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# Copyright (C) 2017 Alban Gruin
#
# celcatsanitizer 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 2 of the License, or
# (at your option) any later version.
#
# celcatsanitizer 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 celcatsanitizer; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from django.core.management.base import BaseCommand
from django.db import transaction
from django.utils import timezone
from edt.models import Timetable, LastUpdate, Course
from ._private import delete_courses_in_week, get_events, get_weeks, get_xml
import datetime
@transaction.atomic
def process_timetable_week(timetable, year, week, soup, weeks_in_soup):
delete_courses_in_week(timetable, year, week)
for name, type_, groups, rooms, notes, begin, end in get_events(timetable, year, week, soup, weeks_in_soup):
course = Course.objects.create(timetable=timetable, begin=begin, end=end)
course.name = name
course.type = type_
course.notes = notes
course.groups.add(*groups)
if rooms is not None:
course.rooms.add(*rooms)
course.save()
date = timezone.make_aware(datetime.datetime.now())
try:
last_update = LastUpdate.objects.get(timetable=timetable, year=year, week=week)
last_update.date = date
except:
last_update = LastUpdate(timetable=timetable, year=year, week=week, date=date)
finally:
last_update.save()
def process_timetable(timetable, year, weeks):
soup = get_xml(timetable.url)
weeks_in_soup = get_weeks(soup)
for week in weeks:
process_timetable_week(timetable, year, week, soup, weeks_in_soup)
class Command(BaseCommand):
help = "Fetches registered celcat timetables"
def add_arguments(self, parser):
parser.add_argument("--week", type=int, choices=range(1, 54), nargs="+")
parser.add_argument("--year", type=int, nargs=1)
def handle(self, *args, **options):
year = None
errcount = 0
if options["week"] is None:
_, week, day = timezone.now().isocalendar()
if day >= 6:
year, week, _ = (timezone.now() + datetime.timedelta(weeks=1)).isocalendar()
weeks = [week]
else:
weeks = options["week"]
if options["year"] is None and year is None:
year = timezone.now().year
elif year is None:
year = options["year"][0]
for timetable in Timetable.objects.all():
self.stdout.write("Processing {0}".format(timetable))
try:
process_timetable(timetable, year, weeks)
except Exception as e:
self.stderr.write(self.style.ERROR("Failed to process {0}: {1}".format(timetable, e)))
errcount += 1
if errcount == 0:
self.stdout.write(self.style.SUCCESS("Done."))
else:
self.stdout.write(self.style.ERROR("Done with {0} errors.".format(errcount)))
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