Upgrade to Django 3.2 (#2056)

src/pretix/plugins/paypal/apps.py

@@ -0,0 +1,63 @@
+#
+# This file is part of pretix (Community Edition).
+#
+# Copyright (C) 2014-2020 Raphael Michel and contributors
+# Copyright (C) 2020-2021 rami.io GmbH and contributors
+#
+# This program 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 in version 3 of the License.
+#
+# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
+# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
+# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
+# this file, see <https://pretix.eu/about/en/license>.
+#
+# This program 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 this program.  If not, see
+# <https://www.gnu.org/licenses/>.
+#
+
+# This file is based on an earlier version of pretix which was released under the Apache License 2.0. The full text of
+# the Apache License 2.0 can be obtained at <http://www.apache.org/licenses/LICENSE-2.0>.
+#
+# This file may have since been changed and any changes are released under the terms of AGPLv3 as described above. A
+# full history of changes and contributors is available at <https://github.com/pretix/pretix>.
+#
+# This file contains Apache-licensed contributions copyrighted by: Tobias Kunze
+#
+# Unless required by applicable law or agreed to in writing, software distributed under the Apache License 2.0 is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under the License.
+
+from django.apps import AppConfig
+from django.utils.functional import cached_property
+from django.utils.translation import gettext_lazy as _
+
+from pretix import __version__ as version
+
+
+class PaypalApp(AppConfig):
+    name = 'pretix.plugins.paypal'
+    verbose_name = _("PayPal")
+
+    class PretixPluginMeta:
+        name = _("PayPal")
+        author = _("the pretix team")
+        version = version
+        category = 'PAYMENT'
+        description = _("This plugin allows you to receive payments via PayPal")
+
+    def ready(self):
+        from . import signals  # NOQA
+
+    @cached_property
+    def compatibility_errors(self):
+        errs = []
+        try:
+            import paypalrestsdk  # NOQA
+        except ImportError:
+            errs.append("Python package 'paypalrestsdk' is not installed.")
+        return errs