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Mar 22nd, 2019
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  1. current_dir = os.getcwd() # 获取当前文件所处目录绝对路径, 方法一
  2. current_dir = os.path.dirname(__file__) # 获取当前文件所处目录绝对路径, 方法二
  3. partent_path = os.path.join(current_dir, os.pardir) # 拼接当前文件所处目录绝对路径与上层目录标识符 ".."
  4. parent_dir = os.path.abspath(partent_path) # 获取当前文件所处目录的上层目录的绝对路径
  5.  
  6. sys.path.append(parent_dir) # 将上层目录作为系统工作目录添加到 sys.path 中, 有点类似 windows 环境变量中的 path
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