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python去除C注释rmanno-zz170719

zz @ 2017-7-19

REF:

rman.3walkrmanno.py

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#!/usr/bin/env python

# -*- coding:gb2312 -*-

#zz# coding=gbk

#   rman.2walkallfn

#

from __future__ import print_function

import os

import sys

import re

import platform

import shutil

## 1. python version

def pr_ver():

    print("Platform python_version:",platform.python_version())

## 2. main

def main():

    print("module name:",__name__)

    pr_ver()

    #zz# main test infos..

    if(0 > 0):

        print("argv number:",len(sys.argv))

        for i in range(len(sys.argv)):

            print(sys.argv[i])

        if len(sys.argv)<3 :

            print();

            print("usage: %s srcdir dstdir" %(sys.argv[0]))

    #zz# walk all file

    if(0 > 0):

        print("os.sep",os.sep)

        # for list_all in os.walk(os.path.dirname("G:\\zzrd_dingwork\\zztool_bsp_cl\\python_funs\\rm_anno")):

        # for list_all in os.walk("G:\\zzrd_dingwork\\zztool_bsp_cl\\python_funs\\rm_anno"):

        for list_all in os.walk(os.path.abspath("dir_src")):

            print(list_all)

        print()

    #zz# 0. help info

    if len(sys.argv)<3:

        print()

        print("usage: %s srcdir dstdir" % (sys.argv[0]))

        print()

        # return

        exit(1)

    else:

        print("src[%s] ==> dest[%s]\n" % ( os.path.abspath(sys.argv[1]),os.path.abspath(sys.argv[2]) ) )

    #zz# 1.print absolute path from a relative dir name

    # dir_dest = os.path.abspath("dir_dest")

    # dir_src = os.path.abspath("dir_src")

    # print("src[%s] ==> dest[%s] !\n" % (dir_src,dir_dest) )

    dir_src = os.path.abspath(sys.argv[1])

    dir_dest = os.path.abspath(sys.argv[2])

    print("src[%s] ==> dest[%s] !\n" % (dir_src,dir_dest) )

    #zz# 2.walk all the files in the relative dir

    for parents,dirs,files in os.walk(dir_src):

        for fn in files:

            if fn.endswith(".c") or fn.endswith(".h") or fn.endswith(".cc") or fn.endswith(".cpp"):

                #zz# print(os.path.join(parents,fn))

                #zz# print("%s%s%s" % (parents,os.sep,fn))

                abs_src_fn = os.path.join(parents,fn)

                abs_dst_fn = os.path.join(dir_dest,fn)

                #zz# os.makedirs("hello")

                # shutil.copy(abs_src_fn,abs_dst_fn)

                rm_anno_cfile(abs_src_fn,abs_dst_fn)

    #zz# remove annotate example

    # rm_anno_cfile()

## 3. deal one file

def rm_anno_cfile(fn_src="fun_do_rty.c",fn_dest="fun_do_rty.c.txt"):

    if not os.path.isfile(fn_src):

        print("!!! File: %s, Not Exist" % fn_src)

        return

    #zz# 文件全路径 => 文件名 => 文件名无后缀

    fn_filename = os.path.splitext(fn_src)[0]

    fn_filetitle = os.path.basename(fn_filename)

    #zz# 打开 in out 文件逐行处理

    #zz# fn_dest = "new" + fn_filetitle + ".orig"

    ff_out = open(fn_dest,"wb+")

    ff_in = open(fn_src,"r")

    list_in = ff_in.readlines()

    ff_in.close()

    #zz# 创建搜索用的,正则表达式

    # re_anno = re.compile("//zz")

    re_anno = re.compile("\s*//zz")

    for line in list_in:

        # 找到含有规定注释的行

        res_anno = re_anno.search(line)

        if None<>res_anno:

            continue

        else:

            ff_out.write(line)

    ff_out.close()  

## 0. run main as default

if __name__ == "__main__" :

    print("__main__ call!")

    main()

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