import os
import sys
import wx


class Panel1(wx.Panel) :
    def __init__(self, parent, *args, **kwargs) :
        wx.Panel.__init__(self, parent, wx.ID_ANY)

        b1a = self.SetButton("Button1-A")
        b1b = self.SetButton("Button1-B")
        layout = wx.BoxSizer(wx.VERTICAL)
        layout.Add(b1a, 2, flag=wx.EXPAND)
        layout.Add(b1b, 1, flag=wx.EXPAND)
        self.SetSizer(layout)

    def SetButton(self, Name) :
        return wx.Button(self, wx.ID_ANY, Name)

class Panel2(wx.Panel) :
    def __init__(self, parent, *args, **kwargs) :
        wx.Panel.__init__(self, parent, wx.ID_ANY)

        b2a = self.SetButton("Button2-A")
        b2b = self.SetButton("Button2-B")
        b2c = self.SetButton("Button2-C")
        bp1 = Panel1(self)

        layout = wx.BoxSizer(wx.VERTICAL)
        layout.Add(b2a, 3, flag=wx.EXPAND)
        layout.Add(b2b, 2, flag=wx.EXPAND)
        layout.Add(b2c, 4, flag=wx.EXPAND)
        layout.Add(bp1, 1, flag=wx.EXPAND)
        self.SetSizer(layout)

    def SetButton(self, Name) :
        return wx.Button(self, wx.ID_ANY, Name)



class IntegratePanel(wx.Panel) :
    def __init__(self, parent, *args, **kwargs) :
        wx.Panel.__init__(self, parent, wx.ID_ANY)

        bp1 = Panel1(self)
        bp2 = Panel2(self)

        layout = wx.BoxSizer(wx.HORIZONTAL)
        layout.Add(bp1, 3, flag=wx.EXPAND)
        layout.Add(bp2, 2, flag=wx.EXPAND)
        self.SetSizer(layout)


class MainFrame(wx.Frame) :
    def __init__(self) :
        super().__init__(None, title="Sizer")

        self.SetSize(1000,1000)
        self.SetMinSize((500, 500))
        self.Center(wx.BOTH)
        IntegratePanel(self)
        self.Show()

def main() :

    app = wx.App()
    frame = MainFrame()
    app.MainLoop()
    return

if __name__ == '__main__' :
    main()