XEP-0027: API changes

- ``get_keyids`` and ``get_keyid`` are now coroutines.
- ``set_keyid`` and ``del_keyid`` now return a Future.

docs/api/plugins/xep_0027.rst

@@ -9,6 +9,48 @@ XEP-0027: Current Jabber OpenPGP Usage
     :exclude-members: session_bind, plugin_init, plugin_end
 
 
+Internal API methods
+--------------------
+
+The default API here is managing a JID→Keyid dict in-memory.
+
+.. glossary::
+
+    get_keyid
+        - **jid**: :class:`~.JID` to get.
+        - **node**: unused
+        - **ifrom**: unused
+        - **args**: unused
+        - **returns**: ``Optional[str]``, the keyid or None
+
+        Get the KeyiD for a JID, None if it is not found.
+
+    set_keyid
+        - **jid**: :class:`~.JID` to set the id for.
+        - **node**: unused
+        - **ifrom**: unused
+        - **args**: ``str``, keyid to set
+
+        Set the KeyiD for a JID.
+
+    del_keyid
+        - **jid**: :class:`~.JID` to delete from the mapping.
+        - **node**: unused
+        - **ifrom**: unused
+        - **args**: unused
+
+        Delete the KeyiD for a JID.
+
+    get_keyids
+        - **jid**: unused
+        - **node**: unused
+        - **ifrom**: unused
+        - **args**: unused
+        - **returns**: ``Dict[JID, str]`` the full internal mapping
+
+        Get all currently stored KeyIDs.
+
+
 Stanza elements
 ---------------
 

slixmpp/plugins/xep_0027/gpg.py

@@ -5,9 +5,11 @@
 # See the file LICENSE for copying permission.
 from slixmpp.thirdparty import GPG
 
+from asyncio import Future
+
 from slixmpp.stanza import Presence, Message
-from slixmpp.plugins.base import BasePlugin, register_plugin
-from slixmpp.xmlstream import ElementBase, register_stanza_plugin
+from slixmpp.plugins.base import BasePlugin
+from slixmpp.xmlstream import register_stanza_plugin
 from slixmpp.xmlstream.handler import Callback
 from slixmpp.xmlstream.matcher import StanzaPath
 from slixmpp.plugins.xep_0027 import stanza, Signed, Encrypted
@@ -32,6 +34,9 @@ def _extract_data(data, kind):
 
 
 class XEP_0027(BasePlugin):
+    """
+    XEP-0027: Current Jabber OpenPGP Usage
+    """
 
     name = 'xep_0027'
     description = 'XEP-0027: Current Jabber OpenPGP Usage'
@@ -122,16 +127,36 @@ class XEP_0027(BasePlugin):
         v = self.gpg.verify(template % (data, sig))
         return v
 
-    def set_keyid(self, jid=None, keyid=None):
-        self.api['set_keyid'](jid, args=keyid)
+    def set_keyid(self, jid=None, keyid=None) -> Future:
+        """Set a keyid for a specific JID.
 
-    def get_keyid(self, jid=None):
+        .. versionchanged:: 1.8.0
+            This function now returns a Future.
+        """
+        return self.api['set_keyid'](jid, args=keyid)
+
+    def get_keyid(self, jid=None) -> Future:
+        """Get a keyid for a jid.
+
+        .. versionchanged:: 1.8.0
+            This function now returns a Future.
+        """
         return self.api['get_keyid'](jid)
 
-    def del_keyid(self, jid=None):
-        self.api['del_keyid'](jid)
+    def del_keyid(self, jid=None) -> Future:
+        """Delete a keyid.
 
-    def get_keyids(self):
+        .. versionchanged:: 1.8.0
+            This function now returns a Future.
+        """
+        return self.api['del_keyid'](jid)
+
+    def get_keyids(self) -> Future:
+        """Get stored keyids.
+
+        .. versionchanged:: 1.8.0
+            This function now returns a Future.
+        """
         return self.api['get_keyids']()
 
     def _handle_signed_presence(self, pres):