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-rw-r--r--python/fatcat_web/entity_helpers.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/python/fatcat_web/entity_helpers.py b/python/fatcat_web/entity_helpers.py
index 4d13da43..d82ea0e9 100644
--- a/python/fatcat_web/entity_helpers.py
+++ b/python/fatcat_web/entity_helpers.py
@@ -72,6 +72,12 @@ def enrich_release_entity(entity):
# November 1.
if ref.extra and ref.extra.get('unstructured'):
ref.extra['unstructured'] = strip_extlink_xml(ref.extra['unstructured'])
+ # for backwards compatability, copy extra['subtitle'] to subtitle
+ if not entity.subtitle and entity.extra and entity.extra.get('subtitle'):
+ if isinstance(entity.extra['subtitle'], str):
+ entity.subtitle = entity.extra['subtitle']
+ elif isinstance(entity.extra['subtitle'], list):
+ entity.subtitle = entity.extra['subtitle'][0] or None
# author list to display; ensure it's sorted by index (any othors with
# index=None go to end of list)
authors = [c for c in entity.contribs if