diff --git a/recipes/hackernews_with_comments.recipe b/recipes/hackernews_with_comments.recipe new file mode 100644 index 0000000000..951a65fd78 --- /dev/null +++ b/recipes/hackernews_with_comments.recipe @@ -0,0 +1,149 @@ +#!/usr/bin/env python + +__license__ = 'GPL v3' +''' +Hacker News (with comments) +''' +from calibre.ptempfile import PersistentTemporaryFile +from calibre.web.feeds.news import BasicNewsRecipe + +try: + from urllib.parse import urlparse +except ImportError: + from urlparse import urlparse +import re + + +class HNWithComments(BasicNewsRecipe): + title = 'HN With actual comments' + __author__ = 'Tom Scholl & David Kerschner' + description = u'Hacker News, run by Y Combinator. Anything that good hackers would find interesting, with a focus on programming and startups.' + publisher = 'Y Combinator' + category = 'news, programming, it, technology' + delay = 1 + max_articles_per_feed = 20 + oldest_article = 3 + use_embedded_content = False + no_stylesheets = True + encoding = 'utf-8' + language = 'en' + requires_version = (0, 8, 16) + + feeds = [ + (u'Hacker News Frontpage', 'https://hnrss.org/frontpage'), + (u'Ask Hacker News', 'https://hnrss.org/ask') + ] + + temp_files = [] + articles_are_obfuscated = True + + def get_readable_content(self, url): + self.log('get_readable_content(' + url + ')') + br = self.get_browser() + f = br.open(url) + html = f.read() + f.close() + + return self.extract_readable_article(html, url) + + def get_hn_content(self, url): + self.log('get_hn_content(' + url + ')') + soup = self.index_to_soup(url) + main = soup.find('tr').findNextSiblings('tr', limit=2)[1].td + + title_element = main.select('td.title .titleline a')[0] + self.log('title_element=' + repr(title_element)) + title = self.tag_to_string(title_element) + self.log('title=' + title) + link = title_element['href'] + # link = main.find('td', 'title').find('a')['href'] + if link.startswith('item?'): + link = 'https://news.ycombinator.com/' + link + readable_link = link.rpartition('http://')[2].rpartition('https://')[2] + subtext = self.tag_to_string(main.find('td', 'subtext')) + + title_content_td = main.find('td', 'title').findParent( + 'tr').findNextSiblings('tr', limit=3)[2].findAll('td', limit=2)[1] + title_content = u'' + if not title_content_td.find('form'): + title_content_td.name = 'div' + title_content = title_content_td.prettify() + + comments = u'' + for td in main.findAll('td', 'default'): + comhead = td.find('span', 'comhead') + if comhead: + com_title = u'

' + \ + self.tag_to_string(comhead).replace( + ' | link', '') + u'

' + comhead.parent.extract() + br = td.find('br') + if br: + br.extract() + reply = td.find('a', attrs={'href': re.compile('^reply?')}) + if reply: + reply.parent.extract() + td.name = 'div' + indent_width = (int(td.parent.find('td').img['width']) * 2) / 3 + td['style'] = 'padding-left: ' + str(indent_width) + 'px' + comments = comments + com_title + td.prettify() + + body = u'

' + title + u'

' + readable_link + \ + u'
' + subtext + u'

' + title_content + u'
' + body = body + comments + return u'' + title + u'' + body + '' + + def parse_feeds(self): + a = super(HNWithCommentsLinkAlt, self).parse_feeds() + self.hn_articles = a[0].articles + return a + + def get_obfuscated_article(self, url): + self.log('get_obfuscated_article with url=' + url) + if url.startswith('https://news.ycombinator.com'): + content = self.get_hn_content(url) + else: + # TODO: use content-type header instead of url + is_image = False + for ext in ['.jpg', '.png', '.svg', '.gif', '.jpeg', '.tiff', '.bmp', ]: + if url.endswith(ext): + is_image = True + break + + if is_image: + self.log('using image_content (' + url + ')') + content = u'' + else: + content = self.get_readable_content(url) + + article = 0 + for a in self.hn_articles: + if a.url == url: + article = a + + # content = re.sub(r'\s*\s*$', '', content) + \ + # article.summary + '' + + if not isinstance(content, bytes): + content = content.encode('utf-8') + self.temp_files.append(PersistentTemporaryFile('_fa.html')) + self.temp_files[-1].write(content) + self.temp_files[-1].close() + return self.temp_files[-1].name + + def is_link_wanted(self, url, tag): + if url.endswith('.pdf'): + return False + return True + + def prettyify_url(self, url): + return urlparse(url).hostname + + def populate_article_metadata(self, article, soup, first): + article.text_summary = self.prettyify_url(article.url) + article.summary = article.text_summary + +# def parse_index(self): +# feeds = [] +# feeds.append((u'Hacker News',[{'title': 'Testing', 'url': 'https://news.ycombinator.com/item?id=2935944'}])) +# return feeds