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Author methane
Recipients Arfrever, andyma, docs@python, ezio.melotti, methane, miss-islington, mjacob, ncoghlan, pitrou, sreepriya
Date 2020-06-18.01:42:25
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1592444545.89.0.299131215503.issue17110@roundup.psfhosted.org>
In-reply-to
Content 
There is no strict guarantee.

I think ASCII, UTF-8, latin1 with surrogateescape guarantee roundtrip.

Other legacy encodings like cp932 may not roundtrip. But it is not a huge problem because only Windows use them typically.
On Windows:

* wchar_t is used in most case, instead of fsencoding
* fsencoding is now UTF-8 by default

In other words, if you are using legacy encoding on Unix, it may be not roundtripping.
History
Date User Action Args
2020-06-18 01:42:25methanesetrecipients: + methane, ncoghlan, pitrou, ezio.melotti, Arfrever, docs@python, mjacob, sreepriya, andyma, miss-islington
2020-06-18 01:42:25methanesetmessageid: <1592444545.89.0.299131215503.issue17110@roundup.psfhosted.org>
2020-06-18 01:42:25methanelinkissue17110 messages
2020-06-18 01:42:25methanecreate