def __prepare_engine(self):
u"Prepare the GA engine."
# Set GA engine parameters.
self.ga = CustomGSimpleGA(self.genome, self.seed)
self.ga.setPopulationSize(self.size)
self.ga.setGenerations(self.generations)
self.ga.setParams(stop_file=self.stop_flag)
self.ga.setParams(timer=self.timer)
