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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 Affero General Public License as published
# by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with celcatsanitizer. If not, see <http://www.gnu.org/licenses/>.
from django.utils import timezone
import datetime
import re
def get_current_week():
return timezone.now().isocalendar()[:2]
def get_current_or_next_week():
year, week, day = timezone.now().isocalendar()
if day >= 6:
year, week, _ = (timezone.now() + datetime.timedelta(weeks=1)).isocalendar()
return year, week
def get_week(year, week):
start = timezone.make_aware(datetime.datetime.strptime(
"{0}-W{1:02d}-1".format(year, week), "%Y-W%W-%w"))
end = start + datetime.timedelta(weeks=1)
return start, end
def group_courses(courses):
grouped_courses = []
for i, course in enumerate(courses):
if i == 0 or courses[i - 1].begin.day != course.begin.day:
grouped_courses.append([course])
else:
grouped_courses[-1].append(course)
return grouped_courses
def parse_group(name):
# Explication de la regex
#
# ^([\w ]+?)\s+((CM(\w))|(TD(\w)(\d))|(TP(\w)(\d)(\d)))?(\s\(.+\))?$
# ^ début de la ligne
# ([\w ]+?) correspond à au moins un caractère
# \s+ un ou plusieurs espaces
# ((CM(\w))| correspond à CM suivi d'une lettre ou…
# (TD(\w)(\d))| … à TD suivi d’une lettre et d'un chiffre ou…
# (TP(\w)(\d)(\d)) … à TP suivi d’une lettre et de deux chiffres
# )? groupe optionnel
# (\s un espace
# \(.+\)) un ou plusieurs caractères quelconques entre parenthèses
# ? groupe optionnel
# $ fin de la ligne
group_regex = re.compile("^([\w ]+?)\s+((CM(\w))|(TD(\w)(\d))|(TP(\w)(\d)(\d)))?(\s\(.+\))?$")
search = group_regex.search(name)
if search is None:
return name, None, None, None
parts = search.groups()
if parts[1] is None: # Pas de groupe précis indiqué
return parts[0], None, None, None
elif parts[2] is not None: # Groupe de CM
return parts[0], parts[3], None, None
elif parts[4] is not None: # Groupe de TD
return parts[0], parts[5], parts[6], None
elif parts[7] is not None: # Groupe de TP
return parts[0], parts[8], parts[9], parts[10]
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