os.walk with followlinks=true on python 2.4

walk_with_links.py

def _walk(*args, **kwargs):

  for root,dirs,files in os.walk(*args, **kwargs):
    for dir in dirs:
      qualified_dir = os.path.join(root,dir)
      if os.path.islink(qualified_dir):
        for x in os.walk(qualified_dir, **kwargs):
          yield x
    yield (root, dirs, files)