cli: helper method to retrieve profile's jid:

rel 369

sat_frontends/jp/base.py

@@ -697,7 +697,10 @@ class LiberviaCli:
             await self.bridge.bridgeConnect()
         except Exception as e:
             if isinstance(e, exceptions.BridgeExceptionNoService):
-                print(_("Can't connect to SàT backend, are you sure it's launched ?"))
+                print(
+                    _("Can't connect to Libervia backend, are you sure that it's "
+                      "launched ?")
+                )
                 self.quit(C.EXIT_BACKEND_NOT_FOUND, raise_exc=False)
             elif isinstance(e, exceptions.BridgeInitError):
                 print(_("Can't init bridge"))
@@ -968,6 +971,13 @@ class LiberviaCli:
                 return f"{_jid.bare}/{main_resource}"
         return param_jid
 
+    async def get_profile_jid(self):
+        """Retrieve current profile bare JID if possible"""
+        full_jid = await self.bridge.asyncGetParamA(
+            "JabberID", "Connection", profile_key=self.profile
+        )
+        return full_jid.rsplit("/", 1)[0]
+
 
 class CommandBase(object):