jp (file): print a message and quit if progress_id is not received

frontends/src/jp/cmd_file.py

@@ -59,7 +59,12 @@ class Send(base.CommandBase):
         """
         #FIXME: this show progress only for last progress_id
         self.disp(_(u"File request sent to {jid}".format(jid=self.full_dest_jid)), 1)
-        self.progress_id = data['progress']
+        try:
+            self.progress_id = data['progress']
+        except KeyError:
+            # TODO: if 'xmlui' key is present, manage xmlui message display
+            self.disp(_(u"Can't send file to {jid}".format(jid=self.full_dest_jid)), error=True)
+            self.host.quit(2)
 
     def error(self, failure):
         self.disp(_("Error while trying to send a file: {reason}").format(reason=failure), error=True)