misc: add custom makemessages command to skip line numbers by default (#65383)

lingo/manager/management/commands/makemessages.py

@@ -0,0 +1,26 @@
+# lingo - payment and billing system
+# Copyright (C) 2022  Entr'ouvert
+#
+# 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/>.
+
+from django.core.management.commands import makemessages
+
+
+class Command(makemessages.Command):
+    xgettext_options = makemessages.Command.xgettext_options + ['--keyword=N_']
+
+    def handle(self, *args, **options):
+        if not options.get('add_location') and self.gettext_version >= (0, 19):
+            options['add_location'] = 'file'
+        return super().handle(*args, **options)