def walk_up(start_dir, depth=20):
    '''
    Walk up a directory tree
    '''
    root = start_dir

    for i in xrange(depth):
        contents = os.listdir(root)
        subdirs, files = [], []
        for f in contents:
            if os.path.isdir(os.path.join(root, f)):
                subdirs.append(f)
            else:
                files.append(f)

        yield root, subdirs, files

        parent = os.path.dirname(root)
        if parent and not parent == root:
            root = parent
        else:
            break
def walk_up(start_dir, depth=20):
    '''
    Walk up a directory tree
    '''
    root = start_dir

    for i in xrange(depth):
        contents = os.listdir(root)
        subdirs, files = [], []
        for f in contents:
            if os.path.isdir(os.path.join(root, f)):
                subdirs.append(f)
            else:
                files.append(f)

        yield root, subdirs, files

        parent = os.path.dirname(root)
        if parent and not parent == root:
            root = parent
        else:
            break
def walk_up ( start_dir , depth = 20 ) : root = start_dir for i in xrange ( depth ) : contents = os . listdir ( root ) subdirs , files = [ ] , [ ] for f in contents : if os . path . isdir ( os . path . join ( root , f ) ) : subdirs . append ( f ) else : files . append ( f ) yield root , subdirs , files parent = os . path . dirname ( root ) if parent and not parent == root : root = parent else : break
Walk up a directory tree
Walk up a directory tree