Show how options integrates with console

This is not functional at the moment, because all mutable options are still on
master.

mitmproxy/console/master.py

@@ -217,8 +217,10 @@ class ConsoleMaster(flow.FlowMaster):
 
     def __init__(self, server, options):
         flow.FlowMaster.__init__(self, server, ConsoleState())
+
         self.stream_path = None
         self.options = options
+        self.options.errored.connect(self.options_error)
 
         if options.replacements:
             for i in options.replacements:
@@ -298,6 +300,12 @@ class ConsoleMaster(flow.FlowMaster):
         self.__dict__[name] = value
         signals.update_settings.send(self)
 
+    def options_error(self, opts, exc):
+        signals.status_message.send(
+            message=str(exc),
+            expire=1
+        )
+
     def load_script(self, command, use_reloader=True):
         # We default to using the reloader in the console ui.
         return super(ConsoleMaster, self).load_script(command, use_reloader)

mitmproxy/console/options.py

@@ -140,6 +140,7 @@ class Options(urwid.WidgetWrap):
         )
         self.master.loop.widget.footer.update("")
         signals.update_settings.connect(self.sig_update_settings)
+        master.options.changed.connect(self.sig_update_settings)
 
     def sig_update_settings(self, sender):
         self.lb.walker._modified()

mitmproxy/console/statusbar.py

@@ -122,6 +122,7 @@ class StatusBar(urwid.WidgetWrap):
         self._w = urwid.Pile([self.ib, self.ab])
         signals.update_settings.connect(self.sig_update_settings)
         signals.flowlist_change.connect(self.sig_update_settings)
+        master.options.changed.connect(self.sig_update_settings)
         self.redraw()
 
     def sig_update_settings(self, sender):

mitmproxy/web/master.py

@@ -125,6 +125,7 @@ class Options(options.Options):
         "wsingleuser",
         "whtpasswd",
     ]
+
     def process_web_options(self, parser):
         if self.wsingleuser or self.whtpasswd:
             if self.wsingleuser: