improve image hashing

atlas/api.py

@@ -58,10 +58,10 @@ def upload_dicom(request, files: List[UploadedFile] = File(...)):
 
             ud.save()
 
-            uploaded.append((file.name, ud.image_md5_hash))
+            uploaded.append((file.name, ud.image_blake3_hash))
         except DuplicateDicom:
-            print(ud.check_for_duplicates(ud.image_md5_hash))
-            duplicate.append((file.name, ud.image_md5_hash))
+            print(ud.check_for_duplicates(ud.image_blake3_hash))
+            duplicate.append((file.name, ud.image_blake3_hash))
             pass
 
     return {"uploaded": uploaded, "duplicates": duplicate}
@@ -91,7 +91,7 @@ def uncategorised_dicoms(request):
         tags = d.get_basic_dicom_tags()
 
         data[tags["SeriesInstanceUID"]].append(tags)
-        data["image_hash"].append(d.image_md5_hash)
+        data["image_hash"].append(d.image_blake3_hash)
 
     return data
 
@@ -137,7 +137,7 @@ def import_dicoms_helper(request, case_id: int | None = None):
                 image=dicom.image,
                 series=series,
                 is_dicom=True,
-                image_md5_hash=dicom.image_md5_hash,
+                image_blake3_hash=dicom.image_blake3_hash,
             )
             series_image.save()
             # dicom.image.delete()
@@ -171,9 +171,9 @@ def series_remove_duplicate_images(request, series_id: int):
     img_ids = set()
     dupes = set()
     for series_image in series.images.all():
-        if series_image.image_md5_hash in img_ids:
+        if series_image.image_blake3_hash in img_ids:
             dupes.add(series_image.id)
-        img_ids.add(series_image.image_md5_hash)
+        img_ids.add(series_image.image_blake3_hash)
 
     if dupes:
         SeriesImage.objects.filter(id__in=dupes).delete()
@@ -210,7 +210,7 @@ def get_cases_user(request):
 def check_image_hash(request, hash: str):
     try:
         print(hash)
-        series_image = SeriesImage.objects.get(image_md5_hash=hash)
+        series_image = SeriesImage.objects.get(image_blake3_hash=hash)
         data = {
             "status": "success",
             "id": series_image.pk,
@@ -234,7 +234,7 @@ def check_images_hashes(request, hashes: List[str]):
     for hash in hashes:
         try:
             print(hash)
-            series_image = SeriesImage.objects.get(image_md5_hash=hash)
+            series_image = SeriesImage.objects.get(image_blake3_hash=hash)
             data = {
                 "id": series_image.pk,
                 "url": series_image.series.get_absolute_url(),
@@ -250,7 +250,7 @@ def check_images_hashes(request, hashes: List[str]):
 def generate_image_hash(request, id: int):
         series_image = SeriesImage.objects.get(pk=id)
 
-        series_image.image_md5_hash = ""
+        series_image.image_blake3_hash = ""
 
         series_image.save()
 
@@ -259,7 +259,7 @@ def generate_image_hash(request, id: int):
 @router.get("/view_dicom_tags/{hash}", auth=django_auth)
 def view_dicom_tags(request, hash: str):
 
-    item = SeriesImage.objects.get(image_md5_hash=hash)
+    item = SeriesImage.objects.get(image_blake3_hash=hash)
     return item.get_dicom_json()
 
 @router.get("/series_split_by_dicom_tag/{series_id}/{dicom_tag}", auth=django_auth)