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# coding=utf-8
import os
"""
print os.listdir(os.getcwd()) # get dir all files
print os.path.dirname(__file__)，获取文件的父目录路径
print os.path.abspath(__file__) # get pwd获取绝对路径文件的.py
print os.path.dirname(os.path.abspath(__file__)) # get dir of pwd 获取绝度路径的父目录
print os.path.realpath(__file__) # get pwd 获取真实路径同绝对路径
print os.getcwd() # get current dir path 获取当前目录的父目录路径
路径走读：parent根目录，dirname文件的父目录集合，filenames文件集合
path = os.getcwd()
list1 = []
list2 = []
def os_walk():
for parent,dirnames,filenames in os.walk(path):
for dirname in dirnames :
dir = os.path.join(parent,dirname)
list1.append(dir)
for filename in filenames:
abs = os.path.join(parent, filename)
list2.append(abs)
print list1, "\n", list2, "\n", len(list2)
if __name__ == "__main__":
os_walk()
结果如下：
C:\Python27\python.exe C:/Users/Administrator/PycharmProjects/py3project/dffclassfunc/pathwalk.py
['C:\\Users\\Administrator\\PycharmProjects\\py3project\\dffclassfunc\\dir001']
['C:\\Users\\Administrator\\PycharmProjects\\py3project\\dffclassfunc\\clsmth_static_def.py', 'C:\\Users\\Administrator\\PycharmProjects\\py3project\\dffclassfunc\\pathwalk.py', 'C:\\Users\\Administrator\\PycharmProjects\\py3project\\dffclassfunc\\__init__.py', 'C:\\Users\\Administrator\\PycharmProjects\\py3project\\dffclassfunc\\dir001\\__init__.py']
4
Process finished with exit code 0
"""