Add management command to list required versions

docs/management.rst

@@ -102,6 +102,13 @@ list_ignored_checks
 Lists most frequently ignored checks. This can be useful for tuning your setup,
 if users have to ignore too many of consistency checks.
 
+list_versions
+-------------
+
+.. django-admin:: list_versions
+
+Lists versions of Weblate dependencies.
+
 loadpo <project|project/subproject>
 -----------------------------------
 

trans/management/commands/list_versions.py

+# -*- coding: utf-8 -*-
+#
+# Copyright © 2012 - 2013 Michal Čihař <michal@cihar.com>
+#
+# This file is part of Weblate <http://weblate.org/>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+from django.core.management.base import BaseCommand
+from trans.requirements import get_versions
+
+class Command(BaseCommand):
+    help = 'lists versions of required software components'
+
+    def handle(self, *args, **options):
+        '''
+        Prints versions of dependencies.
+        '''
+        for version in get_versions():
+            print ' * %s %s' % (
+                version[0],
+                version[2],
+            )

trans/tests/commands.py

@@ -22,6 +22,7 @@
 Tests for management commands.
 """
 
+from django.test import TestCase
 from trans.tests.models import RepoTestCase
 from django.core.management import call_command
 from django.core.management.base import CommandError
@@ -116,6 +117,11 @@ class ImportProjectTest(RepoTestCase):
         )
 
 
+class BasicCommandTest(TestCase):
+    def test_versions(self):
+        call_command('list_versions')
+
+
 class PeriodicCommandTest(RepoTestCase):
     def setUp(self):
         super(PeriodicCommandTest, self).setUp()