from os.path import join, isdir, islink
from os import error, listdir
# modified os.walk() function from Python 2.4 standard library
def walk2(top, topdown=True, onerror=None, deeplevel=0): # fix 0
"""Modified directory tree generator.
For each directory in the directory tree rooted at top (including top
itself, but excluding '.' and '..'), yields a 4-tuple
dirpath, dirnames, filenames, deeplevel
dirpath is a string, the path to the directory. dirnames is a list of
the names of the subdirectories in dirpath (excluding '.' and '..').
filenames is a list of the names of the non-directory files in dirpath.
Note that the names in the lists are just names, with no path components.
To get a full path (which begins with top) to a file or directory in
dirpath, do os.path.join(dirpath, name).
----------------------------------------------------------------------
+ deeplevel is 0-based deep level from top directory
----------------------------------------------------------------------
...
"""
try:
names = listdir(top)
except error, err:
if onerror is not None:
onerror(err)
return
dirs, nondirs = [], []
for name in names:
if isdir(join(top, name)):
dirs.append(name)
else:
nondirs.append(name)
if topdown:
yield top, dirs, nondirs, deeplevel # fix 1
for name in dirs:
path = join(top, name)
if not islink(path):
for x in walk2(path, topdown, onerror, deeplevel+1): # fix 2
yield x
if not topdown:
yield top, dirs, nondirs, deeplevel # fix 3
if __name__ == '__main__':
for top, dirs, files, deeplevel in walk2('.'):
print deeplevel, ':', top
