self.__exception is None |
assert self.__result is None |
self._trigger_event(Job.CANCELLED) |
return None |
if self.__state == Job.RUNNING: |
raise Job.InvalidState('job is already running') |
elif self.__state not in (Job.PENDING, Job.ERROR, Job.SUCCESS, Job.CANCELLED): |
raise RuntimeError('invalid job state {0!r}'.format(self.__state)) |
# Reset the Job attributes. |
self.__state = Job.RUNNING |
self.__cancelled = False |
self.__result = None |
self.__exception = None |
self.__event_set.clear() |
self.__thread = None |
# Remove all listeners that have been registered with the ""once"" flag. |
for listeners in self.__listeners.values(): |
listeners[:] = (l for l in listeners if not l.once) |
if as_thread: |
thread = threading.Thread(target=self.start, args=(False, False, False)) |
thread.setDaemon(daemon) |
with synchronized(self): |
assert not self.__thread or not self.__thread.running |
self.__thread = thread |
thread.start() |
return self |
try: |
result = None |
exception = None |
try: |
result = self.run() |
state = Job.SUCCESS |
except Exception: # XXX: Catch BaseException? |
if self.print_exc: |
traceback.print_exc() |
exception = Job.ExceptionInfo(*sys.exc_info()) |
state = Job.ERROR |
with synchronized(self): |
cancelled = self.__cancelled |
self.__result = result |
self.__exception = exception |
self.__state = Job.CANCELLED if cancelled else state |
self._trigger_event(state) |
finally: |
with synchronized(self): |
notify_all(self) |
if self.__dispose_inputs: |
self.__target = None |
self.__args = None |
self.__kwargs = None |
self.data = None |
for listeners in self.__listeners.values(): |
listeners[:] = [] |
return self" |
446,"def run(self): |
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