Support assigning repeated scalar fields using Python Buffer API.

PiperOrigin-RevId: 918392317

Author: charlesbeattie

pybind11_protobuf/tests/message_test.py

@@ -104,6 +104,11 @@ def test_access_repeated_int_value(self, factory):
     del message.repeated_int_value[1:3]
     self.assertSequenceEqual(message.repeated_int_value, [8, 5])
 
+    message.repeated_int_value.remove(8)
+    self.assertSequenceEqual(message.repeated_int_value, [5])
+    with self.assertRaises(ValueError):
+      message.repeated_int_value.remove(8)
+
     del message.repeated_int_value[:]
     self.assertEmpty(message.repeated_int_value)
 
@@ -191,6 +196,13 @@ def check_values(messages, expected_values):
     del message.repeated_int_message[2:4]
     check_values(message.repeated_int_message, [8, 7, 0, 3])
 
+    to_remove = message.repeated_int_message[1]
+    self.assertEqual(to_remove.value, 7)
+    message.repeated_int_message.remove(to_remove)
+    check_values(message.repeated_int_message, [8, 0, 3])
+    with self.assertRaises(ValueError):
+      message.repeated_int_message.remove(to_remove)
+
     del message.repeated_int_message[:]
     self.assertEmpty(message.repeated_int_message)