Refactor DICOM file reading to use dcmread for improved compatibility

atlas/views.py

@@ -1699,12 +1699,12 @@ def image_diff(request):
             first: SeriesImage = get_object_or_404(SeriesImage, pk=image_ids[0])
             second: SeriesImage = get_object_or_404(SeriesImage, pk=image_ids[1])
 
-            first_ds = pydicom.read_file(first.image.file)
+            first_ds = pydicom.dcmread(first.image.file)
             # del first_ds.PixelData
             # j1 = first_ds.to_json_dict()
             f = print_dicom(first_ds, join=False)
 
-            second_ds = pydicom.read_file(second.image.file)
+            second_ds = pydicom.dcmread(second.image.file)
             # del second_ds.PixelData
             # j2 = second_ds.to_json_dict()
             s = print_dicom(second_ds, join=False)
@@ -1721,7 +1721,7 @@ def image_diff(request):
             ds_set = []
             for pk in image_ids:
                 series_image = get_object_or_404(SeriesImage, pk=pk)
-                ds_set.append(pydicom.read_file(series_image.image.file))
+                ds_set.append(pydicom.dcmread(series_image.image.file))
 
             dict_diff = pprint.pformat(compare_dicom_datasets(*ds_set))
             return HttpResponse(f"<pre>{dict_diff}</pre>")