Rename Like A Boss

#!/usr/bin/env python3

import re
import os

from bs4 import BeautifulSoup


with open('titles', 'r') as f:
    html = f.read()
soup = BeautifulSoup(html)

titles = {}

for episode in soup.find_all('tr', attrs={'class': "vevent"}):
    num = episode.find('td').text
    title = episode.find('td', attrs={'class': 'summary'}).text
    title = title.replace('"', '')
    titles[int(num)] = [num.zfill(2), title]

reg = re.compile('.*S\d+E(\d+).*')
for i in os.listdir(os.getcwd()):
    match = reg.match(i)
    if match is not None:
        episode = int(match.group(1))
        path = os.path.join(os.getcwd(), i)
        num, title = titles[episode]
        ext = os.path.splitext(path)[-1]
        filename = '{} - {}{}'.format(num, title, ext)
        new_path = os.path.join(os.getcwd(), filename)
        print(num, title)
        os.rename(path, new_path)