The docs for wheel tags seem to say that a tag can start with cp3- rather than py3- which would mark the wheel as compatible with any CPython version but not PyPy or any other alternative Python implementation. However, even though cp3-none-any is explicitly listed in that page, pip rejects a wheel with such a tag.
> pip download --no-dependencies pyperclip
> cp pyperclip-1.11.0-py3-none-any.whl pyperclip-1.11.0-cp3-none-any.whl
> pip install pyperclip-1.11.0-cp3-none-any.whl
ERROR: pyperclip-1.11.0-cp3-none-any.whl is not a supported wheel on this platform.
Is anyone able to tell me whether it’s pip or the docs or just my reading of them that’s wrong?
Ahh, found it. It worked in the days of pip 19 but was removed in pip 20.
> docker run -v "$(pwd):/io" -it python:3.4-alpine pip install /io/pyperclip-1.11.0-cp3-none-any.whl
DEPRECATION: Python 3.4 support has been deprecated. pip 19.1 will be the last one supporting it. Please upgrade your Python as Python 3.4 won't be maintained after March 2019 (cf PEP 429).
Processing /io/pyperclip-1.11.0-cp3-none-any.whl
Installing collected packages: pyperclip
Successfully installed pyperclip-1.11.0
You are using pip version 19.0.3, however version 19.1.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.