Vehicle wants to be a library giving access to timetable enquiries using HAFAS. But it is heavily broken.

vehicle.py

#!/usr/bin/env python3

# Copyright (C) 2013 Oleander Reis <oleander@oleander.cc>
# 
# This software is provided 'as-is', without any express or implied
# warranty.  In no event will the authors be held liable for any damages
# arising from the use of this software.
# 
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
# 
# 1. The origin of this software must not be misrepresented; you must not
#    claim that you wrote the original software. If you use this software
#    in a product, an acknowledgment in the product documentation would be
#    appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
#    misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.

"""
Vehicle public transport library
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Vehicle is a library giving access to timetable enquiries using HAFAS.

Basic usage:
>>> from vehicle import Vehicle
>>> rmv = Vehicle('http://www.rmv.de/auskunft')
>>> rmv.get_station_departures(3019904, 10)
[<Service dep=16:29 arr=None start=None dest=Marburg-Wehrda Sachsenring route=Bus 1>,
 <Service dep=16:31 arr=None start=None dest=Marburg Eisenacher Weg route=Bus 1>,
 <Service dep=16:32 arr=None start=None dest=Marburg-Cappel Moischter Straße route=Bus 3>,
 <Service dep=16:33 arr=None start=None dest=Marburg Hauptbahnhof route=Bus E2>,
 <Service dep=16:34 arr=None start=None dest=Marburg Pommernweg route=Bus 1>,
 <Service dep=16:35 arr=None start=None dest=Marburg Hauptbahnhof route=Bus 2>,
 <Service dep=16:35 arr=None start=None dest=Marburg Sonnenblick route=Bus 7>,
 <Service dep=16:38 arr=None start=None dest=Marburg-Wehrshausen Neuhöfe route=Bus 17>,
 <Service dep=16:38 arr=None start=None dest=Marburg-Cappel Cappeler Gleiche route=Bus 2>,
 <Service dep=16:38 arr=None start=None dest=Marburg Universitätsklinikum route=Bus 7>]
"""

__title__ = 'Vehicle'
__version__ = '0.0.1'
__author__ = 'Oleander Reis'
__license__ = 'zlib'
__copyright__ = '2013 by Oleander Reis'

from pyquery import PyQuery as pq
import datetime

class Vehicle(object):
    def __init__(self, base_url):
        self.base_url = base_url

    def get_station_departures(self, station, count):
        return Station.departures(self, station, count)

    def get_route_stations(self, route):
        return Route.stations(self, route)

class Service(object):
    def __init__(self, dep=None, arr=None, start=None, dest=None, route=None):
        self._dep = dep
        self._arr = arr
        self._start = start
        self._dest = dest
        self._route = route

    def __repr__(self):
        return "<{cls} dep={dep} arr={arr} start={start} dest={dest} route={route}>".format(
            cls=type(self).__name__,
            dep=self._dep,
            arr=self._arr,
            start=self._start,
            dest=self._dest,
            route=self._route
        )

    def __range__(self):
        return self.dep, self.arr

    @property
    def dep(self):
        return self._dep

    @property
    def arr(self):
        return self._arr

    @property
    def start(self):
        return Station(self._start)

    @property
    def dest(self):
        return Station(self._dest)

    @property
    def route(self):
        return self._route

class Station(object):
    _id = None

    def __init__(self, id):
        self._id = id

    def __repr__(self):
        return "<{cls} id={id}>".format(
            cls=type(self).__name__,
            id=self._id,
        )

    def __str__(self):
        return self._id

    def departures(self, id, count):
        data = pq(
            url='{base_url}/bin/jp/stboard.exe/dt?input={id}&boardType=dep&dateBegin={today}&dateEnd={future}&maxJourneys={count}&start=yes&outputMode=stationInfoBoardOnly'.format(
                base_url=self.base_url,
                id=id,
                today=datetime.date.today().strftime('%d.%m.%y'),
                future=(datetime.date.today() + datetime.timedelta(days=30)).strftime('%d.%m.%y'),
                count=count
            )
        )
        return [
            Service(
                dep=pq(service).find('td[headers=hafasSQarrTime]').text(),
                dest=pq(service).find('td[headers=hafasSQarrDest]').text(),
                route=pq(service).find('td[headers=hafasSQarrLine]').text()
            ) for service in data('table > tbody > tr')
        ]


class Route(object):
    _id = None

    def __init__(self, id):
        self._id = id

    def __repr__(self):
        return "<{cls} id={id}>".format(
            cls=type(self).__name__,
            id=self._id,
        )

    def stations(self, id):
        return None

if __name__ == '__main__':
    vehicle = Vehicle('http://www.rmv.de/auskunft')
    for service in vehicle.get_station_departures(3019904, 10):
        print((service.dep, str(service.dest), service.route))