Merge pull request #4770 from nyalldawson/proc

More processing model porting, better invalid geometry feedback
This commit is contained in:
Nyall Dawson 2017-06-24 10:21:12 +10:00 committed by GitHub
commit 6efa7652ba
19 changed files with 262 additions and 73 deletions

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@ -142,7 +142,6 @@ Destination project
.. seealso:: invalidGeometryCheck()
%End
void setInvalidGeometryCallback( SIP_PYCALLABLE / AllowNone / );
%Docstring
Sets a callback function to use when encountering an invalid geometry and
@ -198,16 +197,29 @@ Destination project
%Docstring
Sets the default ``encoding`` to use for newly created files.
.. seealso:: defaultEncoding()
%End
QgsProcessingFeedback *feedback();
%Docstring
Returns the associated feedback object.
.. seealso:: setFeedback()
:rtype: QgsProcessingFeedback
%End
void setFeedback( QgsProcessingFeedback *feedback );
%Docstring
Sets an associated ``feedback`` object. This allows context related functions
to report feedback and errors to users and processing logs. While ideally this feedback
object should outlive the context, only a weak pointer to ``feedback`` is stored
and no errors will occur if feedback is deleted before the context.
Ownership of ``feedback`` is not transferred.
.. seealso:: setFeedback()
%End
private:
QgsProcessingContext( const QgsProcessingContext &other );
};
QFlags<QgsProcessingContext::Flag> operator|(QgsProcessingContext::Flag f1, QFlags<QgsProcessingContext::Flag> f2);

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@ -566,9 +566,15 @@ Copies are protected to avoid slicing
virtual QString svgIconPath() const;
virtual QString shortHelpString() const;
virtual QString helpUrl() const;
virtual bool canExecute( QString *errorMessage /Out/ = 0 ) const;
virtual QString asPythonCommand( const QVariantMap &parameters, QgsProcessingContext &context ) const;
void setName( const QString &name );
%Docstring
@ -767,6 +773,35 @@ Copies are protected to avoid slicing
:rtype: bool
%End
QVariantMap &helpContent();
%Docstring
Returns the model's help contents (a free-form map of values describing the algorithm's
use and metadata).
.. seealso:: setHelpContent()
:rtype: QVariantMap
%End
void setHelpContent( const QVariantMap &contents );
%Docstring
Sets the model's help ``contents`` (a free-form map of values describing the algorithm's
use and metadata).
.. seealso:: helpContent()
%End
QString sourceFilePath() const;
%Docstring
Returns the source file path for the model, if available.
.. seealso:: setSourceFilePath()
:rtype: str
%End
void setSourceFilePath( const QString &path );
%Docstring
Sets the source file ``path`` for the model, if available.
.. seealso:: sourceFilePath()
%End
protected:
virtual QVariantMap processAlgorithm( const QVariantMap &parameters,

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@ -151,6 +151,13 @@ class QgsProcessingUtils
:rtype: str
%End
static QString formatHelpMapAsHtml( const QVariantMap &map, const QgsProcessingAlgorithm *algorithm );
%Docstring
Returns a HTML formatted version of the help text encoded in a variant ``map`` for
a specified ``algorithm``.
:rtype: str
%End
};

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@ -75,7 +75,7 @@ class AutoincrementalField(QgisAlgorithm):
fields, source.wkbType(), source.sourceCrs())
features = source.getFeatures()
total = total = 100.0 / source.featureCount() if source.featureCount() else 0
total = 100.0 / source.featureCount() if source.featureCount() else 0
for current, input_feature in enumerate(features):
if feedback.isCanceled():
break

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@ -341,7 +341,3 @@ def executeAlgorithm(alg, parameters, context=None, feedback=None, model=None):
return result, ok
#self.convertUnsupportedFormats(context, feedback)
#self.runPostExecutionScript(feedback)
def helpUrl(self):
return QgsHelp.helpUrl("processing_algs/{}/{}".format(
self.provider().id(), self.id())).toString()

