241 lines
8.1 KiB
Python
241 lines
8.1 KiB
Python
# chrono - agendas system
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# Copyright (C) 2016 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import unicode_literals
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import csv
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import datetime
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from django import forms
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from django.contrib.auth.models import Group
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from django.forms import ValidationError
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from django.utils import six
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from django.utils.encoding import force_text
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from django.utils.timezone import make_aware
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from django.utils.translation import ugettext_lazy as _
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from chrono.agendas.models import (Agenda, Event, MeetingType, TimePeriod, Desk,
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TimePeriodException, WEEKDAYS_LIST)
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from . import widgets
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DATETIME_OPTIONS = {
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'weekStart': 1,
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'autoclose': True,
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}
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class DateTimeWidget(widgets.DateTimeWidget):
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def __init__(self, *args, **kwargs):
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super(DateTimeWidget, self).__init__(*args, options=DATETIME_OPTIONS, **kwargs)
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class AgendaAddForm(forms.ModelForm):
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class Meta:
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model = Agenda
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fields = ['label', 'kind', 'edit_role', 'view_role']
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edit_role = forms.ModelChoiceField(
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label=_('Edit Role'), required=False,
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queryset=Group.objects.all().order_by('name'))
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view_role = forms.ModelChoiceField(
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label=_('View Role'), required=False,
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queryset=Group.objects.all().order_by('name'))
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class AgendaEditForm(AgendaAddForm):
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class Meta:
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model = Agenda
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fields = ['label', 'slug', 'edit_role', 'view_role', 'minimal_booking_delay', 'maximal_booking_delay']
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class EventForm(forms.ModelForm):
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class Meta:
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model = Event
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widgets = {
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'agenda': forms.HiddenInput(),
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'start_datetime': DateTimeWidget(),
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}
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exclude = ['full', 'meeting_type', 'desk']
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class NewMeetingTypeForm(forms.ModelForm):
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class Meta:
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model = MeetingType
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widgets = {
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'agenda': forms.HiddenInput(),
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}
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exclude = ['slug']
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class MeetingTypeForm(forms.ModelForm):
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class Meta:
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model = MeetingType
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widgets = {
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'agenda': forms.HiddenInput(),
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}
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exclude = []
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class TimePeriodAddForm(forms.Form):
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weekdays = forms.MultipleChoiceField(
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label=_('Days'),
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widget=widgets.WeekdaysWidget(),
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choices=WEEKDAYS_LIST)
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start_time = forms.TimeField(label=_('Start Time'), widget=widgets.TimeWidget())
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end_time = forms.TimeField(label=_('End Time'), widget=widgets.TimeWidget())
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def clean_end_time(self):
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if self.cleaned_data['end_time'] <= self.cleaned_data['start_time']:
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raise ValidationError(_('End time must come after start time.'))
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return self.cleaned_data['end_time']
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class TimePeriodForm(forms.ModelForm):
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class Meta:
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model = TimePeriod
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widgets = {
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'start_time': widgets.TimeWidget(),
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'end_time': widgets.TimeWidget(),
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'desk': forms.HiddenInput(),
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}
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exclude = []
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def clean_end_time(self):
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if self.cleaned_data['end_time'] <= self.cleaned_data['start_time']:
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raise ValidationError(_('End time must come after start time.'))
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return self.cleaned_data['end_time']
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class NewDeskForm(forms.ModelForm):
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class Meta:
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model = Desk
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widgets = {
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'agenda': forms.HiddenInput(),
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}
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exclude = ['slug', 'timeperiod_exceptions_remote_url']
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class DeskForm(forms.ModelForm):
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class Meta:
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model = Desk
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widgets = {
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'agenda': forms.HiddenInput(),
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}
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exclude = ['timeperiod_exceptions_remote_url']
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class TimePeriodExceptionForm(forms.ModelForm):
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class Meta:
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model = TimePeriodException
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fields = ['desk', 'start_datetime', 'end_datetime', 'label']
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widgets = {
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'desk': forms.HiddenInput(),
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'start_datetime': DateTimeWidget(),
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'end_datetime': DateTimeWidget(),
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}
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def clean_end_datetime(self):
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if self.cleaned_data['end_datetime'] <= self.cleaned_data['start_datetime']:
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raise ValidationError(_('End datetime must be greater than start datetime.'))
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return self.cleaned_data['end_datetime']
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class ImportEventsForm(forms.Form):
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events_csv_file = forms.FileField(
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label=_('Events File'),
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required=True,
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help_text=_('CSV file with date, time, number of places, '
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'number of places in waiting list, and label '
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'as columns.'))
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events = None
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def clean_events_csv_file(self):
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content = self.cleaned_data['events_csv_file'].read()
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if b'\0' in content:
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raise ValidationError(_('Invalid file format.'))
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for charset in ('utf-8', 'iso-8859-15'):
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try:
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content = content.decode(charset)
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break
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except UnicodeDecodeError:
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continue
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# all byte-sequences are ok for iso-8859-15 so we will always reach
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# this line with content being a unicode string.
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try:
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dialect = csv.Sniffer().sniff(content)
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except csv.Error:
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dialect = None
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if six.PY3:
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utf_8_encoder = lambda x: x
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else:
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def utf_8_encoder(unicode_csv_data):
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for line in unicode_csv_data:
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yield line.encode('utf-8')
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events = []
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for i, csvline in enumerate(csv.reader(utf_8_encoder(content.splitlines()), dialect=dialect)):
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if not csvline:
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continue
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if len(csvline) < 3:
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raise ValidationError(_('Invalid file format. (line %d)') % (i+1))
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if i == 0 and csvline[0].strip('#') in ('date', 'Date', _('date'), _('Date')):
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continue
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event = Event()
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for datetime_fmt in ('%Y-%m-%d %H:%M', '%d/%m/%Y %H:%M',
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'%d/%m/%Y %Hh%M', '%Y-%m-%d %H:%M:%S', '%d/%m/%Y %H:%M:%S'):
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try:
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event_datetime = datetime.datetime.strptime(
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'%s %s' % tuple(csvline[:2]), datetime_fmt)
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except ValueError:
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continue
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event.start_datetime = make_aware(event_datetime)
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break
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else:
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raise ValidationError(_('Invalid file format. (date/time format, line %d)') % (i+1))
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try:
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event.places = int(csvline[2])
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except ValueError:
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raise ValidationError(_('Invalid file format. (number of places, line %d)') % (i+1))
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if len(csvline) >= 4:
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try:
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event.waiting_list_places = int(csvline[3])
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except ValueError:
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raise ValidationError(_('Invalid file format. (number of places in waiting list, line %d)') % (i+1))
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if len(csvline) >= 5:
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event.label = ' '.join([force_text(x) for x in csvline[4:]])
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events.append(event)
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self.events = events
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class ExceptionsImportForm(forms.ModelForm):
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class Meta:
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model = Desk
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fields = []
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ics_file = forms.FileField(label=_('ICS File'), required=False,
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help_text=_('ICS file containing events which will be considered as exceptions.'))
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ics_url = forms.URLField(label=_('URL'), required=False,
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help_text=_('URL to remote calendar which will be synchronised hourly.'))
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class AgendasImportForm(forms.Form):
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agendas_json = forms.FileField(label=_('Agendas Export File'))
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