# get_status_from_webpage.py # Prof. Lee (cs1110-prof@cornell.edu) # Feb 14 2018 """ Allow user to repeatedly query a file to find out the open/closed status of a class lecture or section. """ import a1 import urllib.request import sys data_name = input('Enter a roster website URL, including the http part: ') try: data_source = urllib.request.urlopen(data_name) data_text = data_source.read().decode('utf-8') except ValueError: print("Something is wrong with the web address or webpage.") sys.exit() msg = 'The webpage has been loaded.\n\n' msg = msg + 'Note that this program does NOT refresh its data;\n' msg = msg + 'if the webpage gets updated,' msg = msg + ' you need to restart this program to get the new information.\n' print(msg) # Allow repeated queries until the user types 'q' init_prompt = 'Enter the class number, probably a 5-digit number' init_prompt = init_prompt + ' (or "q" to quit): ' num=input(init_prompt) while num != "q": try: print(a1.label(num, data_text) + " " + a1.open_status(num, data_text)) except: msg = "I couldn't process the input; " msg = msg + "try a different number (or fix any bugs in a1.py)." print(msg) num=input('Enter the class number (or "q" to quit): ')