Method new

crates/wasm/src/vm_class.rs:39–78

(id: String, inject_browser_module: bool)

impl StoredVirtualMachine {
    fn new(id: String, inject_browser_module: bool) -> StoredVirtualMachine {
        let mut settings = Settings::default();
        settings.allow_external_library = false;

        let mut builder = Interpreter::builder(settings);

        #[cfg(feature = "freeze-stdlib")]
        {
            let defs = rustpython_stdlib::stdlib_module_defs(&builder.ctx);
            builder = builder
                .add_native_modules(&defs)
                .add_frozen_modules(rustpython_pylib::FROZEN_STDLIB);
        }

        // Add wasm-specific modules
        let js_def = js_module::module_def(&builder.ctx);
        builder = builder.add_native_module(js_def);

        if inject_browser_module {
            let window_def = _window::module_def(&builder.ctx);
            let browser_def = browser_module::module_def(&builder.ctx);
            builder = builder
                .add_native_modules(&[window_def, browser_def])
                .add_frozen_modules(rustpython_vm::py_freeze!(dir = "../Lib"));
        }

        let interp = builder
            .init_hook(move |vm| {
                vm.wasm_id = Some(id);
            })
            .build();

        let scope = interp.enter(|vm| vm.new_scope_with_builtins());

        StoredVirtualMachine {
            interp,
            scope,
            held_objects: RefCell::new(Vec::new()),
        }
    }
}

// It's fine that it's thread local, since WASM doesn't even have threads yet. thread_local!