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from opendc.models.experiment import Experiment
from opendc.models.simulation import Simulation
from opendc.util import exceptions
from opendc.util.rest import Response
def GET(request):
"""Get this Simulation's Experiments."""
# Make sure required parameters are there
try:
request.check_required_parameters(
path={
'simulationId': 'int'
}
)
except exceptions.ParameterError as e:
return Response(400, e.message)
# Instantiate a Simulation from the database
simulation = Simulation.from_primary_key((request.params_path['simulationId'],))
# Make sure this Simulation exists
if not simulation.exists():
return Response(404, '{} not found.'.format(simulation))
# Make sure this user is authorized to view this Simulation's Experiments
if not simulation.google_id_has_at_least(request.google_id, 'VIEW'):
return Reponse(403, 'Forbidden from viewing Experiments for {}.'.format(simulation))
# Get and return the Experiments
experiments = Experiment.query('simulation_id', request.params_path['simulationId'])
return Response(
200,
'Successfully retrieved Experiments for {}.'.format(simulation),
[x.to_JSON() for x in experiments]
)
def POST(request):
"""Add a new Experiment for this Simulation."""
# Make sure required parameters are there
try:
request.check_required_parameters(
path={
'simulationId': 'int'
},
body={
'experiment': {
'simulationId': 'int',
'pathId': 'int',
'traceId': 'int',
'schedulerName': 'string',
'name': 'string'
}
}
)
except exceptions.ParameterError as e:
return Response(400, e.message)
# Make sure the passed object's simulation id matches the path simulation id
if request.params_path['simulationId'] != request.params_body['experiment']['simulationId']:
return Response(403, 'ID mismatch.')
# Instantiate a Simulation from the database
simulation = Simulation.from_primary_key((request.params_path['simulationId'],))
# Make sure this Simulation exists
if not simulation.exists():
return Response(404, '{} not found.'.format(simulation))
# Make sure this user is authorized to edit this Simulation's Experiments
if not simulation.google_id_has_at_least(request.google_id, 'EDIT'):
return Response(403, 'Forbidden from adding an experiment to {}.'.format(simulation))
# Instantiate an Experiment
experiment = Experiment.from_JSON(request.params_body['experiment'])
experiment.state = 'QUEUED'
experiment.last_simulated_tick = 0
# Try to insert this Experiment
try:
experiment.insert()
except exceptions.ForeignKeyError as e:
return Response(400, 'Foreign key constraint not met.' + e.message)
# Return this Experiment
experiment.read()
return Response(
200,
'Successfully added {}.'.format(experiment),
experiment.to_JSON()
)
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