Add 'role' and 'affiliate' command to command system.

src/command_system/implementation/middleware.py

@@ -71,7 +71,7 @@ class ChatCommandProcessor(CommandProcessor):
         except CommandError, error:
             self.echo_error("%s: %s" % (error.name, error.message))
         except Exception:
-            self.echo_error("Error during command execution!")
+            self.echo_error(_("Error during command execution!"))
             print_exc()
         else:
             self.command_succeeded = True

src/command_system/implementation/standard.py

@@ -352,6 +352,30 @@ class StandardGroupChatCommands(CommandContainer):
             raise CommandError(_("Nickname not found"))
         self.connection.gc_set_role(self.room_jid, who, 'none', reason or str())
 
+    @command(raw=True)
+    @doc(_("""Set occupant role in group chat.
+    Role can be given as one of the following values:
+    moderator, participant, visitor, none"""))
+    def role(self, who, role):
+        if role not in ('moderator', 'participant', 'visitor', 'none'):
+            raise CommandError(_("Invalid role given"))
+        if not who in gajim.contacts.get_nick_list(self.account, self.room_jid):
+            raise CommandError(_("Nickname not found"))
+        self.connection.gc_set_role(self.room_jid, who, role)
+
+    @command(raw=True)
+    @doc(_("""Set occupant affiliation in group chat.
+    Affiliation can be given as one of the following values:
+    owner, admin, member, outcast, none"""))
+    def affiliate(self, who, affiliation):
+        if affiliation not in ('owner', 'admin', 'member', 'outcast', 'none'):
+            raise CommandError(_("Invalid affiliation given"))
+        if not who in gajim.contacts.get_nick_list(self.account, self.room_jid):
+            raise CommandError(_("Nickname not found"))
+        contact = gajim.contacts.get_gc_contact(self.account, self.room_jid, who)
+        self.connection.gc_set_affiliation(self.room_jid, contact.jid,
+            affiliation)
+
     @command
     @doc(_("Display names of all group chat occupants"))
     def names(self, verbose=False):

src/command_system/mapping.py

@@ -162,7 +162,7 @@ def adapt_arguments(command, arguments, args, opts):
                 try:
                     stopper, (start, end) = args[spec_len - 2]
                 except IndexError:
-                    raise CommandError("Missing arguments", command)
+                    raise CommandError(_("Missing arguments"), command)
 
                 # The essential point of the whole play. After
                 # boundaries are being determined (supposingly correct)
@@ -172,7 +172,7 @@ def adapt_arguments(command, arguments, args, opts):
                 raw = raw.strip() or None
 
                 if not raw and not command.empty:
-                    raise CommandError("Missing arguments", command)
+                    raise CommandError(_("Missing arguments"), command)
 
                 # Discard residual arguments and all of the options as
                 # raw command does not support options and if an option
@@ -192,7 +192,7 @@ def adapt_arguments(command, arguments, args, opts):
             if command.empty:
                 args.append((None, (0, 0)))
             else:
-                raise CommandError("Missing arguments", command)
+                raise CommandError(_("Missing arguments"), command)
 
     # The first stage of transforming options we have got to a format
     # that can be used to associate them with declared keyword
@@ -259,7 +259,7 @@ def adapt_arguments(command, arguments, args, opts):
             for arg, (spec_key, spec_value) in zip(overlapped, spec_kwargs):
                 opts.append((spec_key, arg))
         else:
-            raise CommandError("Excessive arguments", command)
+            raise CommandError(_("Excessive arguments"), command)
 
     # Detect every switch and ensure it will not receive any arguments.
     # Normally this does not happen unless overlapping is enabled.