gistfile1.py

import wx
def set_widget_value(widget,value):
    if hasattr(widget,"SetWidgetValue"):
        return widget.SetWidgetValue(value) 
    if isinstance(widget,wx.Choice):
       return widget.SetStringSelection(value)
    if hasattr(widget,"SetValue"):
        return widget.SetValue(value)
    if hasattr(widget,"SetLabel"):
        return widget.SetLabel(value)
    else:
       raise Exception("Unknown Widget Type : %r"%widget)

def get_widget_value(widget):
     if hasattr(widget,"GetWidgetValue"):
        return widget.GetWidgetValue() 
     if isinstance(widget,wx.Choice):
        return widget.GetStringSelection()
     if hasattr(widget,"GetValue"):
        return widget.GetValue()
     if hasattr(widget,"GetLabel"):
        return  widget.GetLabel()
     else:
       raise Exception("Unknown Widget Type : %r"%widget)

class WidgetManager(wx.Panel):
      def __init__(self,parent):
         self._parent = parent
         wx.Panel.__init__(self,parent,-1)
         self.CreateWidgets()
      def CreateWidgets(self):
         #create all your widgets here
         self.widgets = {}
      def SetWidgetValue(self,value):
         if isinstance(value,dict):
            for k,v in value.items():
               set_widget_value(self.widgets.get(k),v)
         else:
            raise Exception("Expected a dictionary but got %r"%value)
      def GetWidgetValue(self):
          return dict([(k,get_widget_value(v))for k,v in self.widgets])


class UserPanel(WidgetManager):
    def __init__(self,p):
        WidgetManager.__init__(self,p)
        self.SetSizer(self.DoLayout())
        self.Layout()
        self.Fit()
    def DoLayout(self):
        sz = wx.BoxSizer()
        sz.Add(self.widgets["username"],0,wx.ALL,25)
        return sz
    def CreateWidgets(self):
         #create all your widgets here
         self.widgets = {
            "username":wx.TextCtrl(self,-1,pos=(10,10))
         }


class MainPanel(UserPanel):
      def DoLayout(self):
        sz = wx.BoxSizer()
        sz.Add(self.widgets["userpanel"],0,wx.ALL,10)
      def CreateWidgets(self):
         #create all your widgets here
         self.widgets = {
            "userpanel":UserPanel(self)
         }
class MainFrame(wx.Frame):
      def __init__(self):
          wx.Frame.__init__(self,None,-1,"Test Frame!!!")
          self.main = MainPanel(self)
          self.Show()

a = wx.App(redirect=0)
mf = MainFrame()
mf.main.SetWidgetValue({"userpanel":{"username":"bob"}})
a.MainLoop()