Fix #966: More robust importer against malformed dates

api/funkwhale_api/music/metadata.py

@@ -556,7 +556,7 @@ class PermissiveDateField(serializers.CharField):
         try:
             parsed = pendulum.parse(str(value))
             return datetime.date(parsed.year, parsed.month, parsed.day)
-        except pendulum.exceptions.ParserError:
+        except (pendulum.exceptions.ParserError, ValueError):
             pass
 
         return None

api/tests/music/test_metadata.py

@@ -239,6 +239,7 @@ def test_can_get_metadata_from_flac_file_not_crash_if_empty():
         ("2017-12-31", datetime.date(2017, 12, 31)),
         ("2017-14-01 01:32", datetime.date(2017, 1, 14)),  # deezer format
         ("2017-02", datetime.date(2017, 1, 1)),  # weird format that exists
+        ("0000", None),
         ("nonsense", None),
     ],
 )

changes/changelog.d/966.bugfix

@@ -0,0 +1 @@
+More robust importer against malformed dates (#966)