def serve_hit(request,hid):
'''serve_hit runs the experiment after accepting a hit
:param hid: the hit id
:param wid: the worker id
:param aid: the assignment id
'''
# No robots allowed!
if request.user_agent.is_bot:
return render_to_response("turk/robot_sorry.html")
# Not allowed on tablet or phone
if request.user_agent.is_pc:
hit = get_hit(hid,request)
# Update the hit, only allow to continue if HIT is valid
hit.update()
if hit.status in ["D"]:
return render_to_response("turk/hit_expired.html")
battery = hit.battery
aws = get_amazon_variables(request)
if "" in [aws["worker_id"],aws["hit_id"]]:
return render_to_response("turk/error_sorry.html")
# Get Experiment Factory objects for each
worker = get_worker(aws["worker_id"])
check_battery_response = check_battery_view(battery, aws["worker_id"])
if (check_battery_response):
return check_battery_response
# This is the submit URL, either external or sandbox
host = get_host(hit)
# Only supporting chrome
if request.user_agent.browser.family != "Chrome":
return render_to_response("turk/browser_sorry.html")
# Try to get some info about browser, language, etc.
browser = "%s,%s" %(request.user_agent.browser.family,request.user_agent.browser.version_string)
platform = "%s,%s" %(request.user_agent.os.family,request.user_agent.os.version_string)
# Initialize Assignment object, obtained from Amazon, and Result
assignment,already_created = Assignment.objects.get_or_create(mturk_id=aws["assignment_id"],
worker=worker,
hit=hit)
# if the assignment is new, we need to set up a task to run when the worker time runs out to allocate credit
if already_created == True:
assignment.accept_time = datetime.now()
if hit.assignment_duration_in_hours != None:
assign_experiment_credit.apply_async([worker.id],countdown=360*(hit.assignment_duration_in_hours))
assignment.save()
# Does the worker have experiments remaining for the hit?
uncompleted_experiments = get_worker_experiments(worker,hit.battery)
experiments_left = len(uncompleted_experiments)
if experiments_left == 0:
# Thank you for your participation - no more experiments!
return render_to_response("turk/worker_sorry.html")
# if it's the last experiment, we will submit the result to amazon (only for surveys)
last_experiment = False
if experiments_left == 1:
last_experiment = True
task_list = select_experiments(battery,uncompleted_experiments)
experimentTemplate = ExperimentTemplate.objects.filter(exp_id=task_list[0].template.exp_id)[0]
experiment_type = get_experiment_type(experimentTemplate)
task_list = battery.experiments.filter(template=experimentTemplate)
template = "%s/mturk_battery.html" %(experiment_type)
# Generate a new results object for the worker, assignment, experiment
result,_ = Result.objects.update_or_create(worker=worker,
experiment=experimentTemplate,
assignment=assignment, # assignment has record of HIT
battery=hit.battery,
defaults={"browser":browser,"platform":platform})
result.save()
# Add variables to the context
aws["amazon_host"] = host
aws["uniqueId"] = result.id
# If this is the last experiment, the finish button will link to a thank you page.
if experiments_left == 1:
next_page = "/finished"
return deploy_battery(
deployment="docker-mturk",
battery=battery,
experiment_type=experiment_type,
context=aws,
task_list=task_list,
template=template,
next_page=None,
result=result,
last_experiment=last_experiment,
experiments_left=experiments_left-1
)
else:
return render_to_response("turk/error_sorry.html")
def serve_hit(request,hid):
next_page=None
uncompleted_experiments = None
result = None
# No robots allowed!
if request.user_agent.is_bot:
return render_to_response("robot_sorry.html")
if request.user_agent.is_pc:
hit = get_hit(hid,request)
battery = hit.battery
# This is the submit URL, either external or sandbox
host = get_host()
# An assignmentID means that the worker has accepted the task
assignment_id = request.GET.get("assignmentId","")
# worker has not accepted the task
if assignment_id in ["ASSIGNMENT_ID_NOT_AVAILABLE",""]:
template = "mturk_battery_preview.html"
task_list = [battery.experiments.all()[0]]
context = dict()
deployment = "docker-preview"
# worker has accepted the task
else:
template = "mturk_battery.html"
worker_id = request.GET.get("workerId","")
hit_id = request.GET.get("hitId","")
turk_submit_to = request.GET.get("turkSubmitTo","")
if "" in [worker_id,hit_id]:
return render_to_response("error_sorry.html")
# Get Experiment Factory objects for each
worker = get_worker(worker_id)
# Try to get some info about browser, language, etc.
browser = "%s,%s" %(request.user_agent.browser.family,request.user_agent.browser.version_string)
platform = "%s,%s" %(request.user_agent.os.family,request.user_agent.os.version_string)
deployment = "docker"
# Initialize Assignment object, obtained from Amazon, and Result
assignment,already_created = Assignment.objects.get_or_create(mturk_id=assignment_id,hit=hit,worker=worker)
# if the assignment is new, we need to set up a task to run when the worker time runs out to allocate credit
if already_created == False:
assign_experiment_credit.apply_async(countdown=hit.assignment_duration_in_seconds)
assignment.save()
# Does the worker have experiments remaining for the hit?
uncompleted_experiments = get_worker_experiments(worker,hit.battery)
if len(uncompleted_experiments) == 0:
# Thank you for your participation - no more experiments!
return render_to_response("worker_sorry.html")
task_list = select_random_n(uncompleted_experiments,1)
experimentTemplate = ExperimentTemplate.objects.filter(exp_id=task_list[0])[0]
task_list = battery.experiments.filter(template=experimentTemplate)
# Generate a new results object for the worker, assignment, experiment
result,_ = Result.objects.update_or_create(worker=worker,
experiment=experimentTemplate,
assignment=assignment, # assignment has record of HIT
battery=hit.battery,
defaults={"browser":browser,"platform":platform})
result.save()
context = {
"worker_id": worker_id,
"assignment_id": assignment_id,
"amazon_host": host,
"hit_id": hit_id,
"uniqueId":result.id
}
# If this is the last experiment, the finish button will link to a thank you page.
if len(uncompleted_experiments) == 1:
next_page = "/finished"
return deploy_battery(deployment=deployment,
battery=battery,
context=context,
task_list=task_list,
template=template,
uncompleted_experiments=uncompleted_experiments,
next_page=next_page,
result=result)
else:
return render_to_response("pc_sorry.html")
