RustPython-test/example_projects/frozen_stdlib/src/main.rs at main · RustPython/RustPython-test · GitHub

Repository navigation

40 lines (35 loc) · 1.45 KB

// spell-checker:ignore aheui

/// Setting up a project with a frozen stdlib can be done *either* by using `rustpython::InterpreterConfig` or `rustpython_vm::Interpreter::with_init`.

/// See each function for example.

///

/// See also: `aheui-rust.md` for freezing your own package.

use rustpython_vm::{PyResult, VirtualMachine};

fn run(keyword: &str, vm: &VirtualMachine) -> PyResult<()> {

let json = vm.import("json", 0)?;

let json_loads = json.get_attr("loads", vm)?;

let template = r#"{"key": "value"}"#;

let json_string = template.replace("value", keyword);

let dict = json_loads.call((vm.ctx.new_str(json_string),), vm)?;

vm.print((dict,))?;

Ok(())

}

fn interpreter_with_config() {

let interpreter = rustpython::InterpreterConfig::new()

.init_stdlib()

.interpreter();

// Use interpreter.enter to reuse the same interpreter later

interpreter.run(|vm| run("rustpython::InterpreterConfig", vm));

}

fn interpreter_with_vm() {

let interpreter = rustpython_vm::Interpreter::with_init(Default::default(), |vm| {

// This is unintuitive, but the stdlib is out of the vm crate.

// Any suggestion to improve this is welcome.

vm.add_frozen(rustpython_pylib::FROZEN_STDLIB);

});

// Use interpreter.enter to reuse the same interpreter later

interpreter.run(|vm| run("rustpython_vm::Interpreter::with_init", vm));

}

fn main() {

interpreter_with_config();

interpreter_with_vm();

}

RustPython-test/example_projects/frozen_stdlib/src/main.rs at main · RustPython/RustPython-test · GitHub

Repository navigation

Expand file tree

Breadcrumbs

main.rs

Latest commit

History

Breadcrumbs

main.rs

File metadata and controls