Class: QgsProcessingParameterMapLayer

class qgis.core.QgsProcessingParameterMapLayer

Bases: QgsProcessingParameterDefinition, QgsProcessingParameterLimitedDataTypes, QgsFileFilterGenerator

A map layer parameter for processing algorithms.

New in version 3.0.

QgsProcessingParameterMapLayer(name: str, description: str = ‘’, defaultValue: Any = None, optional: bool = False, types: Iterable[int] = []) Constructor for QgsProcessingParameterMapLayer.

QgsProcessingParameterMapLayer(QgsProcessingParameterMapLayer)

Methods

asPythonString

param outputType

asScriptCode

rtype

str

checkValueIsAcceptable

param input

clone

rtype

QgsProcessingParameterDefinition

createFileFilter

rtype

str

fromScriptCode

Creates a new parameter using the definition from a script code.

fromVariantMap

param map

toVariantMap

rtype

Dict[str, Any]

type

rtype

str

typeName

Returns the type name for the parameter class.

valueAsPythonString

param value

asPythonString(self, outputType: QgsProcessing.PythonOutputType = QgsProcessing.PythonQgsProcessingAlgorithmSubclass)str
Parameters

outputType (QgsProcessing.PythonOutputType = QgsProcessing.PythonQgsProcessingAlgorithmSubclass) –

Return type

str

asScriptCode(self)str
Return type

str

checkValueIsAcceptable(self, input: Any, context: QgsProcessingContext = None)bool
Parameters
Return type

bool

clone(self)QgsProcessingParameterDefinition
Return type

QgsProcessingParameterDefinition

createFileFilter(self)str
Return type

str

fromScriptCode(name: str, description: str, isOptional: bool, definition: str)QgsProcessingParameterMapLayer

Creates a new parameter using the definition from a script code.

Parameters
  • name (str) –

  • description (str) –

  • isOptional (bool) –

  • definition (str) –

Return type

QgsProcessingParameterMapLayer

fromVariantMap(self, map: Dict[str, Any])bool
Parameters

map (Dict[str) –

Return type

bool

toVariantMap(self)Dict[str, Any]
Return type

Dict[str, Any]

type(self)str
Return type

str

typeName()str

Returns the type name for the parameter class.

Return type

str

valueAsPythonString(self, value: Any, context: QgsProcessingContext)str
Parameters
Return type

str