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Processing: disable 'open output layer' for write-only formats such as PGDUMP (relates to #31421)

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This commit is contained in:
Even Rouault 2019-09-16 18:25:16 +02:00
parent ec993f2a96
commit cbc86ffc1a
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1 changed files with 20 additions and 5 deletions
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25
python/plugins/processing/gui/ParametersPanel.py
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@ -223,13 +223,28 @@ class ParametersPanel(BASE, WIDGET):
check = QCheckBox() check = QCheckBox()
check.setText(QCoreApplication.translate('ParametersPanel', 'Open output file after running algorithm')) check.setText(QCoreApplication.translate('ParametersPanel', 'Open output file after running algorithm'))
def skipOutputChanged(checkbox, skipped): def skipOutputChanged(widget, checkbox, skipped):
checkbox.setEnabled(not skipped)
if skipped: enabled = not skipped
checkbox.setChecked(False)
# Do not try to open formats that are write-only.
value = widget.getValue()
if value and isinstance(value, QgsProcessingOutputLayerDefinition):
filename = value.sink.staticValue()
if filename not in ('memory:', ''):
path, ext = os.path.splitext(filename)
format = QgsVectorFileWriter.driverForExtension(ext)
drv = gdal.GetDriverByName(format)
if drv:
if drv.GetMetadataItem(gdal.DCAP_OPEN) is None:
enabled = False
checkbox.setEnabled(enabled)
checkbox.setChecked(enabled)
check.setChecked(not widget.outputIsSkipped()) check.setChecked(not widget.outputIsSkipped())
check.setEnabled(not widget.outputIsSkipped()) check.setEnabled(not widget.outputIsSkipped())
widget.skipOutputChanged.connect(partial(skipOutputChanged, check)) widget.skipOutputChanged.connect(partial(skipOutputChanged, widget, check))
self.layoutMain.insertWidget(self.layoutMain.count() - 1, check) self.layoutMain.insertWidget(self.layoutMain.count() - 1, check)
self.checkBoxes[output.name()] = check self.checkBoxes[output.name()] = check