feat: add gxhash Python bindings

Author: winstxnhdw

py-gxhash/Cargo.toml

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+[package]
+name = "py-gxhash"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+name = "gxhash"
+crate-type = ["cdylib"]
+
+[dependencies]
+pyo3 = "0.22.0"
+gxhash = { path = "..", features = ["hybrid"] }

py-gxhash/README.md

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+# py-gxhash
+
+```bash
+uv venv --seed
+uv run maturin develop
+```

py-gxhash/gxhash.pyi

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+def gxhash32(input: bytes, seed: int) -> int: ...
+def gxhash64(input: bytes, seed: int) -> int: ...
+def gxhash128(input: bytes, seed: int) -> int: ...

py-gxhash/pyproject.toml

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+[build-system]
+requires = ["maturin>=1.7,<2.0"]
+build-backend = "maturin"
+
+[project]
+name = "gxhash"
+requires-python = ">=3.7"
+dynamic = ["version"]
+classifiers = [
+    "Programming Language :: Rust",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy",
+]
+
+[tool.maturin]
+features = ["pyo3/extension-module"]
+
+[dependency-groups]
+dev = ["maturin>=1.7.4"]

py-gxhash/src/lib.rs

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+use pyo3::prelude::*;
+
+#[pyfunction]
+fn gxhash32(input: &[u8], seed: i64) -> PyResult<u32> {
+    Ok(gxhash::gxhash32(input, seed))
+}
+
+#[pyfunction]
+fn gxhash64(input: &[u8], seed: i64) -> PyResult<u64> {
+    Ok(gxhash::gxhash64(input, seed))
+}
+
+#[pyfunction]
+fn gxhash128(input: &[u8], seed: i64) -> PyResult<u128> {
+    Ok(gxhash::gxhash128(input, seed))
+}
+
+#[pymodule(name = "gxhash")]
+fn pygxhash(m: &Bound<'_, PyModule>) -> PyResult<()> {
+    m.add_function(wrap_pyfunction!(gxhash32, m)?)?;
+    m.add_function(wrap_pyfunction!(gxhash64, m)?)?;
+    m.add_function(wrap_pyfunction!(gxhash128, m)?)?;
+    Ok(())
+}