Do something with the file object (reading, writing). That's way too much bother for zero gain. source open('file.csv') target open('fileutf8.csv', 'w') target.write(unicode(source.read(), encoding). Along with the file name, specify: 'r' for reading in an existing file (default can be dropped), 'w' for creating a new file for writing, 'a' for appending new content to an existing file. Summary: Don't call encode or decode yourself when all you are doing is using them to process a homogeneous stream that's all of it in the same encoding. (If we release 3.9 in 2020, this PEP will applied to 3.10, although deprecation warning is raised from 3. I believe 2021 is not too early for this change.
Python 3 write to file utf 8 update#
See how much easier that is? Let the stream object handle any low-level encoding or decoding for you. Microsoft changed default text encoding of notepad.exe to UTF-8 from 2019 May Update I propose to change Python’s default text encoding too, from 2021.
Python 3 write to file utf 8 code#
Now if you the file you made, you’ll see that it says: $ cat /tmp/sample.utf8Īnd you can see that those are the right code points this way: $ uniquote -x /tmp/sample.utf With open("/tmp/sample.utf8", mode="w", encoding="utf8") as f:
if you’ve set the LANG or LCCTYPE environment variables if you haven’t, the default encoding is again UTF-8. On Unix systems, there will only be a filesystem encoding. You do not want to muck around with manually encoding each and every piece of data like that! Simply pass the encoding as an argument to open, like this: #!/usr/bin/env python3.2 Today Python is converging on using UTF-8: Python on MacOS has used UTF-8 for several versions, and Python 3.6 switched to using UTF-8 on Windows as well.
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