upstream/ipython Files · docs/examples/newparallel/demo/remotefunction.py

tasks on engines when they die fail instead of hang...

tasks on engines when they die fail instead of hang This is only true in the Python scheduler, and not for any ZMQ scheduler (MUX,control,pure)

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      from IPython.zmq.parallel.client import *

      client = Client()

      @remote(client, bound=True)

      def getkey(name):

          """fetch something from globals"""

          return globals().get(name)

      @remote(client, bound=True, targets='all')

      def setpids():

          import os

          globals()['pid'] = os.getpid()

      # set pid in the globals

      setpids()

      getkey('pid')

      getkey.targets=[1,2]

      getkey('pid')

      getkey.bound=False

      getkey('pid') is None

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				from IPython.zmq.parallel.client import *

				client = Client()

				@remote(client, bound=True)
				def getkey(name):
				"""fetch something from globals"""
				return globals().get(name)

				@remote(client, bound=True, targets='all')
				def setpids():
				import os
				globals()['pid'] = os.getpid()

				# set pid in the globals
				setpids()
				getkey('pid')
				getkey.targets=[1,2]
				getkey('pid')
				getkey.bound=False
				getkey('pid') is None