Python script to fetch the BMV Abholtermine (https://www.bmv.at/service/muellabfuhrtermine.html). Target: include this in home assistant.

bmv.py

from urllib import request, parse
from bs4 import BeautifulSoup
from datetime import date, datetime

# Checks if the given string is a valid date in the future (or today).
def parse_date(date_string):
    result: date = None
    if ', ' in date_string:
        parts = date_string.split(', ')
        parsed_date = datetime.strptime(parts[1], '%d.%m.%Y').date()
        if parsed_date >= date.today():
            result = parsed_date
    return result

# Select all table columns with a date in the future.
def get_text_from_tds(elements):
    result = list()
    for element in elements:
        parsed_date = parse_date(element.text)
        if parsed_date is not None:
            result.append(parsed_date)
    return result

# Calls the servlet with the given parameters.
def get_servlet(parms):
    # build URI on given parameters
    servletUrl = 'https://webudb.udb.at/WasteManagementUDB/WasteManagementServlet'
    querystring = parse.urlencode(parms)

    # execute request
    u = request.urlopen(servletUrl + '?' + querystring)
    resp = u.read()

    soup = BeautifulSoup(resp, 'html.parser')
    return soup

# Entry function
def main():
    # call 1, get session id
    params1 = {
        'SubmitAction': 'wasteDisposalServices'
    }
    doc = get_servlet(params1)
    session = doc.select('form #SessionId')[0]

    # call 2, set city
    paramsMap = {
        'SubmitAction': 'citiesEvent',
        'InFrameMode': 'TRUE',
        'Ort': '<Ort>',
        'Strasse': '<Strasse>',
        'Hausnummer': '<Hausnummer>',
        'ApplicationName': 'com.athos.kd.udb.CheckAbfuhrTermineParameterBusinessCase',
        session['name']: session['value']
    }
    doc = get_servlet(paramsMap)

    # call 3, fetch dates
    paramsMap['SubmitAction'] = 'forward'
    doc = get_servlet(paramsMap)
    restmuellSelection  = doc.find("table", {"name": "RestmuellTermineLIST"}).select('td')
    restmuell = get_text_from_tds(restmuellSelection)
    gelberSackSelection  = doc.find("table", {"name": "DSDTermineLIST"}).select('td')
    gelberSack = get_text_from_tds(gelberSackSelection)
    papierSelection  = doc.find("table", {"name": "PapierTermineLIST"}).select('td')
    papier = get_text_from_tds(papierSelection)

    # output result
    print("Nächster Restmüll:    ", restmuell[0])
    print("Nächster gelber Sack: ", gelberSack[0])
    print("Nächster Papier:      ", papier[0])

main()