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@ -38,7 +38,7 @@ from qgis.utils import iface
from qgis.core import (QgsProject,
QgsProcessingFeedback,
QgsSettings)
from qgis.gui import QgsHelp
from processing.core.ProcessingConfig import ProcessingConfig
@ -189,7 +189,7 @@ class AlgorithmDialogBase(BASE, WIDGET):
def setInfo(self, msg, error=False, escape_html=True):
if error:
self.txtLog.append('<span style="color:red"><br>{}<br></span>'.format(msg, quote=False))
self.txtLog.append('<span style="color:red">{}</span><br />'.format(msg, quote=False))
elif escape_html:
self.txtLog.append(html.escape(msg))
else:
@ -255,6 +255,10 @@ class AlgorithmDialogBase(BASE, WIDGET):
def openHelp(self):
algHelp = self.alg.helpUrl()
if not algHelp:
algHelp = QgsHelp.helpUrl("processing_algs/{}/{}".format(
self.alg.provider().id(), self.alg.id())).toString()
if algHelp not in [None, ""]:
webbrowser.open(algHelp)

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@ -33,7 +33,8 @@ from qgis.PyQt import uic
from qgis.PyQt.QtWidgets import QDialog, QTreeWidgetItem
from qgis.core import (QgsMessageLog,
QgsProcessingUtils)
QgsProcessingUtils,
QgsProcessingParameterDefinition)
from processing.modeler.ModelerAlgorithm import ModelerAlgorithm
pluginPath = os.path.split(os.path.dirname(__file__))[0]
@ -55,7 +56,7 @@ class HelpEditionDialog(BASE, WIDGET):
self.alg = alg
self.descriptions = {}
if isinstance(self.alg, ModelerAlgorithm):
self.descriptions = self.alg.helpContent
self.descriptions = self.alg.helpContent()
else:
if self.alg.descriptionFile is not None:
helpfile = alg.descriptionFile + '.help'
@ -90,7 +91,7 @@ class HelpEditionDialog(BASE, WIDGET):
s += '<h3>' + param.description() + '</h3>\n'
s += '<p>' + self.getDescription(param.name()) + '</p>\n'
s += self.tr('<h2>Outputs</h2>\n')
for out in self.alg.outputs:
for out in self.alg.outputDefinitions():
s += '<h3>' + out.description() + '</h3>\n'
s += '<p>' + self.getDescription(out.name()) + '</p>\n'
return s
@ -101,11 +102,14 @@ class HelpEditionDialog(BASE, WIDGET):
parametersItem = TreeDescriptionItem(self.tr('Input parameters'), None)
self.tree.addTopLevelItem(parametersItem)
for param in self.alg.parameterDefinitions():
if param.flags() & QgsProcessingParameterDefinition.FlagHidden or param.isDestination():
continue
item = TreeDescriptionItem(param.description(), param.name())
parametersItem.addChild(item)
outputsItem = TreeDescriptionItem(self.tr('Outputs'), None)
self.tree.addTopLevelItem(outputsItem)
for out in self.alg.outputs:
for out in self.alg.outputDefinitions():
item = TreeDescriptionItem(out.description(), out.name())
outputsItem.addChild(item)
item = TreeDescriptionItem(self.tr('Algorithm created by'), self.ALG_CREATOR)

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@ -174,14 +174,9 @@ class CompoundValue(object):
class ModelerAlgorithm(QgsProcessingModelAlgorithm):
CANVAS_SIZE = 4000
def __init__(self):
super().__init__()
self.descriptionFile = None
self.helpContent = {}
# Geoalgorithms in this model. A dict of Algorithm objects, with names as keys
self.algs = {}
@ -229,23 +224,6 @@ class ModelerAlgorithm(QgsProcessingModelAlgorithm):
v = value
return param.evaluateForModeler(v, self)
def asPythonCommand(self, parameters, context):
if self.descriptionFile:
return QgsProcessingAlgorithm.asPythonCommand(self, parameters, context)
else:
return None
def helpUrl(self):
try:
return getHtmlFromDescriptionsDict(self, self.helpContent)
except:
return None
def shortHelpString(self):
if 'ALG_DESC' in self.helpContent:
return str(self.helpContent['ALG_DESC'])
return None
def toPython(self):
s = ['##%s=name' % self.name()]
for param in list(self.parameterComponents().values()):

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@ -108,7 +108,7 @@ class ModelerAlgorithmProvider(QgsProcessingProvider):
alg = ModelerAlgorithm()
if alg.fromFile(fullpath):
if alg.name():
alg.descriptionFile = fullpath
alg.setSourceFilePath(fullpath)
self.algs.append(alg)
else:
QgsMessageLog.logMessage(self.tr('Could not load model {0}', 'ModelerAlgorithmProvider').format(descriptionFile),

