Class: QgsTaskWithSerialSubTasks

A task that is composed of sub-tasks to be executed in a serial way.

This may be useful for example to add several layers in a single target dataset which does not support concurrent updates.

Added in version 3.36.

Class Hierarchy

Base classes

QgsTask	Abstract base class for long running background tasks.
QObject

Methods

addSubTask

Add a subtask and transfer its ownership

class qgis.core.QgsTaskWithSerialSubTasks

Bases: QgsTask

__init__(desc: str | None = '')

Constructor

Parameters:

desc (Optional[str] = '')

addSubTask(self, subTask: QgsTask | None)

Add a subtask and transfer its ownership

The parent task must be added to a QgsTaskManager for subtasks to be utilized. Subtasks should not be added manually to a QgsTaskManager, rather, only the parent task should be added to the manager.

For now, subtasks can NOT be nested.

Parameters:

subTask (Optional[QgsTask])