python获取执行路径的方法

def current_path():      path=os.path.realpath(sys.path[0])      if os.path.isfile(path):          path=os.path.dirname(path)          return os.path.abspath(path)      else:          caller_file=inspect.stack()[1][1]          return os.path.abspath(os.path.dirname(caller_file))  

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http://blog.csdn.net/gukesdo/article/details/7101684