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June 11, 2014 04:03
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Extend HITs as assignments are completed
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#!/usr/bin/env python | |
"""Extend HITs as assignments are completed. | |
If a HIT takes up a lot of bandwidth, then you may only want to have a | |
few workers doing it at a time. This script monitors how many | |
assignments are currently being worked on, and as they are completed, | |
extends the HIT with new assignments until a specified upper limit is | |
reached. | |
The MIT License (MIT) | |
Copyright (c) 2014 Jessica B. Hamrick <jhamrick@berkeley.edu> | |
Permission is hereby granted, free of charge, to any person obtaining a copy | |
of this software and associated documentation files (the "Software"), to deal | |
in the Software without restriction, including without limitation the rights | |
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
copies of the Software, and to permit persons to whom the Software is | |
furnished to do so, subject to the following conditions: | |
The above copyright notice and this permission notice shall be included in | |
all copies or substantial portions of the Software. | |
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
THE SOFTWARE. | |
""" | |
import time | |
import datetime | |
import logging | |
from argparse import ArgumentParser, ArgumentDefaultsHelpFormatter | |
from boto.mturk.connection import MTurkConnection | |
logging.basicConfig(level="INFO", format="%(asctime)s -- %(message)s") | |
if __name__ == "__main__": | |
parser = ArgumentParser( | |
formatter_class=ArgumentDefaultsHelpFormatter) | |
parser.add_argument( | |
"hit", | |
metavar="HIT", | |
help="HIT id.") | |
parser.add_argument( | |
"concurrent", | |
metavar="NUM_CONCURRENT", | |
type=int, | |
help="Number of concurrent assignments.") | |
parser.add_argument( | |
"total", | |
metavar="NUM_TOTAL", | |
type=int, | |
help="Number of total assignments.") | |
parser.add_argument( | |
"-i", "--interval", | |
type=int, | |
default=60, | |
help="Number of seconds to wait before checking HIT again.") | |
parser.add_argument( | |
"-a", "--approve", | |
default=False, | |
action="store_true", | |
help="Whether to automatically approve submitted assignments.") | |
args = parser.parse_args() | |
# connect to turk | |
conn = MTurkConnection("aws_access_key_id", "aws_secret_access_key") | |
while True: | |
# get information about the HIT | |
hit, = conn.get_hit(args.hit, ['HITDetail', 'HITAssignmentSummary']) | |
total = int(hit.MaxAssignments) | |
pending = int(hit.NumberOfAssignmentsPending) | |
complete = int(hit.NumberOfAssignmentsCompleted) | |
available = int(hit.NumberOfAssignmentsAvailable) | |
logging.info( | |
"max:%s/pending:%s/complete:%s/remain:%s", | |
total, pending, complete, available) | |
# check if we have reached the total | |
if total >= args.total: | |
logging.info("MaxAssignments = %s, exiting", total) | |
break | |
# compute how many assignments are currently outstanding | |
current = available + pending | |
if current < args.concurrent: | |
diff = min(args.total - total, args.concurrent - current) | |
logging.info("Extending HIT with %s more assignments", diff) | |
conn.extend_hit(args.hit, assignments_increment=diff) | |
# get submitted assignments and approve them | |
if args.approve: | |
assignments = conn.get_assignments(args.hit, status="Submitted", page_size=100) | |
for assignment in assignments: | |
logging.info("Approving assignment %s", assignment.AssignmentId) | |
conn.approve_assignment(assignment.AssignmentId, feedback=None) | |
time.sleep(args.interval) |
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