python实现统计代码行数

#!/usr/bin/env python
#-*- coding=utf-8  -*-
import sys, os, stat
#清除项目里面的svn版本信息
def purge(path):
	count = 0
	for item in os.listdir(path):
		subpath = os.path.join(path,item)
		mode = os.stat(subpath)[stat.ST_MODE]
		if stat.S_ISDIR(mode):
			count = purge(subpath)
		else:
			os.chmod(subpath,stat.S_IREAD|stat.S_IWRITE)
			os.unlink(subpath)
			count = 1
	os.rmdir(path)
	count = 1
	return count
#递归循环目录
def walk(path):
    for item in os.listdir(path):
        subpath = os.path.join(path, item)
        mode = os.stat(subpath)[stat.ST_MODE]
        if stat.S_ISDIR(mode):
            if item == ".svn":
                print "清除 %s 的版本信息..." %subpath
                print "%d 被删除" % purge(subpath)
            else:
                walk(subpath)

#清除完毕，退出
#if len(sys.argv) != 2:
#    print "已经清除.svn文件"
#    sys.exit(1)
调用函数，以清除版本信息
walk(raw_input(\'请输入你项目的绝对目录：\'))
#递归目录
def walkread(path):
    for item in os.listdir(path):
        subpath = os.path.join(path, item)
        mode = os.stat(subpath)[stat.ST_MODE]
        if stat.S_ISDIR(mode):
            walkread(subpath)
        else:
	    filework(subpath)
            print \'%s是文件\' % subpath

#以下函数较为简单，具体实现依据你个人的统计
#全局变量 记录项目总行数
codeline = 0
def filework(filepath):
	global codeline
	if filepath[-4:] != \'.pyc\':
		codename = open(\'/home/scr/my/code\',\'ab\')
		line = os.linesep
		codename.write(filepath)
		codeline += 1
		codename.write(line)
		coderead = open(filepath,\'rb\')
		for cont in coderead:
			codename.write(cont)
			codeline += 1
		codename.write(line)
		coderead.close()
		codename.close()

walkread(raw_input(\'请输入你项目的绝对目录：\'))#例如\'/var/www/html/iuuc/\'
print \'总行数 %d\' % codeline