View File

@ -279,7 +279,7 @@ class ModelerDialog(BASE, WIDGET):
dlg = HelpEditionDialog(alg)
dlg.exec_()
if dlg.descriptions:
self.model.helpContent = dlg.descriptions
self.model.setHelpContent(dlg.descriptions)
self.hasChanged = True
def runModel(self):
@ -439,8 +439,8 @@ class ModelerDialog(BASE, WIDGET):
return
self.model.setName(str(self.textName.text()))
self.model.setGroup(str(self.textGroup.text()))
if self.model.descriptionFile is not None and not saveAs:
filename = self.model.descriptionFile
if self.model.sourceFilePath() is not None and not saveAs:
filename = self.model.sourceFilePath()
else:
filename, filter = QFileDialog.getSaveFileName(self,
self.tr('Save Model'),
@ -449,7 +449,7 @@ class ModelerDialog(BASE, WIDGET):
if filename:
if not filename.endswith('.model3'):
filename += '.model3'
self.model.descriptionFile = filename
self.model.setSourceFilePath(filename)
if filename:
if not self.model.toFile(filename):
if saveAs:
@ -492,8 +492,8 @@ class ModelerDialog(BASE, WIDGET):
def repaintModel(self, controls=True):
self.scene = ModelerScene(self, dialog=self)
self.scene.setSceneRect(QRectF(0, 0, ModelerAlgorithm.CANVAS_SIZE,
ModelerAlgorithm.CANVAS_SIZE))
self.scene.setSceneRect(QRectF(0, 0, self.CANVAS_SIZE,
self.CANVAS_SIZE))
self.scene.paintModel(self.model, controls)
self.view.setScene(self.scene)
@ -512,6 +512,7 @@ class ModelerDialog(BASE, WIDGET):
if isinstance(pos, QPoint):
pos = QPointF(pos)
component = QgsProcessingModelAlgorithm.ModelParameter(dlg.param.name())
component.setDescription(dlg.param.name())
component.setPosition(pos)
self.model.addModelParameter(dlg.param, component)
self.repaintModel()

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@ -196,6 +196,7 @@ class ModelerGraphicItem(QGraphicsItem):
if dlg.param is not None:
self.model.removeModelParameter(self.element.parameterName())
self.element.setParameterName(dlg.param.name())
self.element.setDescription(dlg.param.name())
self.model.addModelParameter(dlg.param, self.element)
self.text = dlg.param.description()
self.update()

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@ -49,8 +49,7 @@ class TestAlg(QgsProcessingAlgorithm):
return 'testalg'
def processAlgorithm(self, parameters, context, feedback):
raise GeoAlgorithmExecutionException(
self.tr('Exception while processing'))
raise GeoAlgorithmExecutionException('Exception while processing')
return {}

View File

@ -71,27 +71,13 @@ def createContext(feedback=None):
"""
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
context.setFeedback(feedback)
invalid_features_method = ProcessingConfig.getSetting(ProcessingConfig.FILTER_INVALID_GEOMETRIES)
if invalid_features_method is None:
invalid_features_method = QgsFeatureRequest.GeometryAbortOnInvalid
context.setInvalidGeometryCheck(invalid_features_method)
def raise_invalid_geometry_error(f, feedback=feedback):
if feedback:
feedback.pushInfo(QCoreApplication.translate("FeatureIterator",
'Feature with id {} has invalid geometry, skipping feature.'.format(f.id())))
if context.invalidGeometryCheck() == QgsFeatureRequest.GeometrySkipInvalid:
context.setInvalidGeometryCallback(raise_invalid_geometry_error)
def raise_transform_error(f, feedback=feedback):
if feedback:
feedback.pushInfo(QCoreApplication.translate("FeatureIterator",
'Encountered a transform error when reprojecting feature with id {}.'.format(f.id())))
context.setTransformErrorCallback(raise_transform_error)
settings = QgsSettings()
context.setDefaultEncoding(settings.value("/Processing/encoding", "System"))

