Article 30 code

# test1.py
#! /usr/bin/env python
# -*- python -*-

import sys

py2 = py30 = py31 = False
version = sys.hexversion
if version >= 0x020600F0 and version < 0x03000000 :
    py2 = True    # Python 2.6 or 2.7
    from Tkinter import *
    import ttk
elif version >= 0x03000000 and version < 0x03010000 :
    py30 = True
    from tkinter import *
    import ttk
elif version >= 0x03010000:
    py31 = True
    from tkinter import *
    import tkinter.ttk as ttk
else:
    print ("""
    You do not have a version of python supporting ttk widgets..
    You need a version >= 2.6 to execute PAGE modules.
    """)
    sys.exit()

def vp_start_gui():
    '''Starting point when module is the main routine.'''
    global val, w, root
    root = Tk()
    root.title('Test_Form')
    root.geometry('280x186+474+263')
    w = Test_Form (root)
    init()
    root.mainloop()

w = None
def create_Test_Form (root):
    '''Starting point when module is imported by another program.'''
    global w, w_win
    if w: # So we have only one instance of window.
        return
    w = Toplevel (root)
    w.title('Test_Form')
    w.geometry('280x186+474+263')
    w_win = Test_Form (w)
    init()
    return w_win

def destroy_Test_Form ():
    global w
    w.destroy()
    w = None

def Button1Click(p1) :
    sys.exit()

def init():
    pass

class Test_Form:
    def __init__(self, master=None):
        # Set background of toplevel window to match
        # current style
        style = ttk.Style()
        theme = style.theme_use()
        default = style.lookup(theme, 'background')
        master.configure(background=default)

        self.Button1 = Button (master)
        self.Button1.place(relx=0.43,rely=0.38,height=27,width=49)
        self.Button1.configure(activebackground="#f9f9f9")
        self.Button1.configure(text='''Exit''')
        self.Button1.bind('<Button-1>',Button1Click)

if __name__ == '__main__':
    vp_start_gui()

#############################################
# demos.py
#! /usr/bin/env python
# -*- python -*-

import sys

py2 = py30 = py31 = False
version = sys.hexversion
if version >= 0x020600F0 and version < 0x03000000 :
    py2 = True    # Python 2.6 or 2.7
    from Tkinter import *
    import ttk
elif version >= 0x03000000 and version < 0x03010000 :
    py30 = True
    from tkinter import *
    import ttk
elif version >= 0x03010000:
    py31 = True
    from tkinter import *
    import tkinter.ttk as ttk
else:
    print ("""
    You do not have a version of python supporting ttk widgets..
    You need a version >= 2.6 to execute PAGE modules.
    """)
    sys.exit()

def vp_start_gui():
    '''Starting point when module is the main routine.'''
    global val, w, root
    root = Tk()
    root.title('Demos')
    root.geometry('510x230+283+147')
    set_Tk_var()
    w = Demos (root)
    init()
    root.mainloop()

w = None
def create_Demos (root):
    '''Starting point when module is imported by another program.'''
    global w, w_win
    if w: # So we have only one instance of window.
        return
    w = Toplevel (root)
    w.title('Demos')
    w.geometry('510x230+283+147')
    set_Tk_var()
    w_win = Demos (w)
    init()
    return w_win

def destroy_Demos ():
    global w
    w.destroy()
    w = None

def set_Tk_var():
    # These are Tk variables used passed to Tkinter and must be
    # defined before the widgets using them are created.
    global rbc1
    rbc1 = StringVar()

    global rbc2
    rbc2 = StringVar()

def btnExitClicked(p1) :
    sys.exit()

def btnNormalClicked(p1) :
    print "Normal Button Clicked"

def btnSunkenClicked(p1) :
    print "Sunken Button Clicked"

def init():
    pass

class Demos:
    def __init__(self, master=None):
        # Set background of toplevel window to match
        # current style
        style = ttk.Style()
        theme = style.theme_use()
        default = style.lookup(theme, 'background')
        master.configure(background=default)

        self.Frame1 = Frame (master)
        self.Frame1.place(relx=0.02,rely=0.04,relheight=0.33,relwidth=0.97)
        self.Frame1.configure(relief=GROOVE)
        self.Frame1.configure(borderwidth="2")
        self.Frame1.configure(relief="groove")

        self.Label1 = Label (self.Frame1)
        self.Label1.place(relx=0.02,rely=0.13,height=19,width=51)
        self.Label1.configure(activebackground="#f9f9f9")
        self.Label1.configure(text='''Buttons''')

        self.Button1 = Button (self.Frame1)
        self.Button1.place(relx=0.34,rely=0.4,height=27,width=69)
        self.Button1.configure(activebackground="#f9f9f9")
        self.Button1.configure(text='''Normal''')
        self.Button1.bind('<Button-1>',btnNormalClicked)

        self.Button2 = Button (self.Frame1)
        self.Button2.place(relx=0.61,rely=0.4,height=27,width=72)
        self.Button2.configure(activebackground="#f9f9f9")
        self.Button2.configure(text='''Sunken''')
        self.Button2.bind('<Button-1>',btnSunkenClicked)

        self.Frame2 = Frame (master)
        self.Frame2.place(relx=0.02,rely=0.39,relheight=0.33,relwidth=0.97)
        self.Frame2.configure(relief=GROOVE)
        self.Frame2.configure(borderwidth="2")
        self.Frame2.configure(relief="groove")

        self.Radiobutton1 = Radiobutton (self.Frame2)
        self.Radiobutton1.place(relx=0.32,rely=0.13,relheight=0.28
                ,relwidth=0.14)
        self.Radiobutton1.configure(activebackground="#f9f9f9")
        self.Radiobutton1.configure(text='''radio 1''')
        self.Radiobutton1.configure(value="0")
        self.Radiobutton1.configure(variable=rbc1)

        self.Radiobutton2 = Radiobutton (self.Frame2)
        self.Radiobutton2.place(relx=0.32,rely=0.4,relheight=0.28,relwidth=0.14)

        self.Radiobutton2.configure(activebackground="#f9f9f9")
        self.Radiobutton2.configure(text='''radio 2''')
        self.Radiobutton2.configure(value="1")
        self.Radiobutton2.configure(variable=rbc1)

        self.Radiobutton3 = Radiobutton (self.Frame2)
        self.Radiobutton3.place(relx=0.61,rely=0.13,relheight=0.28
                ,relwidth=0.14)
        self.Radiobutton3.configure(activebackground="#f9f9f9")
        self.Radiobutton3.configure(text='''radio 3''')
        self.Radiobutton3.configure(value="0")
        self.Radiobutton3.configure(variable=rbc2)

        self.Radiobutton4 = Radiobutton (self.Frame2)
        self.Radiobutton4.place(relx=0.61,rely=0.4,relheight=0.28,relwidth=0.14)

        self.Radiobutton4.configure(activebackground="#f9f9f9")
        self.Radiobutton4.configure(text='''radio 4''')
        self.Radiobutton4.configure(value="1")
        self.Radiobutton4.configure(variable=rbc2)

        self.Label2 = Label (self.Frame2)
        self.Label2.place(relx=0.02,rely=0.13,height=19,width=88)
        self.Label2.configure(activebackground="#f9f9f9")
        self.Label2.configure(text='''Radio Buttons''')

        self.Button3 = Button (master)
        self.Button3.place(relx=0.45,rely=0.83,height=27,width=49)
        self.Button3.configure(activebackground="#f9f9f9")
        self.Button3.configure(text='''Exit''')
        self.Button3.bind('<Button-1>',btnExitClicked)

if __name__ == '__main__':
    vp_start_gui()