mirror of
https://github.com/Ahp06/SUMO_Emissions.git
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285 lines
11 KiB
Python
285 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import sys
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if 'SUMO_HOME' in os.environ:
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TOOLSDIR = os.path.join(os.environ['SUMO_HOME'], 'tools')
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sys.path.append(TOOLSDIR)
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else:
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sys.exit("Please declare environment variable 'SUMO_HOME'")
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import argparse
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import datetime
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import json
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import logging
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import shutil
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import subprocess
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import tempfile
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import time
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from sys import argv
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from types import SimpleNamespace
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from xml.etree import ElementTree
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import randomTrips
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import sumolib
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# Absolute path of the directory the script is in
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SCRIPTDIR = os.path.dirname(__file__)
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TEMPLATEDIR = os.path.join(SCRIPTDIR, 'templates')
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SUMOBIN = os.path.join(os.environ['SUMO_HOME'], 'bin')
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# Init logger
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logfile = os.path.join(SCRIPTDIR, f'files/logs/configurator_{datetime.datetime.utcnow().isoformat()}.log')
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logging.basicConfig(
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filename=logfile,
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level=logging.DEBUG,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
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)
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"""
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Definition of vehicle classes.
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See http://sumo.dlr.de/wiki/Definition_of_Vehicles,_Vehicle_Types,_and_Routes#Abstract_Vehicle_Class
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"""
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vehicle_classes = {
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'passenger': {
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'--vehicle-class': 'passenger',
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'--vclass': 'passenger',
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'--prefix': 'veh',
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'--min-distance': 300,
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'--trip-attributes': 'departLane="best"',
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},
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'bus': {
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'--vehicle-class': 'bus',
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'--vclass': 'bus',
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'--prefix': 'bus',
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},
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'truck': {
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'--vehicle-class': 'truck',
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'--vclass': 'truck',
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'--prefix': 'truck',
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'--min-distance': 600,
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'--trip-attributes': 'departLane="best"',
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}
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}
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class RandomTripsGenerator:
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def __init__(self, netpath, routepath, output, vclass, density, *flags, **opts):
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self.vclass = vclass
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self.density = density
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self.options = {
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# Default options
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'--net-file': netpath,
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'--output-trip-file': output,
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'--route-file': routepath,
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**opts
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}
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self.flags = [*flags]
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edges = sumolib.net.readNet(netpath).getEdges()
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self._init_trips(edges, vclass, density)
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self.options.update(vehicle_classes[self.vclass])
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def generate(self):
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logging.info(f'Generating trips for vehicle class {self.vclass} with density of {self.density} veh/km/h')
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randomTrips.main(randomTrips.get_options(dict_to_list(self.options) + self.flags))
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def _init_trips(self, edges, vclass, density):
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"""
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:param edges: foo.rou.xml
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:param density: vehicle/km/h
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"""
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# calculate the total length of the available lanes
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length = 0.
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for edge in edges:
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if edge.allows(vclass):
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length += edge.getLaneNumber() * edge.getLength()
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logging.debug(f'density = {density}')
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period = 3600 / (length / 1000) / density
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logging.debug(f'Period computed for network : {period}, vclass={self.vclass}')
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self.options.update({'-p': period})
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class StoreDictKeyPair(argparse.Action):
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def __call__(self, parser, namespace, values, option_string=None):
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pairs = {}
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for kv in values:
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k, v = kv.split("=")
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pairs[k] = v
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setattr(namespace, self.dest, pairs)
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def load_netconvert_template(osm_input, out_name):
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netconfig = ElementTree.parse(os.path.join(TEMPLATEDIR, 'simul.netcfg'))
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root = netconfig.getroot()
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root.find('input/osm-files').set('value', osm_input)
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root.find('output/output-file').set('value', f'{out_name}.net.xml')
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root.find('report/log').set('value', f'{out_name}.netconvert.log')
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return netconfig
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def load_polyconvert_template(osm_file, type_file, scenario_name):
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polyconfig = ElementTree.parse(os.path.join(TEMPLATEDIR, 'simul.polycfg'))
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root = polyconfig.getroot()
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root.find('input/osm-files').set('value', osm_file)
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root.find('input/net-file').set('value', f'{scenario_name}.net.xml')
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root.find('input/type-file').set('value', type_file)
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root.find('output/output-file').set('value', f'{scenario_name}.poly.xml')
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root.find('report/log').set('value', f'{scenario_name}.polyconvert.log')
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return polyconfig
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def load_sumoconfig_template(simulation_name, routefiles=(), generate_polygons=False, seed=None):
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routefiles = routefiles or (f'{simulation_name}.rou.xml',)
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sumoconfig = ElementTree.parse(os.path.join(TEMPLATEDIR, 'simul.sumocfg'))
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root = sumoconfig.getroot()
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root.find('input/net-file').set('value', f'{simulation_name}.net.xml')
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root.find('input/route-files').set('value', ','.join(routefiles))
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additional = root.find('input/additional-files')
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if generate_polygons:
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additional.set('value', f'{simulation_name}.poly.xml')
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else:
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root.find('input').remove(additional)
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root.find('report/log').set('value', f'{simulation_name}.log')
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# Set the seed for the random number generator. By default, use the current time
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root.find('random_number/seed').set('value', seed or str(time.time()))
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return sumoconfig
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def generate_scenario(osm_file, out_path, scenario_name, generate_polygons=False):
