使用Python统计文件下代码行数

#/usr/bin/env python
# -*- coding:utf-8 -*-
# Author:Wangj
import os
import time
basedir = 'H:/python/MultiQC/'
filelists = []
# 指定想要统计的文件类型
whitelist = ['php', 'py']
#遍历文件, 递归遍历文件夹中的所有
def getFile(basedir):
    global filelists
    for parent,dirnames,filenames in os.walk(basedir):
        #for dirname in dirnames:
        #    getFile(os.path.join(parent,dirname)) #递归
        for filename in filenames:
            ext = filename.split('.')[-1]
            #只统计指定的文件类型，略过一些log和cache文件
            if ext in whitelist:
                filelists.append(os.path.join(parent,filename))
#统计一个文件的行数
def countLine(fname):
    count = 0
    for file_line in open(fname).xreadlines():
        if file_line != '' and file_line != '\n': #过滤掉空行
            count += 1
    print (fname + '----' , count)
    return count
if __name__ == '__main__' :
    startTime = time.clock()
    getFile(basedir)
    totalline = 0
    for filelist in filelists:
        totalline = totalline + countLine(filelist)
    print ('total lines:',totalline)
    print ('Done! Cost Time: %0.2f second' % (time.clock() - startTime))