newspaper_style.py

class NewspaperStyle:
    def __init__(self, paper, brain, evaluator):
        self._paper = paper
        self._brain = brain

    def read_newspaper(self):
        self._read_news()
        self._read_travel()
        self._read_sports()
        self._read_funnies()

    def _read_news(self):
        self._read_section('news')

    def _read_section(self, section):
        articles_to_read = self._scan_headlines(section)
        for article in articles_to_read:
            self._read(article)

    def _scan_headlines(self, section):
        results = []
        for article in self._get_articles_for_section(section):
            if self._is_interesting(article.headline):
                results.append(article)
        return results

    def _get_articles_for_section(self, section):
        return self._paper.get_section(section)

    def _is_interesting(self, headline):
        return self._brain.finds_interesting(headline)

    def _read(self, article):
        for word in article:
            self._brain.add(word)

    def _read_travel(self):
        self._read_section('travel')

    def _read_sports(self):
        self._read_section('sports')

    def _read_funnies(self):
        self._read_section('funnies')