mirror of
https://github.com/RustPython/RustPython.git
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57e2beef3a
This replaces all the occurrences of the format!(<&str>) with the <&str>.to_string() Relevant clippy warning: https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
67 lines
1.8 KiB
Rust
67 lines
1.8 KiB
Rust
/*! Python `super` class.
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See also:
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https://github.com/python/cpython/blob/50b48572d9a90c5bb36e2bef6179548ea927a35a/Objects/typeobject.c#L7663
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*/
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use super::super::pyobject::{PyContext, PyFuncArgs, PyObjectRef, PyResult, TypeProtocol};
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use super::super::vm::VirtualMachine;
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use super::objtype;
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pub fn init(context: &PyContext) {
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let ref super_type = context.super_type;
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context.set_attr(&super_type, "__init__", context.new_rustfunc(super_init));
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}
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fn super_init(vm: &mut VirtualMachine, args: PyFuncArgs) -> PyResult {
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trace!("super.__init__ {:?}", args.args);
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arg_check!(
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vm,
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args,
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required = [(inst, None)],
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optional = [(py_type, None), (py_obj, None)]
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);
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// Get the type:
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let py_type = if let Some(ty) = py_type {
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ty.clone()
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} else {
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// TODO: implement complex logic here....
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unimplemented!("TODO: get frame and determine instance and class?");
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// let frame = vm.get_current_frame();
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//
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// vm.get_none()
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};
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// Check type argument:
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if !objtype::isinstance(&py_type, &vm.get_type()) {
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let type_name = objtype::get_type_name(&py_type.typ());
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return Err(vm.new_type_error(format!(
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"super() argument 1 must be type, not {}",
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type_name
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)));
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}
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// Get the bound object:
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let py_obj = if let Some(obj) = py_obj {
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obj.clone()
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} else {
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vm.get_none()
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};
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// Check obj type:
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if !(objtype::isinstance(&py_obj, &py_type) || objtype::issubclass(&py_obj, &py_type)) {
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return Err(vm.new_type_error(
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"super(type, obj): obj must be an instance or subtype of type".to_string(),
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));
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}
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// TODO: how to store those types?
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vm.ctx.set_attr(inst, "type", py_type);
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vm.ctx.set_attr(inst, "obj", py_obj);
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Ok(vm.get_none())
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}
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