rename script

rename.py

import os
prefix = 'landing__'

def visit(a, dir, files):
    dirname = os.path.abspath(dir)
    for fname in files:
        oldname = os.path.join(dirname, fname)
        if os.path.isdir(oldname):
            return
        newname = os.path.join(dirname, '{}{}'.format(prefix, fname))
        # print newname
        os.rename(os.path.join(dirname, fname), newname)

os.path.walk('./img', visit, None)