Synaptic : Libglade for Python

[LinuxMurah.com]

Dear friends,

I have Python and Glade installed in my Breezy box. but when I run a
program containing :

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

always produce this error message:

breezy at ubuntu:~/Projects/project4$ python foo.py
Traceback (most recent call last):
  File "foo.py", line 6, in ?
    import libglade
ImportError: No module named libglade

It is clear that no libglade installed in my Breezy, so I search using
synaptic but there are no package named libglade for python. Could
somebody tell me what is the name of package that containing libglade
for python??? please....