answer for https://gist.github.com/anonymous/06e0bd519490c8f03404 correct answer s here https://gist.github.com/valentjedi/2156782b65cb2b164bd4

habraproxy.py

# -*- coding: utf-8 -*-
import requests
from bottle import run, route
from bs4 import BeautifulSoup
import re
exp = re.compile(r'\b(\w{6})\b')

def replace_6chr_word(word):
    if len(word) == 6:
        return word + u"\u2122"
    else:
        return word
#could not work weel with spaces
def replace_all_6char_words(text):
    return " ".join([replace_6chr_word(word) for word in text.split()])

def visible(element):
    if element.parent.name in ['style', 'script', '[document]', 'head', 'title']:
        return False
    elif re.match('<!--.*-->', unicode(element)):
        return False
    return True

def get_page_and_replace_6char_words(url):
    r = requests.get(url)
    soup = BeautifulSoup(r.text, "lxml")
    texts = soup.findAll(text = True)
    visible_texts = filter(visible, texts)
    for text in visible_texts:
        text.replaceWith(replace_all_6char_words(text))
    return soup.prettify()

@route('<path:path>')
def proxy(path):
    url = "http://habrahabr.ru" + path
    res =  get_page_and_replace_6char_words(url)
    return res
if __name__ == '__main__':
    run(host='localhost', port=8080)