擅长:python、mysql、java
<blockquote>
<p>Should current Python projects list <code><4</code> in <code>python_requires</code> (setup.py) or not?</p>
</blockquote>
<p>不,它们不应该这样做,因为python4应该与python3.9向后兼容。别说了。需求说明符中的上界只对遵循<a href="https://semver.org/" rel="nofollow noreferrer">semver</a>或类似规则的项目真正有用。你知道吗</p>
<p><a href="https://www.curiousefficiency.org/posts/2014/08/python-4000.html" rel="nofollow noreferrer">Here is a core developer discussing Python 4</a>和向后兼容:</p>
<blockquote>
<p>My current expectation is that Python 4.0 will merely be "the release that comes after Python 3.9". That's it. No profound changes to the language, no major backwards compatibility breaks - going from Python 3.9 to 4.0 should be as uneventful as going from Python 3.3 to 3.4</p>
</blockquote>
<p>当Python4.0即将面世时,我们可以希望Python2已经死了,Python3将被称为“Python”。你知道吗</p>