From abee1c14e7df05a08d559d9fce7435b9e2aced9e Mon Sep 17 00:00:00 2001
From: yujonglee <yujong@berri.ai>
Date: Thu, 8 Oct 2026 17:20:28 -0700
Subject: [PATCH] refactor(python-bridge): derive NativeCall extraction
 (#45449)

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
---
 .../crates/python-bridge/src/routes/mod.rs       | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/litellm-rust/crates/python-bridge/src/routes/mod.rs b/litellm-rust/crates/python-bridge/src/routes/mod.rs
index 646b7799730..deb29f12bab 100644
--- a/litellm-rust/crates/python-bridge/src/routes/mod.rs
+++ b/litellm-rust/crates/python-bridge/src/routes/mod.rs
@@ -16,24 +16,16 @@ use pyo3::{
     types::{PyDict, PyMapping, PyTuple},
 };
 
+#[derive(FromPyObject)]
 pub(crate) struct NativeCall<'py> {
+    #[pyo3(attribute)]
     args: Bound<'py, PyTuple>,
+    #[pyo3(attribute, from_py_with = mapping_dict)]
     kwargs: Bound<'py, PyDict>,
+    #[pyo3(attribute, from_py_with = mapping_dict)]
     bound: Bound<'py, PyDict>,
 }
 
-impl<'py> FromPyObject<'_, 'py> for NativeCall<'py> {
-    type Error = PyErr;
-
-    fn extract(call: Borrowed<'_, 'py, PyAny>) -> PyResult<Self> {
-        Ok(Self {
-            args: call.getattr("args")?.cast_into()?,
-            kwargs: mapping_dict(&call.getattr("kwargs")?)?,
-            bound: mapping_dict(&call.getattr("bound")?)?,
-        })
-    }
-}
-
 fn mapping_dict<'py>(value: &Bound<'py, PyAny>) -> PyResult<Bound<'py, PyDict>> {
     if let Ok(dict) = value.cast::<PyDict>() {
         return Ok(dict.clone());