Improvements to task processing
* Moves clean up to separate function for organization * moves the `self.dequeued.append(item)` immediately after `self.queue.get()` so that we don't wait for it to show up (cherry picked from commit bc9372e88f0c8855694431f811702d7fb899a97e)
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@ -82,16 +82,8 @@ class WorkerThread(threading.Thread):
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tasks = self.queue.to_list() + self.dequeued
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tasks = self.queue.to_list() + self.dequeued
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return sorted(tasks, key=lambda x: x.num)
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return sorted(tasks, key=lambda x: x.num)
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def cleanup_tasks(self):
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# Main thread loop starting the different tasks
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def run(self):
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main_thread = _get_main_thread()
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while main_thread.is_alive():
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item = self.queue.get()
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with self.doLock:
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with self.doLock:
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# once we hit our trigger, start cleaning up dead tasks
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if len(self.dequeued) > TASK_CLEANUP_TRIGGER:
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dead = []
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dead = []
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alive = []
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alive = []
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for x in self.dequeued:
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for x in self.dequeued:
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@ -106,9 +98,21 @@ class WorkerThread(threading.Thread):
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ret = sorted(dead, key=lambda x: x.task.end_time)[-TASK_CLEANUP_TRIGGER:] + alive
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ret = sorted(dead, key=lambda x: x.task.end_time)[-TASK_CLEANUP_TRIGGER:] + alive
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self.dequeued = sorted(ret, key=lambda x: x.num)
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self.dequeued = sorted(ret, key=lambda x: x.num)
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# Main thread loop starting the different tasks
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def run(self):
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main_thread = _get_main_thread()
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while main_thread.is_alive():
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# this blocks until something is available
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item = self.queue.get()
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with self.doLock:
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# add to list so that in-progress tasks show up
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# add to list so that in-progress tasks show up
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self.dequeued.append(item)
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self.dequeued.append(item)
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# once we hit our trigger, start cleaning up dead tasks
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if len(self.dequeued) > TASK_CLEANUP_TRIGGER:
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self.cleanup_tasks()
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# sometimes tasks (like Upload) don't actually have work to do and are created as already finished
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# sometimes tasks (like Upload) don't actually have work to do and are created as already finished
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if item.task.stat is STAT_WAITING:
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if item.task.stat is STAT_WAITING:
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# CalibreTask.start() should wrap all exceptions in it's own error handling
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# CalibreTask.start() should wrap all exceptions in it's own error handling
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