Add rnacentral_id and description

rnacentral/apiv1/serializers.py

@@ -963,4 +963,6 @@ def get_ensembl_assembly(self, obj):
 class Md5Serializer(serializers.Serializer):
     """Serializer class to fetch sequence using md5"""
 
+    rnacentral_id = serializers.CharField(source="id")
+    description = serializers.CharField()
     sequence = serializers.CharField(source="get_sequence")

rnacentral/apiv1/urls.py

@@ -125,12 +125,6 @@
         cache_page(CACHE_TIMEOUT)(views.LncrnaTargetsView.as_view()),
         name="rna-lncrna-targets",
     ),
-    # fetch sequence using md5
-    url(
-        r"md5/(?P<md5>.*?)/?$",
-        cache_page(CACHE_TIMEOUT)(views.Md5SequenceView.as_view({"get": "retrieve"})),
-        name="md5-sequence",
-    ),
     # Information about the qc status for a given sequence
     url(
         r"^rna/(?P<pk>URS[0-9A-Fa-f]{10})/qc-status/(?P<taxid>\d+)/?$",
@@ -202,6 +196,12 @@
         {},
         name="litsumm-specific-id",
     ),
+    # fetch sequence using md5
+    url(
+        r"md5/(?P<md5>.*?)/?$",
+        cache_page(CACHE_TIMEOUT)(views.Md5SequenceView.as_view()),
+        name="md5-sequence",
+    ),
 ]
 
 urlpatterns = format_suffix_patterns(

rnacentral/apiv1/views.py

@@ -1105,9 +1105,20 @@ def get_queryset(self):
         return queryset
 
 
-class Md5SequenceView(ReadOnlyModelViewSet):
+class Md5SequenceView(APIView):
     """API endpoint to fetch sequence using md5 field"""
 
-    queryset = Rna.objects.all()
-    serializer_class = Md5Serializer
-    lookup_field = "md5"
+    permission_classes = (AllowAny,)
+
+    def get(self, request, md5):
+        try:
+            rna = Rna.objects.get(md5=md5)
+        except Rna.DoesNotExist:
+            raise Http404
+
+        precomputed = RnaPrecomputed.objects.filter(upi=rna, taxid__isnull=True).first()
+        if not precomputed:
+            raise Http404
+
+        serializer = Md5Serializer(precomputed)
+        return Response(serializer.data)