def runAlgorithm(self):
_locals = {}
try:
exec(self.editor.text(), _locals)
except Exception as e:
error = QgsError(traceback.format_exc(), "Processing")
QgsErrorDialog.show(error, self.tr("Execution error"))
return
alg = None
try:
alg = algfactory.instances.pop().createInstance()
except IndexError:
for name, attr in _locals.items():
if inspect.isclass(attr) and issubclass(
attr,
(QgsProcessingAlgorithm, QgsProcessingFeatureBasedAlgorithm
)) and attr.__name__ not in (
"QgsProcessingAlgorithm",
"QgsProcessingFeatureBasedAlgorithm"):
alg = attr()
break
if alg is None:
QMessageBox.warning(
self, self.tr("No script found"),
self.tr("Seems there is no valid script in the file."))
return
alg.setProvider(
QgsApplication.processingRegistry().providerById("script"))
alg.initAlgorithm()
dlg = alg.createCustomParametersWidget(iface.mainWindow())
if not dlg:
dlg = AlgorithmDialog(alg, parent=iface.mainWindow())
canvas = iface.mapCanvas()
prevMapTool = canvas.mapTool()
dlg.show()
if canvas.mapTool() != prevMapTool:
try:
canvas.mapTool().reset()
except:
pass
canvas.setMapTool(prevMapTool)
def runAlgorithm(self):
d = {}
try:
exec(self.editor.text(), d)
except Exception as e:
error = QgsError(traceback.format_exc(), "Processing")
QgsErrorDialog.show(error, self.tr("Execution error"))
return
alg = None
for k, v in d.items():
if inspect.isclass(v) and issubclass(
v,
(QgsProcessingAlgorithm,
QgsProcessingFeatureBasedAlgorithm)) and v.__name__ not in (
"QgsProcessingAlgorithm",
"QgsProcessingFeatureBasedAlgorithm"):
alg = v()
break
if alg is None:
QMessageBox.warning(
self, self.tr("No script found"),
self.tr("Seems there is no valid script in the file."))
return
alg.setProvider(
QgsApplication.processingRegistry().providerById("script"))
alg.initAlgorithm()
dlg = alg.createCustomParametersWidget(self)
if not dlg:
dlg = AlgorithmDialog(alg)
canvas = iface.mapCanvas()
prevMapTool = canvas.mapTool()
dlg.show()
if canvas.mapTool() != prevMapTool:
try:
canvas.mapTool().reset()
except:
pass
canvas.setMapTool(prevMapTool)
def runAlgorithm(self):
alg = JsAlgorithm(description_file=None, script=self.editor.text())
if alg.error is not None:
error = QgsError(alg.error, "R")
QgsErrorDialog.show(error, self.tr("Execution error"))
return
alg.setProvider(QgsApplication.processingRegistry().providerById("r"))
alg.initAlgorithm()
dlg = alg.createCustomParametersWidget(iface.mainWindow())
if not dlg:
dlg = AlgorithmDialog(alg, parent=iface.mainWindow())
canvas = iface.mapCanvas()
prevMapTool = canvas.mapTool()
dlg.show()
if canvas.mapTool() != prevMapTool:
if canvas.mapTool():
canvas.mapTool().reset()
canvas.setMapTool(prevMapTool)
def testQgsErrorRepr(self):
e = QgsError('you done wrong son', 'dad')
self.assertEqual(e.__repr__(), "<QgsError: dad you done wrong son>")
# coding: utf-8
from PyQt4.QtCore import Qt # http://doc.qt.io/qt-4.8/qwidget.html#windowFlags-prop
from qgis.core import QgsError
from qgis.gui import QgsErrorDialog
from qgis.utils import iface
error_dialog = QgsErrorDialog(QgsError("My error message", "My GDAL tag"),
"My title",
iface.mainWindow(),
fl=Qt.WindowFlags())
error_dialog.show(QgsError("My error message", "My GDAL tag"),
"My title",
iface.mainWindow(),
fl=Qt.WindowFlags())