import wx
import wx.lib.wxcairo


class Frame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None)
        mdc = wx.MemoryDC()
        bmp = wx.Bitmap(10, 10)
        mdc.SelectObject(bmp)

        context = wx.lib.wxcairo.ContextFromDC(mdc)


app = wx.App(redirect=False)
top = Frame()

top.Show()
app.MainLoop()