From 6c09ed318d7a4abbc180051497faa024a67fbee2 Mon Sep 17 00:00:00 2001
From: Charles Tapley Hoyt <cthoyt@gmail.com>
Date: Wed, 29 Nov 2023 14:00:30 +0100
Subject: [PATCH] Reuse constant

---
 src/sssom/parsers.py | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/sssom/parsers.py b/src/sssom/parsers.py
index 469a1fdc..09bb1047 100644
--- a/src/sssom/parsers.py
+++ b/src/sssom/parsers.py
@@ -33,6 +33,7 @@
     OBJECT_LABEL,
     OBJECT_SOURCE,
     OBJECT_SOURCE_ID,
+    OBO_HAS_DB_XREF_URI,
     OWL_EQUIV_CLASS_URI,
     PREDICATE_ID,
     RDF_TYPE,
@@ -68,8 +69,6 @@
 
 logging = _logging.getLogger(__name__)
 
-DBXREF_URI = "http://www.geneontology.org/formats/oboInOwl#hasDbXref"
-
 # * *******************************************************
 # Parsers (from file)
 
@@ -591,9 +590,11 @@ def from_obographs(
                 continue
 
             node_uri = node["id"]
-            if DBXREF_URI in mapping_predicates:
+            if OBO_HAS_DB_XREF_URI in mapping_predicates:
                 for xref in meta.get("xrefs", []):
-                    mdict = _make_mdict(node_uri, DBXREF_URI, xref["val"], converter, labels)
+                    mdict = _make_mdict(
+                        node_uri, OBO_HAS_DB_XREF_URI, xref["val"], converter, labels
+                    )
                     _add_valid_mapping_to_list(mdict, mlist)
 
             for value in meta.get("basicPropertyValues", []):