io_helper.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-


import pickle
import sys

def saveintopickle(obj, filename):
    with open(filename, 'wb') as handle:
        pickle.dump(obj, handle, protocol=pickle.HIGHEST_PROTOCOL)

    print ("[Pickle]: save object into {}".format(filename))
    return



def loadfrompickle(filename):
    with open(filename, 'rb') as handle:
        b = pickle.load(handle)
    return b



#draw the  process bar
def drawProgressBar(percent, barLen = 20):
    sys.stdout.write("\r")
    progress = ""
    for i in range(barLen):
        if i < int(barLen * percent):
            progress += "="
        else:
            progress += " "
    sys.stdout.write("[ %s ] %.2f%%" % (progress, percent * 100))
    sys.stdout.flush()