[needs-docs][processing] Move Build Vector VRT to gdal provider

and setup alias to avoid script/model breakage. This algorithm
uses GDAL utilities and fits better alongside the other GDAL based
algorithm rather than in the qgis provider.

python/plugins/processing/algs/gdal/Datasources2Vrt.py

@@ -30,21 +30,24 @@ from qgis.core import (QgsProcessing,
                        QgsProcessingParameterVectorDestination,
                        QgsProcessingOutputString
                        )
-from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
+from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
 from processing.algs.gdal.GdalUtils import GdalUtils
 
 
-class Datasources2Vrt(QgisAlgorithm):
+class Datasources2Vrt(GdalAlgorithm):
     INPUT = 'INPUT'
     UNIONED = 'UNIONED'
     OUTPUT = 'OUTPUT'
     VRT_STRING = 'VRT_STRING'
 
+    def createCustomParametersWidget(self, parent):
+        return None
+
     def group(self):
-        return self.tr('Vector general')
+        return self.tr('Vector miscellaneous')
 
     def groupId(self):
-        return 'vectorgeneral'
+        return 'vectormiscellaneous'
 
     def name(self):
         return 'buildvirtualvector'
@@ -52,6 +55,9 @@ class Datasources2Vrt(QgisAlgorithm):
     def displayName(self):
         return self.tr('Build virtual vector')
 
+    def tags(self):
+        return ['ogr', 'gdal', 'vrt', 'create']
+
     def __init__(self):
         super().__init__()
 

python/plugins/processing/algs/gdal/GdalAlgorithmProvider.py

@@ -38,6 +38,7 @@ from .ClipRasterByExtent import ClipRasterByExtent
 from .ClipRasterByMask import ClipRasterByMask
 from .ColorRelief import ColorRelief
 from .contour import contour
+from .Datasources2Vrt import Datasources2Vrt
 from .fillnodata import fillnodata
 from .gdalinfo import gdalinfo
 from .gdal2tiles import gdal2tiles
@@ -99,6 +100,7 @@ class GdalAlgorithmProvider(QgsProcessingProvider):
     def __init__(self):
         super().__init__()
         self.algs = []
+        QgsApplication.processingRegistry().addAlgorithmAlias('qgis:buildvirtualvector', 'gdal:buildvirtualvector')
 
     def load(self):
         ProcessingConfig.settingIcons[self.name()] = self.icon()
@@ -145,6 +147,7 @@ class GdalAlgorithmProvider(QgsProcessingProvider):
             ClipRasterByMask(),
             ColorRelief(),
             contour(),
+            Datasources2Vrt(),
             fillnodata(),
             gdalinfo(),
             gdal2tiles(),

python/plugins/processing/algs/qgis/QgisAlgorithmProvider.py

@@ -35,7 +35,6 @@ from .BoxPlot import BoxPlot
 from .CheckValidity import CheckValidity
 from .Climb import Climb
 from .ConcaveHull import ConcaveHull
-from .Datasources2Vrt import Datasources2Vrt
 from .DefineProjection import DefineProjection
 from .Delaunay import Delaunay
 from .DeleteColumn import DeleteColumn
@@ -117,7 +116,6 @@ class QgisAlgorithmProvider(QgsProcessingProvider):
                 CheckValidity(),
                 Climb(),
                 ConcaveHull(),
-                Datasources2Vrt(),
                 DefineProjection(),
                 Delaunay(),
                 DeleteColumn(),