From e56d33badcb10b50d5dca1f2100ac6ce27d0f3ba Mon Sep 17 00:00:00 2001 From: Florian Bruhin Date: Wed, 23 Apr 2014 23:23:30 +0200 Subject: [PATCH] Check if handler is available for new mode --- qutebrowser/utils/modemanager.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/qutebrowser/utils/modemanager.py b/qutebrowser/utils/modemanager.py index c51b92ad7..1fb262cb5 100644 --- a/qutebrowser/utils/modemanager.py +++ b/qutebrowser/utils/modemanager.py @@ -94,6 +94,8 @@ class ModeManager(QObject): """ oldmode = self.mode logging.debug("Switching mode: {} -> {}".format(oldmode, mode)) + if mode not in self._handlers: + raise ValueError("No handler for mode {}".format(mode)) if oldmode is not None: self.leaved.emit(oldmode) self.mode = mode