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[processing] prevent division by zero in save selected features

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algorithm (fix #16431)
This commit is contained in:
Alexander Bruy 2017-04-27 10:54:07 +03:00
parent 459f4868aa
commit 1ac053fc26
1 changed files with 6 additions and 2 deletions
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8
python/plugins/processing/algs/qgis/SaveSelectedFeatures.py
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@ -25,8 +25,9 @@ __copyright__ = '(C) 2012, Victor Olaya'
__revision__ = '$Format:%H$'
from qgis.core import (QgsApplication)
from qgis.core import QgsApplication
from processing.core.GeoAlgorithm import GeoAlgorithm
from processing.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
from processing.core.parameters import ParameterVector
from processing.core.outputs import OutputVector
from processing.tools import dataobjects
@ -68,7 +69,10 @@ class SaveSelectedFeatures(GeoAlgorithm):
writer = output.getVectorWriter(vectorLayer.fields(), vectorLayer.wkbType(), vectorLayer.crs(), context)
features = vectorLayer.getSelectedFeatures()
total = 100.0 / int(vectorLayer.selectedFeatureCount())
if len(features) == 0:
raise GeoAlgorithmExecutionException(self.tr('There are no selected features in the input layer.'))
total = 100.0 / len(features)
for current, feat in enumerate(features):
writer.addFeature(feat)
feedback.setProgress(int(current * total))