url checks for add torrent

deluge/ui/gtkui/addtorrenturl.py

@@ -64,7 +64,7 @@ class AddTorrentUrl:
         self.response = self.dlg.run()
         url = self.entry.get_text()
         self.dlg.destroy()
-        if self.response == 1:
+        if self.response == 1 and deluge.common.is_url(url):
             return url
         else:
             return None

deluge/ui/gtkui/menubar.py

@@ -102,7 +102,9 @@ class MenuBar:
     def on_menuitem_addurl_activate(self, data=None):
         log.debug("on_menuitem_addurl_activate")
         from addtorrenturl import AddTorrentUrl
-        functions.add_torrent_url(AddTorrentUrl().run())
+        result = AddTorrentUrl().run()
+        if result is not None:
+            functions.add_torrent_url(result)
         
     def on_menuitem_clear_activate(self, data=None):
         log.debug("on_menuitem_clear_activate")