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from opendc.models.experiment import Experiment
from opendc.models.task_state import TaskState
from opendc.util import exceptions
from opendc.util.rest import Response
def GET(request):
"""Get this Experiment's Task States."""
# Make sure required parameters are there
try:
request.check_required_parameters(path={'experimentId': 'int'})
except exceptions.ParameterError as e:
return Response(400, e.message)
# Instantiate an Experiment from the database
experiment = Experiment.from_primary_key((request.params_path['experimentId'], ))
# Make sure this Experiment exists
if not experiment.exists():
return Response(404, '{} not found.'.format(experiment))
# Make sure this user is authorized to view Task States for this Experiment
if not experiment.google_id_has_at_least(request.google_id, 'VIEW'):
return Response(403, 'Forbidden from viewing Task States for {}.'.format(experiment))
# Get and return the Task States
if 'tick' in request.params_query:
task_states = TaskState.from_experiment_id_and_tick(request.params_path['experimentId'],
request.params_query['tick'])
else:
task_states = TaskState.query('experiment_id', request.params_path['experimentId'])
return Response(200, 'Successfully retrieved Task States for {}.'.format(experiment),
[x.to_JSON() for x in task_states])
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