menu_scrapper.py

from bs4 import BeautifulSoup
from urllib.request import urlopen

weekdays = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday']
ist_menu_url = 'http://screens.app.ist.ac.at/menu_weekly'

""" Remove a line 'line' from a string 'string'. """
def RemoveGivenLine(string,line):
    lines = string.splitlines()
    lines.pop(line)
    string_joined_again = "\n".join(lines)
    return string_joined_again

def GetMenu(menu_url):
    page = urlopen(menu_url)
    soup = BeautifulSoup(page, 'html.parser')
    table = soup.find( "table")
    rows = table.findAll("tr")
    texts = [row.get_text().splitlines() for row in rows]
    texts.pop(0)  # Remove 1st row (table header).
    # Lines corresponding to food items in each day.
    meaningful_lines = [2, 6, 10, 16, 20, 24, 30]
    days = [[text[i].replace("\t","")
             for i in meaningful_lines]
             for text in texts]
    day_strings = ["\n\n".join(day) for day in days]
    # Remove the (whitespace b/w soups) for a nicer look.
    day_strings = [RemoveGivenLine(day_string, 3) for day_string in day_strings]    
    return day_strings

day_menus = GetMenu(ist_menu_url)

for i in range(len(weekdays)):
	with open(weekdays[i]+".txt", "w+") as f:
		f.write(day_menus[i])