Function list_dialects

crates/stdlib/src/csv.rs:332–347

(
        rest: FuncArgs,
        vm: &VirtualMachine,
    )

    #[pyfunction]
    fn list_dialects(
        rest: FuncArgs,
        vm: &VirtualMachine,
    ) -> PyResult<rustpython_vm::builtins::PyListRef> {
        if !rest.args.is_empty() || !rest.kwargs.is_empty() {
            return Err(vm.new_type_error("too many argument"));
        }
        let g = GLOBAL_HASHMAP.lock();
        let t = g
            .keys()
            .cloned()
            .map(|x| vm.ctx.new_str(x).into())
            .collect_vec();
        // .iter().map(|x| vm.ctx.new_str(x.clone()).into_pyobject(vm)).collect_vec();
        Ok(vm.ctx.new_list(t))
    }

    #[pyfunction]
    fn field_size_limit(rest: FuncArgs, vm: &VirtualMachine) -> PyResult<isize> {