code for 0x16 Python inside Rust

mike-kfed · mike-kfed · commit a375244bcfee · 2021-07-02T17:49:14.000+02:00
diff --git a/16_python_inside_rust/rust/inlinepy/Cargo.toml b/16_python_inside_rust/rust/inlinepy/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "inlinepy"
+version = "0.1.0"
+authors = ["Bedroom Builds"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+inline-python = "0.6.0"
diff --git a/16_python_inside_rust/rust/inlinepy/rust-toolchain b/16_python_inside_rust/rust/inlinepy/rust-toolchain
@@ -0,0 +1 @@
+nightly
diff --git a/16_python_inside_rust/rust/inlinepy/src/main.rs b/16_python_inside_rust/rust/inlinepy/src/main.rs
@@ -0,0 +1,11 @@
+use inline_python::python;
+
+fn main() {
+    let who = "world";
+    let n = 5;
+    python! {
+        for i in range('n):
+            print(i, "Hello", 'who)
+        print("Goodbye")
+    }
+}
diff --git a/16_python_inside_rust/rust/py_in_rust/Cargo.toml b/16_python_inside_rust/rust/py_in_rust/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "py_in_rust"
+version = "0.1.0"
+authors = ["Bedroom Builds"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+[dependencies.pyo3]
+version = "0.13.1"
+features = ["auto-initialize"]
diff --git a/16_python_inside_rust/rust/py_in_rust/src/main.rs b/16_python_inside_rust/rust/py_in_rust/src/main.rs
@@ -0,0 +1,22 @@
+use pyo3::prelude::*;
+use pyo3::types::IntoPyDict;
+
+fn main() -> Result<(), ()> {
+    Python::with_gil(|py| {
+        main_(py).map_err(|e| {
+            // We can't display Python exceptions via std::fmt::Display,
+            // so print the error here manually.
+            e.print_and_set_sys_last_vars(py);
+        })
+    })
+}
+
+fn main_(py: Python) -> PyResult<()> {
+    let sys = py.import("sys")?;
+    let version: String = sys.get("version")?.extract()?;
+    let locals = [("os", py.import("os")?)].into_py_dict(py);
+    let code = "os.getenv('USER') or os.getenv('USERNAME') or 'Unknown'";
+    let user: String = py.eval(code, None, Some(&locals))?.extract()?;
+    println!("Hello {}, I'm Python {}", user, version);
+    Ok(())
+}
