On 2018-08-19 08:26, Stefan Behnel wrote:
Should we make that a new directive rather than a language level? Like "py2_str=str"? That would allow its use together with language_level=3 already in the next release.
With a new new directive, you also run into compatibility problems. What should the default be? py2_str=str or py2_str=unicode? The former breaks code assuming that it's unicode and the latter doesn't really solve anything: stuff will still break when language_level=3 becomes the default.
My proposal is a new setting language_level=3str (meaning: everything that language_level=3 does, except unicode_literals) and make that the default. That way, you keep full compatibility with code already setting the language_level. You also have reasonably good chances that code that currently uses the implicit language_level=2 will continue to work with language_level=3str.
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