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  Michael Behrisch
# @author  Daniel Krajzewicz
# @date    2011-03-04


from __future__ import print_function
from __future__ import absolute_import
import os
import sys
SUMO_HOME = os.environ.get('SUMO_HOME',
                           os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..', '..', '..', '..'))
sys.path.append(os.path.join(SUMO_HOME, 'tools'))
import traci  # noqa
import sumolib  # noqa

sumoBinary = sumolib.checkBinary('sumo')
conns = []
sumoProcess = []
try:
    for i in range(2):
        traci.start([sumoBinary, "-c", "sumo.sumocfg"], label=str(i))
        conns.append(traci.getConnection(str(i)))
    for c in conns:
        for step in range(3):
            print("step", step)
            c.simulationStep()
    for c in conns:
        print("routes", c.route.getIDList())
        print("route count", c.route.getIDCount())
        routeID = "horizontal"
        print("examining", routeID)
        print("edges", c.route.getEdges(routeID))
        c.route.subscribe(routeID)
    for c in conns:
        print(c.route.getSubscriptionResults(routeID))
        for step in range(3, 6):
            print("step", step)
            c.simulationStep(step)
            print(c.route.getSubscriptionResults(routeID))
        c.route.add("h2", ["1o"])
        print("routes", c.route.getIDList())
        print("edges", c.route.getEdges("h2"))
        c.close()
except Exception:
    traci.close()
    raise