def traverseDirByShell(path):
    for f in os.popen('ls ' + path):
        print f.strip()

def traverseDirByGlob(path):
    path = os.path.expanduser(path)
    for f in glob(path + '/*'):
        print f.strip()

def traverseDirByListdir(path):
    path = os.path.expanduser(path)
    for f in os.listdir(path):
        print f.strip()

def traverseDirByOSWalk(path):
    path = os.path.expanduser(path)
    for (dirname, subdir, subfile) in os.walk(path):
        #print('dirname is %s, subdir is %s, subfile is %s' % (dirname, subdir, subfile))
        print('[' + dirname + ']')
        for f in subfile:
            print(os.path.join(dirname, f))

#!/usr/bin/python
import os
from glob import glob

def printSeparator(func):
    def deco(path):
        print("call method %s, result is:" % func.__name__)
        print("-" * 40)
        func(path)
        print("=" * 40)
    return deco

@printSeparator
def traverseDirByShell(path):
    for f in os.popen('ls ' + path):
        print f.strip()

@printSeparator
def traverseDirByGlob(path):
    path = os.path.expanduser(path)
    for f in glob(path + '/*'):
        print f.strip()

@printSeparator
def traverseDirByListdir(path):
    path = os.path.expanduser(path)
    for f in os.listdir(path):
        print f.strip()

@printSeparator
def traverseDirByOSWalk(path):
    path = os.path.expanduser(path)
    for (dirname, subdir, subfile) in os.walk(path):
        #print('dirname is %s, subdir is %s, subfile is %s' % (dirname, subdir, subfile))
        print('[' + dirname + ']')
        for f in subfile:
            print(os.path.join(dirname, f))

if __name__ == '__main__':
    path = r'~/src/py'
    traverseDirByGlob(path)

    traverseDirByGlob(path)

    traverseDirByListdir(path)

    traverseDirByOSWalk(path)