Qt v6.2.0beta3 Wheels

[Florian Bruhin]

On Thu, Aug 26, 2021 at 03:19:36PM +0100, Phil Thompson wrote:
> 
> On 26/08/2021 15:14, Florian Bruhin wrote:
> > Hi,
> > 
> > On Fri, Aug 20, 2021 at 02:43:22PM +0100, Phil Thompson wrote:
> > > 
> > > On 20/08/2021 12:49, Florian Bruhin wrote:
> > > > Hi,
> > > >
> > > > On Fri, Aug 20, 2021 at 09:18:08AM +0100, Phil Thompson wrote:
> > > > > The current snapshots and Qt wheels have been updated for Qt
> > > > > v6.2.0beta3.
> > > >
> > > > It looks like macOS support for QtWebEngine seems to have arrived with
> > > > Beta 3? I can successfully build and run simplebrowser from the Qt
> > > > online installer on macOS FWIW.
> > > 
> > > I overlooked this because of a bug in the installer. If you are
> > > selecting
> > > individual additional libraries then WebEngine (on macOS) is only
> > > installed
> > > if it is deselected.
> > > 
> > > > Do you have a rough timeline for a PyQt6WebEngine based on that? :)
> > > 
> > > Certainly by the end of next week.
> > 
> > I noticed a pyqt6-webengine popped up here:
> > https://riverbankcomputing.com/pypi/simple/pyqt6-webengine/
> > 
> > However I can't install it, due to a very similar issue like discussed
> > back in April in the "Missing PyQt6-Qt6 6.1" thread:
> > https://www.riverbankcomputing.com/pipermail/pyqt/2021-April/043769.html
> > 
> >     $ pip install --index-url
> > https://riverbankcomputing.com/pypi/simple/ --pre --upgrade
> > pyqt6-webengine
> >     [...]
> >       Downloading
> > https://riverbankcomputing.com/pypi/packages/PyQt6-WebEngine/PyQt6_WebEngine-6.2.0.dev2108251208-cp36.cp37.cp38.cp39.cp310-abi3-manylinux_2_28_x86_64.whl
> > (245 kB)
> >     [...]
> >     ERROR: Could not find a version that satisfies the requirement
> > PyQt6>=6.2.0 (from pyqt6-webengine) (from versions:
> > 6.2.0.dev2108221414)
> >     ERROR: No matching distribution found for PyQt6>=6.2.0
> > 
> > Apologies if you're already aware, and that's why you didn't announce it
> > yet. I just noticed it was there and got curious :)
> 
> When installing from the local server don't rely on the dependencies being
> resolved automatically. Instead install them explicitly, including
> pyqt6-webengine-qt6.

That won't work either, because the declared dependency (PyQt6>=6.2.0)
isn't available at all:

    $ pip install --index-url https://riverbankcomputing.com/pypi/simple/ --pre --upgrade pyqt6-webengine pyqt6-webengine-qt6 pyqt6
    Looking in indexes: https://riverbankcomputing.com/pypi/simple/
    Collecting pyqt6-webengine
      Downloading https://riverbankcomputing.com/pypi/packages/PyQt6-WebEngine/PyQt6_WebEngine-6.2.0.dev2108251208-cp36.cp37.cp38.cp39.cp310-abi3-manylinux_2_28_x86_64.whl (245 kB)
    Collecting pyqt6-webengine-qt6
      Downloading https://riverbankcomputing.com/pypi/packages/PyQt6-WebEngine-Qt6/PyQt6_WebEngine_Qt6-6.2.0b3-py3-none-manylinux_2_28_x86_64.whl (87.7 MB)
    Collecting pyqt6
      Downloading https://riverbankcomputing.com/pypi/packages/PyQt6/PyQt6-6.2.0.dev2108221414-cp36.cp37.cp38.cp39.cp310-abi3-manylinux_2_28_x86_64.whl (7.4 MB)
    ERROR: Cannot install pyqt6 and pyqt6-webengine==6.2.0.dev2108251208 because these package versions have conflicting dependencies.

    The conflict is caused by:
        The user requested pyqt6
        pyqt6-webengine 6.2.0.dev2108251208 depends on PyQt6>=6.2.0

    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

Florian

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