get rid of multiple inheritance, fix missed import

alexbruy · alexbruy · commit cf02a71bb0d4 · 2016-01-21T17:56:48.000+02:00
diff --git a/python/plugins/processing/algs/gdal/ClipByMask.py b/python/plugins/processing/algs/gdal/ClipByMask.py
@@ -27,8 +27,6 @@
 
 from osgeo import gdal
 
-from processing.algs.gdal.GdalAlgorithm import GdalAlgorithm
-
 from processing.core.parameters import ParameterRaster
 from processing.core.parameters import ParameterVector
 from processing.core.parameters import ParameterBoolean
@@ -41,8 +39,10 @@
 from processing.algs.gdal.OgrAlgorithm import OgrAlgorithm
 from processing.algs.gdal.GdalUtils import GdalUtils
 
+from processing.tools import dataobjects
+
 
-class ClipByMask(GdalAlgorithm, OgrAlgorithm):
+class ClipByMask(OgrAlgorithm):
 
     INPUT = 'INPUT'
     OUTPUT = 'OUTPUT'
@@ -149,7 +149,7 @@ def getConsoleCommands(self):
 
         arguments.append('-cutline')
         arguments.append(ogrMask)
-        if maskLayer.subsetString() != '':
+        if maskLayer and maskLayer.subsetString() != '':
             arguments.append('-cwhere')
             arguments.append(maskLayer.subsetString())
 
