STINNER Victor added the comment: Oh, I like https://github.com/python/cpython/pull/1667/
"If write_through is True, calls to write() are guaranteed not to be buffered: any data written on the TextIOWrapper object is immediately handled to its underlying binary buffer." I didn't know write_through. It seems like it was introduced in Python 3.7: bpo-30526, commit 3c2817b6884a5fcf792197203f3c26b157210607. ---------- nosy: +haypo _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue30404> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com