, Python 2.4, , , , , , . , , , "" , .
# Note: untested
times_files = [(os.path.getctime(f),f) for f in glob.glob(bDir+'*.[Dd][Mm][Pp]')]
newest = max(timed_files)[1] # grab the filename back out of the "max" tuple
(, , , ), @jonrsharpe , sorted key, :
newest = sorted(glob.glob(bDir + '*.[Dd][Mm][Pp]'), key=os.path.getctime)[-1]