Function _get_dump

crates/vm/src/stdlib/_abc.rs:409–447

(cls: PyObjectRef, vm: &VirtualMachine)

    /// Internal ABC helper for cache and registry debugging.
    #[pyfunction]
    fn _get_dump(cls: PyObjectRef, vm: &VirtualMachine) -> PyResult<PyTupleRef> {
        let impl_data = get_impl(&cls, vm)?;

        let registry = {
            let r = impl_data.registry.read();
            match &*r {
                Some(s) => {
                    // Use copy method to get a shallow copy
                    vm.call_method(s.as_ref(), "copy", ())?
                }
                None => PySet::default().to_pyobject(vm),
            }
        };

        let cache = {
            let c = impl_data.cache.read();
            match &*c {
                Some(s) => vm.call_method(s.as_ref(), "copy", ())?,
                None => PySet::default().to_pyobject(vm),
            }
        };

        let negative_cache = {
            let nc = impl_data.negative_cache.read();
            match &*nc {
                Some(s) => vm.call_method(s.as_ref(), "copy", ())?,
                None => PySet::default().to_pyobject(vm),
            }
        };

        let version = impl_data.get_cache_version();

        Ok(vm.ctx.new_tuple(vec![
            registry,
            cache,
            negative_cache,
            vm.ctx.new_int(version).into(),
        ]))
    }

    /// Internal ABC helper to reset registry of a given class.
    #[pyfunction]