[processing] Pass context argument to processAlgorithm

Author: nyalldawson

python/plugins/processing/algs/exampleprovider/ExampleAlgorithm.py

@@ -79,8 +79,10 @@ def defineCharacteristics(self):
         self.addOutput(OutputVector(self.OUTPUT_LAYER,
                                     self.tr('Output layer with selected features')))
 
-    def processAlgorithm(self, feedback):
-        """Here is where the processing itself takes place."""
+    def processAlgorithm(self, context, feedback):
+        """Here is where the processing itself takes place.
+        :param context:
+        """
 
         # The first thing to do is retrieve the values of the parameters
         # entered by the user

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

@@ -58,7 +58,7 @@ def svgIconPath(self):
     def getCustomParametersDialog(self):
         return GdalAlgorithmDialog(self)
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         commands = self.getConsoleCommands()
         layers = QgsProcessingUtils.compatibleVectorLayers(QgsProject.instance())
         supported = QgsVectorFileWriter.supportedFormatExtensions()

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

@@ -64,7 +64,7 @@ def defineCharacteristics(self):
     def getConsoleCommands(self):
         return ["extractprojection"]
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         rasterPath = self.getParameterValue(self.INPUT)
         createPrj = self.getParameterValue(self.PRJ_FILE)
 

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

@@ -77,7 +77,7 @@ def getConsoleCommands(self):
         arguments.append(self.getParameterValue(information.INPUT))
         return ['gdalinfo', GdalUtils.escapeAndJoin(arguments)]
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         GdalUtils.runGdal(self.getConsoleCommands(), feedback)
         output = self.getOutputValue(information.OUTPUT)
         with open(output, 'w') as f:

python/plugins/processing/algs/gdal/ogr2ogrtabletopostgislist.py

@@ -125,9 +125,9 @@ def defineCharacteristics(self):
         self.addParameter(ParameterString(self.OPTIONS,
                                           self.tr('Additional creation options'), '', optional=True))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         self.processing = True
-        GdalAlgorithm.processAlgorithm(self, feedback)
+        GdalAlgorithm.processAlgorithm(self, context, feedback)
         self.processing = False
 
     def getConsoleCommands(self):

python/plugins/processing/algs/gdal/ogr2ogrtopostgislist.py

@@ -177,9 +177,9 @@ def defineCharacteristics(self):
         self.addParameter(ParameterString(self.OPTIONS,
                                           self.tr('Additional creation options'), '', optional=True))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         self.processing = True
-        GdalAlgorithm.processAlgorithm(self, feedback)
+        GdalAlgorithm.processAlgorithm(None, self)
         self.processing = False
 
     def getConsoleCommands(self):

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

@@ -70,7 +70,7 @@ def getConsoleCommands(self):
         arguments.append(conn)
         return arguments
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         GdalUtils.runGdal(self.getConsoleCommands(), feedback)
         output = self.getOutputValue(self.OUTPUT)
         with open(output, 'w') as f:

python/plugins/processing/algs/grass7/Grass7Algorithm.py

@@ -247,7 +247,7 @@ def getDefaultCellsize(self):
             cellsize = 100
         return cellsize
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         if system.isWindows():
             path = Grass7Utils.grassPath()
             if path == '':

python/plugins/processing/algs/grass7/nviz7.py

@@ -92,7 +92,7 @@ def defineCharacteristics(self):
             self.tr('GRASS region cellsize (leave 0 for default)'),
             0, None, 0.0))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         commands = []
         vector = self.getParameterValue(self.VECTOR)
         elevation = self.getParameterValue(self.ELEVATION)

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

@@ -83,7 +83,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputVector(
             self.OUTPUT_LAYER, self.tr('Added')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         fieldType = self.getParameterValue(self.FIELD_TYPE)
         fieldName = self.getParameterValue(self.FIELD_NAME)
         fieldLength = self.getParameterValue(self.FIELD_LENGTH)

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

@@ -66,7 +66,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputRaster(self.OUTPUT_LAYER,
                                     self.tr('Aspect')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         inputFile = self.getParameterValue(self.INPUT_LAYER)
         zFactor = self.getParameterValue(self.Z_FACTOR)
         outputFile = self.getOutputValue(self.OUTPUT_LAYER)

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

@@ -60,7 +60,7 @@ def defineCharacteristics(self):
                                           self.tr('Input layer')))
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Incremented')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         output = self.getOutputFromName(self.OUTPUT)
         vlayer = \
             dataobjects.getLayerFromString(self.getParameterValue(self.INPUT))

