engine.py 文件源码

def printStats(self):

        """ Print generation statistics
        :rtype: the printed statistics as string
        .. versionchanged:: 0.6
           The return of *printStats* method.
        """

        percent = self.currentGeneration * 100 / float(self.nGenerations)
        message = "Gen. %d (%.2f%%):" % (self.currentGeneration, percent)
        log.info(message)
        print(message,)
        sys_stdout.flush()
        self.internalPop.statistics()
        stat_ret = self.internalPop.printStats()
        return message + stat_ret

    # -----------------------------------------------------------------