fix(Python): support empty image metadata

InsightSoftwareConsortium · Aug 22, 2023 · 9d220ba · 9d220ba
1 parent 201f7a2
commit 9d220ba
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/packages/core/python/itkwasm/itkwasm/__init__.py b/packages/core/python/itkwasm/itkwasm/__init__.py
@@ -1,6 +1,6 @@
 """itkwasm: Python interface to itk-wasm WebAssembly modules."""
 
-__version__ = "1.0b129"
+__version__ = "1.0b130"
 
 from .interface_types import InterfaceTypes
 from .image import Image, ImageType

diff --git a/packages/core/python/itkwasm/itkwasm/pyodide.py b/packages/core/python/itkwasm/itkwasm/pyodide.py
@@ -163,8 +163,10 @@ def to_js(py):
         image_dict['direction'] = image_dict['direction'].ravel()
         if image_dict['data'] is not None:
             image_dict['data'] = image_dict['data'].ravel()
-        if image_dict['metadata']:
+        if 'metadata' in image_dict:
             image_dict['metadata'] = pyodide.ffi.to_js(image_dict['metadata'], dict_converter=js.Map.new)
+        else:
+            image_dict['metadata'] = pyodide.ffi.to_js(dict(), dict_converter=js.Map.new)
         return pyodide.ffi.to_js(image_dict, dict_converter=js.Object.fromEntries)
     elif isinstance(py, PointSet):
         point_set_dict = asdict(py)