[package]
name = "sglang-radix-tree"
version = "0.1.0"
edition = "2024"
description = "Rust tree core for the Unified Radix Cache"
license = "Apache-2.0"
repository = "https://github.com/sgl-project/sglang"

[package.metadata.sglang]
python-module = "sglang.srt.mem_cache.rust_tree_core.mem_cache"
debug = false
features = ["python-extension"]
torch-compat-header = "torch_2_13_compat.h"

[lib]
name = "mem_cache"
crate-type = ["cdylib"]

# Keep this crate in its own workspace until its PyO3 version can be aligned
# with the root workspace without conflicting native `links = "python"` crates.
[workspace]

[dependencies]
hashbrown = "0.16"
pyo3 = { version = "0.22", optional = true }
sha2 = "0.10"
tch = "=0.24.0"
thiserror = "1"

# Hardware SHA extensions; identical digests.
[target.'cfg(all(target_arch = "aarch64", target_os = "linux"))'.dependencies]
sha2 = { version = "0.10", features = ["asm"] }

[features]
# Keep the native core as the default so workspace tests do not link a Python
# extension. Wheel and source builds select python-extension through package
# metadata; shared white-box tests additionally select inspection.
default = []
python-extension = ["dep:pyo3", "pyo3/extension-module", "tch/python-extension"]
inspection = []