You just need to literlize them with a forward slash.
" globber = '/home/zhomer/test/{dir1*,dir2*}/{subdir1,subdir2}'
globlist = glob.glob(globber) "
globber = '/home/zhomer/test/\{dir1*,dir2*\}/\{subdir1,subdir2\}'
globlist = glob.glob(globber)
See if that works for you.