#!/usr/bin/env python2
##
## Written:      October 2012 (new coding)
## Version:      9.0
## Last update:  2019-02-02
##

__license__   = 'GPL v3'
__copyright__ = ''
'''
Fetch RSS-Feeds spektrum.de
'''
def classes(classes):
    q = frozenset(classes.split(' '))
    return dict(attrs={'class': lambda x: x and frozenset(x.split()).intersection(q)})


from calibre.web.feeds.recipes import BasicNewsRecipe
class Spektrum(BasicNewsRecipe):
    title                 = u'Spektrum der Wissenschaft'
    __author__            = 'Armin Geller, Bratzzo, Rainer Zenz' # Update AGE 2014-02-25, UDe 2019-02-02
    description           = u'German  online portal of Spektrum der Wissenschaft'
    publisher             = 'Spektrum der Wissenschaft Verlagsgesellschaft mbH'
    category              = 'science news, Germany'
    oldest_article        = 7
    max_articles_per_feed = 100
    no_stylesheets        = True
    remove_javascript     = True
    remove_empty_feeds    = True
    language              = 'de'
    encoding              = 'utf8'
    ignore_duplicate_articles = {'title'}

    cover_url             = 'https://www.spektrum.de/js_css/sde/assets/img/svg/sdw_dark.svg'
    masthead_url          = 'http://www.spektrum.de/fm/861/spektrum.de.png'

    feeds = [
              (u'Spektrum.de', u'http://www.spektrum.de/alias/rss/spektrum-de-rss-feed/996406'),
#              (u'Spektrum der Wissenschaft', u'http://www.spektrum.de/alias/rss/spektrum-der-wissenschaft-rss-feed/982623'),
#              (u'Gehirn & Geist', u'http://www.spektrum.de/alias/rss/gehirn-geist-rss-feed/982626'),
              (u'Sterne und Weltraum', u'http://www.spektrum.de/alias/rss/sterne-und-weltraum-rss-feed/865248'),
#              (u'Meistgelesene Artikel',u'http://www.spektrum.de/alias/rss/spektrum-de-meistgelesene-artikel/1224665'), # AGe 2014-08-21 new
             ]

    keep_only_tags = [
                        dict(name='article', attrs={'class':'content'}),
                      ]

    remove_tags = [ classes('hide-for-print'),classes('content__meta'),classes('content__author'),classes('content__video'),
                    dict(name='div', attrs={'role':'navigation'}),
                    dict(name='span', attrs={'class':'sr-only'}),
                  ]

    def preprocess_html(self, soup, *a):
        for img in soup.findAll('img', attrs={'data-src': True}):
            img['src'] = img['data-src']
        return soup