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List: pykde
Subject: Re: Missing PyQt6-Qt6 6.1
From: Florian Bruhin <me () the-compiler ! org>
Date: 2021-04-17 9:52:45
Message-ID: 20210417095245.awvndfltnqjg2afu () aragog ! localdomain
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On Sat, Apr 17, 2021 at 10:18:17AM +0100, Phil Thompson wrote:
>
> On 17/04/2021 09:52, Florian Bruhin wrote:
> > On Fri, Apr 16, 2021 at 09:27:57AM +0100, Phil Thompson wrote:
> > >
> > > On 14/04/2021 13:02, Florian Bruhin wrote:
> > > > On Mon, Apr 12, 2021 at 06:16:56PM +0100, Phil Thompson wrote:
> > > > >
> > > > > On 08/04/2021 13:10, Florian Bruhin wrote:
> > > > > > Hey,
> > > > > >
> > > > > > I wanted to test my pytest-qt changes[1] with the last PyQt6 enum/flag
> > > > > > naming changes[2], but it looks like PyQt6 is currently uninstallable
> > > > > > from Riverbank's PyPI server:
> > > > > >
> > > > > > Looking in indexes: https://www.riverbankcomputing.com/pypi/simple/
> > > > > > Collecting PyQt6
> > > > > > Downloading
> > > > > > https://www.riverbankcomputing.com/pypi/packages/PyQt6/PyQt6-6.1.0.dev2104051108-cp36.cp37.cp38.cp39-abi3-manylinux_2_28_x86_64.whl
> > > > > > (6.7 MB)
> > > > > > Collecting PyQt6-Qt6
> > > > > > Using cached PyQt6_Qt6-6.0.2-py3-none-manylinux_2_28_x86_64.whl
> > > > > > (46.2 MB)
> > > > > > ERROR: Cannot install PyQt6-Qt6 and pyqt6==6.1.0.dev2104051108
> > > > > > because these package versions have conflicting dependencies.
> > > > > >
> > > > > > The conflict is caused by:
> > > > > > The user requested PyQt6-Qt6
> > > > > > pyqt6 6.1.0.dev2104051108 depends on PyQt6-Qt6>=6.1
> > > > > >
> > > > > > There's no PyQt6-Qt6>=6.1 on that server (neither on PyPI), which makes
> > > > > > sense because Qt 6.1 hasn't been released yet[3]. However, it looks like
> > > > > > PyQt6 has the requirement bumped already, and older snapshots are not
> > > > > > available anymore...
> > > > > >
> > > > > > Ideally, there'd be a PyQt6-Qt6 wheel on the PyPI snapshot server which
> > > > > > packages the latest Qt 6.1 Beta 2 (and soon 3), but I'd be happy with
> > > > > > any solution which actually lets me install/test snapshots :)
> > > > > >
> > > > > > (On a related note, I now have a nightly CI job[4] running my own
> > > > > > project's tests against PyQt from the snapshot server - only PyQt5 for
> > > > > > the moment until QtWebEngine is available with Qt 6, but after that, I
> > > > > > should be able to report potential regressions before releases due to
> > > > > > that)
> > > > >
> > > > > I think everything is now in place.
> > > >
> > > > Unfortunately I still can't install with a clean virtualenv:
> > > >
> > > > $ pip install --index-url
> > > > https://www.riverbankcomputing.com/pypi/simple/ --pre --upgrade PyQt6
> > > > Looking in indexes: https://www.riverbankcomputing.com/pypi/simple/
> > > > Collecting PyQt6
> > > > Downloading
> > > > https://www.riverbankcomputing.com/pypi/packages/PyQt6/PyQt6-6.1.0.dev2104101804-cp36.cp37.cp38.cp39-abi3-manylinux_2_28_x86_64.whl
> > > > (6.7 MB)
> > > > Downloading
> > > > https://www.riverbankcomputing.com/pypi/packages/PyQt6/PyQt6-6.1.0.dev2104051108-cp36.cp37.cp38.cp39-abi3-manylinux_2_28_x86_64.whl
> > > > (6.7 MB)
> > > > ERROR: Cannot install pyqt6==6.1.0.dev2104051108 and
> > > > pyqt6==6.1.0.dev2104101804 because these package versions have
> > > > conflicting dependencies.
> > > >
> > > > The conflict is caused by:
> > > > pyqt6 6.1.0.dev2104101804 depends on PyQt6-Qt6>=6.1
> > > > pyqt6 6.1.0.dev2104051108 depends on PyQt6-Qt6>=6.1
> > > >
> > > > To fix this you could try to:
> > > > 1. loosen the range of package versions you've specified
> > > > 2. remove package versions to allow pip attempt to solve the
> > > > dependency conflict
> > > >
> > > > ERROR: ResolutionImpossible: for help visit
> > > > https://pip.pypa.io/en/latest/user_guide/#fixing-conflicting-dependencies
> > > >
> > > > Looks like 6.1.0b3 doesn't match >=6.1:
> > > >
> > > > $ pip install --verbose --index-url
> > > > https://www.riverbankcomputing.com/pypi/simple/ --pre --upgrade
> > > > 'PyQt6-Qt6>=6.1'
> > > > [...]
