Renamer

import os

#config
renameTableFile = 'D:\\Misc\\Projects\\Renamer\\renameTable.txt'
workingDirectory = 'D:\\Misc\\Projects\\Renamer'
#--- end config

renameTable = {}
with open(renameTableFile) as fp:
    for line in fp:
        splitLine = line.split()
        renameTable[splitLine[0]] = splitLine[1]


for root, dirs, files in os.walk(workingDirectory):
    for fname in files + dirs:
        absf = os.path.abspath(os.path.join(root, fname))
        if fname in renameTable:
            targetName = os.path.join(os.path.dirname(absf),renameTable[fname])
            os.rename(absf, targetName)
            print('Renamed: [' + absf + '] to [' + targetName + ']')