How to use the pythainlp.corpus.download function in pythainlp

def test_corpus(self):
        self.assertIsInstance(thai_negations(), frozenset)
        self.assertIsInstance(thai_stopwords(), frozenset)
        self.assertIsInstance(thai_syllables(), frozenset)
        self.assertIsInstance(thai_words(), frozenset)

        self.assertIsInstance(countries(), frozenset)
        self.assertIsInstance(provinces(), frozenset)
        self.assertIsInstance(thai_female_names(), frozenset)
        self.assertIsInstance(thai_male_names(), frozenset)

        self.assertEqual(
            get_corpus_db_detail("XXX"), {}
        )  # corpus does not exist
        self.assertTrue(download("test"))  # download the first time
        self.assertTrue(download(name="test", force=True))  # force download
        self.assertTrue(download(name="test"))  # try download existing
        self.assertFalse(
            download(name="test", url="wrongurl")
        )  # URL not exist
        self.assertFalse(
            download(name="XxxXXxxx817d37sf")
        )  # corpus name not exist
        self.assertIsNotNone(get_corpus_db_detail("test"))  # corpus exists
        self.assertTrue(remove("test"))  # remove existing
        self.assertFalse(remove("test"))  # remove non-existing
        self.assertTrue(download(name="test", version="0.1"))
        self.assertTrue(remove("test"))

def _get_path(fname: str) -> str:
    """
    :meth: download get path of file from pythainlp-corpus
    :param str fname: file name
    :return: path to downloaded file
    """
    path = get_corpus_path(fname)
    if not path:
        download(fname)
        path = get_corpus_path(fname)
    return path

def get_path(fname):
    path = get_file(fname)
    if not path:
        download(fname)
        path = get_file(fname)
    return path

def download(args):
        corpus.download(args.name)

def download_model()->None:
    """
    Download Model
    """
    if get_corpus_path("scb_1m_th-en_newmm") is None:
        download("scb_1m_th-en_newmm", force=True, version="1.0")
        tar = tarfile.open(get_corpus_path("scb_1m_th-en_newmm"), "r:gz")
        tar.extractall()
        tar.close()
    if get_corpus_path("scb_1m_th-en_spm") is None:
        download("scb_1m_th-en_spm", force=True, version="1.0")
        tar = tarfile.open(get_corpus_path("scb_1m_th-en_spm"), "r:gz")
        tar.extractall()
        tar.close()
    if get_corpus_path("scb_1m_en-th_moses") is None:
        download("scb_1m_en-th_moses", force=True, version="1.0")
        tar = tarfile.open(get_corpus_path("scb_1m_en-th_moses"), "r:gz")
        tar.extractall()
        tar.close()

    print("Install model...")
    if not os.path.exists(get_full_data_path("scb_1m_th-en_newmm")):
        os.mkdir(get_full_data_path("scb_1m_th-en_newmm"))
        with tarfile.open(get_corpus_path("scb_1m_th-en_newmm")) as tar:
            tar.extractall(path=get_full_data_path("scb_1m_th-en_newmm"))
    if not os.path.exists(get_full_data_path("scb_1m_th-en_spm")):
        os.mkdir(get_full_data_path("scb_1m_th-en_spm"))

def _download() -> str:
    path = get_corpus_path("thai2fit_wv")
    if not path:
        download_data("thai2fit_wv")
        path = get_corpus_path("thai2fit_wv")
    return path

def get_path(fname):
    path = get_file(fname)
    if not path:
        download(fname)
        path = get_file(fname)
    return path