#!/bin/env python
#-*- encoding=utf8 -*-

import os,sys

if __name__=="__main__":

  print "__file__=%s" % __file__

  print "os.path.realpath(__file__)=%s" % os.path.realpath(__file__)

  print "os.path.dirname(os.path.realpath(__file__))=%s" % os.path.dirname(os.path.realpath(__file__))
　　
  print "os.path.split(os.path.realpath(__file__))=%s" % os.path.split(os.path.realpath(__file__))[0]　　

  print "os.path.abspath(__file__)=%s" % os.path.abspath(__file__)

  print "os.getcwd()=%s" % os.getcwd()

  print "sys.path[0]=%s" % sys.path[0]

  print "sys.argv[0]=%s" % sys.argv[0]

D:\>python ./python_test/test_path.py
__file__=./python_test/test_path.py
os.path.realpath(__file__)=D:\python_test\test_path.py
os.path.dirname(os.path.realpath(__file__))=D:\python_test
os.path.split(os.path.realpath(__file__))=D:\python_test
os.path.abspath(__file__)=D:\python_test\test_path.py
os.getcwd()=D:\
sys.path[0]=D:\python_test
sys.argv[0]=./python_test/test_path.py

__file__是当前执行的文件

 

  # 获取当前文件__file__的路径

  print "os.path.realpath(__file__)=%s" % os.path.realpath(__file__)

  # 获取当前文件__file__的所在目录

  print "os.path.dirname(os.path.realpath(__file__))=%s" % os.path.dirname(os.path.realpath(__file__)) 　　
  # 获取当前文件__file__的所在目录

  print "os.path.split(os.path.realpath(__file__))=%s" % os.path.split(os.path.realpath(__file__))[0]