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Wed May 25 18:04:17 CEST 2011 · https://mail.python.org/pipermail/python-dev/2011-May/111659.html

Le mercredi 25 mai 2011 à 13:10 +0200, Victor Stinner a écrit :
> codecs is always faster (between 1.07 and 1.15 times faster than io) to
> read the whole content of file using read(-1). Something should maybe be
> optimized in TextIOWrapper.read() ;-)

Oh, I understood: it's maybe the universal newline mode of TextIOWrapper
was enabled. If you disable is using open(..., newline='\n'), io and
codecs run at the same speed to read the whole content of the file
(f.read()).

Victor

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Showing content from https://mail.python.org/pipermail/python-dev/2011-May/111659.html below:

[Python-Dev] Deprecate codecs.open() and StreamWriter/StreamReader