My daily task - find some meatless meal in the daily menu of a local pizzeria - automated

pizzeria-manna-find-vegetarian.py

# encoding: utf-8

from __future__ import unicode_literals
import sys, re
from bs4 import BeautifulSoup
import requests
from termcolor import colored

MENU_URL = 'http://www.pizzeria-manna.cz/index.asp?id=dennimenu'

def meals(soup):
    """
    Yields plaintext one-line meal descriptions.
    """
    for tr in soup.body.find_all('tr'):
        cells = tr.find_all('td', recursive=False)
        if len(cells) != 4:
            continue

        if not cells[0].get_text().isdigit():
            continue

        text = tr.get_text()
        text = re.sub(r'\s+', ' ', text.strip())
        yield text

def vegetarian(meal):
    """
    Says if a given string describing a meal is a description
    of a vegetarian meal
    """
    deadly_strings = ['kuře', 'vepř', 'hověz', 'slanin', 'šunk', 'boloň', 'losos', 'salám', 'steak', 'krůt', 'krab', 'tuňák', 'ančovič']

    m_normalized = meal.lower()
    for d in deadly_strings:
        if d in m_normalized:
            return False

    return True

def highlight(s):
    return colored(s, 'yellow')

# Get menu of Pizzeria Manna
response = requests.get(MENU_URL)
if response.status_code != 200:
    sys.stderr.puts('Responded with HTTP status {0}'.format(response.status_code))
    exit(1)

response.encoding = 'windows-1250' # requests don't guess it correctly
html = response.text

soup = BeautifulSoup(html, 'html5lib')

# filter out meals including dead animals,
# print the rest
for m in meals(soup):
    if vegetarian(m):
        print highlight(m)
    else:
        print m