[QGIS-Developer] can't load plugins with QGIS custom widgets in windows

[lbartoletti at tuxfamily.org]

Hi Enrico,

Maybe add in your .ui files this snippet after the custom widgets 
section:

  <includes>
   <include location="local">qgis.gui</include>
  </includes>

Regards

Loïc

On 2017-09-29 09:43, Enrico Ferreguti wrote:
> Hi Loïc,
> I have no luck with your fix. I'm getting the same exception.
> 
> The uic module doesn't recognize the property
> QgsMapLayerProxyModel::RasterLayer of the custom widget as valid. I
> tried to remove the entire property section from .ui file and set it
> programmatically during the dialog __init__ with
> self.RasterLayer.setFilters(QgsMapLayerProxyModel.RasterLayer)
> 
> after setupUi but the widget does not load available layers...
> 
> Thanks anyway.
> 
> Enrico Ferreguti
> 
> 2017-09-28 22:12 GMT+02:00 L.Bartoletti <lbartoletti at tuxfamily.org>:
> 
>> Hi,
>> 
>> I have found the same problem on FreeBSD if custom widgets are not
>> installed.
>> 
>> My solution at least on FreeBSD and Windows (osgeo4w) use your .ui
>> (it's only a XML), search this:
>> 
>> <customwidget>
>> <class>YOUR CUSTOM WIDGET</class>
>> <extends>YOUR CUSTOM WIDGET</extends>
>> <header>YOUR CUSTOM WIDGET.h</header>
>> </customwidget>
>> 
>> and change the line containing a C++ header:
>> 
>> <header>YOUR CUSTOM WIDGET.h</header>
>> 
>> by :
>> 
>> <header>qgis.gui</header>
>> 
>> Regards.
>> 
>> Loïc
>> 
>> On 28.09.2017 16:54, Enrico Ferreguti wrote:
>> 
>> I'm getting the following exception:
>> 
>> AttributeError: unknown enum QgsMapLayerProxyModel::RasterLayer
>> 
>> loading a plugin with QGIS custom QT designer widget in windows
>> standalone QGIS 2.14 ltr and 2.18.
>> 
>> The exception doesn't affect linux and osgeo4win installations.
>> 
>> I found that this was a 2015 reported issue:
>> https://issues.qgis.org/issues/13428 [2]
>> 
>> and I solve it as suggested in
>> 
> https://lists.osgeo.org/pipermail/qgis-developer/2015-September/039196.html
>> [3] simply copying a file in the right place.
>> 
>> The fix is apparently easy and considering that Qt custom widgets
>> are widely used I can't figure why this old issue isn't yet solved.
>> 
>> Is it a qgis or an osgeo4win issue? Should I reopen a ticket?
>> 
>> Thanks. Enrico Ferreguti.
>> 
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> Links:
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> [1] https://lists.osgeo.org/mailman/listinfo/qgis-developer
> [2] https://issues.qgis.org/issues/13428
> [3] 
> https://lists.osgeo.org/pipermail/qgis-developer/2015-September/039196.html