Hi I'm making a gnome-hello example for my pygtutorial 
http://laguna.fmedic.unam.mx/~daniel/pygtutorial/
and I'm stuck with the libglade example.
I'm trying to do a gnome-hello like the one in my tutorial but with glade.

My problem is the following:
When I autoconect a handler, the handle is called ONLY with the callback
argument and the instance reference isn't passed at all.

PLEASE run the unfinished example I attached to see what I mean.
Select the menu "help" and clik in "about".

The example just instances a GnomeApp with a buton and menus.
My problem comes when I want to show a GnomeAbout I made with glade.
I try to do this selecting "about" in the "help" menu.
Even if I am in the SAME class the "on_about_cb" method can't reference
the  self.wtree which I need to show the GnomeAbout widget.
This is because the "on_about_cb" method only recieves the
argument callback but not the instance reference.
--------------- partial code ------------------------------------------
class Application:
    def __init__(self):
        self.hello = Hello()                     
        self.wtree = libglade.GladeXML('gnome-hello.glade')
        print "I instance self.wtree",self.wtree
        self.wtree.get_widget('app').connect("destroy", mainquit) 
        print "***Here is the dictionary ot the instance were I can see\
        self.wtree"
        print(self.__dict__)
        print "Here is the dictionary of the class were I can see\
        on_about_cb"
        print(Application.__dict__)
        self.wtree.signal_autoconnect(Application.__dict__)

    def on_about_cb(self,*args):
        print "This should contain the instance directory like in\
        ***",self
        print "This should contain the widget",args
        #self.wtree.get_widget('about_cb').show()
----------------------------------------------------------------------

The following code prints when I activate the "about..." menu:

----------------------------------------------------------------------
I instance self.wtree <libglade.GladeXML instance at 81cfb40>

***Here is the dictionary ot the instance were I can see self.wtree
{'wtree': <libglade.GladeXML instance at 81cfb40>, 'hello':
<__main__.Hello instance at 8209a50>}

Here is the dictionary of the class were I can see on_about_cb
{'__init__': <function __init__ at 81f20e0>, '__doc__': None,
'on_about_cb': <function on_about_cb at 8209a88>, '__module__':
'__main__'}

This should contain the instance directory like in *** <gtk.GtkBin
instance at 8263f98>

This should contain the pixmap ()
-----------------------------------------------------------------------

What I'm I doing wrong?

Note:
I'm not following the SkelImpl.py example because I don't understand his
Object Oriented paradigm. Methods should be with the class they belong to,
not all together in one "GladeHandlers" class.

Thanks
<?xml version="1.0"?>
<GTK-Interface>

<project>
  <name>gnome-hello</name>
  <program_name>gnome-hello</program_name>
  <directory></directory>
  <source_directory>src</source_directory>
  <pixmaps_directory>pixmaps</pixmaps_directory>
  <language>C</language>
  <gnome_support>True</gnome_support>
  <gettext_support>True</gettext_support>
  <use_widget_names>False</use_widget_names>
  <output_main_file>True</output_main_file>
  <output_support_files>True</output_support_files>
  <output_build_files>True</output_build_files>
  <backup_source_files>True</backup_source_files>
  <main_source_file>interface.c</main_source_file>
  <main_header_file>interface.h</main_header_file>
  <handler_source_file>callbacks.c</handler_source_file>
  <handler_header_file>callbacks.h</handler_header_file>
  <support_source_file>support.c</support_source_file>
  <support_header_file>support.h</support_header_file>
  <translatable_strings_file></translatable_strings_file>
</project>

<widget>
  <class>GnomeApp</class>
  <name>app</name>
  <signal>
    <name>destroy</name>
    <handler>on_app_destroy_cb</handler>
    <last_modification_time>Fri, 11 Feb 2000 06:15:24 GMT</last_modification_time>
  </signal>
  <title>gnome-hello</title>
  <type>GTK_WINDOW_TOPLEVEL</type>
  <position>GTK_WIN_POS_NONE</position>
  <modal>False</modal>
  <allow_shrink>False</allow_shrink>
  <allow_grow>True</allow_grow>
  <auto_shrink>False</auto_shrink>
  <enable_layout_config>True</enable_layout_config>

  <widget>
    <class>GnomeDock</class>
    <child_name>GnomeApp:dock</child_name>
    <name>dock</name>
    <allow_floating>True</allow_floating>
    <child>
      <padding>0</padding>
      <expand>True</expand>
      <fill>True</fill>
    </child>

