Subgroup: Feature

Class: QgsFeatureIterator

class qgis.core.QgsFeatureIterator

Bases: sip.wrapper

Construct invalid iterator

QgsFeatureIterator(iter: QgsAbstractFeatureIterator) Construct a valid iterator

QgsFeatureIterator(fi: QgsFeatureIterator) Copy constructor copies the iterator, increases ref.count

Wrapper for iterator of features from vector data provider or vector layer

Methods

close
compileFailed Indicator if there was an error when sending the compiled query to the server.
compileStatus Returns the status of expression compilation for filter expression requests.
isClosed find out whether the iterator is still valid or closed already
isValid Will return if this iterator is valid.
nextFeature
rewind

Signals

Attributes

close(self) → bool
compileFailed(self) → bool

Indicator if there was an error when sending the compiled query to the server. This indicates that there is something wrong with the expression compiler.

New in version 3.2.

compileStatus(self) → QgsAbstractFeatureIterator.CompileStatus

Returns the status of expression compilation for filter expression requests.

New in version 2.16.

isClosed(self) → bool

find out whether the iterator is still valid or closed already

isValid(self) → bool

Will return if this iterator is valid. An invalid iterator was probably introduced by a failed attempt to acquire a connection or is a default constructed iterator.

See also

isClosed()

New in version 3.0.

nextFeature(self, f: QgsFeature) → bool
rewind(self) → bool