core, bridge: actionsGet:

- added a new mechanism to keep actions until they are answered (or timeout-ed)
    - keep_id must be explicitly used on actionNew
    - actionsGet is used to retrive these actions
    - the mechanism is used in deferXMLUI

frontends/src/bridge/DBus.py

@@ -123,6 +123,20 @@ class DBusBridgeFrontend(BridgeFrontend):
 
             return getPluginMethod
 
+    def actionsGet(self, profile_key="@DEFAULT@", callback=None, errback=None):
+        if callback is None:
+            error_handler = None
+        else:
+            if errback is None:
+                errback = log.error
+            error_handler = lambda err:errback(dbus_to_bridge_exception(err))
+        kwargs={}
+        if callback is not None:
+            kwargs['timeout'] = const_TIMEOUT
+            kwargs['reply_handler'] = callback
+            kwargs['error_handler'] = error_handler
+        return self.db_core_iface.actionsGet(profile_key, **kwargs)
+
     def addContact(self, entity_jid, profile_key="@DEFAULT@", callback=None, errback=None):
         if callback is None:
             error_handler = None