[router] upgrade grpc dependency and py 3.13 3.14 support (#12284)

.github/workflows/nightly-release-router.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Build package
         uses: pypa/cibuildwheel@v2.21.3
         env:
-          CIBW_BUILD: "cp38-manylinux_x86_64 cp39-manylinux_x86_64 cp310-manylinux_x86_64 cp311-manylinux_x86_64 cp312-manylinux_x86_64"
+          CIBW_BUILD: "cp38-manylinux_x86_64 cp39-manylinux_x86_64 cp310-manylinux_x86_64 cp311-manylinux_x86_64 cp312-manylinux_x86_64 cp313-manylinux_x86_64 cp314-manylinux_x86_64"
           CIBW_BEFORE_ALL: |
             yum update -y && yum install -y openssl-devel wget unzip && \
             # Install latest protoc (v32.0) that supports proto3

.github/workflows/release-pypi-router.yml

@@ -45,7 +45,7 @@ jobs:
       - name: Build package
         uses: pypa/cibuildwheel@v2.21.3
         env:
-          CIBW_BUILD: "cp38-manylinux_x86_64 cp39-manylinux_x86_64 cp310-manylinux_x86_64 cp311-manylinux_x86_64 cp312-manylinux_x86_64"
+          CIBW_BUILD: "cp38-manylinux_x86_64 cp39-manylinux_x86_64 cp310-manylinux_x86_64 cp311-manylinux_x86_64 cp312-manylinux_x86_64 cp313-manylinux_x86_64 cp314-manylinux_x86_64"
           CIBW_BEFORE_ALL: |
             yum update -y && yum install -y openssl-devel wget unzip && \
             # Install latest protoc (v32.0) that supports proto3

sgl-router/Cargo.toml

@@ -36,7 +36,7 @@ rand = "0.9.2"
 reqwest = { version = "0.12.8", features = ["stream", "blocking", "json", "rustls-tls"], default-features = false }
 futures-util = "0.3"
 futures = "0.3"
-pyo3 = { version = "0.25.1", features = ["extension-module"] }
+pyo3 = { version = "0.27.1", features = ["extension-module"] }
 dashmap = "6.1.0"
 blake3 = "1.5"
 http = "1.1.0"
@@ -58,7 +58,7 @@ rayon = "1.10"
 thiserror = "2.0.12"
 regex = "1.10"
 url = "2.5.4"
-validator = { version = "0.18", features = ["derive"] }
+validator = { version = "0.20.0", features = ["derive"] }
 tokio-stream = { version = "0.1", features = ["sync"] }
 anyhow = "1.0"
 tokenizers = { version = "0.22.0" }
@@ -82,17 +82,18 @@ rustpython-parser = "0.4.0"
 num-traits = "0.2"
 
 # gRPC and Protobuf dependencies
-tonic = { version = "0.12", features = ["tls", "gzip", "transport"] }
-prost = "0.13"
-prost-types = "0.13"
+tonic = { version = "0.14.2", features = ["gzip", "transport"] }
+prost = "0.14.1"
+prost-types = "0.14.1"
+tonic-prost = "0.14.2"
 deadpool = { version = "0.12", features = ["managed", "rt_tokio_1"] }
 backoff = { version = "0.4", features = ["tokio"] }
 strum = { version = "0.26", features = ["derive"] }
 once_cell = "1.21.3"
 
 [build-dependencies]
-tonic-build = "0.12"
-prost-build = "0.13"
+tonic-prost-build = "0.14.2"
+prost-build = "0.14.1"
 
 [dev-dependencies]
 criterion = { version = "0.5", features = ["html_reports"] }

sgl-router/build.rs

@@ -2,34 +2,15 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     // Only regenerate if the proto file changes
     println!("cargo:rerun-if-changed=src/proto/sglang_scheduler.proto");
 
-    // Configure protobuf compilation with custom settings
-    let config = prost_build::Config::new();
-
-    // Skip serde for types that use prost_types::Struct
-    // These cause conflicts and we don't need serde for all generated types
-
-    // Configure tonic-build for gRPC code generation
-    tonic_build::configure()
+    // Configure tonic-prost-build for gRPC code generation
+    tonic_prost_build::configure()
         // Generate both client and server code
         .build_server(true)
         .build_client(true)
-        // Add protoc arguments for proto3 optional support
+        // Allow proto3 optional fields
         .protoc_arg("--experimental_allow_proto3_optional")
-        // Add a module-level attribute for documentation and clippy warnings
-        .server_mod_attribute(
-            "sglang.grpc.scheduler",
-            "#[allow(unused, unused_qualifications, clippy::mixed_attributes_style)]",
-        )
-        .client_mod_attribute(
-            "sglang.grpc.scheduler",
-            "#[allow(unused, unused_qualifications, clippy::mixed_attributes_style)]",
-        )
-        // Compile the proto file with the custom config
-        .compile_protos_with_config(
-            config,
-            &["src/proto/sglang_scheduler.proto"],
-            &["src/proto"],
-        )?;
+        // Compile the proto file
+        .compile_protos(&["src/proto/sglang_scheduler.proto"], &["src/proto"])?;
 
     println!("cargo:warning=Protobuf compilation completed successfully");
 

sgl-router/pyproject.toml

@@ -18,6 +18,13 @@ classifiers = [
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Rust",
     "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 dependencies = [

sgl-router/src/grpc_client/sglang_scheduler.rs

@@ -20,7 +20,9 @@ use crate::protocols::{
 };
 
 // Include the generated protobuf code
+#[allow(clippy::all)]
 pub mod proto {
+    #![allow(clippy::all, unused_qualifications)]
     tonic::include_proto!("sglang.grpc.scheduler");
 }