def _build_parallel_multiprocessing(processes):
if processes is None or processes == 0:
communicationChannel = concurrently.CommunicationChannel0()
else:
dropbox = concurrently.MultiprocessingDropbox(processes)
communicationChannel = concurrently.CommunicationChannel(
dropbox=dropbox)
return Parallel(None, communicationChannel)
def _build_parallel_dropbox_(workingarea_options, dispatcher_class,
dispatcher_options):
workingarea = concurrently.WorkingArea(**workingarea_options)
dispatcher = dispatcher_class(**dispatcher_options)
dropbox = concurrently.TaskPackageDropbox(workingArea=workingarea,
dispatcher=dispatcher)
communicationChannel = concurrently.CommunicationChannel(dropbox=dropbox)
return Parallel(None, communicationChannel, workingarea)
def _build_parallel_dropbox_(workingarea_options, dropbox_options,
dispatcher_class, dispatcher_options):
workingarea = concurrently.WorkingArea(**workingarea_options)
dispatcher = dispatcher_class(**dispatcher_options)
dropbox_options.update(dict(workingArea=workingarea,
dispatcher=dispatcher))
dropbox = concurrently.TaskPackageDropbox(**dropbox_options)
communicationChannel = concurrently.CommunicationChannel(dropbox=dropbox)
progressMonitor = progressbar.NullProgressMonitor()
return Parallel(progressMonitor, communicationChannel, workingarea)
def _build_parallel_multiprocessing(quiet, processes):
if quiet:
progressBar = None
elif sys.stdout.isatty():
progressBar = progressbar.ProgressBar()
else:
progressBar = progressbar.ProgressPrint()
if processes is None or processes == 0:
progressMonitor = progressbar.NullProgressMonitor() if quiet else progressbar.ProgressMonitor(presentation = progressBar)
communicationChannel = concurrently.CommunicationChannel0()
else:
progressMonitor = progressbar.NullProgressMonitor() if quiet else progressbar.BProgressMonitor(presentation = progressBar)
dropbox = concurrently.MultiprocessingDropbox(processes, progressMonitor)
communicationChannel = concurrently.CommunicationChannel(dropbox = dropbox)
return Parallel(progressMonitor, communicationChannel)