Get available appointment dates from http://citavirtual.mppeuct.gob.ve/

get_dates.py

"""
You need to be logged in and then extract the cookie from your session.
Requires: python-tk
Usage: python <script_name> <year> <from_month> <to_month> <cookie>

Example: python get_dates.py 2016 8 10 'cookie_string'
"""

import time
import sys
import calendar
from urllib2 import Request
from urllib2 import urlopen
import Tkinter as tk
import tkMessageBox

root = tk.Tk()
root.withdraw()
not_found = True
months = {k: v for k, v in enumerate(calendar.month_abbr)}
args = sys.argv[1:]


while(not_found):
    for i in range(int(args[1]) - 1, int(args[2])):
        req = Request(
                'http://citavirtual.mppeuct.gob.ve/index.php/registro/' +
                'eventosAjax?year=' + args[0] + '&month=' + str(i)
                )
        req.add_header('Cookie', args[3])
        resp = urlopen(req)
        content = resp.read()

        if content[0:2] != '[]':
            tkMessageBox.showwarning(
                    'alert title',
                    'Date(s) available in ' + months[(i + 1)]
                    )
            print(content)
            not_found = False
            break
        else:
            print('No dates available in ' + months[(i + 1)])
            time.sleep(5)