Rename sha256 to checksum (#4689)

Author: jmsmkn

app/grandchallenge/algorithms/admin.py

@@ -280,7 +280,7 @@ class AlgorithmModelAdmin(admin.ModelAdmin):
     readonly_fields = (
         "creator",
         "algorithm",
-        "sha256",
+        "checksum",
         "size_in_storage",
         "user_upload",
         "import_status",

app/grandchallenge/algorithms/migrations/0095_rename_sha256_algorithmmodel_checksum.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.12 on 2026-04-28 16:06
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("algorithms", "0094_remove_endpoint_algorithm_interface_and_more"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="algorithmmodel",
+            old_name="sha256",
+            new_name="checksum",
+        ),
+    ]

app/grandchallenge/algorithms/templates/algorithms/algorithmmodel_detail.html

@@ -75,9 +75,9 @@ <h2>Algorithm Model</h2>
             <dd>{{ object.model.size|naturalsize }}</dd>
         {% endif %}
 
-        {% if object.sha256 %}
-            <dt>SHA256</dt>
-            <dd>{{ object.sha256 }}</dd>
+        {% if object.checksum %}
+            <dt>Checksum</dt>
+            <dd>{{ object.checksum }}</dd>
         {% endif %}
 
         <dt>Import Status</dt>

app/grandchallenge/components/models.py

@@ -2901,7 +2901,7 @@ class Tarball(UUIDModel):
         on_delete=models.SET_NULL,
         validators=[validate_gzip_mimetype],
     )
-    sha256 = models.CharField(editable=False, max_length=71)
+    checksum = models.CharField(editable=False, max_length=71)
     size_in_storage = models.PositiveBigIntegerField(
         editable=False,
         default=0,

app/grandchallenge/components/tasks.py

@@ -1607,7 +1607,7 @@ def assign_tarball_from_upload(
     checksum = get_object_checksum(getattr(current_tarball, field_to_copy))
 
     if (
-        TarballModel.objects.filter(sha256=checksum)
+        TarballModel.objects.filter(checksum=checksum)
         .exclude(pk=current_tarball.pk)
         .exists()
     ):
@@ -1620,7 +1620,7 @@ def assign_tarball_from_upload(
 
         return
 
-    current_tarball.sha256 = checksum
+    current_tarball.checksum = checksum
     current_tarball.size_in_storage = getattr(
         current_tarball, field_to_copy
     ).size

app/grandchallenge/evaluation/admin.py

@@ -238,7 +238,7 @@ class EvaluationGroundTruthAdmin(admin.ModelAdmin):
     readonly_fields = (
         "creator",
         "phase",
-        "sha256",
+        "checksum",
         "size_in_storage",
         "ground_truth",
     )

app/grandchallenge/evaluation/forms.py

@@ -490,7 +490,7 @@ def clean_algorithm(self):
 
         if algorithm.active_model:
             extra_submission_filter = {
-                "algorithm_model__sha256": algorithm.active_model.sha256
+                "algorithm_model__checksum": algorithm.active_model.checksum
             }
         else:
             extra_submission_filter = {"algorithm_model__isnull": True}

app/grandchallenge/evaluation/migrations/0106_rename_sha256_evaluationgroundtruth_checksum.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.2.12 on 2026-04-28 16:06
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "evaluation",
+            "0105_remove_method_storage_cost_per_year_usd_millicents",
+        ),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="evaluationgroundtruth",
+            old_name="sha256",
+            new_name="checksum",
+        ),
+    ]

app/grandchallenge/evaluation/templates/evaluation/evaluationgroundtruth_detail.html

@@ -75,9 +75,9 @@ <h2>Ground Truth</h2>
             <dd>{{ object.ground_truth.size|naturalsize }}</dd>
         {% endif %}
 
-        {% if object.sha256 %}
-            <dt>SHA256</dt>
-            <dd>{{ object.sha256 }}</dd>
+        {% if object.checksum %}
+            <dt>Checksum</dt>
+            <dd>{{ object.checksum }}</dd>
         {% endif %}
 
         <dt>Import Status</dt>

app/tests/algorithms_tests/factories.py

@@ -53,7 +53,7 @@ class Meta:
     algorithm = factory.SubFactory(AlgorithmFactory)
     creator = factory.SubFactory(UserFactory)
     model = factory.django.FileField()
-    sha256 = factory.sequence(lambda n: hash_sha256(f"image{n}"))
+    checksum = factory.sequence(lambda n: hash_sha256(f"image{n}"))
 
 
 class AlgorithmJobFactory(factory.django.DjangoModelFactory):