fix: feature iterator, lint

gdal_boots/gdal.py

@@ -975,6 +975,10 @@ def __init__(self, ds: gdal.Dataset, layer: ogr.Layer):
     def __len__(self) -> int:
         return self.ref_layer.GetFeatureCount()
 
+    def __iter__(self):
+        for feature in self.ref_layer:
+            yield Feature(self.ref_ds, feature)
+
     @property
     def size(self):
         return len(self)
@@ -1275,7 +1279,7 @@ def union(self, other):
         pass
 
     def __del__(self):
-        if type(self.ds) == ogr.DataSource:
+        if type(self.ds) is ogr.DataSource:
             self.ds.Destroy()
             self.ds = None
             if self._mem_id:

tests/test_vector.py

@@ -22,8 +22,28 @@ def test_read_from_bytes(minsk_boundary_gpkg):
     with open(minsk_boundary_gpkg, "rb") as fd:
         data = fd.read()
 
-    ds = VectorDataset.from_bytes(data)
-    assert len(ds.layers) == 5
+    vds = VectorDataset.from_bytes(data)
+    assert len(vds.layers) == 5
+
+    layer = vds.layers.first()
+
+    count = 0
+    for feature in layer.features:
+        assert feature.keys() == [
+            "osm_id",
+            "name",
+            "barrier",
+            "highway",
+            "ref",
+            "address",
+            "is_in",
+            "place",
+            "man_made",
+            "other_tags",
+        ]
+        count += 1
+
+    assert count == 7
 
 
 @pytest.mark.skipif(