类super()无法继承“ NameError:未定义名称'in_dir'

时间:2019-04-30 14:11:43

标签: python python-3.x class super

我正在尝试将输入目录路径从一个单独的脚本传递到主模块“ qc”中。

我第一次尝试在qc模块中将参数从父级传递给子级:

import os

class Data:

    def __init__(self, in_dir):

        # get all inputs
        self.in_dir = in_dir # get input directory

        # get files from input directory
        self.files = os.listdir(self.in_dir) # get file list


class LAS(Data):
    """Takes in log files from parent class Data's file list"""

    def __init__(self):

        # inherit the directory from Data parent
        super().__init__(LAS, in_dir)

        # target only the .las files in the directory
        ext_las = ['.las', '.LAS', '.Las', '.LAs']
        self.lasfiles = [lasfile for lasfile in self.files if any(match in lasfile for match in ext_las)]

    def out_las(self):
        return self.lasfiles

当我从单独的脚本中调用类时,它看起来像这样:

in_dir = 'C:\\......directory path...'

Data(in_dir=in_dir)

output = LAS().out_las()

哪个会引发错误:

  File "C:\......", line 62, in __init__
    super().__init__(LAS, in_dir)

NameError: name 'in_dir' is not defined

我不知道如何正确调用该父类的输入。

我做错了什么?

1 个答案:

答案 0 :(得分:1)

很难为您指明正确的方向,但是看起来您希望子类继承自父类的实例-事实并非如此。

以下内容可能会达到您的预期效果,希望对您有所帮助。

class LAS(Data):
    """Takes in log files from parent class Data's file list"""

    def __init__(self, in_dir):

        # inherit the directory from Data parent
        super().__init__(in_dir)

        # target only the .las files in the directory
        ext_las = ['.las', '.LAS', '.Las', '.LAs']
        self.lasfiles = [lasfile for lasfile in self.files if any(match in lasfile for match in ext_las)]

    def out_las(self):
        return self.lasfiles


las = LAS(in_dir='C:\\......directory path...')
output = las.out_las()