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

@@ -73,7 +73,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputHTML(self.OUTPUT, self.tr('Bar plot')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         namefieldname = self.getParameterValue(self.NAME_FIELD)

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

@@ -120,7 +120,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputNumber(self.THIRDQUARTILE, self.tr('Third quartile')))
         self.addOutput(OutputNumber(self.IQR, self.tr('Interquartile Range (IQR)')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))
         field_name = self.getParameterValue(self.FIELD_NAME)

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

@@ -114,7 +114,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputNumber(self.NULLVALUES, self.tr('NULL (missed) values')))
         self.addOutput(OutputNumber(self.IQR, self.tr('Interquartile Range (IQR)')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))
         fieldName = self.getParameterValue(self.FIELD_NAME)

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

@@ -100,7 +100,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputNumber(self.MIN_VALUE, self.tr('Minimum string value')))
         self.addOutput(OutputNumber(self.MAX_VALUE, self.tr('Maximum string value')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))
         fieldName = self.getParameterValue(self.FIELD_NAME)

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

@@ -63,7 +63,7 @@ def defineCharacteristics(self):
                                                                    dataobjects.TYPE_VECTOR_POLYGON]))
         self.addOutput(OutputVector(self.OUTPUT_LAYER, self.tr('Boundary')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))
 

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

@@ -62,7 +62,7 @@ def defineCharacteristics(self):
                                           self.tr('Input layer')))
         self.addOutput(OutputVector(self.OUTPUT_LAYER, self.tr('Bounds'), datatype=[dataobjects.TYPE_VECTOR_POLYGON]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))
 

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

@@ -82,7 +82,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputHTML(self.OUTPUT, self.tr('Box plot')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         namefieldname = self.getParameterValue(self.NAME_FIELD)

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

@@ -63,7 +63,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputVector(self.OUTPUT_LAYER, self.tr('Centroids'), datatype=[dataobjects.TYPE_VECTOR_POINT]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))
 

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

@@ -87,7 +87,7 @@ def defineCharacteristics(self):
             self.ERROR_OUTPUT,
             self.tr('Error output')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         settings = QgsSettings()
         initial_method_setting = settings.value(settings_method_key, 1)
 

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

@@ -65,7 +65,7 @@ def defineCharacteristics(self):
                                           self.tr('Clip layer'), [dataobjects.TYPE_VECTOR_POLYGON]))
         self.addOutput(OutputVector(Clip.OUTPUT, self.tr('Clipped')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         source_layer = dataobjects.getLayerFromString(
             self.getParameterValue(Clip.INPUT))
         mask_layer = dataobjects.getLayerFromString(

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

@@ -78,7 +78,7 @@ def defineCharacteristics(self):
         self.addOutput(
             OutputVector(ConcaveHull.OUTPUT, self.tr('Concave hull'), datatype=[dataobjects.TYPE_VECTOR_POLYGON]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(self.getParameterValue(ConcaveHull.INPUT))
         alpha = self.getParameterValue(self.ALPHA)
         holes = self.getParameterValue(self.HOLES)

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

@@ -76,7 +76,7 @@ def defineCharacteristics(self):
                                              self.tr('Method'), self.methods))
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Convex hull'), datatype=[dataobjects.TYPE_VECTOR_POLYGON]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         useField = self.getParameterValue(self.METHOD) == 1

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

@@ -66,7 +66,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputVector(self.OUTPUT,
                                     self.tr('Indexed layer'), True))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         file_name = self.getParameterValue(self.INPUT)
         layer = dataobjects.getLayerFromString(file_name)
         field = self.getParameterValue(self.FIELD)

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

@@ -67,7 +67,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputRaster(self.OUTPUT,
                                     self.tr('Constant')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         value = self.getParameterValue(self.NUMBER)

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

@@ -76,7 +76,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputString(self.VRT_STRING,
                                     self.tr('Virtual string')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         input_layers = self.getParameterValue(self.DATASOURCES)
         unioned = self.getParameterValue(self.UNIONED)
         vrtPath = self.getOutputValue(self.VRT_FILE)

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

@@ -73,7 +73,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputVector(self.OUTPUT,
                                     self.tr('Layer with projection'), True))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         fileName = self.getParameterValue(self.INPUT)
         layer = dataobjects.getLayerFromString(fileName)
         crs = QgsCoordinateReferenceSystem(self.getParameterValue(self.CRS))

