feat(itkwasm): add Python TransformList type

Author: thewtex

packages/core/python/itkwasm/itkwasm/__init__.py

@@ -6,7 +6,7 @@
 from .image import Image, ImageType, ImageRegion
 from .point_set import PointSet, PointSetType
 from .mesh import Mesh, MeshType
-from .transform import Transform, TransformType, TransformParameterizations
+from .transform import TransformList, Transform, TransformType, TransformParameterizations
 from .polydata import PolyData, PolyDataType
 from .binary_file import BinaryFile
 from .binary_stream import BinaryStream
@@ -43,6 +43,7 @@
     "MeshType",
     "PolyData",
     "PolyDataType",
+    "TransformList",
     "Transform",
     "TransformType",
     "TransformParameterizations",

packages/core/python/itkwasm/itkwasm/transform.py

@@ -1,6 +1,6 @@
 from dataclasses import dataclass, field
 from enum import Enum
-from typing import Sequence, Union, Dict, Optional
+from typing import Sequence, Union, Dict, Optional, List
 
 try:
     from numpy.typing import ArrayLike
@@ -62,4 +62,6 @@ class Transform:
 
     def __post_init__(self):
         if isinstance(self.transformType, dict):
-            self.transformType = TransformType(**self.transformType)
+            self.transformType = TransformType(**self.transformType)
+
+TransformList = List[Transform]