[PyQt] Poetry (and some versions of Pip) fail to install PyQt5-sip when installing PyQt5.11 from PyPi
phil at riverbankcomputing.com
Fri Dec 21 02:16:06 GMT 2018
On 20 Dec 2018, at 11:33 pm, jimbo1qaz <jimbo1qaz at gmail.com> wrote:
> Did my first email attempt get rejected because I wasn't subscribed?
> When installing PyQt5 5.11.3 via Poetry, I get an error when running Python and importing QtCore or QtGui:
> >>> from PyQt5 import QtCore
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> ModuleNotFoundError: No module named 'PyQt5.sip'
> I also experienced the same error when running `pip install .` (executes setup.py) on Appveyor. Maybe some versions of Pip/setuptools experience the same issue.
> The developer of Poetry diagnosed this issue:
> Basically the wheels for pyqt5 specify metadata in version 1.1 but their dependencies are declared using Requires-Dist which is only valid for the metadata specification 1.2+ this is why Poetry doesn't pick up pyqt5-sip.
> Will this packaging issue be resolved at some point?
Next release - this is the first I've heard of it.
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