wallet: deprecate pyo2, replace with rustpython

bin/darkwallet/Cargo.toml

@@ -21,11 +21,7 @@ thiserror = "1.0.57"
 smol = "1.3.0"
 atomic_float = "0.1.0"
 
-starlark = "0.12.0"
-
-[dependencies.pyo3]
-version = "0.21.2"
-features = ["auto-initialize"]
+rustpython-vm = "0.3.1"
 
 [target.'cfg(target_os = "android")'.dependencies]
 android_logger = "0.13"

bin/darkwallet/gui/__init__.py

@@ -302,7 +302,8 @@ def draw():
     code = [["as_u32", ["/", ["load", "sw"], ["u32", 2]]]]
     api.set_property_expr(layer_id, "rect", 2, code)
     # h
-    api.set_property_u32(layer_id, "rect", 3, int(2158/2))
+    code = [["as_u32", ["/", ["load", "sh"], ["u32", 2]]]]
+    api.set_property_expr(layer_id, "rect", 3, code)
 
     api.link_node(layer_id, win_id)
 
@@ -351,7 +352,7 @@ def draw():
     # h
     #api.set_property_str(mesh_id, "rect", 3, "lh - 10")
     code = [["-", ["load", "lh"], ["f32", 10]]]
-    api.set_property_f32(mesh_id, "rect", 3, 20)
+    api.set_property_expr(mesh_id, "rect", 3, code)
 
     api.link_node(mesh_id, layer_id)
 

bin/darkwallet/src/gfx.rs

@@ -4,12 +4,6 @@ use fontdue::{
     Font, FontSettings,
 };
 use miniquad::*;
-use pyo3::{
-    prelude::*,
-    py_run,
-    types::{IntoPyDict, PyDict},
-    PyClass,
-};
 use std::{
     array::IntoIter,
     fmt,
@@ -827,30 +821,6 @@ impl<'a> RenderContext<'a> {
     }
 }
 
-fn eval_py_str<'py>(code: &str, locals: Py<PyDict>) -> PyResult<f32> {
-    Python::with_gil(|py| {
-        let null = ();
-        // https://stackoverflow.com/questions/35804961/python-eval-is-it-still-dangerous-if-i-disable-builtins-and-attribute-access
-        // See safe_eval() by tardyp and astrun
-        // We don't care about resource usage, just accessing system resources.
-        // Can also use restrictedpython lib to eval the code.
-        // Also PyPy sandboxing
-        // and starlark / starlark-rust
-        py_run!(
-            py,
-            null,
-            r#"
-__builtins__.__dict__['__import__'] = None
-__builtins__.__dict__['open'] = None
-        "#
-        );
-
-        let locals = locals.bind(py);
-        let result: f32 = py.eval_bound(code, None, Some(locals))?.extract()?;
-        Ok(result)
-    })
-}
-
 /*
 fn get_obj_props(obj: &SceneNode) -> Result<(f32, f32, f32, f32, bool)> {
     let x = obj.get_property_f32("x")?;

bin/darkwallet/src/main.rs

@@ -37,36 +37,42 @@ fn init_zmq(scene_graph: SceneGraphPtr) {
 
 fn main() {
     let scene_graph = Arc::new(Mutex::new(SceneGraph::new()));
-    //init_zmq(scene_graph.clone());
+    init_zmq(scene_graph.clone());
     run_gui(scene_graph);
 }
 
 /*
-use pyo3::{prelude::*, types::{PyDict, IntoPyDict}, py_run};
-
-fn main() -> PyResult<()> {
-    Python::with_gil(|py| {
-        let null = ();
-        // https://stackoverflow.com/questions/35804961/python-eval-is-it-still-dangerous-if-i-disable-builtins-and-attribute-access
-        // See safe_eval() by tardyp and astrun
-        // We don't care about resource usage, just accessing system resources.
-        // Can also use restrictedpython lib to eval the code.
-        // Also PyPy sandboxing
-        // and starlark / starlark-rust
-        py_run!(py, null, r#"
-__builtins__.__dict__['__import__'] = None
-__builtins__.__dict__['open'] = None
-        "#);
-
-        let locals = PyDict::new_bound(py);
-        locals.set_item("lw", 110)?;
-        locals.set_item("lh", 4)?;
-
-        let code = "min(1 + lw/3, 4*10)";
-        let user: f32 = py.eval_bound(code, None, Some(&locals))?.extract()?;
-
-        println!("{}", user);
-        Ok(())
-    })
+use rustpython_vm::{self as pyvm, convert::ToPyObject};
+
+fn main() {
+    let code_obj = pyvm::Interpreter::without_stdlib(Default::default()).enter(|vm| {
+        let source = r#"
+max(1 + lw/3, 4*10) + foo(2, True)"#;
+        let code_obj = vm
+            .compile(source, pyvm::compiler::Mode::Eval, "<embedded>".to_owned())
+            .map_err(|err| vm.new_syntax_error(&err, Some(source))).unwrap();
+        code_obj
+    });
+
+    fn foo(x: u32, y: bool) -> u32 {
+        if y {
+            2 * x
+        } else {
+            x
+        }
+    }
+
+    let res = pyvm::Interpreter::without_stdlib(Default::default()).enter(|vm| {
+        let globals = vm.ctx.new_dict();
+        globals.set_item("lw", vm.ctx.new_int(110).to_pyobject(vm), vm).unwrap();
+        globals.set_item("lh", vm.ctx.new_int(4).to_pyobject(vm), vm).unwrap();
+        globals.set_item("foo", vm.new_function("foo", foo).into(), vm).unwrap();
+
+        let scope = pyvm::scope::Scope::new(None, globals);
+
+        vm.run_code_obj(code_obj, scope).unwrap()
+    });
+    println!("{:?}", res);
 }
 */
+