def __call__(self, population, num_generations, num_evaluations, args):
if self.progress is None:
self.max_evaluations = args.get('max_evaluations', 50000)
self.progress = ProgressBar(self.max_evaluations)
self.progress.start()
if num_evaluations % args.get('n', 1) == 0:
if num_evaluations > self.max_evaluations:
self.progress.update(self.max_evaluations)
else:
self.progress.update(num_evaluations)
class ProgressObserver(object):
"""
Progress bar to in command line
"""
__name__ = "Progress Observer"
def __init__(self):
self.progress = None
def __call__(self, population, num_generations, num_evaluations, args):
if self.progress is None:
self.max_evaluations = args.get('max_evaluations', 50000)
self.progress = ProgressBar(self.max_evaluations)
self.progress.start()
if num_evaluations % args.get('n', 1) == 0:
if num_evaluations > self.max_evaluations:
self.progress.update(self.max_evaluations)
else:
self.progress.update(num_evaluations)
def reset(self):
self.progress = None
def end(self):
self.progress.end()
def _process_message(self, message):
i = message['index']
if not i in self.progress:
print("")
label = "Island %i: " % (i + 1)
pos = abs(len(self.clients) - i)
writer = self.TerminalWriter((self.terminal.height or 1) - pos, self.terminal)
self.progress[i] = ProgressBar(label=label, fd=writer, size=message['max_evaluations'])
self.progress[i].start()
self.progress[i].update(message['num_evaluations'])
def _create_client(self, i):
self.clients[i] = IPythonNotebookMultiprocessProgressObserverClient(queue=self.queue, index=i)
label = "Island %i" % (i + 1)
self.progress[i] = ProgressBar(label=label, color=self.color_map[i])
