From 2dc75f4ec095469add4fe7392b85dd9a582ed1a7 Mon Sep 17 00:00:00 2001
From: Charles Tapley Hoyt <cthoyt@gmail.com>
Date: Fri, 4 Jul 2025 13:07:08 +0200
Subject: [PATCH 1/2] Add Medgen handling

Follow-up to https://github.com/biopragmatics/bioregistry/pull/1567
---
 src/curies_processing/rules.json | 21 +++++++++++++++++++++
 tests/test_api.py                | 17 +++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/src/curies_processing/rules.json b/src/curies_processing/rules.json
index adb3c61..4a38f5b 100644
--- a/src/curies_processing/rules.json
+++ b/src/curies_processing/rules.json
@@ -644,6 +644,16 @@
       "KEGG DRUG": "KEGG.DRUG",
       "KEGG.COMPOUND:c": "KEGG.COMPOUND:C",
       "LIPID MAPS:": "LIPIDMAPS:",
+      "MEDGEN:C0": "umls:C0",
+      "MEDGEN:C1": "umls:C1",
+      "MEDGEN:C2": "umls:C2",
+      "MEDGEN:C3": "umls:C3",
+      "MEDGEN:C4": "umls:C4",
+      "MEDGEN:C5": "umls:C5",
+      "MEDGEN:C6": "umls:C6",
+      "MEDGEN:C7": "umls:C7",
+      "MEDGEN:C8": "umls:C8",
+      "MEDGEN:C9": "umls:C9",
       "MONDOLEX:": "MONDO:",
       "MedlinePlus: ": "MedlinePlus:",
       "MicrO.owl/MICRO:": "MICRO:",
@@ -676,6 +686,7 @@
       "TS-": "caloha:",
       "UM-BBD_enzymeID:r": "umbbd.reaction:r",
       "UMLS CUI:": "UMLS:",
+      "UMLS:CN": "medgen.cid:CN",
       "URL: ": "URL:",
       "URL: http\\://": "http://",
       "URL:http\\://": "http://",
@@ -699,6 +710,16 @@
       "http:http\\://en.wikipedia.org/wiki/": "wikipedia.en:",
       "http:http\\:en.wikipedia.org/wiki/": "wikipedia.en:",
       "http:www": "http://www",
+      "medgen:C0": "umls:C0",
+      "medgen:C1": "umls:C1",
+      "medgen:C2": "umls:C2",
+      "medgen:C3": "umls:C3",
+      "medgen:C4": "umls:C4",
+      "medgen:C5": "umls:C5",
+      "medgen:C6": "umls:C6",
+      "medgen:C7": "umls:C7",
+      "medgen:C8": "umls:C8",
+      "medgen:C9": "umls:C9",
       "odo:ADCAD_": "adcad:",
       "odo:MOSAIC_": "mosaic:",
       "omim:PS": "omim.ps:",
diff --git a/tests/test_api.py b/tests/test_api.py
index fa9bd40..a7c949f 100644
--- a/tests/test_api.py
+++ b/tests/test_api.py
@@ -14,6 +14,8 @@ def test_wrap(self) -> None:
         """Test wrapping a converter."""
         c = curies.get_obo_converter()
         c.add_prefix("NLXDYS", "http://uri.neuinfo.org/nif/nifstd/nlx_dys_")
+        c.add_prefix("medgen", "https://www.ncbi.nlm.nih.gov/medgen/")
+        c.add_prefix("medgen.cid", "https://bioregistry.io/medgen.cid:")
         c = curies_processing.wrap(c)
 
         r1 = c.parse("GOC:CJM", strict=True)
@@ -23,3 +25,18 @@ def test_wrap(self) -> None:
         r2 = c.parse("NIFSTD:nlx_dys_20090602", strict=True)
         self.assertEqual("NLXDYS", r2.prefix)
         self.assertEqual("20090602", r2.identifier)
+
+        # test normal medgen parsing
+        r4 = c.parse("medgen:12345", strict=True)
+        self.assertEqual("medgen", r4.prefix)
+        self.assertEqual("12345", r4.identifier)
+
+        # test remapping to UMLS
+        r3 = c.parse("medgen:C123456", strict=True)
+        self.assertEqual("umls", r3.prefix)
+        self.assertEqual("C123456", r3.identifier)
+
+        # test remapping to MEDGEN CID
+        r5 = c.parse("medgen:CN970821", strict=True)
+        self.assertEqual("medgen.cid", r5.prefix)
+        self.assertEqual("CN970821", r5.identifier)

From ef7879e78c3e25721c40b463ea51db64e0785d2a Mon Sep 17 00:00:00 2001
From: Charles Tapley Hoyt <cthoyt@gmail.com>
Date: Fri, 4 Jul 2025 13:12:01 +0200
Subject: [PATCH 2/2] Update rules.json

---
 src/curies_processing/rules.json | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/curies_processing/rules.json b/src/curies_processing/rules.json
index 4a38f5b..19856b4 100644
--- a/src/curies_processing/rules.json
+++ b/src/curies_processing/rules.json
@@ -654,6 +654,16 @@
       "MEDGEN:C7": "umls:C7",
       "MEDGEN:C8": "umls:C8",
       "MEDGEN:C9": "umls:C9",
+      "MEDGEN:CN0": "medgen.cid:CN0",
+      "MEDGEN:CN1": "medgen.cid:CN1",
+      "MEDGEN:CN2": "medgen.cid:CN2",
+      "MEDGEN:CN3": "medgen.cid:CN3",
+      "MEDGEN:CN4": "medgen.cid:CN4",
+      "MEDGEN:CN5": "medgen.cid:CN5",
+      "MEDGEN:CN6": "medgen.cid:CN6",
+      "MEDGEN:CN7": "medgen.cid:CN7",
+      "MEDGEN:CN8": "medgen.cid:CN8",
+      "MEDGEN:CN9": "medgen.cid:CN9",
       "MONDOLEX:": "MONDO:",
       "MedlinePlus: ": "MedlinePlus:",
       "MicrO.owl/MICRO:": "MICRO:",
@@ -720,6 +730,16 @@
       "medgen:C7": "umls:C7",
       "medgen:C8": "umls:C8",
       "medgen:C9": "umls:C9",
+      "medgen:CN0": "medgen.cid:CN0",
+      "medgen:CN1": "medgen.cid:CN1",
+      "medgen:CN2": "medgen.cid:CN2",
+      "medgen:CN3": "medgen.cid:CN3",
+      "medgen:CN4": "medgen.cid:CN4",
+      "medgen:CN5": "medgen.cid:CN5",
+      "medgen:CN6": "medgen.cid:CN6",
+      "medgen:CN7": "medgen.cid:CN7",
+      "medgen:CN8": "medgen.cid:CN8",
+      "medgen:CN9": "medgen.cid:CN9",
       "odo:ADCAD_": "adcad:",
       "odo:MOSAIC_": "mosaic:",
       "omim:PS": "omim.ps:",