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net_template = load_netconvert_template(osm_file, scenario_name)
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with tempfile.TemporaryDirectory() as tmpdirname:
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# Generate NETCONVERT configuration
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netconfig = os.path.join(tmpdirname, f'{scenario_name}.netcfg')
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net_template.write(netconfig)
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# Copy typemaps to tempdir
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shutil.copytree(os.path.join(TEMPLATEDIR, 'typemap'), os.path.join(tmpdirname, 'typemap'))
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# Call NETCONVERT
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logging.info("Generating network…")
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netconvertcmd = [os.path.join(SUMOBIN, 'netconvert'), '-c', netconfig]
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logging.debug(f'Calling {" ".join(netconvertcmd)}')
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subprocess.run(netconvertcmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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# Optionaly generate polygons
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if generate_polygons:
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generate_polygons_(osm_file, scenario_name, tmpdirname)
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# Move files to destination
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ignore_patterns = shutil.ignore_patterns('*.polycfg', '*.netcfg', 'typemap')
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shutil.copytree(tmpdirname, out_path, ignore=ignore_patterns)
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def generate_polygons_(osm_file, scenario_name, dest):
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polyconfig = os.path.join(dest, f'{scenario_name}.polycfg')
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poly_template = load_polyconvert_template(osm_file, 'typemap/osmPolyconvert.typ.xml', scenario_name)
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poly_template.write(polyconfig)
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# Call POLYCONVERT
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logging.info('Generating polygons…')
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polyconvert_cmd = [os.path.join(SUMOBIN, 'polyconvert'), '-c', polyconfig]
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logging.debug(f'Calling {" ".join(polyconvert_cmd)}')
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subprocess.run(polyconvert_cmd, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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def generate_mobility(out_path, name, vclasses):
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netfile = f'{name}.net.xml'
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netpath = os.path.join(out_path, netfile)
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output = os.path.join(out_path, f'{name}.trips.xml')
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routefiles = []
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end_time = 200
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for vclass, density in vclasses.items():
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# simname.bus.rou.xml, simname.passenger.rou.xml, ...
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routefile = f'{name}.{vclass}.rou.xml'
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routepath = os.path.join(out_path, routefile)
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routefiles.append(routefile)
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logging.debug(routefile)
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generator = RandomTripsGenerator(netpath, routepath, output, vclass, float(density))
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generator.flags.append('-l')
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generator.flags.append('--validate')
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generator.options.update(**{'--end': end_time})
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generator.generate()
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return routefiles
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def generate_sumo_configuration(routefiles, path, scenario_name, generate_polygons):
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sumo_template = load_sumoconfig_template(scenario_name, routefiles, generate_polygons)
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sumo_template.write(os.path.join(path, f'{scenario_name}.sumocfg'))
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def generate_all(args):
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simulation_name = args.name
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simulation_dir = os.path.join(args.path, simulation_name)
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try:
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generate_polygons = args.generate_polygons
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except AttributeError:
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generate_polygons = False
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osm_file = args.osmfile
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logs_dir = os.path.join(simulation_dir, 'log')
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generate_scenario(osm_file, simulation_dir, simulation_name, generate_polygons)
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routefiles = generate_mobility(simulation_dir, simulation_name, args.vclasses)
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generate_sumo_configuration(routefiles, simulation_dir, simulation_name, generate_polygons)
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# Move all logs to logdir
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move_logs(simulation_dir, logs_dir)
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def move_logs(simulation_dir, logs_dir):
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for f in os.listdir(simulation_dir):
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if os.path.splitext(f)[1] == '.log':
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shutil.move(os.path.join(simulation_dir, f), logs_dir)
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def dict_to_list(d):
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return [item for k in d for item in (k, d[k])]
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def parse_command_line(args=None):
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parser = argparse.ArgumentParser()
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parser.add_argument('osmfile', help='Path to the .osm file to convert to a SUMO simulation')
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parser.add_argument('--path', help='Where to generate the files')
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parser.add_argument('--name', required=True, help='Name of the SUMO scenario to generate')
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parser.add_argument('--generate-polygons', default=False, action='store_true',
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help='Whether to generate polygons and POIs (defaults to false).')
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parser.add_argument('--vclass', dest='vclasses', action=StoreDictKeyPair,
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nargs="+", metavar="VCLASS=DENSITY",
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help='Generate this vclass with given density, in pair form vclass=density. The density is '
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'given in vehicles per hour per kilometer. For now, the following vehicle classes are '
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'available: passenger, truck, bus.')
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parser.add_argument('--seed', help='Initializes the random number generator.')
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return parser.parse_args(args=args)
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def handle_args(options):
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# If no vehicle classes are specified, use 'passenger' as a default with a density of 10 cars/km/h.
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options.vclasses = options.vclasses or {'passenger': 10}
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# Delete simul_dir if it already exists
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simul_dir = os.path.join(options.path, options.name)
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if os.path.isdir(simul_dir):
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input(f'{simul_dir} already exists ! Press Enter to delete...')
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shutil.rmtree(simul_dir)
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logging.debug(f'Options : {options}')
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generate_all(options)
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def parse_json(json_file):
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logging.info(f'Loading config from {json_file}')
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config = SimpleNamespace(**json.load(json_file))
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logging.debug(f'Config {config}')
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return config
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if __name__ == '__main__':
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# Try to load the config file
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if len(argv) > 2 and argv[1] == '-c' or argv[1] == '--config' or argv[1] == '-config':
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try:
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with open(argv[2]) as jsonfile:
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config = parse_json(jsonfile)
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handle_args(config)
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except FileNotFoundError:
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msg = f'The config file {argv[2]} does not exist!'
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logging.fatal(msg)
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raise FileNotFoundError(msg)
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else:
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# Run with command line arguments
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config = parse_command_line()
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handle_args(config)
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