setup router python binding ci (#1999)

rust/pyproject.toml

@@ -1,15 +1,25 @@
 [build-system]
-requires = ["maturin>=1.5.1,<2.0"]
-build-backend = "maturin"
+requires = ["setuptools>=45", "wheel", "setuptools-rust>=1.5.2"]
+build-backend = "setuptools.build_meta"
 
 [project]
-name = "sglang_router"
-requires-python = ">=3.9"
+name = "sglang-router"
+version = "0.0.2"
+description = "SGLang router is a standalone module implemented in Rust to achieve data parallelism across SGLang instances."
+authors = [{name = "Byron Hsu", email = "byronhsu1230@gmail.com"}]
+requires-python = ">=3.8"
+readme = "README.md"
 classifiers = [
-    "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Rust",
+    "Programming Language :: Python :: 3",
 ]
-dynamic = ["version"]
 
-[tool.maturin]
-bindings = 'pyo3'
+# https://github.com/PyO3/setuptools-rust?tab=readme-ov-file
+[tool.setuptools.packages]
+find = { where = ["py_src"] }
+
+[[tool.setuptools-rust.ext-modules]]
+target = "sglang_router_rs"
+path = "Cargo.toml"
+binding = "PyO3"