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'Str' object has no 'decode' attribute in Python3

I have a problem with the "decode" method in python 3.3.4. This is my code:

for lines in open('file','r'):
    decodedLine = lines.decode('ISO-8859-1')
    line = decodedLine.split('\t')

But I cannot decode the string for this problem:

AttributeError: 'str' object has no attribute 'decode'

Do you have any ideas? Thanks to

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3 answers


One encodes strings and one decodes bytes.

You have to read the bytes from the file and decode them:

for lines in open('file','rb'):
    decodedLine = lines.decode('ISO-8859-1')
    line = decodedLine.split('\t')


Fortunately, it open

has an encoding argument that makes this simple:

for decodedLine in open('file', 'r', encoding='ISO-8859-1'):
    line = decodedLine.split('\t')
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open

already decodes Unicode in Python 3 if you open it in text mode. If you want to open it as bytes so that you can decode then you need to open it with 'rb' mode.



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This works smoothly for me to read Chinese text in Python 3.6. First, we convert str to bytes and then decode them.

for l in open('chinese2.txt','rb'):
    decodedLine = l.decode('gb2312')
    print(decodedLine)
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