Iterate through folders and files

walk.py

#!/usr/bin/env python2
import os

def callfn(fns, name, path, dry):
  if isinstance(fns, list):
    for fn in fns:
      if hasattr(fn, '__call__'):
        fn(name, path, dry)
  elif hasattr(fns, '__call__'):
    fns(name, path, dry)

def walkThrough(folderpath, fnfile=None, fndir=None, dry=False):
  import os
  for dirname, dirnames, filenames in os.walk(folderpath):
    if len(filenames) > 0:
      callfn(fnfile, filenames, dirname, dry)
    for dirn in dirnames:
      walkThrough(os.path.join(dirname, dirn), fnfile, fndir, dry)
      callfn(fndir, dirn, dirname, dry)
    break

# Usage:
# walkThrough('./folder', filesCallback, folderCallback, shouldrundry)
def printit(name, path, dry=False):
  print name

walkThrough('./folder', printit, None)
walkThrough('./folder', printit, printit)
walkThrough('./folder', [printit,printit], None, true)