XEP-0128: API changes

 - ``set_extended_info``, ``add_extended_info`` and ``del_extended_info`` return Futures.

2 files changed, 49 insertions, 6 deletions

diff --git a/docs/api/plugins/xep_0128.rst b/docs/api/plugins/xep_0128.rst
index 1e080928..ae6b4b3c 100644
--- a/docs/api/plugins/xep_0128.rst
+++ b/docs/api/plugins/xep_0128.rst
@@ -7,3 +7,36 @@ XEP-0128: Service Discovery Extensions
 .. autoclass:: XEP_0128
     :members:
     :exclude-members: session_bind, plugin_init, plugin_end
+
+Internal API methods
+--------------------
+
+
+
+.. glossary::
+
+    add_extended_info
+        - **jid**: JID to set the extended info for
+        - **node**:  note to set the info at
+        - **ifrom**: unused
+        - **args**: A :class:`~.Form` or list of forms to add to the disco
+          extended info for this JID/node.
+
+        Add extended info for a JID/node.
+
+    set_extended_info
+        - **jid**: JID to set the extended info for
+        - **node**:  note to set the info at
+        - **ifrom**: unused
+        - **args**: A :class:`~.Form` or list of forms to set as the disco
+          extended info for this JID/node.
+
+        Set extended info for a JID/node.
+
+    del_extended_info
+        - **jid**: JID to delete the extended info from
+        - **node**:  note to delete the info from
+        - **ifrom**: unused
+        - **args**: unused
+
+        Delete extended info for a JID/node.
diff --git a/slixmpp/plugins/xep_0128/extended_disco.py b/slixmpp/plugins/xep_0128/extended_disco.py
index d0264caf..759e5efe 100644
--- a/slixmpp/plugins/xep_0128/extended_disco.py
+++ b/slixmpp/plugins/xep_0128/extended_disco.py
@@ -5,6 +5,7 @@
 # See the file LICENSE for copying permission.
 import logging
 
+from asyncio import Future
 from typing import Optional
 
 import slixmpp
@@ -53,37 +54,46 @@ class XEP_0128(BasePlugin):
         for op in self._disco_ops:
             self.api.register(getattr(self.static, op), op, default=True)
 
-    def set_extended_info(self, jid=None, node=None, **kwargs):
+    def set_extended_info(self, jid=None, node=None, **kwargs) -> Future:
         """
         Set additional, extended identity information to a node.
 
         Replaces any existing extended information.
 
+        .. versionchanged:: 1.8.0
+            This function now returns a Future.
+
         :param jid: The JID to modify.
         :param node: The node to modify.
         :param data: Either a form, or a list of forms to use
                      as extended information, replacing any
                      existing extensions.
         """
-        self.api['set_extended_info'](jid, node, None, kwargs)
+        return self.api['set_extended_info'](jid, node, None, kwargs)
 
-    def add_extended_info(self, jid=None, node=None, **kwargs):
+    def add_extended_info(self, jid=None, node=None, **kwargs) -> Future:
         """
         Add additional, extended identity information to a node.
 
+        .. versionchanged:: 1.8.0
+            This function now returns a Future.
+
         :param jid: The JID to modify.
         :param node: The node to modify.
         :param data: Either a form, or a list of forms to add
                      as extended information.
         """
-        self.api['add_extended_info'](jid, node, None, kwargs)
+        return self.api['add_extended_info'](jid, node, None, kwargs)
 
     def del_extended_info(self, jid: Optional[JID] = None,
-                          node: Optional[str] = None, **kwargs):
+                          node: Optional[str] = None, **kwargs) -> Future:
         """
         Remove all extended identity information to a node.
 
+        .. versionchanged:: 1.8.0
+            This function now returns a Future.
+
         :param jid: The JID to modify.
         :param node: The node to modify.
         """
-        self.api['del_extended_info'](jid, node, None, kwargs)
+        return self.api['del_extended_info'](jid, node, None, kwargs)