Shell Programming and Scripting

Hi
I need some suggestion on glob function.
I am trying to write a python program to grep some specific files in a particular directory.
In the directory i have some files like below
abc.log
abc.pid
abc.tar
gadd.tar
gat.log
gat.tar
in this directory i need to grep onlu my hostname files, my host name is abc, so the output should be
abc.log
abc.pid
abc.tar

I have written the program as below

Code:

#!/usr/bin/python
import os, re, tty, sys, termios, glob, subprocess, time, socket
userhome = os.getenv( 'HOME')
host = socket.gethostname()
os.chdir(userhome+'/.orbit')
host_files = glob.glob(-------) ##here I got struck.

Please help me how to fill glob.glob line in the above coding

try something like this:

Code:

print glob.glob("abc.*")