Python:UnicodeDecodeError:'ascii'编解码器无法解码位置0的字节0xef:序数不在范围内(128)

问题描述

我的python 3代码目前有问题.

I'm currently have an issue with my python 3 code.

 replace_line('Products.txt', line, tenminus_str)

这是我要转换为utf-8的行，但是，当我尝试像与其他人一样执行此操作时，会出现诸如无属性的错误以及尝试添加时的错误……

Is the line I'm trying to turn into utf-8, however when I try to do this like I would with others, I get errors such as no attribute ones and when I try to add, for example...

.decode("utf8")

...到最后，我仍然收到它正在使用ascii的错误.我还尝试了与其他行一起使用的其他方法，例如添加io. infront并用

...to the end of it, I still get errors that it is using ascii. I also tried other methods that worked with other lines such as adding io. infront and adding a comma with

encoding = 'utf8'

我用于replace_line的函数是:

The function that I am using for replace_line is:

def replace_line(file_name, line_num, text):
    lines = open(file_name, 'r').readlines()
    lines[line_num] = text
    out = open(file_name, 'w')
    out.writelines(lines)
    out.close()

我将如何解决此问题?请注意，我是Python的新手，不够先进，无法很好地进行调试.

How would I fix this issue? Please note that I'm very new to Python and not advanced enough to do debugging well.

与重复"不同，此问题的解决方案

Different fix to this question than 'duplicate'

我现在对该函数有另一个错误.

EDIT 2:I have another error with the function now.

File "FILELOCATION", line 45, in refill replace_line('Products.txt', str(line), tenminus_str)

File "FILELOCATION", line 6, in replace_line lines[line_num] = text

TypeError: list indices must be integers, not str

这是什么意思，我该如何解决?

What does this mean and how do I fix it?

推荐答案

codecs模块正是您所需要的. 详细信息此处

codecs module is just what you need. detail here

import codecs
def replace_line(file_name, line_num, text):
    f = codecs.open(file_name, 'r', encoding='utf-8')
    lines = f.readlines()
    lines[line_num] = text
    f.close()
    w = codecs.open(file_name, 'w', encoding='utf-8')
    w.writelines(lines)
    w.close()

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