First.

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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644 (file)
index 0000000..a0c0fd8
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "hello"
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+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+[dependencies.pyo3]
+version = "0.19.2"
+features = ["auto-initialize"]
\ No newline at end of file

diff --git a/src/main.rs b/src/main.rs
new file mode 100644 (file)
index 0000000..3ec5b68
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,16 @@
+use pyo3::prelude::*;
+use pyo3::types::IntoPyDict;
+
+fn main() -> PyResult<()> {
+    Python::with_gil(|py| {
+        let sys = py.import("sys")?;
+        let version: String = sys.getattr("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(())
+    })
+}