本文实例讲述了Python文件去除注释的方法。分享给大家供大家参考。具体实现方法如下:
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#!/usr/bin/python # -*- coding: GBK -*- #writer:xmnathan #py文件去注释 import re import os import ConfigParser Python = 'CleanNote' def ReadIni(path,section,option): #文件路径,章节,关键词 #读取ini cf = ConfigParser.ConfigParser() cf.read(path) value = cf.get(section,option) #如果用getint()则直接读取该数据类型为整数 return value def IsPassLine(strLine): #是否是可以忽略的行 #可忽略行的正则表达式列表 RegularExpressions = [ """/'.*#.*/'""" , """/".*#.*/""" ", """/'/'/'.*#.*/'/'/'""" , """/"/"/".*#.*/"/"/""" "] for One in RegularExpressions: zz = re. compile (One) if re.search(zz,strLine) = = None : continue else : return True #有匹配 则忽略 return False def ReadFile(FileName): #读取并处理文件 fobj = open (FileName, 'r' ) AllLines = fobj.readlines() fobj.close() NewStr = '' LogStr = '/n%20s/n' % (FileName.split( '//' )[ - 1 ]) #输出的日志 nline = 0 for eachiline in AllLines: index = eachline.find( '#' )#获取带注释句‘#'的位置索引 if index = = - 1 or nline< 3 or IsPassLine(eachline): if eachiline.strip()! = '': #排除纯空的行 NewStr = NewStr + eachiline else : if index! = 0 : NewStr = NewStr + eachiline[:index] + '/n' #截取后面的注释部分 LogStr + = "ChangeLine: %s/t%s" % (nline,eachline[index:]) nline + = 1 return NewStr,LogStr def MakeCleanFile(SrcPath,DescPath,FileList): fLog = open (DescPath + '//' + 'CleanNoteLog.txt' , 'w' ) for File in FileList: curStr,LogStr = ReadFile(SrcPath + '//' + File ) fNew = open (DescPath + '//' + File , 'w' ) fNew = write(curStr) fNew.close() fLog.write(LogStr) fLog.close() def Main(): #从ini获取源文件夹及目标文件夹路径 IniPath = os.getcwd() + '//' + PtName + '.ini' SrcPath = ReadIni(IniPath,PyName, 'SrcPath' ) #源文件夹 DescPath = ReadIni(IniPath,PyName, 'DescPath' ) #目的文件夹 #如果目的文件夹不存在,创建之 if not os.path.exists(DescPath): os.makedirs(DescPath) FileList = [] for files in os.walk(SrcPath): for FileName in files[ 2 ]: if FileName.split( '.' )[ - 1 ] = = 'py' : FileList.append(FileName) MakeCleanFile(SrcPath,DescPath,FileList) if __name__ = = '__main__' : Main() print '>>>End<<<' os.system( 'pause' ) |
ps:配置文件CleanNote.ini的格式
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[CleanNote] SrcPath = E: / test DescPath = E: / test / newfiles |
批量去除指定源文件夹中的py文件的注释,并生成拷贝与指定目的文件夹
希望本文所述对大家的Python程序设计有所帮助。