Function execv

crates/vm/src/stdlib/posix.rs:1294–1316

(
        path: OsPath,
        argv: Either<PyListRef, PyTupleRef>,
        vm: &VirtualMachine,
    )

    #[pyfunction]
    fn execv(
        path: OsPath,
        argv: Either<PyListRef, PyTupleRef>,
        vm: &VirtualMachine,
    ) -> PyResult<()> {
        let path = path.into_cstring(vm)?;

        let argv = vm.extract_elements_with(argv.as_ref(), |obj| {
            OsPath::try_from_object(vm, obj)?.into_cstring(vm)
        })?;
        let argv: Vec<&CStr> = argv.iter().map(|entry| entry.as_c_str()).collect();

        let first = argv
            .first()
            .ok_or_else(|| vm.new_value_error("execv() arg 2 must not be empty"))?;
        if first.to_bytes().is_empty() {
            return Err(vm.new_value_error("execv() arg 2 first element cannot be empty"));
        }

        unistd::execv(&path, &argv)
            .map(|_ok| ())
            .map_err(|err| err.into_pyexception(vm))
    }

    #[pyfunction]
    fn execve(