runner.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
# Copyright (C) 2008-2025 German Aerospace Center (DLR) and others.
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License 2.0 which is available at
# https://www.eclipse.org/legal/epl-2.0/
# This Source Code may also be made available under the following Secondary
# Licenses when the conditions for such availability set forth in the Eclipse
# Public License 2.0 are satisfied: GNU General Public License, version 2
# or later which is available at
# https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later

# @file    runner.py
# @author  Mirko Barthauer (Technische Universitaet Braunschweig)
# @date    2018-09-27

from __future__ import print_function
import os
import sys

if "SUMO_HOME" in os.environ:
    sys.path.append(os.path.join(os.environ["SUMO_HOME"], "tools"))

import traci  # noqa
import sumolib  # noqa
import traci.constants as tc  # noqa

sumoBinary = sumolib.checkBinary('sumo')
traci.start([sumoBinary,
             '-n', 'input_net.net.xml',
             '-r', 'input_routes.rou.xml',
             '--junction-taz',
             '--device.rerouting.period', '300',
             '--weights.random-factor', '10',  # cause frequent rerouting
             '--vehroute-output', 'vehroutes.xml',
             '--no-step-log',
             ])

vehID = "ego"
traci.vehicle.setMaxSpeed(vehID, 5)
while traci.simulation.getMinExpectedNumber() > 0:
    if traci.simulation.getTime() == 10:
        traci.vehicle.setParameter(vehID, "device.rerouting.period", "10")
    traci.simulationStep()
    if traci.simulation.getTime() == 30:
        traci.vehicle.setParameter(vehID, "device.rerouting.period", "0")
    if traci.simulation.getTime() == 60:
        traci.vehicle.setParameter(vehID, "device.rerouting.period", "20")

traci.close()