Class: QgsVariantUtils

class qgis.core.QgsVariantUtils

Bases: sip.wrapper

Contains utility functions for working with QVariants and QVariant types.

New in version 3.24:

Methods

isNull

Returns True if the specified variant should be considered a NULL value.

typeToDisplayString

Returns a user-friendly translated string representing a QVariant type.

isNull(variant: Any) bool

Returns True if the specified variant should be considered a NULL value.

This method is more rigorous vs QVariant.isNull(), which will return False on newer Qt versions for tests like QVariant( QDateTime() ).isNull().

New in version 3.28.

Parameters

variant (Any) –

Return type

bool

typeToDisplayString(type: QVariant.Type, subType: QVariant.Type = QVariant.Type.Invalid) str

Returns a user-friendly translated string representing a QVariant type.

The optional subType can be used to specify the type of variant list or map values.

Parameters
  • type (QVariant.Type) –

  • subType (QVariant.Type = QVariant.Type.Invalid) –

Return type

str