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61 lines
2.5 KiB
Python
61 lines
2.5 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-today pretix GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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import datetime
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import sys
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from django.forms import Form
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from django.views.generic.detail import (
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BaseDetailView, SingleObjectTemplateResponseMixin,
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)
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from django.views.generic.edit import DeletionMixin, FormMixin
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def date_fromisocalendar(isoyear, isoweek, isoday):
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if sys.version_info < (3, 8):
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return datetime.datetime.strptime(f'{isoyear}-W{isoweek}-{isoday}', "%G-W%V-%u")
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else:
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return datetime.datetime.fromisocalendar(isoyear, isoweek, isoday)
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class CompatDeleteView(SingleObjectTemplateResponseMixin, DeletionMixin, FormMixin, BaseDetailView):
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"""
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This is a DeleteView variant that allows us to create subclasses that work on both Django 3.2 and
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Django 4.0.
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"""
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form_class = Form
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template_name_suffix = "_confirm_delete"
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def post(self, request, *args, **kwargs):
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# Set self.object before the usual form processing flow.
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# Inlined because having DeletionMixin as the first base, for
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# get_success_url(), makes leveraging super() with ProcessFormView
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# overly complex.
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self.object = self.get_object()
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form = self.get_form()
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if form.is_valid():
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return self.form_valid(form)
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else:
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return self.form_invalid(form)
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def form_valid(self, form):
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return self.delete(self.request, self.args, self.kwargs)
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