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from django.core.management.base import BaseCommand, CommandError
from django.db import transaction
from django.utils import timezone
from edt.models import Timetable, Group, Room, Course
from bs4 import BeautifulSoup
from ._private import delete_courses_in_week, get_events, get_weeks, get_xml, Week
import datetime
import requests
@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(soup, weeks_in_soup, year, week, timetable):
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()
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
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)))
self.stdout.write(self.style.SUCCESS("Done."))
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