fix dtype checking for float types for numpy >= 2.0

gunpowder/nodes/array_source.py

@@ -22,22 +22,27 @@ class ArraySource(BatchProvider):
         array (``Array``):
 
             A `funlib.persistence.Array` object.
+
+        interpolatable (``bool``, optional):
+
+            Whether the array is interpolatable. If not given it is
+            guessed based on dtype.
+
     """
 
     def __init__(
         self,
         key: ArrayKey,
         array: PersistenceArray,
         interpolatable: bool | None = None,
-        nonspatial: bool = False,
     ):
         self.key = key
         self.array = array
         self.array_spec = ArraySpec(
             self.array.roi,
             self.array.voxel_size,
             interpolatable,
-            nonspatial,
+            False,
             self.array.dtype,
         )
 
@@ -46,10 +51,7 @@ def setup(self):
 
     def provide(self, request):
         outputs = Batch()
-        if self.array_spec.nonspatial:
-            outputs[self.key] = Array(self.array[:], self.array_spec.copy())
-        else:
-            out_spec = self.array_spec.copy()
-            out_spec.roi = request[self.key].roi
-            outputs[self.key] = Array(self.array[out_spec.roi], out_spec)
+        out_spec = self.array_spec.copy()
+        out_spec.roi = request[self.key].roi
+        outputs[self.key] = Array(self.array[out_spec.roi], out_spec)
         return outputs

gunpowder/nodes/dvid_source.py

@@ -182,11 +182,8 @@ def __get_spec(self, array_key):
             spec.dtype = data_dtype
 
         if spec.interpolatable is None:
-            spec.interpolatable = spec.dtype in (
-                np.sctypes["float"]
-                + [
-                    np.uint8,  # assuming this is not used for labels
-                ]
+            spec.interpolatable = np.issubdtype(spec.dtype, np.floating) or (
+                spec.dtype == np.uint8
             )
             logger.warning(
                 "WARNING: You didn't set 'interpolatable' for %s. "

gunpowder/nodes/hdf5like_source_base.py

@@ -174,11 +174,8 @@ def __read_spec(self, array_key, data_file, ds_name):
             spec.dtype = dataset.dtype
 
         if spec.interpolatable is None:
-            spec.interpolatable = spec.dtype in (
-                np.sctypes["float"]
-                + [
-                    np.uint8,  # assuming this is not used for labels
-                ]
+            spec.interpolatable = np.issubdtype(spec.dtype, np.floating) or (
+                spec.dtype == np.uint8
             )
             logger.warning(
                 "WARNING: You didn't set 'interpolatable' for %s "

gunpowder/nodes/klb_source.py

@@ -155,11 +155,8 @@ def __read_spec(self, headers):
             spec.dtype = dtype
 
         if spec.interpolatable is None:
-            spec.interpolatable = spec.dtype in (
-                np.sctypes["float"]
-                + [
-                    np.uint8,  # assuming this is not used for labels
-                ]
+            spec.interpolatable = np.issubdtype(spec.dtype, np.floating) or (
+                spec.dtype == np.uint8
             )
             logger.warning(
                 "WARNING: You didn't set 'interpolatable' for %s. "

gunpowder/nodes/zarr_source.py

@@ -206,11 +206,8 @@ def __read_spec(self, array_key, data_file, ds_name):
             spec.dtype = dataset.dtype
 
         if spec.interpolatable is None:
-            spec.interpolatable = spec.dtype in (
-                np.sctypes["float"]
-                + [
-                    np.uint8,  # assuming this is not used for labels
-                ]
+            spec.interpolatable = np.issubdtype(spec.dtype, np.floating) or (
+                spec.dtype == np.uint8
             )
             logger.warning(
                 "WARNING: You didn't set 'interpolatable' for %s "