mirror of
https://gitlab.crans.org/bde/nk20
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59 lines
2.2 KiB
Python
59 lines
2.2 KiB
Python
# Copyright (C) 2018-2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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from argparse import ArgumentParser, FileType
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from django.core.management import BaseCommand
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from django.db import transaction
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from ...forms import CurrentSurvey
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class Command(BaseCommand):
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help = "Attribute to each first year member a bus for the WEI"
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def add_arguments(self, parser: ArgumentParser):
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parser.add_argument('--doit', '-d', action='store_true', help='Finally run the algorithm in non-dry mode.')
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parser.add_argument('--output', '-o', nargs='?', type=FileType('w'), default=self.stdout,
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help='Output file for the algorithm result. Default is standard output.')
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@transaction.atomic
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def handle(self, *args, **options):
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"""
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Run the WEI algorithm to attribute a bus to each first year member.
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"""
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sid = transaction.savepoint()
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algorithm = CurrentSurvey.get_algorithm_class()()
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try:
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from tqdm import tqdm
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del tqdm
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display_tqdm = True
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except ImportError:
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display_tqdm = False
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algorithm.run_algorithm(display_tqdm=display_tqdm)
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output = options['output']
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registrations = algorithm.get_registrations()
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per_bus = {bus: [r for r in registrations if 'selected_bus_pk' in r.information
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and r.information['selected_bus_pk'] == bus.pk]
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for bus in algorithm.get_buses()}
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for bus, members in per_bus.items():
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output.write(bus.name + "\n")
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output.write("=" * len(bus.name) + "\n")
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_order = -1
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for r in members:
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survey = CurrentSurvey(r)
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for _order, (b, _score) in enumerate(survey.ordered_buses()):
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if b == bus:
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break
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output.write(f"{r.user.username} ({_order + 1})\n")
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output.write("\n")
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if not options['doit']:
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self.stderr.write(self.style.WARNING("Running in dry mode. "
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"Use --doit option to really execute the algorithm."))
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transaction.savepoint_rollback(sid)
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return
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