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use super::objtype::PyClassRef;
use crate::pyobject::{PyClassImpl, PyContext, PyObjectRef, PyRef, PyResult, PyValue};
use crate::vm::VirtualMachine;
#[pyclass]
#[derive(Clone, Debug)]
pub struct PyClassMethod {
pub callable: PyObjectRef,
}
pub type PyClassMethodRef = PyRef<PyClassMethod>;
impl PyValue for PyClassMethod {
const HAVE_DICT: bool = true;
fn class(vm: &VirtualMachine) -> PyClassRef {
vm.ctx.classmethod_type()
}
}
#[pyimpl]
impl PyClassMethod {
#[pymethod(name = "__new__")]
fn new(
cls: PyClassRef,
callable: PyObjectRef,
vm: &VirtualMachine,
) -> PyResult<PyClassMethodRef> {
PyClassMethod {
callable: callable.clone(),
}
.into_ref_with_type(vm, cls)
}
#[pymethod(name = "__get__")]
fn get(&self, _inst: PyObjectRef, owner: PyObjectRef, vm: &VirtualMachine) -> PyResult {
Ok(vm
.ctx
.new_bound_method(self.callable.clone(), owner.clone()))
}
#[pyproperty(name = "__func__")]
fn func(&self, _vm: &VirtualMachine) -> PyObjectRef {
self.callable.clone()
}
}
pub fn init(context: &PyContext) {
PyClassMethod::extend_class(context, &context.types.classmethod_type);
}