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+#
+# Example 2 - Using fl in python with callbacks.
+#
+# The form is named 'main_form' and resides on file 'test_cb.fd'.
+# It has three objects named button1, button2 and exitbutton.
+# All buttons have callbacks with the same names as their corresponding
+# buttons but with CB appended.
+#
+import fl		# The forms library
+import FL		# Symbolic constants for the above
+import flp		# The module to parse .fd files
+import sys
+
+# The following struct is created to hold the instance variables
+# main_form, button1, button2 and exitbutton.
+
+class myform():
+	#
+	# The init function parses and creates the form, but doesn't
+	# display it (yet).
+	def init(self, number):
+		#
+		# First we parse the form
+		parsetree = flp.parse_form('test_cb', 'main_form')
+		#
+		# Next we create it
+		
+		flp.create_full_form(self, parsetree)
+
+		# And keep our number
+		self.number = number
+		return self
+
+	#
+	# The show function displays the form. It doesn't do any interaction,
+	# though.
+	def show(self):
+		self.main_form.show_form(FL.PLACE_SIZE, 1, '')
+
+	# The callback functions
+	def button1CB(self, obj, arg):
+		print 'Button 1 pressed on form', self.number
+
+	def button2CB(self, obj, arg):
+		print 'Button 2 pressed on form', self.number
+
+	def exitbuttonCB(self, obj, arg):
+		print 'Ok, bye bye'
+		sys.exit(0)
+
+#
+# The main program. Instantiate two variables of the forms class
+# and interact with them.
+
+form1 = myform().init(1)
+form2 = myform().init(2)
+
+form1.show()
+form2.show()
+
+obj = fl.do_forms()
+print 'do_forms() returned. This should not happen. obj=', obj