How to remove comments from Python files

How to remove comments from Python files

This article describes how to remove comments from Python files. Share it with you for your reference. The specific implementation method is as follows:

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#! /Usr/bin/python #-*-Coding: GBK -*- # Writer: xmnathan # Annotate the py file Import re Import OS Import ConfigParser Python = 'note' Def ReadIni (path, section, option): # file path, chapter, keyword # Read ini Cf = ConfigParser. ConfigParser () Cf. read (path) Value = cf. get (section, option) # If getint () is used, the data type is directly read as an integer. Return value Def IsPassLine (strLine ): # Whether the row can be ignored # Ignore the regular expression list of rows RegularExpressions = ["""/'.*#.*/'""","""/".*#.*/"""", """/'/'/'. *#. */'/'/'""","""/"/"/". *#. */"] For One in RegularExpressions: Zz = re. compile (One) If re. search (zz, strLine) = None: Continue Else: Return True # ignore if a match exists. Return False Def ReadFile (FileName ): # Reading and processing files Fobj = open (FileName, 'R ') AllLines = fobj. readlines () Fobj. close () NewStr ='' LogStr = '/n % 20 s/N' % (FileName. split (' // ') [-1]) # output log Nline = 0 For eachiline in AllLines: Index = eachline. find ('#') # obtain the location index with the comment clause '#' If index =-1 or nline <3 or IsPassLine (eachline ): If eachiline. strip ()! = '': # Exclude empty rows NewStr = NewStr + eachiline Else: If index! = 0: NewStr = NewStr + eachiline [: index] + '/N' # extract the comments LogStr + = "ChangeLine: % s/t % s" % (nline, eachline [index:]) Nline + = 1 Return NewStr, LogStr Def MakeCleanFile (SrcPath, DescPath, FileList ): FLog = open (DescPath + '// 'employee '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 (): # Obtain the path of the source folder and target folder from ini IniPath = OS. getcwd () + '//' + PtName + '. ini' SrcPath = ReadIni (IniPath, PyName, 'srcpath ') # source folder DescPath = ReadIni (IniPath, PyName, 'descpath') # destination folder # If the destination folder does not exist, create it 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: configuration file CleanNote. ini format

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[CleanNote] SrcPath = E:/test DescPath = E:/test/newfiles

Batch remove comments of the py file in the specified source folder, and generate a copy and a specified destination folder

I hope this article will help you with Python programming.