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' )
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ps:配置文件CleanNote.ini的格式
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[CleanNote]
SrcPath = E: / test
DescPath = E: / test / newfiles
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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。