show_my_place.py

#!/bin/python3

import urllib.request
import time
import datetime
import subprocess
from html.parser import HTMLParser

from pprint import pprint

class MyHTMLParser(HTMLParser):
    def __init__(self):
        HTMLParser.__init__(self)
        self.found = False
        self.current_number = None
        self.waiting_people = None

    def handle_data(self, data):
        data = data.strip()
        #print("Encountered some data  :", data)
        if self.found and len(data) > 0:
            if self.current_number is None:
                self.current_number = data
            elif self.waiting_people is None:
                self.waiting_people = int(data.strip())

        if data == "Składanie wniosków o paszport":
            self.found = True


def sendmessage(message):
    subprocess.Popen(['notify-send', message])
    return


people_per_hour = 0
people_per_hour_count = 0
people_per_hour_start = datetime.datetime.now()
previous_waiting = None

while True:
    contents = urllib.request.urlopen(
        "http://rejestracjapoznan.poznan.uw.gov.pl/queueInfo").read().decode('utf-8')

    parser = MyHTMLParser()
    parser.feed(contents)

    print("Current number: {}".format(parser.current_number))
    print("Waiting people: {}".format(parser.waiting_people))

    current_number = int(parser.current_number[1:])
    if previous_waiting is not None:
        diff = current_number - previous_waiting
        # Sometimes numbers can jump
        if diff < 0:
            diff = 1
        people_per_hour_count += diff

    people_per_hour = people_per_hour_count / \
        ((datetime.datetime.now() - people_per_hour_start).total_seconds()/60/60)

    previous_waiting = current_number
    print("Queue speed: {}".format(people_per_hour))

    if current_number > 100:
        sendmessage("Hey current number: {}".format(parser.current_number))

    time.sleep(5)