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csv module and NULL data byte

On 2018-03-01, Tim Chase <python.list at tim.thechases.com> wrote:
> On 2018-02-28 21:38, Dennis Lee Bieber wrote:
>> > ??? with open( fname, 'rt', encoding='iso-8859-1' ) as csvfile:  
>> 	Pardon? Has the CSV module changed in the last year or so?
>> 	Last time I read the documentation, it was recommended that
>> the file be opened in BINARY mode ("rb").
> It recommends binary mode, but seems to largely work fine with
> text/ascii mode or even arbitrary iterables.  I've not seen the
> rationale behind the binary recommendation, but in 10+ years of using
> the csv module, I've not found any issues in using text/ascii mode
> that were solved by switching to using binary mode.

Binary mode was recommended for Python 2, but not 3, where you
open in text mode but use newline=''.

Neil Cerutti