将Android文档中Google Analytics的js链接去掉，方便离线阅读

remove_ga_js.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright © 2013 Yang Junyong <yanunon@gmail.com>

import sys
import os

GA_JS_STR = 'document.write(unescape("%3Cscript src=\'" + gaJsHost + "google-analytics.com/ga.js\' type=\'text/javascript\'%3E%3C/script%3E"));'

def main(doc_dir):
    for r in os.walk(doc_dir):
        for filename in r[2]:
            fpath = os.path.join(r[0], filename)
            ext = fpath[fpath.rfind('.')+1:]
            if ext.lower() != 'html':
                continue
            f = open(fpath, 'r')
            fs = f.read()
            f.close()

            fs = fs.replace(GA_JS_STR, '')

            f = open(fpath, 'w')
            f.write(fs)
            f.close()

if __name__ == '__main__':
    doc_dir = '.'
    if len(sys.argv) > 2:
        doc_dir = sys.argv[1]
    main(doc_dir)