Merge branch 'feature/show_config' into versions/next

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

HISTORY.rst

@@ -18,7 +18,9 @@
 * Increase the size of the workflow preview image.
 * Center the workflow preview image.
 * Move the noop OCR backend to the right place.
-
+* Add new management command to display the current configuration
+  settings.
+* Default the YAML flow format to False which never uses inline.
 
 3.1.7 (2018-10-14)
 ==================

mayan/apps/smart_settings/classes.py

@@ -92,16 +92,18 @@ class Setting(object):
         return result
 
     @classmethod
-    def dump_data(cls):
+    def dump_data(cls, filter_term=None, namespace=None):
         dictionary = {}
 
         for setting in cls.get_all():
-            if isinstance(setting.value, Promise):
-                dictionary[setting.global_name] = force_text(setting.value)
-            else:
-                dictionary[setting.global_name] = setting.value
+            if (namespace and setting.namespace.name == namespace) or not namespace:
+                if (filter_term and filter_term.lower() in setting.global_name.lower()) or not filter_term:
+                    if isinstance(setting.value, Promise):
+                        dictionary[setting.global_name] = force_text(setting.value)
+                    else:
+                        dictionary[setting.global_name] = setting.value
 
-        return yaml.safe_dump(dictionary)
+        return yaml.safe_dump(dictionary, default_flow_style=False)
 
     @classmethod
     def get(cls, global_name):

mayan/apps/smart_settings/management/commands/showsettings.py

@@ -0,0 +1,31 @@
+from __future__ import unicode_literals
+
+from django.core import management
+
+from ...classes import Setting
+
+
+class Command(management.BaseCommand):
+    help = 'Display the current settings.'
+
+    def add_arguments(self, parser):
+
+        parser.add_argument(
+            dest='filter_term', nargs='?', help='Use this term to filter the '
+            'list of settings.'
+        )
+
+        parser.add_argument(
+            '--namespace', action='store', dest='namespace',
+            help='Name (not label) of the namespace for which to filter the '
+            'list of settings. Names are lowercase with words separated by '
+            'underscore.'
+        )
+
+    def handle(self, *args, **options):
+        self.stdout.write(
+            Setting.dump_data(
+                namespace=options.get('namespace'),
+                filter_term=options.get('filter_term')
+            )
+        )