fix: 修正 Cesium 巡航车道中心对齐

scripts/build-osm2streets-qgis.js

@@ -1452,6 +1452,7 @@ from qgis.core import (
     QgsApplication,
     QgsCoordinateReferenceSystem,
     QgsEditorWidgetSetup,
+    QgsFieldConstraints,
     QgsFillSymbol,
     QgsMarkerSymbol,
     QgsMapRendererCustomPainterJob,
@@ -1481,6 +1482,11 @@ try:
 except AttributeError:
     IMAGE_FORMAT = QImage.Format_ARGB32_Premultiplied
 
+try:
+    NOT_NULL_CONSTRAINT = QgsFieldConstraints.Constraint.ConstraintNotNull
+except AttributeError:
+    NOT_NULL_CONSTRAINT = QgsFieldConstraints.ConstraintNotNull
+
 def fill_symbol(color, outline="0,0,0,0", outline_width="0"):
     return QgsFillSymbol.createSimple({
         "color": color,
@@ -1517,7 +1523,7 @@ def make_signal_layer():
     for field_name in ("signal_uid", "control_id", "approach_id", "source_way_id", "stop_lon", "stop_lat"):
         index = layer.fields().indexOf(field_name)
         if index >= 0:
-            layer.setFieldConstraint(index, 1)
+            layer.setFieldConstraint(index, NOT_NULL_CONSTRAINT)
             form = layer.editFormConfig()
             form.setReadOnly(index, True)
             layer.setEditFormConfig(form)