    <widget>
      <class>GnomeDockItem</class>
      <name>dockitem</name>
      <border_width>2</border_width>
      <placement>GNOME_DOCK_TOP</placement>
      <band>0</band>
      <position>0</position>
      <offset>0</offset>
      <locked>False</locked>
      <exclusive>True</exclusive>
      <never_floating>False</never_floating>
      <never_vertical>True</never_vertical>
      <never_horizontal>False</never_horizontal>
      <shadow_type>GTK_SHADOW_OUT</shadow_type>

      <widget>
        <class>GtkMenuBar</class>
        <name>menubar1</name>
        <shadow_type>GTK_SHADOW_NONE</shadow_type>

        <widget>
          <class>GtkMenuItem</class>
          <name>file</name>
          <stock_item>GNOMEUIINFO_MENU_FILE_TREE</stock_item>

          <widget>
            <class>GtkMenu</class>
            <name>file_menu</name>

            <widget>
              <class>GtkPixmapMenuItem</class>
              <name>exit</name>
              <signal>
                <name>activate</name>
                <handler>on_exit_menu_activate</handler>
                <last_modification_time>Fri, 11 Feb 2000 06:30:00 
GMT</last_modification_time>
              </signal>
              <stock_item>GNOMEUIINFO_MENU_EXIT_ITEM</stock_item>
            </widget>
          </widget>
        </widget>

        <widget>
          <class>GtkMenuItem</class>
          <name>settings</name>
          <stock_item>GNOMEUIINFO_MENU_SETTINGS_TREE</stock_item>

          <widget>
            <class>GtkMenu</class>
            <name>settings_menu</name>

            <widget>
              <class>GtkPixmapMenuItem</class>
              <name>preferences</name>
              <signal>
                <name>activate</name>
                <handler>on_preferences_activate</handler>
                <last_modification_time>Fri, 11 Feb 2000 01:17:47 
GMT</last_modification_time>
              </signal>
              <stock_item>GNOMEUIINFO_MENU_PREFERENCES_ITEM</stock_item>
            </widget>
          </widget>
        </widget>

        <widget>
          <class>GtkMenuItem</class>
          <name>help</name>
          <stock_item>GNOMEUIINFO_MENU_HELP_TREE</stock_item>

          <widget>
            <class>GtkMenu</class>
            <name>help_menu</name>

            <widget>
              <class>GtkPixmapMenuItem</class>
              <name>about</name>
              <signal>
                <name>activate</name>
                <handler>on_about_cb</handler>
                <last_modification_time>Fri, 11 Feb 2000 08:48:35 
GMT</last_modification_time>
              </signal>
              <stock_item>GNOMEUIINFO_MENU_ABOUT_ITEM</stock_item>
            </widget>
          </widget>
        </widget>
      </widget>
    </widget>

    <widget>
      <class>GtkButton</class>
      <child_name>GnomeDock:contents</child_name>
      <name>gretting-buton</name>
      <can_focus>True</can_focus>
      <signal>
        <name>clicked</name>
        <handler>on_button4_clicked</handler>
        <last_modification_time>Fri, 11 Feb 2000 01:13:32 GMT</last_modification_time>
      </signal>
      <label>Press for a gretting</label>
    </widget>
  </widget>

  <widget>
    <class>GnomeAppBar</class>
    <child_name>GnomeApp:appbar</child_name>
    <name>appbar</name>
    <has_progress>True</has_progress>
    <has_status>True</has_status>
    <child>
      <padding>0</padding>
      <expand>True</expand>
      <fill>True</fill>
    </child>
  </widget>
</widget>

<widget>
  <class>GnomeDialog</class>
  <name>dialog</name>
  <visible>False</visible>
  <type>GTK_WINDOW_DIALOG</type>
  <position>GTK_WIN_POS_NONE</position>
  <modal>False</modal>
  <allow_shrink>False</allow_shrink>
  <allow_grow>False</allow_grow>
  <auto_shrink>False</auto_shrink>
  <auto_close>False</auto_close>
  <hide_on_close>False</hide_on_close>

  <widget>
    <class>GtkVBox</class>
    <child_name>GnomeDialog:vbox</child_name>
    <name>vbox1</name>
    <homogeneous>False</homogeneous>
    <spacing>8</spacing>
    <child>
      <padding>4</padding>
      <expand>True</expand>
      <fill>True</fill>
    </child>

