Raise an exception if the necessary parameter was not specified

qgis · Apr 25, 2019 · e6ff7e00ef681d67be87ddda329350dbe962700f · e6ff7e0
1 parent fdb6a2b
commit e6ff7e00ef681d67be87ddda329350dbe962700f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/python/plugins/processing/algs/qgis/TilesXYZ.py b/python/plugins/processing/algs/qgis/TilesXYZ.py
@@ -288,8 +288,12 @@ def processAlgorithm(self, parameters, context, feedback):
         output_format = self.outputs[self.parameterAsEnum(parameters, self.OUTPUT_FORMAT, context)]
         if output_format == 'Directory':
             output_dir = self.parameterAsString(parameters, self.OUTPUT_DIRECTORY, context)
+            if not output_dir:
+                raise QgsProcessingException(self.tr('You need to specify output directory.'))
         else:  # MBTiles
             output_file = self.parameterAsString(parameters, self.OUTPUT_FILE, context)
+            if not output_file:
+                raise QgsProcessingException(self.tr('You need to specify output filename.'))
         tile_width = 256
         tile_height = 256