cli.py 文件源码

def setup_nltk(self, **kw):
        import nltk
        from nltk.data import find

        tagger = "averaged_perceptron_tagger"

        try:
            find("taggers/%s" % tagger)
        except LookupError:
            click.echo("Downloading NTLK data (~2MB)...")
            nltk.download(tagger)
            return True

        return False