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55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
5 years ago
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from abc import abstractmethod
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import concurrent.futures
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from apscheduler.executors.base import BaseExecutor, run_job
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class BasePoolExecutor(BaseExecutor):
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@abstractmethod
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def __init__(self, pool):
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super(BasePoolExecutor, self).__init__()
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self._pool = pool
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def _do_submit_job(self, job, run_times):
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def callback(f):
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exc, tb = (f.exception_info() if hasattr(f, 'exception_info') else
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(f.exception(), getattr(f.exception(), '__traceback__', None)))
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if exc:
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self._run_job_error(job.id, exc, tb)
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else:
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self._run_job_success(job.id, f.result())
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f = self._pool.submit(run_job, job, job._jobstore_alias, run_times, self._logger.name)
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f.add_done_callback(callback)
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def shutdown(self, wait=True):
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self._pool.shutdown(wait)
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class ThreadPoolExecutor(BasePoolExecutor):
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"""
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An executor that runs jobs in a concurrent.futures thread pool.
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Plugin alias: ``threadpool``
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:param max_workers: the maximum number of spawned threads.
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"""
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def __init__(self, max_workers=10):
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pool = concurrent.futures.ThreadPoolExecutor(int(max_workers))
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super(ThreadPoolExecutor, self).__init__(pool)
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class ProcessPoolExecutor(BasePoolExecutor):
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"""
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An executor that runs jobs in a concurrent.futures process pool.
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Plugin alias: ``processpool``
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:param max_workers: the maximum number of spawned processes.
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"""
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def __init__(self, max_workers=10):
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pool = concurrent.futures.ProcessPoolExecutor(int(max_workers))
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super(ProcessPoolExecutor, self).__init__(pool)
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