fix(chore): RemovedInMarshmallow4Warning

* The `context` parameter is deprecated and will be removed in
  marshmallow 4.0. Use `contextvars.ContextVar` to pass context instead.

* doi_all_versions moved to schema_kwargs which will be injected into
  the schema as property

Author: utnapischtim

invenio_rdm_records/resources/serializers/bibtex/schema.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2023-2025 CERN
+# Copyright (C) 2025 Graz University of Technology.
 #
 # Invenio-RDM-Records is free software; you can redistribute it and/or modify
 # it under the terms of the MIT License; see LICENSE file for more details.
@@ -69,6 +70,11 @@ class BibTexSchema(BaseSerializerSchema, CommonFieldsMixin):
     }
     """Maps resource types to formats."""
 
+    def __init__(self, doi_all_versions=False, **kwargs):
+        """Construct."""
+        super().__init__(**kwargs)
+        self.doi_all_versions = doi_all_versions
+
     @property
     def default_entry_type(self):
         """Read-only property that defines the default bibtex entry type to be used.
@@ -79,7 +85,7 @@ def default_entry_type(self):
 
     def get_id(self, obj):
         """Get record id."""
-        if self.context.get("doi_all_versions", False):
+        if self.doi_all_versions:
             # If all versions export is requested, return the parent id
             return obj["parent"]["id"]
         return obj["id"]

tests/resources/serializers/test_bibtex_serializer.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2023-2025 CERN
+# Copyright (C) 2025 Graz University of Technology.
 #
 # Invenio-RDM-Records is free software; you can redistribute it and/or modify
 # it under the terms of the MIT License; see LICENSE file for more details.
@@ -85,7 +86,7 @@ def test_bibtex_serializer_full_record(running_app, updated_full_record):
 
 def test_bibtex_serializer_record_all_versions(running_app, updated_full_record):
     """Test serializer for BibTex (All versions)."""
-    serializer = BibtexSerializer(schema_context={"doi_all_versions": True})
+    serializer = BibtexSerializer(schema_kargs={"doi_all_versions": True})
     serialized_record = serializer.serialize_object(updated_full_record)
 
     expected_data = (