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Lara CODECA
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Examples update
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‎examples/random.grid.example.py‎

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#!/usr/bin/env python3
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""" Example of usage of PyPML.
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Python Parking Monitor Library (PyPML)
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Copyright (C) 2018
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Lara CODECA
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import logging
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import os
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import sys
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import traceback
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from pypml import ParkingMonitor
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# """ Import SUMO library """
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if 'SUMO_TOOLS' in os.environ:
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sys.path.append(os.environ['SUMO_110_TOOLS'])
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import traci
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else:
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sys.exit("Please declare environment variable 'SUMO_TOOLS'")
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def _main():
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""" Example of parking management in SUMO. """
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## TESTED WITH: SUMO 1.1.0
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traci.start(['/home/drone/Applications/SUMO/sumo-1.1.0/bin/sumo',
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'-c', 'random_grid/random.sumocfg'], port=42041)
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## Running with the last-monday development version
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# traci.start(['sumo-gui', '-c', 'test_scenario/sumo.simple.cfg'], port=42041)
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parking_monitor_options = {
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'addStepListener': True,
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'logging': {
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'stdout': False,
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'filename': 'random.example.log',
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'level': logging.DEBUG,
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},
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'sumo_parking_file': 'random_grid/parkingArea.add.xml',
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'blacklist': [],
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'vclasses': {'delivery', 'motorcycle', 'passenger'},
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'generic_conf': [],
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'specific_conf': {},
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'subscriptions': {
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'only_parkings': True,
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},
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}
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monitor = ParkingMonitor(traci, parking_monitor_options, 383.0)
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# parking travel time structure initialized
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monitor.compute_parking_travel_time()
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while traci.simulation.getMinExpectedNumber() > 0:
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traci.simulationStep()
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## PARKING OPTIMIZATION
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for vehicle in monitor.get_vehicle_iterator():
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if vehicle['arrived']:
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## the vehicle is not in the simulation anymore
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continue
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if not vehicle['edge'] or ':' in vehicle['edge']:
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## the vehicle is on an intersection and the change would not be safe.
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continue
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if vehicle['stops']:
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_, _, stopping_place, stop_flags, _, _ = vehicle['stops'][0]
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if monitor.is_parking_area(stop_flags):
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### OPTIMIZE VEHICLE
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availability = monitor.get_free_places(stopping_place,
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vclass=vehicle['vClass'],
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with_projections=False,
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with_uncertainty=False)
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if availability < 1:
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alternatives = monitor.get_closest_parkings(stopping_place, num=25)
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for trtime, alt in alternatives:
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alt_availability = monitor.get_free_places(
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alt, vclass=vehicle['vClass'],
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with_projections=False, with_uncertainty=False)
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print(trtime, alt, alt_availability)
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if alt_availability > 1:
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## reroute vehicle
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route = None
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try:
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edge = monitor.get_parking_access(alt).split('_')[0]
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route = traci.simulation.findRoute(
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vehicle['edge'], edge, vType=vehicle['vClass'])
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except traci.exceptions.TraCIException:
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route = None
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if route and len(route.edges) >= 2:
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try:
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traci.vehicle.rerouteParkingArea(vehicle['id'], alt)
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print("""Vehicle {} is going to be rerouted from {} """
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"""[{}] to {} [{}].""".format(vehicle['id'],
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stopping_place,
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availability, alt,
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alt_availability))
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except traci.exceptions.TraCIException:
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print([monitor.get_parking_access(alt), route])
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raise
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break
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if __name__ == '__main__':
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## ======================== PROFILER ======================== ##
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import cProfile, pstats, io
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profiler = cProfile.Profile()
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profiler.enable()
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## ======================== PROFILER ======================== ##
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try:
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_main()
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except traci.exceptions.TraCIException:
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exc_type, exc_value, exc_traceback = sys.exc_info()
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traceback.print_exception(exc_type, exc_value, exc_traceback, limit=10, file=sys.stdout)
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finally:
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traci.close()
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## ======================== PROFILER ======================== ##
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profiler.disable()
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results = io.StringIO()
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pstats.Stats(profiler, stream=results).sort_stats('cumulative').print_stats(25)
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print(results.getvalue())
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## ======================== PROFILER ======================== ##

‎examples/simple.example.py‎

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""" Example of parking management in SUMO. """
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## TESTED WITH: SUMO 1.1.0
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# traci.start(['/home/drone/Applications/SUMO/sumo-1.1.0/bin/sumo',
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# '-c', 'test_scenario/sumo.simple.cfg'], port=42041)
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## Running with the last-monday development version
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traci.start(['sumo', '-c', 'test_scenario/sumo.simple.cfg'], port=42041)
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parking_monitor_options = {

‎examples/subscriptions.example.py‎

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""" Example of parking management in SUMO. """
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## TESTED WITH: SUMO 1.1.0
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# traci.start(['/home/drone/Applications/SUMO/sumo-1.1.0/bin/sumo',
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# '-c', 'test_scenario/sumo.subscriptions.cfg'], port=42042)
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## Running with the last-monday development version
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traci.start(['sumo', '-c', 'test_scenario/sumo.subscriptions.cfg'], port=42042)
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parking_monitor_options = {

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