How to use the html2text.html2text_file function in html2text

start = start and int(start) or 0

        feed = event.session.query(Feed).filter_by(name=name).first()

        if not feed:
            event.addresponse(u"I don't know about the %s feed", name)
            return

        feed.update()
        if not feed.entries:
            event.addresponse(u"I can't access that feed")
            return

        articles = feed.entries[start:number+start]
        articles = [u'%s: "%s"' % (feed.entries.index(entry) + 1,
                                   html2text_file(entry.title, None).strip())
                    for entry in articles]
        event.addresponse(u', '.join(articles))

return
            article = feed.entries[int(number) - 1]

        else:
            pattern = re.compile(pattern, re.I)
            for entry in feed.entries:
                if pattern.search(entry.title):
                    article = entry
                    break

            if not article:
                event.addresponse(u'Are you making up news again?')
                return

        if 'summary' in article:
            summary = html2text_file(article.summary, None)
        else:
            if article.content[0].type in \
                    ('application/xhtml+xml', 'text/html'):
                summary = html2text_file(article.content[0].value, None)
            else:
                summary = article.content[0].value

        event.addresponse(u'"%(title)s" %(link)s : %(summary)s', {
            'title': html2text_file(article.title, None).strip(),
            'link': article.link,
            'summary': summary,
        })

pattern = re.compile(pattern, re.I)
            for entry in feed.entries:
                if pattern.search(entry.title):
                    article = entry
                    break

            if not article:
                event.addresponse(u'Are you making up news again?')
                return

        if 'summary' in article:
            summary = html2text_file(article.summary, None)
        else:
            if article.content[0].type in \
                    ('application/xhtml+xml', 'text/html'):
                summary = html2text_file(article.content[0].value, None)
            else:
                summary = article.content[0].value

        event.addresponse(u'"%(title)s" %(link)s : %(summary)s', {
            'title': html2text_file(article.title, None).strip(),
            'link': article.link,
            'summary': summary,
        })

def html2fmt(html, target_format):
    #   html = html.replace("\n\n", '<br><br>')
    #   html = html.replace('<pre lang="xml">', '<pre lang="xml">', ']]&gt;</pre>')
    if target_format == 'html':
        return html
    else:
        return html2text_file(html, None)
</pre>

if not article:
                event.addresponse(u'Are you making up news again?')
                return

        if 'summary' in article:
            summary = html2text_file(article.summary, None)
        else:
            if article.content[0].type in \
                    ('application/xhtml+xml', 'text/html'):
                summary = html2text_file(article.content[0].value, None)
            else:
                summary = article.content[0].value

        event.addresponse(u'"%(title)s" %(link)s : %(summary)s', {
            'title': html2text_file(article.title, None).strip(),
            'link': article.link,
            'summary': summary,
        })