--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cagou/backport/__init__.py	Fri Dec 06 13:23:03 2019 +0100
@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+
+# Cagou: desktop/mobile frontend for Salut à Toi XMPP client
+# Copyright (C) 2016-2019 Jérôme Poisson (goffi@goffi.org)
+
+# 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, either version 3 of the License, or
+# (at your option) any later version.
+
+# 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 <http://www.gnu.org/licenses/>.
+
+import kivy
+from sat.core import log as logging
+
+
+log = logging.getLogger(__name__)
+
+
+def do_backport():
+    version = tuple(kivy.parse_kivy_version(kivy.__version__)[0])
+    if version < (2, 0, 0):
+        log.info("installing backport for Carousel")
+        import sys
+        from kivy.uix import carousel  # NOQA
+        from . import carousel as carousel_backport
+        sys.modules['kivy.uix.carousel'] = carousel_backport
+    else:
+        log.info("Kivy >= 2.0.0 is used, Carousel backport is not needed anymore")