Merge pull request #2401 from normanjaeckel/ChangeConfigManagementCommand

Added management command to change config values. Fixed #2400.

openslides/core/management/commands/changeconfig.py

@@ -0,0 +1,32 @@
+from django.core.management.base import BaseCommand, CommandError
+
+from openslides.core.config import config
+from openslides.core.exceptions import ConfigError, ConfigNotFound
+
+
+class Command(BaseCommand):
+    """
+    Command to change OpenSlides config values.
+    """
+    help = 'Changes OpenSlides config values.'
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            'key',
+            help='Config key. See config_variables.py in every app.'
+        )
+        parser.add_argument(
+            'value',
+            help='New config value. For a falsy boolean use "False".'
+        )
+
+    def handle(self, *args, **options):
+        if options['value'].lower() == 'false':
+            options['value'] = False
+        try:
+            config[options['key']] = options['value']
+        except (ConfigError, ConfigNotFound) as e:
+            raise CommandError(str(e))
+        self.stdout.write(
+            self.style.SUCCESS('Config {key} successfully changed to {value}.'.format(
+                key=options['key'], value=config[options['key']])))