> > > > Found link
> > > > https://www.riverbankcomputing.com/pypi/packages/PyQt6-Qt6/PyQt6_Qt6-6.1.0b3-py3-none-manylinux_2_28_x86_64.whl#md5=952f8fba31fc4515b8b3fe24e95978c4
> > > > (from https://www.riverbankcomputing.com/pypi/simple/pyqt6-qt6/),
> > > > version: 6.1.0b3
> > > > [...]
> > > > ERROR: Could not find a version that satisfies the requirement
> > > > PyQt6-Qt6>=6.1
> > > >
> > > > and indeed:
> > > >
> > > > > > > from pip._vendor.packaging.version import Version
> > > > > > > Version('6.1.0b3') >= Version('6.1')
> > > > False
> > > >
> > > > I'm not too familiar with PEP 440, but maybe PyQt6 should depend on
> > > > PyQt6-Qt6>=6.1dev or so?
> > > >
> > > > From what I understand that is equivalent to 6.1.dev0 and
> > > > gets sorted before any alpha/beta releases:
> > > >
> > > > https://www.python.org/dev/peps/pep-0440/
> > > >
> > > > Within a numeric release (1.0, 2.7.3), the following suffixes are
> > > > permitted and MUST be ordered as shown:
> > > >
> > > > .devN, aN, bN, rcN, <no suffix>, .postN
> > > >
> > > > thus:
> > > >
> > > > > > > from pip._vendor.packaging.version import Version
> > > > > > > Version('6.1.0b3') >= Version('6.1dev')
> > > > True
> > >
> > > I think this is all now fixed.
> >
> > No difference with PyQt6-6.1.0.dev2104161239 unfortunately:
> >
> > Looking in indexes: https://www.riverbankcomputing.com/pypi/simple/
> > Collecting PyQt6
> > Downloading
> > https://www.riverbankcomputing.com/pypi/packages/PyQt6/PyQt6-6.1.0.dev2104161239-cp36.cp37.cp38.cp39-abi3-manylinux_2_28_x86_64.whl
> > (6.7 MB)
> > > ████████████████████████████████| \
> > > 6.7 MB 1.6 MB/s
> > ERROR: Could not find a version that satisfies the requirement
> > PyQt6-Qt6>=6.1
> > ERROR: No matching distribution found for PyQt6-Qt6>=6.1
>
> The following pip command works for me...
>
> pip install --index-url https://www.riverbankcomputing.com/pypi/simple/
> --pre PyQt6
>
> ...the output of which is...
>
> Looking in indexes: https://www.riverbankcomputing.com/pypi/simple/
> Collecting PyQt6
> Downloading https://www.riverbankcomputing.com/pypi/packages/PyQt6/PyQt6-6.1.0.dev2104161239-cp36.cp37.cp38.cp39-abi3-manylinux_2_28_x86_64.whl
> (6.7 MB)
> > ████████████████████████████████| \
> > 6.7 MB 2.1 MB/s
> Collecting PyQt6-Qt6>=6.1.0b3
> Downloading https://www.riverbankcomputing.com/pypi/packages/PyQt6-Qt6/PyQt6_Qt6-6.1.0b3-py3-none-manylinux_2_28_x86_64.whl
> (46.5 MB)
> > ████████████████████████████████| \
> > 46.5 MB 1.7 MB/s
> Collecting PyQt6-sip<14,>=13.0
> Downloading https://www.riverbankcomputing.com/pypi/packages/PyQt6-sip/PyQt6_sip-13.0.2-cp39-cp39-manylinux1_x86_64.whl
> (285 kB)
> > ████████████████████████████████| \
> > 285 kB 2.4 MB/s
> Installing collected packages: PyQt6-sip, PyQt6-Qt6, PyQt6
> Successfully installed PyQt6-6.1.0.dev2104161239 PyQt6-Qt6-6.1.0b3
> PyQt6-sip-13.0.2
>
> > (Also, it looks like the beta Qt wheel vanished from
> > https://riverbankcomputing.com/pypi/simple/pyqt6/ again?)
>
> That's not where they are stored...
>
> https://www.riverbankcomputing.com/pypi/simple/pyqt6-qt6/
My bad, on both accounts. Works perfectly fine now, sorry for the noise!
I still had an explicit requirement on 'PyQt6-Qt6>=6.1' from trying to
figure out what the issue was earlier.
Thanks!
Florian
--
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