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chore: import upstream snapshot with attribution
2026-07-13 12:38:16 +08:00

2.4 KiB

SGLang Model Gateway Python Bindings

This directory contains the Python bindings for the SGLang Router, built using maturin and PyO3.

Directory Structure

bindings/python/
├── src/                    # Source code (src layout)
│   ├── lib.rs              # Rust/PyO3 bindings implementation
│   └── sglang_router/      # Python source code
│       ├── __init__.py
│       ├── version.py
│       ├── launch_server.py
│       ├── launch_router.py
│       ├── router.py
│       ├── router_args.py
│       └── mini_lb.py
├── tests/                  # Python unit tests
│   ├── conftest.py
│   ├── test_validation.py
│   ├── test_arg_parser.py
│   ├── test_router_config.py
│   └── test_startup_sequence.py
├── Cargo.toml              # Rust package configuration for bindings
├── pyproject.toml          # Python package configuration
├── setup.py                # Setup configuration
├── MANIFEST.in             # Package manifest
├── .coveragerc             # Test coverage configuration
└── README.md               # This file

Building

Development Build

# Install maturin
pip install maturin

# Build and install in development mode
cd sgl-model-gateway/bindings/python
maturin develop --features vendored-openssl

Production Build

# Build wheel
cd sgl-model-gateway/bindings/python
maturin build --release --out dist --features vendored-openssl

# Install the built wheel
pip install dist/sglang_router-*.whl

Testing

# Run Python unit tests (after maturin develop)
cd sgl-model-gateway/bindings/python
pytest tests/

Configuration

  • pyproject.toml: Defines package metadata, dependencies, and build configuration
  • python-source: Set to "src" indicating Python source uses the src layout
  • module-name: sglang_router.sglang_router_rs - the Rust extension module name

Notes

  • The Rust bindings source code is located in src/lib.rs
  • The bindings have their own Cargo.toml in this directory
  • The main sglang-router library is located in ../../ and is used as a dependency
  • The package includes both Python code and Rust extensions built with PyO3
  • PyO3 types are prefixed with Py in Rust but exposed to Python without the prefix using the name attribute