Replace kybra_like to project-neutral example

Author: youknowone

examples/kybra_like.py

@@ -0,0 +1,24 @@
+from dataclasses import dataclass
+from typing import Any
+
+__all__ = ["context"]
+
+
+@dataclass
+class Context:
+    name: str
+    something: Any
+
+
+_context = Context(
+    name="test name",
+    something=None,
+)
+
+
+def context() -> Context:
+    return _context
+
+
+if __name__ == "__main__":
+    print(context().name)

examples/kybra_like.rs

@@ -0,0 +1,27 @@
+use rustpython_vm as vm;
+use vm::{builtins::PyStrRef, Interpreter};
+
+fn py_main(interp: &Interpreter) -> vm::PyResult<PyStrRef> {
+    interp.enter(|vm| {
+        vm.insert_sys_path(vm.new_pyobj("examples"))
+            .expect("add path");
+        let module = vm.import("package_embed", None, 0)?;
+        let name_func = module.get_attr("context", vm)?;
+        let result = vm.invoke(&name_func, ())?;
+        let result: PyStrRef = result.get_attr("name", vm)?.try_into_value(vm)?;
+        vm::PyResult::Ok(result)
+    })
+}
+
+fn main() -> vm::PyResult<()> {
+    let interp = vm::Interpreter::with_init(Default::default(), |vm| {
+        vm.add_native_modules(rustpython_stdlib::get_module_inits());
+    });
+    let result = py_main(&interp);
+    let result = result.and_then(|result| {
+        println!("name: {}", result);
+        Ok(())
+    });
+    let exit_code = interp.run(|_vm| result);
+    std::process::exit(exit_code);
+}