ignore webchannel events received after webview deleted

thanks to David for the report
2017-08-07 13:12:47 +10:00 · 2017-08-07 13:12:47 +10:00 · b0213b9fd7
commit b0213b9fd7
parent 27f992c6b4
1 changed files with 5 additions and 0 deletions
--- a/aqt/webview.py
+++ b/aqt/webview.py
@ -224,6 +224,11 @@ body { zoom: %f; %s }
        openLink(url)

    def _onBridgeCmd(self, cmd):
+        # ignore webchannel messages that arrive after underlying webview
+        # deleted
+        if sip.isdeleted(self):
+            return
+
        if cmd == "domDone":
            self._domDone = True
            # run through any pending js calls