代码注释率统计的Python及Java实现

#coding:utf8 
#@author lyonwang
import os 

totalCodeCount = 0    #代码总行数（包括注释及空格）
totalCommentCount = 0    #注释行数

def readFilePath(path):
    global totalCodeCount 
    global totalCommentCount 
    fileList = []
    files = os.listdir(path)    #打开指定路径下所有文件及文件夹
    for f in files:
        if(os.path.isfile(path + ‘\\‘ + f) and (f[f.rfind(‘.‘):]==‘.java‘)):    #获取.java文件
            ff=open(path + ‘\\‘ +f)
            codeCount = 0
            commentCount = 0
            flag = False    #块注释标识
            while True:
                line = ff.readline()    #逐行读取.java文件    
                if len(line) == 0: 
                    break
                sLine = ‘‘
                ss = line.split(‘\"‘)
                for i in range(0,len(ss)):
                    if i%2!=0:
                        ss[i]=‘@‘
                    sLine = sLine + ss[i]
                if sLine.find(‘//‘)>=0:        
                    commentCount=commentCount+1
                elif sLine.find(‘/*‘)>=0:    #块注释
                    commentCount=commentCount+1
                    flag = True
                if sLine.find(‘*/‘)>=0:
                    flag = False
                if flag :
                    if sLine.find(‘*‘)>=0:
                        commentCount=commentCount+1
                codeCount=codeCount+1
            print ‘File Name:‘,f
            print ‘Code Count:‘,codeCount
            print ‘Comment Count:‘,commentCount
            print ‘Annotation Rate:‘,commentCount*100/codeCount,"%"
            totalCodeCount = totalCodeCount+codeCount;
            totalCommentCount = totalCommentCount+commentCount;
        if(os.path.isdir(path + ‘\\‘ + f)):        #文件夹则递归查找
            if(f[0] == ‘.‘):  
                        pass  
                    else: 
                readFilePath(path + ‘\\‘ + f)

filePath = raw_input(‘Project Path:‘)    #输入路径
readFilePath(filePath)
print ‘*************‘
print ‘Total Code Count:‘,totalCodeCount
print ‘Total Comment Count:‘,totalCommentCount
print ‘Total Annotation Rate:‘,totalCommentCount*100/totalCodeCount,"%"