[name] Be less cautious about getting data for NameRecord comparisons

Lib/fontTools/ttLib/tables/_n_a_m_e.py

@@ -462,32 +462,28 @@ class NameRecord(object):
 		try:
 			# implemented so that list.sort() sorts according to the spec.
 			selfTuple = (
-				getattr(self, "platformID", None),
-				getattr(self, "platEncID", None),
-				getattr(self, "langID", None),
-				getattr(self, "nameID", None),
+				self.platformID,
+				self.platEncID,
+				self.langID,
+				self.nameID,
 				self.toBytes(),
 			)
 			otherTuple = (
-				getattr(other, "platformID", None),
-				getattr(other, "platEncID", None),
-				getattr(other, "langID", None),
-				getattr(other, "nameID", None),
+				other.platformID,
+				other.platEncID,
+				other.langID,
+				other.nameID,
 				other.toBytes(),
 			)
 			return selfTuple < otherTuple
-		except UnicodeEncodeError:
-			# This can only be reached if all IDs are identical but the strings
-			# can't be encoded for their platform encoding.
-			logging.warning(
-				"The name table contains multiple entries for platformID %d, "
-				"platEncID %d, langID %d, nameID %d with strings that cannot be "
-				"properly encoded.",
-				getattr(self, "platformID", None),
-				getattr(self, "platEncID", None),
-				getattr(self, "langID", None),
-				getattr(self, "nameID", None),
-			)
+		except (UnicodeEncodeError, AttributeError):
+			# This can only happen for
+			# 1) an object that is not a NameRecord, or
+			# 2) an unlikely incomplete NameRecord object which has not been
+			#    fully populated, or
+			# 3) when all IDs are identical but the strings can't be encoded
+			#    for their platform encoding.
+			# In all cases it is best to return NotImplemented.
 			return NotImplemented
 
 	def __repr__(self):

Tests/ttLib/tables/_n_a_m_e_test.py

@@ -70,12 +70,8 @@ class NameTableTest(unittest.TestCase):
 			makeName("Test寬", 25, 1, 0, 0),
 			makeName("Test鬆鬆", 25, 1, 0, 0),
 		]
-		with CapturingLogHandler(log, "WARNING") as captor:
-			with self.assertRaises(TypeError):
-				table.names.sort()
-		self.assertTrue(
-			all("cannot be properly encoded" in r.msg for r in captor.records)
-		)
+		with self.assertRaises(TypeError):
+			table.names.sort()
 
 	def test_addName(self):
 		table = table__n_a_m_e()