Batch MD5 naming files

# Coding = utf-8import osimport hashlibdef getfilemd5 (filename): If not OS. path. isfile (filename): Print (filename) return mymd5 = hashlib. MD5 () F = file (filename, 'rb') While true: B = f. read (8096) if not B: Break mymd5.update (B) F. close () return mymd5.hexdigest (). upper () def bianlidir (foldname): For parent, dirnames, filenames in OS. walk (foldname): For filename in filenames: Md = getfilemd5 (OS. path. join (parent, filename) OS. rename (OS. path. join (parent, filename), OS. path. join (parent, MD) # print (OS. path. join (parent, filename) print (bianlidir ('d:/download/fileanalysis '))