import os.path as path
from subprocess import call
import glob
import magic

m= magic.Magic()
def walkf(arg, dirname, files):
    for fn in files:
        if path.isfile(dirname+"/"+fn):
            flist.append(dirname+"/"+fn)
for i in range(150,-1, -1):    
    print "i=", i
    fl = filter(path.isdir, glob.glob("*"))
    if len(fl)>1:
        print "too many dirs"
        break    
    fd = fl[0]
    print "fd=", fd    
    call(["mv", fd, "tmp"]) 
    flist = []
    path.walk("tmp", walkf, None)
    print flist
    if len(flist)>1:
        print "too many files"
    f= flist[0]
    print f
    call(["mv", f, "x"])
    call(["rm", "-fr", "tmp"])
    fm = m.id_filename("x")
    print "magic", fm
    call(["7z", "x", "x"])
    if path.exists("x~"):
        if "tar" in m.id_filename("x~"):
            call(["tar", "xf", "x~"])
            call(['rm', "x~"])
        else:
            "????"
            break                
m.close()  

path.walk?