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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
# Требования: нужна библиотека beautifulsoup4 версии не ниже 4.4.1: | |
# "pip install beautifulsoup4" | |
# | |
# Запуск возможен с тремя параметрами: | |
# -host - хост сервера, по умолчанию localhost | |
# -port - порт сервера, по умолчанию 8000 | |
# -site - адрес сайта, без "http://". По умолчанию: habrahabr.ru | |
# | |
# После запуска открывается браузер с обработанной главной страницей сайта | |
import BaseHTTPServer | |
import requests | |
import re | |
import argparse | |
import webbrowser | |
from bs4 import BeautifulSoup | |
from bs4.element import Comment | |
parser = argparse.ArgumentParser() | |
parser.add_argument('-host', default='localhost') | |
parser.add_argument('-port', default=8000) | |
parser.add_argument('-site', default='habrahabr.ru') | |
args = parser.parse_args() | |
HOST = args.host | |
PORT = int(args.port) | |
SITE = args.site | |
def add_tm(match): | |
""" | |
Добавляет HTML-сущность "TM" к слову | |
""" | |
return u'{}{}'.format(match.group(0), u'™') | |
def replace_content(html): | |
""" | |
Тут происходит замена слов из шести букв на слова с "TM" | |
""" | |
soup = BeautifulSoup(html, 'html.parser') | |
body = soup.find('body') | |
for text in body.find_all(string=True): | |
if text.parent.name != 'script' and not isinstance(text, Comment): | |
fixed_text = re.sub(r'\b\w{6}\b', add_tm, text, 0, re.UNICODE) | |
text.replace_with(fixed_text) | |
return soup.decode('utf-8', formatter=None) | |
class HabraProxyServer(BaseHTTPServer.HTTPServer): | |
def server_activate(self): | |
BaseHTTPServer.HTTPServer.server_activate(self) | |
self.RequestHandlerClass.after_activate(*self.server_address) | |
class HabraProxyRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler): | |
def do_GET(self): | |
""" | |
Обрабатывает запрос | |
""" | |
url = 'http://{host}{path}'.format(**{'host': SITE, 'path': self.path}) | |
response = requests.get(url) | |
self.send_response(response.status_code) | |
self.send_header('Content-type', response.headers['content-type']) | |
self.end_headers() | |
if 'text/html' in response.headers['content-type']: | |
content = replace_content(response.text) | |
self.wfile.write(content.encode(response.encoding)) | |
else: | |
self.wfile.write(response.content) | |
@classmethod | |
def after_activate(cls, host, port): | |
""" | |
Открытие браузера с главной страницей сайта после запуска сервера | |
""" | |
url = u'http://{host}{port}/'.format( | |
**{'host': host, 'port': '' if port == 80 else ':' + str(port)}) | |
webbrowser.open_new_tab(url) | |
def main(): | |
httpd = HabraProxyServer((HOST, PORT), HabraProxyRequestHandler) | |
try: | |
httpd.serve_forever() | |
except KeyboardInterrupt: | |
httpd.server_close() | |
if __name__ == '__main__': | |
main() |
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