[libvirt] is libvirt-python default in libvirt compilation from source?

I was trying to install libvirt 0.5.0 from source.. It seems it went well. but when i tried to import libvirt module in python i got error no module named libvirt then i searched entire system for libvirt.py then i came to know that python bindings for libvirt is not installed. is it that python bindings for libvirt not default in compilation....? if i have to install python bindings then what option should i use? i tried to find option from ./configure --help from libvirt source directory but i didnt get anything. Can any one help me in this. Thanks and Regards, Shan