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- from __future__ import absolute_import
- import sys
- from apscheduler.executors.base import BaseExecutor, run_job
- from apscheduler.executors.base_py3 import run_coroutine_job
- from apscheduler.util import iscoroutinefunction_partial
- class AsyncIOExecutor(BaseExecutor):
- """
- Runs jobs in the default executor of the event loop.
- If the job function is a native coroutine function, it is scheduled to be run directly in the
- event loop as soon as possible. All other functions are run in the event loop's default
- executor which is usually a thread pool.
- Plugin alias: ``asyncio``
- """
- def start(self, scheduler, alias):
- super(AsyncIOExecutor, self).start(scheduler, alias)
- self._eventloop = scheduler._eventloop
- self._pending_futures = set()
- def shutdown(self, wait=True):
- # There is no way to honor wait=True without converting this method into a coroutine method
- for f in self._pending_futures:
- if not f.done():
- f.cancel()
- self._pending_futures.clear()
- def _do_submit_job(self, job, run_times):
- def callback(f):
- self._pending_futures.discard(f)
- try:
- events = f.result()
- except BaseException:
- self._run_job_error(job.id, *sys.exc_info()[1:])
- else:
- self._run_job_success(job.id, events)
- if iscoroutinefunction_partial(job.func):
- coro = run_coroutine_job(job, job._jobstore_alias, run_times, self._logger.name)
- f = self._eventloop.create_task(coro)
- else:
- f = self._eventloop.run_in_executor(None, run_job, job, job._jobstore_alias, run_times,
- self._logger.name)
- f.add_done_callback(callback)
- self._pending_futures.add(f)
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