Ejemplo n.º 1
0
    def _direct_path(self, mode, pt_object_origin, pt_object_destination, fallback_extremity, request, direct_path_type):
        """
        :param direct_path_type: we need to "invert" a direct path when it's a ending fallback by car if and only if
                                 it's returned by kraken. In other case, it's ignored
        """
        should_invert_journey = (mode == 'car' and direct_path_type == StreetNetworkPathType.ENDING_FALLBACK)
        if should_invert_journey:
            pt_object_origin, pt_object_destination = pt_object_destination, pt_object_origin

        req = request_pb2.Request()
        req.requested_api = type_pb2.direct_path
        req.direct_path.origin.place = get_uri_pt_object(pt_object_origin)
        req.direct_path.origin.access_duration = 0
        req.direct_path.destination.place = get_uri_pt_object(pt_object_destination)
        req.direct_path.destination.access_duration = 0
        req.direct_path.datetime = fallback_extremity.datetime
        req.direct_path.clockwise = fallback_extremity.represents_start
        req.direct_path.streetnetwork_params.origin_mode = mode
        req.direct_path.streetnetwork_params.destination_mode = mode
        req.direct_path.streetnetwork_params.walking_speed = request['walking_speed']
        req.direct_path.streetnetwork_params.max_walking_duration_to_pt = request['max_walking_duration_to_pt']
        req.direct_path.streetnetwork_params.bike_speed = request['bike_speed']
        req.direct_path.streetnetwork_params.max_bike_duration_to_pt = request['max_bike_duration_to_pt']
        req.direct_path.streetnetwork_params.bss_speed = request['bss_speed']
        req.direct_path.streetnetwork_params.max_bss_duration_to_pt = request['max_bss_duration_to_pt']
        req.direct_path.streetnetwork_params.car_speed = request['car_speed']
        req.direct_path.streetnetwork_params.max_car_duration_to_pt = request['max_car_duration_to_pt']

        response = self.instance.send_and_receive(req)

        if should_invert_journey:
            return self._reverse_journeys(response)
        return response
Ejemplo n.º 2
0
 def direct_path(self, mode, pt_object_origin, pt_object_destination,
                 fallback_extremity, request):
     req = request_pb2.Request()
     req.requested_api = type_pb2.direct_path
     req.direct_path.origin.place = get_uri_pt_object(pt_object_origin)
     req.direct_path.origin.access_duration = 0
     req.direct_path.destination.place = get_uri_pt_object(
         pt_object_destination)
     req.direct_path.destination.access_duration = 0
     req.direct_path.datetime = fallback_extremity.datetime
     req.direct_path.clockwise = fallback_extremity.represents_start
     req.direct_path.streetnetwork_params.origin_mode = mode
     req.direct_path.streetnetwork_params.destination_mode = mode
     req.direct_path.streetnetwork_params.walking_speed = request[
         'walking_speed']
     req.direct_path.streetnetwork_params.max_walking_duration_to_pt = request[
         'max_walking_duration_to_pt']
     req.direct_path.streetnetwork_params.bike_speed = request['bike_speed']
     req.direct_path.streetnetwork_params.max_bike_duration_to_pt = request[
         'max_bike_duration_to_pt']
     req.direct_path.streetnetwork_params.bss_speed = request['bss_speed']
     req.direct_path.streetnetwork_params.max_bss_duration_to_pt = request[
         'max_bss_duration_to_pt']
     req.direct_path.streetnetwork_params.car_speed = request['car_speed']
     req.direct_path.streetnetwork_params.max_car_duration_to_pt = request[
         'max_car_duration_to_pt']
     return self.instance.send_and_receive(req)
Ejemplo n.º 3
0
    def _do_request(self):
        logger = logging.getLogger(__name__)
        logger.debug("requesting proximities by crowfly from %s in %s",
                     self._requested_place_obj.uri, self._mode)

        # When max_duration_to_pt is 0, there is no need to compute the fallback to pt, except if place is a stop_point
        # or a stop_area
        if self._max_duration == 0:
            logger.debug(
                "max duration equals to 0, no need to compute proximities by crowfly"
            )

            # When max_duration_to_pt is 0, we can get on the public transport ONLY if the place is a stop_point
            if self._instance.georef.get_stop_points_from_uri(
                    self._requested_place_obj.uri):
                return [self._requested_place_obj]

        coord = utils.get_pt_object_coord(self._requested_place_obj)
        if coord.lat and coord.lon:
            crow_fly = self._instance.georef.get_crow_fly(
                utils.get_uri_pt_object(self._requested_place_obj), self._mode,
                self._max_duration, self._max_nb_crowfly,
                **self._speed_switcher)

            logger.debug("finish proximities by crowfly from %s in %s",
                         self._requested_place_obj.uri, self._mode)
            return crow_fly

        logger.debug("the coord of requested places is not valid: %s", coord)
        return []
Ejemplo n.º 4
0
    def get_street_network_routing_matrix(self, origins, destinations,
                                          street_network_mode, max_duration,
                                          request, **kwargs):
        # TODO: reverse is not handled as so far
        speed_switcher = {
            "walking": request['walking_speed'],
            "bike": request['bike_speed'],
            "car": request['car_speed'],
            "bss": request['bss_speed'],
            "ridesharing": request['car_no_park_speed'],
        }
        req = request_pb2.Request()
        req.requested_api = type_pb2.street_network_routing_matrix

        # kraken can only manage 1-n request, so we reverse request if needed
        if len(origins) > 1:
            if len(destinations) > 1:
                logging.getLogger(__name__).error(
                    'routing matrix error, no unique center point')
                raise TechnicalError(
                    'routing matrix error, no unique center point')
            else:
                origins, destinations = destinations, origins

        for o in origins:
            orig = req.sn_routing_matrix.origins.add()
            orig.place = get_uri_pt_object(o)
            orig.access_duration = 0
        for d in destinations:
            dest = req.sn_routing_matrix.destinations.add()
            dest.place = get_uri_pt_object(d)
            dest.access_duration = 0

        req.sn_routing_matrix.mode = street_network_mode
        req.sn_routing_matrix.speed = speed_switcher.get(
            street_network_mode, kwargs.get("walking"))
        req.sn_routing_matrix.max_duration = max_duration

        res = self.instance.send_and_receive(req)
        if res.HasField('error'):
            logging.getLogger(__name__).error(
                'routing matrix query error {}'.format(res.error))
            raise TechnicalError('routing matrix fail')
        return res.sn_routing_matrix
Ejemplo n.º 5
0
def _get_places_crowfly(instance, mode, place, max_duration_to_pt, max_nb_crowfly=5000, **kwargs):
    # When max_duration_to_pt is 0, there is no need to compute the fallback to pt, except if place is a stop_point or a
    # stop_area
    if max_duration_to_pt == 0:
        # When max_duration_to_pt is 0, we can get on the public transport ONLY if the place is a stop_point
        if instance.georef.get_stop_points_from_uri(place.uri):
            return {mode: place}
        else:
            return {mode: []}
    coord = get_pt_object_coord(place)
    if not coord.lat and not coord.lon:
        return {mode: []}
    res = instance.georef.get_crow_fly(get_uri_pt_object(place), mode, max_duration_to_pt,
                                       max_nb_crowfly, **kwargs)

    return {mode: res}
Ejemplo n.º 6
0
 def _get_crow_fly(self):
     return self._instance.georef.get_crow_fly(
         utils.get_uri_pt_object(self._requested_place_obj), self._mode,
         self._max_duration, self._max_nb_crowfly, **self._speed_switcher)