From 0eb1423588d511e3ce5cfb73a972a3fd25f0202d Mon Sep 17 00:00:00 2001
From: rmfranken <robin.franken@epfl.ch>
Date: Mon, 16 Dec 2024 16:24:09 +0100
Subject: [PATCH] fix: DOI from dict, not flat value

---
 gimie/parsers/cff.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/gimie/parsers/cff.py b/gimie/parsers/cff.py
index ef76ad2..7b8d935 100644
--- a/gimie/parsers/cff.py
+++ b/gimie/parsers/cff.py
@@ -145,9 +145,15 @@ def get_cff_doi(data: bytes) -> Optional[str]:
     except yaml.scanner.ScannerError:
         logger.warning("cannot read CITATION.cff, skipped.")
         return None
-
     try:
-        doi_url = doi_to_url(cff["doi"])
+        identifiers = cff.get("identifiers", [])
+        doi_identifier = next(
+            (id for id in identifiers if id.get("type") == "doi"), None
+        )
+        if doi_identifier:
+            doi_url = doi_to_url(doi_identifier["value"])
+        else:
+            raise KeyError("No DOI found in identifiers")
     # No doi in cff file
     except (KeyError, TypeError):
         logger.warning("CITATION.cff does not contain a 'doi' key.")