On 2016-11-09 07:19:04 -0800 (-0800), John Villalovos wrote:
> Sort of related, what is the plan for supporting requirements which are
> Python 3 only packages?
>
> In particular the package: mypy-lang
> https://pypi.python.org/pypi/mypy-lang
[...]
If you only want mypy-lang installed when the interpreter is Python
3.3 or later (what their trove classifiers seem to imply for
supported versions), use the following environment marker syntax:
mypy-lang;python_version>='3.3'
(see dnspython3 in global-requirements.txt for a similar example)
https://pip.pypa.io/en/stable/reference/pip_install/#requirement-specifiers
https://www.python.org/dev/peps/pep-0426/#environment-markers
--
Jeremy Stanley
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