[style] Improve nationality support on patent entries

src/pelican/plugins/pybtex/style.py

@@ -4,6 +4,7 @@
 types.
 """
 
+import pybtex.database
 from pybtex.style.formatting import toplevel
 import pybtex.style.formatting.unsrt
 from pybtex.style.template import field, node, optional, sentence, tag, words
@@ -54,7 +55,7 @@ def decorator(func):
 
 
 @_monkeypatch_method(pybtex.style.formatting.unsrt.Style)
-def get_patent_template(self, e):
+def get_patent_template(self, e: pybtex.database.Entry):
     """Format patent bibtex entry.
 
     Parameters
@@ -66,11 +67,19 @@ def get_patent_template(self, e):
     -------
         The formatted entry object.
     """
+    assert e.fields is not None
+
+    nationality = e.fields.get("nationality", "")
+
+    if nationality.lower() == "united states":
+        nationality = "U.S."
+
     return toplevel[
         sentence[self.format_names("author")],
         self.format_title(e, "title"),
         sentence(capfirst=False)[
-            tag("em")[field("number")], pybtex.style.formatting.unsrt.date
+            tag("em")[optional[nationality, " "], "Patent ", field("number")],
+            pybtex.style.formatting.unsrt.date,
         ],
         optional[self.format_url(e), optional[" (visited on ", field("urldate"), ")"]],
     ]

tests/data/biblio-patent/content/article.bib

@@ -15,7 +15,6 @@ @patent{pat
 @patent{pat2,
     author = "A. G. Bell",
     title = "Improvement in telegraphy",
-    nationality = "United States",
     number = "174465",
     day = "7",
     month = "3",

tests/test_pybtex.py

@@ -377,7 +377,9 @@ def test_biblio_patent(setup_pelican: tuple[list[logging.LogRecord], pathlib.Pat
 
     # assert that the month number was correctly translated in both entries
     assert "March 1876" in details[0].find_all("summary")[0].text
+    assert "Patent" in details[0].find_all("summary")[0].text
     assert "March 1876" in details[1].find_all("summary")[0].text
+    assert "U.S. Patent" in details[1].find_all("summary")[0].text
 
     _assert_log_no_errors(records)
     _assert_log_contains(