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

@@ -69,7 +69,7 @@ def defineCharacteristics(self):
                                     self.tr('Delaunay triangulation'),
                                     datatype=[dataobjects.TYPE_VECTOR_POLYGON]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
 

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

@@ -64,7 +64,7 @@ def defineCharacteristics(self):
                                               self.tr('Fields to delete'), self.INPUT, multiple=True))
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Output layer')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(self.getParameterValue(self.INPUT))
 
         fields_to_delete = self.getParameterValue(self.COLUMNS).split(';')

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

@@ -58,7 +58,7 @@ def defineCharacteristics(self):
                                           self.tr('Input layer')))
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Cleaned')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
 

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

@@ -64,7 +64,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Cleaned'), datatype=[dataobjects.TYPE_VECTOR_POLYGON]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         min_area = self.getParameterValue(self.MIN_AREA)

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

@@ -76,7 +76,7 @@ def defineCharacteristics(self):
         self.addOutput(OutputVector(self.OUTPUT,
                                     self.tr('Densified')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         vertices = self.getParameterValue(self.VERTICES)

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

@@ -71,7 +71,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Densified')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(self.getParameterValue(self.INPUT))
         interval = self.getParameterValue(self.INTERVAL)
 

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

@@ -65,7 +65,7 @@ def defineCharacteristics(self):
                                           self.tr('Difference layer')))
         self.addOutput(OutputVector(Difference.OUTPUT, self.tr('Difference')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layerA = dataobjects.getLayerFromString(
             self.getParameterValue(Difference.INPUT))
         layerB = dataobjects.getLayerFromString(

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

@@ -73,7 +73,7 @@ def defineCharacteristics(self):
                                               self.tr('Unique ID fields'), Dissolve.INPUT, optional=True, multiple=True))
         self.addOutput(OutputVector(Dissolve.OUTPUT, self.tr('Dissolved')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         useField = not self.getParameterValue(Dissolve.DISSOLVE_ALL)
         field_names = self.getParameterValue(Dissolve.FIELD)
         vlayerA = dataobjects.getLayerFromString(

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

@@ -65,7 +65,7 @@ def defineCharacteristics(self):
                                                                    dataobjects.TYPE_VECTOR_POLYGON]))
         self.addOutput(OutputVector(self.OUTPUT_TABLE, self.tr('Dropped geometry')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))
         writer = self.getOutputFromName(

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

@@ -77,7 +77,7 @@ def defineCharacteristics(self):
                                              self.modes))
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Eliminated'), datatype=[dataobjects.TYPE_VECTOR_POLYGON]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         inLayer = dataobjects.getLayerFromString(self.getParameterValue(self.INPUT))
         boundary = self.getParameterValue(self.MODE) == self.MODE_BOUNDARY
         smallestArea = self.getParameterValue(self.MODE) == self.MODE_SMALLEST_AREA

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

@@ -64,7 +64,7 @@ def defineCharacteristics(self):
                                               self.tr('Class field'), self.INPUT))
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Layer with index field')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         fieldname = self.getParameterValue(self.FIELD)
         output = self.getOutputFromName(self.OUTPUT)
         vlayer = dataobjects.getLayerFromString(

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

@@ -103,7 +103,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputVector(self.OUTPUT_LAYER, self.tr('SQL Output')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layers = self.getParameterValue(self.INPUT_DATASOURCES)
         query = self.getParameterValue(self.INPUT_QUERY)
         uid_field = self.getParameterValue(self.INPUT_UID_FIELD)

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

@@ -62,7 +62,7 @@ def defineCharacteristics(self):
                                           [dataobjects.TYPE_VECTOR_LINE]))
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Exploded'), datatype=[dataobjects.TYPE_VECTOR_LINE]))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         vlayer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         output = self.getOutputFromName(self.OUTPUT)

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

@@ -75,7 +75,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputVector(self.OUTPUT, self.tr('Added geom info')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT))
         method = self.getParameterValue(self.METHOD)

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

@@ -65,7 +65,7 @@ def defineCharacteristics(self):
 
         self.addOutput(OutputVector(self.OUTPUT_LAYER, self.tr('Extended lines')))
 
-    def processAlgorithm(self, feedback):
+    def processAlgorithm(self, context, feedback):
         layer = dataobjects.getLayerFromString(
             self.getParameterValue(self.INPUT_LAYER))