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@ -25,6 +25,7 @@
#include "qgsfeaturerequest.h"
#include "qgsmaplayerlistutils.h"
#include "qgsexception.h"
#include "qgsprocessingfeedback.h"
/**
* \class QgsProcessingContext
@ -50,7 +51,15 @@ class CORE_EXPORT QgsProcessingContext
/**
* Constructor for QgsProcessingContext.
*/
QgsProcessingContext() = default;
QgsProcessingContext()
{
auto callback = [ = ]( const QgsFeature & feature )
{
if ( mFeedback )
mFeedback->reportError( QObject::tr( "Encountered a transform error when reprojecting feature with id %1." ).arg( feature.id() ) );
};
mTransformErrorCallback = callback;
}
//! QgsProcessingContext cannot be copied
QgsProcessingContext( const QgsProcessingContext &other ) = delete;
@ -176,17 +185,34 @@ class CORE_EXPORT QgsProcessingContext
{
mInvalidGeometryCheck = check;
if ( mInvalidGeometryCheck == QgsFeatureRequest::GeometryAbortOnInvalid )
switch ( mInvalidGeometryCheck )
{
auto callback = []( const QgsFeature & feature )
case QgsFeatureRequest::GeometryAbortOnInvalid:
{
throw QgsProcessingException( QObject::tr( "Feature (%1) has invalid geometry. Please fix the geometry or change the Processing setting to the \"Ignore invalid input features\" option." ).arg( feature.id() ) );
};
mInvalidGeometryCallback = callback;
auto callback = []( const QgsFeature & feature )
{
throw QgsProcessingException( QObject::tr( "Feature (%1) has invalid geometry. Please fix the geometry or change the Processing setting to the \"Ignore invalid input features\" option." ).arg( feature.id() ) );
};
mInvalidGeometryCallback = callback;
break;
}
case QgsFeatureRequest::GeometrySkipInvalid:
{
auto callback = [ = ]( const QgsFeature & feature )
{
if ( mFeedback )
mFeedback->reportError( QObject::tr( "Feature (%1) has invalid geometry and has been skipped. Please fix the geometry or change the Processing setting to the \"Ignore invalid input features\" option." ).arg( feature.id() ) );
};
mInvalidGeometryCallback = callback;
break;
}
default:
break;
}
}
/**
* Sets a callback function to use when encountering an invalid geometry and
* invalidGeometryCheck() is set to GeometryAbortOnInvalid. This function will be
@ -268,6 +294,22 @@ class CORE_EXPORT QgsProcessingContext
*/
void setDefaultEncoding( const QString &encoding ) { mDefaultEncoding = encoding; }
/**
* Returns the associated feedback object.
* \see setFeedback()
*/
QgsProcessingFeedback *feedback() { return mFeedback; }
/**
* Sets an associated \a feedback object. This allows context related functions
* to report feedback and errors to users and processing logs. While ideally this feedback
* object should outlive the context, only a weak pointer to \a feedback is stored
* and no errors will occur if feedback is deleted before the context.
* Ownership of \a feedback is not transferred.
* \see setFeedback()
*/
void setFeedback( QgsProcessingFeedback *feedback ) { mFeedback = feedback; }
private:
QgsProcessingContext::Flags mFlags = 0;
@ -282,15 +324,13 @@ class CORE_EXPORT QgsProcessingContext
QString mDefaultEncoding;
QMap< QString, LayerDetails > mLayersToLoadOnCompletion;
QPointer< QgsProcessingFeedback > mFeedback;
#ifdef SIP_RUN
QgsProcessingContext( const QgsProcessingContext &other );
#endif
};
Q_DECLARE_OPERATORS_FOR_FLAGS( QgsProcessingContext::Flags )
#endif // QGSPROCESSINGPARAMETERS_H

