runner.py

#!/usr/bin/env python
# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
# Copyright (C) 2009-2025 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  Lena Kalleske
# @author  Daniel Krajzewicz
# @author  Michael Behrisch
# @author  Jakob Erdmann
# @author  Leonhard Luecken
# @date    2009-03-26

# @author  Robert Alms
# @date	   2023-02.23

from __future__ import absolute_import
from __future__ import print_function

import os
import sys

# we need to import python modules from the $SUMO_HOME/tools directory
try:
    sys.path.append(os.path.join(os.environ.get("SUMO_HOME", os.path.join(
        os.path.dirname(__file__), "..", "..", "..", "..")), "tools"))
except ImportError:
    sys.exit("please declare environment variable 'SUMO_HOME'")
import traci
from sumolib import checkBinary

sumoBinary = checkBinary('sumo')
traci.start([sumoBinary,
             "-n", "input_net.net.xml",
             "--no-step-log"])

traci.vehicle.add("ego", "")
try:
    traci.vehicle.setParameter("ego", "carFollowModel.foobar", "42")
except traci.TraCIException:
    pass
traci.close()