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oscar.py
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oscar.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
Count election using the Academy Awards nominating rule
Copyright 2010 by Jonathan Lundell
This file is part of Droop.
Droop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Droop is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Droop. If not, see <http://www.gnu.org/licenses/>.
This is an approximation of the STV rule used by the Academy for
best-picture nominations. Some references:
http://www.thewrap.com/deal-central/column-post/revealed-how-oscar-nominee-ballots-are-counted-12279
http://oscarvotes123.blogspot.com/
http://insidemovies.ew.com/2011/01/27/oscar-voter-ballot-reader-poll-results/
According to these references, the quota is recalculated on each round,
and, at least after the first surplus distribution, candidates with less
than 1% of the vote are defeated.
'''
import sys, os
import Droop
import droop
def usage():
"oscar usage string"
return "usage: %s ballot_file" % os.path.basename(sys.argv[0])
if len(sys.argv) != 2:
print(usage(), file=sys.stderr)
sys.exit(1)
try:
print(Droop.main(dict(rule='wigm', path=sys.argv[1], arithmetic='fixed', precision=2, integer_quota=True, defeat_batch='zero')))
except (droop.common.UsageError, droop.common.ElectionError, droop.profile.ElectionProfileError) as err:
print("** oscar: %s" % err, file=sys.stderr)
print(usage(), file=sys.stderr)
sys.exit(1)
sys.exit(0)