Add python binding for rust PURL validation

Signed-off-by: Keshav Priyadarshi <[email protected]>

Author: keshav-space

Cargo.lock

@@ -9,11 +9,12 @@ repository = "https://github.com/aboutcode-org/purl-validator"
 
 [lib]
 name = "purl_validator"
-crate-type = ["rlib"]
+crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 fst = "0.4.7"
 once_cell = "1.21"
+pyo3 = { version = "0.27.1", features = ["extension-module"] }
 
 [[bin]]
 name = "fst_builder"
@@ -26,3 +27,9 @@ include = [
     "README.md",
     "LICENSE"
 ]
+
+[package.metadata.maturin]
+name = "purl_validator"
+
+[tool.maturin]
+include = ["purls.fst"]

Cargo.toml

@@ -0,0 +1,18 @@
+[build-system]
+requires = ["maturin>=1.5"]
+build-backend = "maturin"
+
+[project]
+name = "purl-validator"
+version = "0.1.0"
+description = "PackageURL validator using prebuilt FST"
+authors = [
+    { name = "Keshav Priyadarshi", email = "[email protected]" },
+    { name = "AboutCode", email = "[email protected]" },
+]
+license = "Apache-2.0"
+readme = "README.md"
+requires-python = ">=3.10"
+
+[tool.maturin]
+name = "purl_validator"

pyproject.toml

@@ -13,3 +13,14 @@ pub fn validate(word: &str) -> bool {
     VALIDATOR.contains(word)
 }
 
+
+#[pyo3::pymodule]
+mod purl_validator {
+    use pyo3::prelude::*;
+    use crate::validate;
+
+    #[pyfunction(name = "validate")]
+    fn py_validate(word: &str) -> PyResult<bool> {
+        Ok(validate(word))
+    }
+}