runner.py

#!/usr/bin/env python
# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
# Copyright (C) 2008-2026 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  Jakob Erdmann
# @date    2025-10-31

import os
import sys
if 'SUMO_HOME' in os.environ:
    tools = os.path.join(os.environ['SUMO_HOME'], 'tools')
    sys.path.append(tools)
else:
    sys.exit("please declare environment variable 'SUMO_HOME'")
import sumolib.xml  # noqa

infile, outfile = sys.argv[1:]
with open(outfile, 'w') as outf:
    outf.write('<meanData>\n')
    for interval in sumolib.xml.parse(sys.argv[1], "interval"):
        for e in interval.edge:
            e.setAttribute('flow', 3.6 * float(e.speed) * float(e.density))
        outf.write(interval.toXML(initialIndent=' ' * 4))

    outf.write('</meanData>\n')