Function _reset_caches

crates/vm/src/stdlib/_abc.rs:463–478

(cls: PyObjectRef, vm: &VirtualMachine)

    /// Internal ABC helper to reset both caches of a given class.
    #[pyfunction]
    fn _reset_caches(cls: PyObjectRef, vm: &VirtualMachine) -> PyResult<()> {
        let impl_data = get_impl(&cls, vm)?;

        // Clone set refs and drop locks before calling into VM to avoid reentrancy
        let cache = impl_data.cache.read().clone();
        if let Some(ref set) = cache {
            vm.call_method(set.as_ref(), "clear", ())?;
        }

        let negative_cache = impl_data.negative_cache.read().clone();
        if let Some(ref set) = negative_cache {
            vm.call_method(set.as_ref(), "clear", ())?;
        }

        Ok(())
    }
}