[QGIS-Developer] createAlgorithmDialog in Processing script (within plugin)

[Germán Carrillo]

Hi Matteo,

If you want and if you have the time, we could have a look at this issue at
the QGIS Contributors Meeting in Firenze :)

Regards!

Germán


El lun, 1 ago 2022 a las 17:07, matteo (<matteo.ghetta at gmail.com>) escribió:

> Hi German,
>
> yes in your way it is working. But what if you try not with the
> algorithm/model id, but with an instance of the algorithm?
>
> In the docs I read "Either an instance of an algorithm, or an
> algorithm's ID", therefore I'm trying to set up an instance of my
> algorithm and then passing it to the method
>
> Cheers and thanks
>
> Matteo
>
> On 8/1/22 16:17, Germán Carrillo wrote:
> > Hi Matteo,
> >
> > I've been successfully using /execAlgorithmDialog()/ instead [0]:
> >
> > /processing.execAlgorithmDialog("my_provider:my_algorithm", params)/
> >
> > where, /params/ is a dict with the pre-filled values you have. You can
> > see an example at [1].
> >
> > Regards,
> >
> > Germán
> > -----------
> > [0]
> >
> https://github.com/qgis/QGIS/blob/2d1aa68f0d044f2aced7ebeca8d2fa6b754ac970/python/plugins/processing/tools/general.py#L185
> <
> https://github.com/qgis/QGIS/blob/2d1aa68f0d044f2aced7ebeca8d2fa6b754ac970/python/plugins/processing/tools/general.py#L185
> >
> > [1]
> >
> https://github.com/SwissTierrasColombia/LADM-COL-Add-on-Ambiente/blob/master/ladm_col_environment_add_on.py#L140
> <
> https://github.com/SwissTierrasColombia/LADM-COL-Add-on-Ambiente/blob/master/ladm_col_environment_add_on.py#L140
> >
> >
> >
> > El lun, 1 ago 2022 a las 15:23, matteo via QGIS-Developer
> > (<qgis-developer at lists.osgeo.org
> > <mailto:qgis-developer at lists.osgeo.org>>) escribió:
> >
> >     Hi all,
> >
> >     I've a set of custom processing scripts within a plugin (that is both
> >     "normal" and processing provider plugin).
> >
> >     I'm trying to executing the dialog of these algorithm from one of the
> >     main plugin file. I found the processing.createAlgorithmDialog [0],
> but
> >     it is constantly crashing when I'm passing the instance of the
> >     algorithm:
> >
> >     my_alg = MyCustomAlg()
> >     my_dialog = my_alg.createAlgorithmDialog(custom_dict)
> >
> >     ## crash here
> >
> >     Thinking it was a problem of the threads I also tried to overwrite
> the
> >     `flag` method in the algorithm by setting also
> >     QgsProcessingAlgorithm.FlagNoThreading but with the same results.
> >
> >     I know I can run the processing algorithm with processing.run(....)
> but
> >     I need to open the dialog pre-filled with custom parameters and to
> get
> >     also some other outputs besides the standard ones (like the
> >     QgsFeatureSink path)
> >
> >     Thanks for any suggestion
> >
> >     Cheers
> >
> >     Matteo
> >
> >
> >     [0]
> >
> https://github.com/qgis/QGIS/blob/master/python/plugins/processing/tools/general.py#L155
> <
> https://github.com/qgis/QGIS/blob/master/python/plugins/processing/tools/general.py#L155
> >
> >
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> >
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>


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