Missing PyQt6-Qt6 6.1

Sat Apr 17 09:52:07 BST 2021

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

(Also, it looks like the beta Qt wheel vanished from
https://riverbankcomputing.com/pypi/simple/pyqt6/ again?)

Florian

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