pyo3 (#12)

* feat: rust branch init changes

* feat: rename rustlib to crates

MANIFEST.in

@@ -0,0 +1,3 @@
+include Cargo.toml
+recursive-include crates *.rs
+recursive-include src *

crates/.gitignore

@@ -0,0 +1,14 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb

crates/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "crates"
+version = "0.1.0"
+
+[lib]
+name = "_lib"
+crate-type = ["cdylib"]
+path = "src/lib.rs"
+
+[dependencies]
+pyo3 = { version = "0.21.0", features = ["extension-module"] }
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+# See also PyO3 docs on writing Cargo.toml files at https://pyo3.rs

crates/src/basic_functions/basic_math.rs

@@ -0,0 +1,13 @@
+use pyo3::prelude::*;
+
+#[pyfunction]
+#[pyo3(text_signature = "(a, b, /)")]
+pub fn add_in_rust(a: i32, b: i32) -> PyResult<i32> {
+    Ok(a + b)
+}
+
+#[pyfunction]
+#[pyo3(text_signature = "(a, b, /)")]
+pub fn subtract_in_rust(a: i32, b: i32) -> PyResult<i32> {
+    Ok(a - b)
+}

crates/src/basic_functions/mod.rs

@@ -0,0 +1,2 @@
+//mod.rs
+pub mod basic_math;

crates/src/lib.rs

@@ -0,0 +1,14 @@
+//src/lib.rs
+
+pub mod basic_functions;
+use crate::basic_functions::*;
+
+use pyo3::prelude::*;
+
+#[pymodule]
+fn quippers(_py: Python, m: &PyModule) -> PyResult<()> {
+    m.add_function(wrap_pyfunction!(basic_math::add_in_rust, m)?)?;
+    m.add_function(wrap_pyfunction!(basic_math::subtract_in_rust, m)?)?;
+
+    Ok(())
+}

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools", "wheel"]
+requires = ["setuptools", "wheel", "setuptools_rust"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -36,3 +36,12 @@ fix = true
 
 [tool.isort]
 profile = "black"
+
+
+[[tool.setuptools-rust.ext-modules]]
+# Private Rust extension module to be nested into the Python package
+# https://github.com/PyO3/setuptools-rust?tab=readme-ov-file
+target = "{{project_name}}._lib" # The last part of the name (e.g. "_lib") has to match lib.name in Cargo.toml,
+# but you can add a prefix to nest it inside of a Python package.
+path = "Cargo.toml" # Default value, can be omitted
+binding = "PyO3"    # Default value, can be omitted