python去除C注释rmanno-zz170719

##############################
python去除C注释rmanno-zz170719
zz @ 2017-7-19


REF:
rman.3walkrmanno.py


##############################
#!/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()

##############################