    <widget>
      <class>GtkVBox</class>
      <name>vbox2</name>
      <homogeneous>False</homogeneous>
      <spacing>0</spacing>
      <child>
        <padding>0</padding>
        <expand>True</expand>
        <fill>True</fill>
      </child>

      <widget>
        <class>GtkHBox</class>
        <name>hbox1</name>
        <homogeneous>False</homogeneous>
        <spacing>0</spacing>
        <child>
          <padding>0</padding>
          <expand>True</expand>
          <fill>True</fill>
        </child>

        <widget>
          <class>GtkLabel</class>
          <name>gretting-question</name>
          <label>What is thee new greeting ?</label>
          <justify>GTK_JUSTIFY_CENTER</justify>
          <wrap>False</wrap>
          <xalign>0.5</xalign>
          <yalign>0.5</yalign>
          <xpad>0</xpad>
          <ypad>0</ypad>
          <child>
            <padding>0</padding>
            <expand>False</expand>
            <fill>False</fill>
          </child>
        </widget>
      </widget>

      <widget>
        <class>GtkEntry</class>
        <name>entry</name>
        <can_focus>True</can_focus>
        <editable>True</editable>
        <text_visible>True</text_visible>
        <text_max_length>0</text_max_length>
        <text></text>
        <child>
          <padding>0</padding>
          <expand>False</expand>
          <fill>False</fill>
        </child>
      </widget>
    </widget>

    <widget>
      <class>GtkHButtonBox</class>
      <child_name>GnomeDialog:action_area</child_name>
      <name>dialog-action_area1</name>
      <layout_style>GTK_BUTTONBOX_END</layout_style>
      <spacing>8</spacing>
      <child_min_width>85</child_min_width>
      <child_min_height>27</child_min_height>
      <child_ipad_x>7</child_ipad_x>
      <child_ipad_y>0</child_ipad_y>
      <child>
        <padding>0</padding>
        <expand>False</expand>
        <fill>True</fill>
        <pack>GTK_PACK_END</pack>
      </child>

      <widget>
        <class>GtkButton</class>
        <name>ok-button</name>
        <can_default>True</can_default>
        <can_focus>True</can_focus>
        <signal>
          <name>clicked</name>
          <handler>on_ok-button_clicked</handler>
          <last_modification_time>Fri, 11 Feb 2000 04:29:29 
GMT</last_modification_time>
        </signal>
        <stock_button>GNOME_STOCK_BUTTON_OK</stock_button>
      </widget>

      <widget>
        <class>GtkButton</class>
        <name>cancel-button</name>
        <can_default>True</can_default>
        <can_focus>True</can_focus>
        <stock_button>GNOME_STOCK_BUTTON_CANCEL</stock_button>
      </widget>
    </widget>
  </widget>
</widget>

<widget>
  <class>GnomeAbout</class>
  <name>about</name>
  <visible>False</visible>
  <modal>True</modal>
  <copyright>�1999-2000:May be distributed under the terms of the GPL</copyright>
  <authors>Daniel Kornhauser [EMAIL PROTECTED]
</authors>
  <comments>A simple gnome-hello example generated by galde</comments>
</widget>

</GTK-Interface>
#!/usr/bin/env python

from gtk import * 
from gnome.ui  import *
from gnome.config import *
import libglade

class Hello:
    def __init__(self):
        self.greeting = get_string('pygnome-hello-world/greeting/string')
        if (self.greeting == None): self.greeting = "Hello World"
        
    def print_greeting(self):
        print self.greeting

    def change_greeting(self,*args):
        self.greeting = args[0]
        set_string('pygnome_hello/greeting/string',self.greeting)
        sync()

class Application:
    def __init__(self):
        self.hello = Hello()                     
        self.wtree = libglade.GladeXML('gnome-hello.glade')
        print "I instance self.wtree",self.wtree
        self.wtree.get_widget('app').connect("destroy", mainquit) 
        print "\n***Here is the dictionary ot the instance were I can see  self.wtree"
        print(self.__dict__)
        print "\nHere is the dictionary of the class were I can see on_about_cb"
        print(Application.__dict__)
        self.wtree.signal_autoconnect(Application.__dict__)

    def on_about_cb(self,*args):
        print "\nself should contain the instance directory like in ***",self
        print "\narg should contain the widget",args
        #self.wtree.get_widget('about_cb').show()

if __name__ == '__main__': # Here starts the dynamic part of the program 
    app = Application()    # Instancing of the GUI   
    mainloop()


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