pip unable to find an extension of a lib.

Paul Moore p.f.moore at gmail.com
Fri Apr 12 03:48:35 EDT 2019


>From https://pypi.org/project/PyQt5-sip/#files, it looks like the
project only distributes wheels (no source archive). You don't say
what platform you're using, but if it's Linux, the fact that you have
a debug Python probably means you need a different ABI, so the
standard wheels that they provide aren't compatible. So if there's no
compatible wheel and no source, there's nothing that can be installed.

pip install -v pyqt5 might give you some more information about why
the files available are not being considered as suitable, but I think
the above is likely.

Paul

On Fri, 12 Apr 2019 at 06:44, dieter <dieter at handshake.de> wrote:
>
> Vincent Vande Vyvre <vincent.vande.vyvre at telenet.be> writes:
> > ...
> > Using Python-3.7.2 (compiled with --with-pydebug) in a venv, I've
> > encountered this problem:
> >
> > $ pip install --upgrade pip setuptools wheel
> > ....
> > Successfully installed setuptools-41.0.0 wheel-0.33.1
> > -------------------------------
> > ...
> > $ pip install pyqt5
> > ...
> > Collecting PyQt5_sip<4.20,>=4.19.14 (from pyqt5)
> >   Could not find a version that satisfies the requirement
> > PyQt5_sip<4.20,>=4.19.14 (from pyqt5) (from versions: )
> > No matching distribution found for PyQt5_sip<4.20,>=4.19.14 (from pyqt5)
> > ...
> > $ pip search pyqt5
> > ...
> > PyQt5-sip (4.19.15)               - Python extension module support
>
> There is a spelling difference: "PyQt5_sip" versus "PyQt5-sip" --
> not sure, however, whether this is important.
>
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