#!/usr/bin/env python
__license__ = 'GPL v3'
'''
Hacker News
'''
from calibre.web.feeds.news import BasicNewsRecipe
from calibre.ptempfile import PersistentTemporaryFile
from urlparse import urlparse
import re
class HNWithCommentsLink(BasicNewsRecipe):
title = 'HN With Comments Link'
__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'
masthead_url = 'http://img585.imageshack.us/img585/5011/hnle.png'
cover_url = 'http://img585.imageshack.us/img585/5011/hnle.png'
delay = 1
max_articles_per_feed = 30
use_embedded_content = False
no_stylesheets = True
encoding = 'utf-8'
language = 'en'
requires_version = (0,8,16)
feeds = [
(u'Hacker News', 'http://news.ycombinator.com/rss')
]
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 = self.tag_to_string(main.find('td', 'title'))
link = main.find('td', 'title').find('a')['href']
if link.startswith('item?'):
link = 'http://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(HNWithCommentsLink, self).parse_feeds()
self.hn_articles = a[0].articles
return a
def get_obfuscated_article(self, url):
if url.startswith('http://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*