Python - Glade + GTK.Builder

class CFlatGUI(object) :

    def __init__(self):

        self.builder = gtk.Builder()
        self.builder.add_from_file("CFlatGUI.glade")
        self.window = self.builder.get_object("application")

        # Connect the exit button to GTK's application quit handler
        if self.window:

            self.window.connect("destroy", gtk.main_quit)

        #################################
        # Create menu object References #
        #################################

        # Create menu File object references
        self.mnuFileNew = self.builder.get_object("mnuFileNew")
        self.mnuFileOpen = self.builder.get_object("mnuFileOpen")
        self.mnuFileSaveAs = self.builder.get_object("mnuFileSaveAs")
        self.mnuFileSave = self.builder.get_object("mnuFileSave")
        self.mnuFileQuit = self.builder.get_object("mnuFileQuit")

        # Create menu Edit object references
        self.mnuEditProperties = self.builder.get_object("mnuEditProperties")
        self.mnuEditPreferences = self.builder.get_object("mnuEditPreferences")

        # Create menu Record object references
        self.mnuRecordStart = self.builder.get_object("mnuRecordStart")
        self.mnuRecordCalibrate = self.builder.get_object("mnuRecordCalibrate")

        # Create menu Help object references
        self.mnuHelpAbout = self.builder.get_object("mnuHelpAbout")

        ###################################
        # Create dialog object References #
        ###################################

        # Create dialog Calibrate object references
        self.dlgCalibrate = self.builder.get_object("dlgCalibrate")
        self.btnCancel_Calibrate = self.builder.get_object("btnCancel_Calibrate")
        self.btnOK_Calibrate = self.builder.get_object("btnOK_Calibrate")

        # Create dialog Music Properties object references
        self.dlgMusicProperties = self.builder.get_object("dlgMusicProperties")
        self.btnCancel_Properties = self.builder.get_object("btnCancel_Properties")
        self.btnOK_Properties = self.builder.get_object("btnOK_Properties")

        # Create dialog New object references
        self.dlgNew = self.builder.get_object("dlgNew")
        self.btnCancel_New = self.builder.get_object("btnCancel_New")
        self.btnCreate_New = self.builder.get_object("btnCreate_New")

        # Create dialog Open object references
        self.dlgOpen = self.builder.get_object("dlgCOpen")
        self.btnCancel_Open = self.builder.get_object("btnCancel_Open")
        self.btnOpen_Open = self.builder.get_object("btnOpen_Open")

        # Create dialog Save / Save As object references
        self.dlgSave = self.builder.get_object("dlgSave")
        self.btnCancel_Save = self.builder.get_object("btnCancel_Save")
        self.btnSave_Save = self.builder.get_object("btnSave_Save")

        # Create dialog About object references
        self.dlgAbout = self.builder.get_object("dlgAbout")



        # Create a dictionary for event listeners
        event_dictionary = {

            "on_dlgCalibrate_close" : self.on_dlgCalibrate_close,
            "on_dlgCalibrate_response" : self.on_dlgCalibrate_response,

            "on_dlgMusicProperties_close" : self.on_dlgMusicProperties_close,
            "on_dlgMusicProperties_response" : self.on_dlgMusicProperties_response,

            "on_dlgNew_close" : self.on_dlgNew_close,
            "on_dlgNew_response" : self.on_dlgNew_response,

            "on_dlgOpen_close" : self.on_dlgOpen_close,
            "on_dlgOpen_response" : self.on_dlgOpen_response,

            "on_dlgSave_close" : self.on_dlgSave_close,
            "on_dlgSave_response" : self.on_dlgSave_response,

            "on_dlgAbout_close" : self.on_dlgAbout_close,

            "on_mnuFileNew_Click" : self.on_mnuFile_activate,
            "on_mnuFileOpen_Click" : self.on_mnuFile_activate,
            "on_mnuFileSaveAs_Click" : self.on_mnuFile_activate,
            "on_mnuFileSave_Click" : self.on_mnuFile_activate,
            "on_mnuFileQuit_Click" : self.on_mnuFile_activate,

            "on_mnuEditProperties_Click" : self.on_mnuEdit_activate,
            "on_mnuEditPreferences_Click" : self.on_mnuEdit_activate,

            "on_mnuRecordStart_Click" : self.on_mnuRecord_activate,
            "on_mnuRecordEnd_Click" : self.on_mnuRecord_activate,
            "on_mnuRecordCalibrate_Click" : self.on_mnuRecord_activate,

            "on_mnuHelpAbout" : self.on_mnuHelp_activate

        }

        # Connect all event signals from the dictionary to the application
        self.builder.connect_signals( event_dictionary )


    ##############################
    # Start of callback handlers #
    ##############################

    def on_dlgCalibrate_close(self, widget):
        print "on_btnCancel_Calibrate"
    def on_dlgCalibrate_response(self, widget):
        print "on_btnOK_Calibrate"

    def on_dlgMusicProperties_close(self, widget):
        print "on_btnCancel_Properties"
    def on_dlgMusicProperties_response(self, widget):
        print "on_btnOK_Properties"

    def on_dlgNew_close(self, widget):
        print "on_btnCancel_New"
    def on_dlgNew_response(self, widget):
        print "on_btnCreate_New"

    def on_dlgOpen_close(self, widget):
        print "on_btnCancel_Open"
    def on_dlgOpen_response(self, widget):
        print "on_btnOpen_Open"

    def on_dlgSave_close(self, widget):
        print "on_btnCancel_Save"
    def on_dlgSave_response(self, widget):
        print "on_btnSave_Save"

    def on_dlgAbout_close(self, widget):
        print "on_dlgAbout_close"
        self.dlgAbout.show() # BUT THIS DOES NOT SHOW ABOUT BOX!!!!! << --------------------------------


    def on_mnuFile_activate(self, widget):
        print widget.name
    def on_mnuEdit_activate(self, widget):
        print widget.name
    def on_mnuRecord_activate(self, widget):
        print widget.name
    def on_mnuHelp_activate(self, widget):
        print widget.name

app = CFlatGUI()
app.window.show() # Show the window
# app.dlgAbout.show() ## THIS UNCOMMENTED WILL SHOW ABOUT BOX!!!!    << --------------------------------
gtk.main()  # Loop that handles all GTK items such as signals


'''
ERROR MESSAGES


Warning (from warnings module):
  File "C:\Users\rucinskic\Dropbox\SeniorDesign\cflat\frontend\CFlatGUI.py", line 287
    self.builder.connect_signals( event_dictionary )
RuntimeWarning: missing handler 'on_mnuHelp_activate'

Warning (from warnings module):
  File "C:\Users\rucinskic\Dropbox\SeniorDesign\cflat\frontend\CFlatGUI.py", line 287
    self.builder.connect_signals( event_dictionary )
RuntimeWarning: missing handler 'on_mnuRecord_activate'

Warning (from warnings module):
  File "C:\Users\rucinskic\Dropbox\SeniorDesign\cflat\frontend\CFlatGUI.py", line 287
    self.builder.connect_signals( event_dictionary )
RuntimeWarning: missing handler 'on_mnuEdit_activate'

Warning (from warnings module):
  File "C:\Users\rucinskic\Dropbox\SeniorDesign\cflat\frontend\CFlatGUI.py", line 287
    self.builder.connect_signals( event_dictionary )
RuntimeWarning: missing handler 'on_mnuFile_activate'
'''