68 lines
1.3 KiB
Rust
68 lines
1.3 KiB
Rust
#![feature(specialization)]
|
|
|
|
extern crate pyo3;
|
|
|
|
use pyo3::prelude::*;
|
|
use std::isize;
|
|
|
|
#[macro_use]
|
|
mod common;
|
|
|
|
#[pyclass]
|
|
struct BaseClass {
|
|
#[prop(get)]
|
|
val1: usize,
|
|
}
|
|
|
|
#[pyclass(subclass)]
|
|
struct SubclassAble {}
|
|
|
|
#[test]
|
|
fn subclass() {
|
|
let gil = Python::acquire_gil();
|
|
let py = gil.python();
|
|
|
|
let d = PyDict::new(py);
|
|
d.set_item("SubclassAble", py.get_type::<SubclassAble>())
|
|
.unwrap();
|
|
py.run(
|
|
"class A(SubclassAble): pass\nassert issubclass(A, SubclassAble)",
|
|
None,
|
|
Some(d),
|
|
).map_err(|e| e.print(py))
|
|
.unwrap();
|
|
}
|
|
|
|
#[pymethods]
|
|
impl BaseClass {
|
|
#[new]
|
|
fn __new__(obj: &PyRawObject) -> PyResult<()> {
|
|
obj.init(|_| BaseClass { val1: 10 })
|
|
}
|
|
}
|
|
|
|
#[pyclass(extends=BaseClass)]
|
|
struct SubClass {
|
|
#[prop(get)]
|
|
val2: usize,
|
|
}
|
|
|
|
#[pymethods]
|
|
impl SubClass {
|
|
#[new]
|
|
fn __new__(obj: &PyRawObject) -> PyResult<()> {
|
|
obj.init(|_| SubClass { val2: 5 })?;
|
|
BaseClass::__new__(obj)
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn inheritance_with_new_methods() {
|
|
let gil = Python::acquire_gil();
|
|
let py = gil.python();
|
|
let _typebase = py.get_type::<BaseClass>();
|
|
let typeobj = py.get_type::<SubClass>();
|
|
let inst = typeobj.call(NoArgs, NoArgs).unwrap();
|
|
py_run!(py, inst, "assert inst.val1 == 10; assert inst.val2 == 5");
|
|
}
|