def __init__(self,
level: Level,
feedback_result: FeedbackResult,
layer: QgsMapLayer = None) -> None:
self.level = level
self.message = feedback_result.message
self.layer_id = layer.id() if layer else None
self.layer_name = layer.name() if layer else None
def update_symbology(layer: QgsMapLayer,
color: typing.Tuple[int, int, int] = None,
size: float = None,
file: str = None) -> None:
assert layer, 'Layer is not defined'
if file:
assert isinstance(file, str)
(msg, noError) = layer.loadNamedStyle(file)
if not noError:
raise Exception(msg)
renderer = layer.renderer()
symbol = None
if isinstance(renderer, QgsSingleSymbolRenderer):
symbol = renderer.symbol()
elif isinstance(renderer, QgsGraduatedSymbolRenderer):
symbol = renderer.sourceSymbol()
else:
raise Exception('Unknown renderer!')
if color:
assert isinstance(
color, collections.abc.Sequence
), 'Color should be a iteratable of three numbers for Red, Green, Blue; Each of them between 0 and 255'
assert len(color) in (
3, 4
), 'There should be three numbers passed for Red, Green, Blue; Each of them between 0 and 255'
symbol.setColor(QColor.fromRgb(*color))
if size:
# For lines
if type(symbol) == QgsLineSymbol:
symbol.setWidth(size)
# For points
if type(symbol) == QgsMarkerSymbol:
symbol.setSize(size)
layer.triggerRepaint()
iface.layerTreeView().refreshLayerSymbology(layer.id())