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@ -18,6 +18,7 @@
#include "qgsprocessingmodelalgorithm.h"
#include "qgsprocessingregistry.h"
#include "qgsprocessingfeedback.h"
#include "qgsprocessingutils.h"
#include "qgsxmlutils.h"
#include "qgsexception.h"
#include <QFile>
@ -292,6 +293,18 @@ QString QgsProcessingModelAlgorithm::svgIconPath() const
return QgsApplication::iconPath( QStringLiteral( "processingModel.svg" ) );
}
QString QgsProcessingModelAlgorithm::shortHelpString() const
{
if ( mHelpContent.contains( QStringLiteral( "ALG_DESC" ) ) )
return mHelpContent.value( QStringLiteral( "ALG_DESC" ) ).toString();
return QString();
}
QString QgsProcessingModelAlgorithm::helpUrl() const
{
return QgsProcessingUtils::formatHelpMapAsHtml( mHelpContent, this );
}
QVariantMap QgsProcessingModelAlgorithm::parametersForChildAlgorithm( const ChildAlgorithm &child, const QVariantMap &modelParameters, const QMap< QString, QVariantMap > &results ) const
{
QVariantMap childParams;
@ -468,6 +481,26 @@ QVariantMap QgsProcessingModelAlgorithm::processAlgorithm( const QVariantMap &pa
return finalResults;
}
QString QgsProcessingModelAlgorithm::sourceFilePath() const
{
return mSourceFile;
}
void QgsProcessingModelAlgorithm::setSourceFilePath( const QString &sourceFile )
{
mSourceFile = sourceFile;
}
QVariantMap QgsProcessingModelAlgorithm::helpContent() const
{
return mHelpContent;
}
void QgsProcessingModelAlgorithm::setHelpContent( const QVariantMap &helpContent )
{
mHelpContent = helpContent;
}
void QgsProcessingModelAlgorithm::setName( const QString &name )
{
mModelName = name;
@ -559,6 +592,7 @@ QVariant QgsProcessingModelAlgorithm::toVariant() const
QVariantMap map;
map.insert( QStringLiteral( "model_name" ), mModelName );
map.insert( QStringLiteral( "model_group" ), mModelGroup );
map.insert( QStringLiteral( "help" ), mHelpContent );
QVariantMap childMap;
QMap< QString, ChildAlgorithm >::const_iterator childIt = mChildAlgorithms.constBegin();
@ -592,6 +626,7 @@ bool QgsProcessingModelAlgorithm::loadVariant( const QVariant &model )
mModelName = map.value( QStringLiteral( "model_name" ) ).toString();
mModelGroup = map.value( QStringLiteral( "model_group" ) ).toString();
mHelpContent = map.value( QStringLiteral( "help" ) ).toMap();
mChildAlgorithms.clear();
QVariantMap childMap = map.value( QStringLiteral( "children" ) ).toMap();
@ -880,6 +915,14 @@ bool QgsProcessingModelAlgorithm::canExecute( QString *errorMessage ) const
return true;
}
QString QgsProcessingModelAlgorithm::asPythonCommand( const QVariantMap &parameters, QgsProcessingContext &context ) const
{
if ( mSourceFile.isEmpty() )
return QString(); // temporary model - can't run as python command
return QgsProcessingAlgorithm::asPythonCommand( parameters, context );
}
bool QgsProcessingModelAlgorithm::ChildParameterSource::operator==( const QgsProcessingModelAlgorithm::ChildParameterSource &other ) const
{

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@ -569,8 +569,11 @@ class CORE_EXPORT QgsProcessingModelAlgorithm : public QgsProcessingAlgorithm
QString group() const override;
QIcon icon() const override;
QString svgIconPath() const override;
QString shortHelpString() const override;
QString helpUrl() const override;
bool canExecute( QString *errorMessage SIP_OUT = nullptr ) const override;
QString asPythonCommand( const QVariantMap &parameters, QgsProcessingContext &context ) const override;
/**
* Sets the model \a name.
@ -757,6 +760,39 @@ class CORE_EXPORT QgsProcessingModelAlgorithm : public QgsProcessingAlgorithm
*/
bool fromFile( const QString &path );
/**
* Returns the model's help contents (a free-form map of values describing the algorithm's
* use and metadata).
* \see setHelpContent()
*/
QVariantMap &helpContent() { return mHelpContent; }
/**
* Returns the model's help contents (a free-form map of values describing the algorithm's
* use and metadata).
* \see setHelpContent()
*/
SIP_SKIP QVariantMap helpContent() const;
/**
* Sets the model's help \a contents (a free-form map of values describing the algorithm's
* use and metadata).
* \see helpContent()
*/
void setHelpContent( const QVariantMap &contents );
/**
* Returns the source file path for the model, if available.
* \see setSourceFilePath()
*/
QString sourceFilePath() const;
/**
* Sets the source file \a path for the model, if available.
* \see sourceFilePath()
*/
void setSourceFilePath( const QString &path );
protected:
QVariantMap processAlgorithm( const QVariantMap &parameters,
@ -772,6 +808,11 @@ class CORE_EXPORT QgsProcessingModelAlgorithm : public QgsProcessingAlgorithm
//! Map of parameter name to model parameter component
QMap< QString, ModelParameter > mParameterComponents;
QVariantMap mHelpContent;
//! Model source file
QString mSourceFile;
void dependsOnChildAlgorithmsRecursive( const QString &childId, QSet<QString> &depends ) const;
void dependentChildAlgorithmsRecursive( const QString &childId, QSet<QString> &depends ) const;

