Function _adapt

crates/stdlib/src/_sqlite3.rs:730–772

(obj: &PyObject, proto: PyTypeRef, alt: F, vm: &VirtualMachine)

    }

    fn _adapt<F>(obj: &PyObject, proto: PyTypeRef, alt: F, vm: &VirtualMachine) -> PyResult
    where
        F: FnOnce(&PyObject) -> PyResult,
    {
        let proto = proto.into_object();
        let key = vm
            .ctx
            .new_tuple(vec![obj.class().to_owned().into(), proto.clone()]);

        if let Some(adapter) = adapters().get_item_opt(key.as_object(), vm)? {
            return adapter.call((obj,), vm);
        }
        if let Ok(adapter) = proto.get_attr("__adapt__", vm) {
            match adapter.call((obj,), vm) {
                Ok(val) => {
                    if !vm.is_none(&val) {
                        return Ok(val);
                    }
                }
                Err(exc) => {
                    if !exc.fast_isinstance(vm.ctx.exceptions.type_error) {
                        return Err(exc);
                    }
                }
            }
        }
        if let Ok(adapter) = obj.get_attr("__conform__", vm) {
            match adapter.call((proto,), vm) {
                Ok(val) => {
                    if !vm.is_none(&val) {
                        return Ok(val);
                    }
                }
                Err(exc) => {
                    if !exc.fast_isinstance(vm.ctx.exceptions.type_error) {
                        return Err(exc);
                    }
                }
            }
        }

        alt(obj)
    }

    #[pyfunction]
    fn adapt(