def create_daemon_runner(self, loop=None):
"""Create and return a new daemon runner.
This is used by workers when the daemon is running and in testing.
:param loop: the (optional) tornado event loop to use
:type loop: :class:`tornado.ioloop.IOLoop`
:return: a runner configured to work in the daemon configuration
:rtype: :class:`aiida.engine.runners.Runner`
"""
import plumpy
from aiida.engine import persistence
from aiida.manage.external import rmq
runner = self.create_runner(rmq_submit=True, loop=loop)
runner_loop = runner.loop
# Listen for incoming launch requests
task_receiver = rmq.ProcessLauncher(
loop=runner_loop,
persister=self.get_persister(),
load_context=plumpy.LoadSaveContext(runner=runner),
loader=persistence.get_object_loader())
def callback(*args, **kwargs):
return plumpy.create_task(functools.partial(
task_receiver, *args, **kwargs),
loop=runner_loop)
runner.communicator.add_task_subscriber(callback)
return runner
def create_daemon_runner(
self,
loop: Optional[asyncio.AbstractEventLoop] = None) -> 'Runner':
"""Create and return a new daemon runner.
This is used by workers when the daemon is running and in testing.
:param loop: the (optional) asyncio event loop to use
:return: a runner configured to work in the daemon configuration
"""
from plumpy.persistence import LoadSaveContext
from aiida.engine import persistence
from aiida.manage.external import rmq
runner = self.create_runner(rmq_submit=True, loop=loop)
runner_loop = runner.loop
# Listen for incoming launch requests
task_receiver = rmq.ProcessLauncher(
loop=runner_loop,
persister=self.get_persister(),
load_context=LoadSaveContext(runner=runner),
loader=persistence.get_object_loader())
assert runner.communicator is not None, 'communicator not set for runner'
runner.communicator.add_task_subscriber(task_receiver)
return runner