[enh] Allow to define deprecated action

locales/en.json

@@ -20,7 +20,8 @@
     "ldap_attribute_already_exists" : "Attribute '{attribute}' already exists with value '{value}'",
 
     "invalid_usage" : "Invalid usage, pass --help to see help",
-    "deprecated_command" : "'{prog} {old}' is deprecated and will be removed in the future, use '{prog} {new}' instead",
+    "deprecated_command" : "'{prog} {command}' is deprecated and will be removed in the future",
+    "deprecated_command_alias" : "'{prog} {old}' is deprecated and will be removed in the future, use '{prog} {new}' instead",
     "argument_required" : "Argument '{argument}' is required",
     "invalid_argument": "Invalid argument '{argument}': {error}",
     "pattern_not_match": "Does not match pattern",

moulinette/interfaces/__init__.py

@@ -446,6 +446,7 @@ class _ExtendedSubParsersAction(argparse._SubParsersAction):
 
     It also provides the following additional properties for parsers,
     e.g. using `subparsers.add_parser`:
+      - deprecated -- Wether the command is deprecated
       - deprecated_alias -- A list of deprecated command alias names
 
     """
@@ -457,7 +458,14 @@ class _ExtendedSubParsersAction(argparse._SubParsersAction):
         self._deprecated_command_map = {}
 
     def add_parser(self, name, **kwargs):
+        deprecated = kwargs.pop('deprecated', False)
         deprecated_alias = kwargs.pop('deprecated_alias', [])
+
+        if deprecated:
+            self._deprecated_command_map[name] = None
+            if 'help' in kwargs:
+                del kwargs['help']
+
         parser = super(_ExtendedSubParsersAction, self).add_parser(
             name, **kwargs)
 
@@ -477,10 +485,15 @@ class _ExtendedSubParsersAction(argparse._SubParsersAction):
         except KeyError:
             pass
         else:
-            # Warn the user and set the proper parser_name
-            logger.warning(m18n.g('deprecated_command', prog=parser.prog,
-                                  old=parser_name, new=correct_name))
-            values[0] = correct_name
+            # Warn the user about deprecated command
+            if correct_name is None:
+                logger.warning(m18n.g('deprecated_command', prog=parser.prog,
+                                      command=parser_name))
+            else:
+                logger.warning(m18n.g('deprecated_command_alias',
+                                      old=parser_name, new=correct_name,
+                                      prog=parser.prog))
+                values[0] = correct_name
 
         return super(_ExtendedSubParsersAction, self).__call__(
             parser, namespace, values, option_string)

moulinette/interfaces/cli.py

@@ -269,12 +269,13 @@ class ActionsMapParser(BaseActionsMapParser):
                 'title': "actions", 'required': True
         })
 
-    def add_action_parser(self, name, tid, action_help=None,
+    def add_action_parser(self, name, tid, action_help=None, deprecated=False,
                           deprecated_alias=[], **kwargs):
         """Add a parser for an action
 
         Keyword arguments:
             - action_help -- A brief description for the action
+            - deprecated -- Wether the action is deprecated
             - deprecated_alias -- A list of deprecated action alias names
 
         Returns:
@@ -282,6 +283,7 @@ class ActionsMapParser(BaseActionsMapParser):
 
         """
         return self._subparsers.add_parser(name, help=action_help,
+                                           deprecated=deprecated,
                                            deprecated_alias=deprecated_alias)
 
     def parse_args(self, args, **kwargs):