allowing spliting by tag

atlas/api.py

@@ -247,12 +247,20 @@ def view_dicom_tags(request, hash: str):
 def series_split_by_tag(request, series_id: int, dicom_tag:str):
     series = get_object_or_404(Series, pk=series_id)
 
+    if dicom_tag.startswith("(") and dicom_tag.endswith(")"):
+        dicom_tag = tuple([hex(int(i.strip(),16)) for i in dicom_tag[1:-1].split(",")])
+
+    print("1", dicom_tag)
+
     image_map = defaultdict(list)
 
     # Split teh associated images
     for image in series.images.all():
+        print(image)
         ds = image.get_dicom_data()
 
+        print("2a", ds[dicom_tag])
+
         if dicom_tag in ds:
             val = ds[dicom_tag].value
 
@@ -261,7 +269,7 @@ def series_split_by_tag(request, series_id: int, dicom_tag:str):
             else:
                 image_map[val].append(image)
         else:
-            return {f"{dicom_tag} not found"}
+            return [f"{dicom_tag} not found"]
 
     new_series = []
     case = series.case.all()