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@ -24,6 +24,7 @@
#include "qgsvectorfilewriter.h"
#include "qgsmemoryproviderutils.h"
#include "qgsprocessingparameters.h"
#include "qgsprocessingalgorithm.h"
QList<QgsRasterLayer *> QgsProcessingUtils::compatibleRasterLayers( QgsProject *project, bool sort )
{
@ -428,6 +429,38 @@ QString QgsProcessingUtils::generateTempFilename( const QString &basename )
return path + '/' + basename;
}
QString QgsProcessingUtils::formatHelpMapAsHtml( const QVariantMap &map, const QgsProcessingAlgorithm *algorithm )
{
auto getText = [map]( const QString & key )->QString
{
if ( map.contains( key ) )
return map.value( key ).toString();
return QString();
};
QString s = QObject::tr( "<html><body><h2>Algorithm description</h2>\n " );
s += QStringLiteral( "<p>" ) + getText( QStringLiteral( "ALG_DESC" ) ) + QStringLiteral( "</p>\n" );
s += QObject::tr( "<h2>Input parameters</h2>\n" );
Q_FOREACH ( const QgsProcessingParameterDefinition *def, algorithm->parameterDefinitions() )
{
s += QStringLiteral( "<h3>" ) + def->description() + QStringLiteral( "</h3>\n" );
s += QStringLiteral( "<p>" ) + getText( def->name() ) + QStringLiteral( "</p>\n" );
}
s += QObject::tr( "<h2>Outputs</h2>\n" );
Q_FOREACH ( const QgsProcessingOutputDefinition *def, algorithm->outputDefinitions() )
{
s += QStringLiteral( "<h3>" ) + def->description() + QStringLiteral( "</h3>\n" );
s += QStringLiteral( "<p>" ) + getText( def->name() ) + QStringLiteral( "</p>\n" );
}
s += "<br>";
s += QObject::tr( "<p align=\"right\">Algorithm author: %1</p>" ).arg( getText( QStringLiteral( "ALG_CREATOR" ) ) );
s += QObject::tr( "<p align=\"right\">Help author: %1</p>" ).arg( getText( QStringLiteral( "ALG_HELP_CREATOR" ) ) );
s += QObject::tr( "<p align=\"right\">Algorithm version: %1</p>" ).arg( getText( QStringLiteral( "ALG_VERSION" ) ) );
s += QStringLiteral( "</body></html>" );
return s;
}
//
// QgsProcessingFeatureSource

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@ -183,6 +183,12 @@ class CORE_EXPORT QgsProcessingUtils
*/
static QString generateTempFilename( const QString &basename );
/**
* Returns a HTML formatted version of the help text encoded in a variant \a map for
* a specified \a algorithm.
*/
static QString formatHelpMapAsHtml( const QVariantMap &map, const QgsProcessingAlgorithm *algorithm );
private:
static bool canUseLayer( const QgsRasterLayer *layer );

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@ -3732,6 +3732,8 @@ void TestQgsProcessing::modelerAlgorithm()
// to/from XML
QgsProcessingModelAlgorithm alg5( "test", "testGroup" );
alg5.helpContent().insert( "author", "me" );
alg5.helpContent().insert( "usage", "run" );
QgsProcessingModelAlgorithm::ChildAlgorithm alg5c1;
alg5c1.setChildId( "cx1" );
alg5c1.setAlgorithmId( "buffer" );
@ -3772,6 +3774,7 @@ void TestQgsProcessing::modelerAlgorithm()
QVERIFY( alg6.loadVariant( QgsXmlUtils::readVariant( doc.firstChildElement() ) ) );
QCOMPARE( alg6.name(), QStringLiteral( "test" ) );
QCOMPARE( alg6.group(), QStringLiteral( "testGroup" ) );
QCOMPARE( alg6.helpContent(), alg5.helpContent() );
QgsProcessingModelAlgorithm::ChildAlgorithm alg6c1 = alg6.childAlgorithm( "cx1" );
QCOMPARE( alg6c1.childId(), QStringLiteral( "cx1" ) );
QCOMPARE( alg6c1.algorithmId(), QStringLiteral( "buffer" ) );