refactor(make-ImagesMeta-and-LabelImageMeta-version-fields-required-Literal["0.4",-"0.5"]): Replace version: Literal["0.5"] | None = None with version: Literal["0.4",

  "0.5"] on ImagesMeta and LabelImageMeta. Simplify creation code from "0.5" if
  self.version == "0.5" else None to self.version

Signed-off-by: Sricharan Reddy Varra <sricharan.varra@biohub.org>

Author: srivarra

src/iohub/ngff/models.py

@@ -292,8 +292,7 @@ class LabelImageMeta(MetaBase):
     multiscales: list[MultiScaleMeta]
     # SHOULD: image-label with colors, properties, source
     image_label: PositionLabelMeta = Field(alias="image-label")
-    # only for OME-NGFF v0.5
-    version: Literal["0.5"] | None = None
+    version: Literal["0.4", "0.5"]
     model_config = ConfigDict(extra="allow")
 
 
@@ -308,8 +307,7 @@ class ImagesMeta(MetaBase):
     omero: OMEROMeta | None = None
     # labels group support
     labels: LabelsMeta | None = None
-    # only for OME-NGFF v0.5
-    version: Literal["0.5"] | None = None
+    version: Literal["0.4", "0.5"]
     model_config = ConfigDict(extra="allow")
 
 

src/iohub/ngff/nodes.py

@@ -842,7 +842,7 @@ def _create_label_meta(
                     )
                 ],
                 image_label=image_label_meta,
-                version="0.5" if self.version == "0.5" else None,
+                version=self.version,
             )
         elif dataset_meta.path not in self.metadata.multiscales[0].get_dataset_paths():
             self.metadata.multiscales[0].datasets.append(dataset_meta)
@@ -1189,7 +1189,7 @@ def _create_image_meta(
                     )
                 ],
                 omero=self._omero_meta(id=0, name=self._group.basename),
-                version="0.5" if self.version == "0.5" else None,
+                version=self.version,
             )
         elif dataset_meta.path not in self.metadata.multiscales[0].get_dataset_paths():
             self.metadata.multiscales[0].datasets.append(dataset_meta)