alaxon.recipe

# vim:fileencoding=utf-8
"""
A Calibre recipe for http://www.alaxon.co.il
"""

__license__ = 'GPL v3'
__copyright__ = '2015, Guy Rutenberg (http://www.guyrutenberg.com/contact-me)'

from calibre.web.feeds.news import BasicNewsRecipe
from calibre.ebooks.BeautifulSoup import BeautifulSoup, Tag
import re
import urllib

class AlaxonRecipe(BasicNewsRecipe):
    title = u'אלכסון'
    description = (u'כתב־עת דיגיטלי המפרסם מאמרים עבריים ומתורגמים '
                   u'בתחומי המדע, הפילוסופיה, התרבות והאמנות.')

    # List of feeds to download.
    feeds = [
        'http://alaxon.co.il/feed/',
    ]

    # Maximum number of articles to download from each feed.
    max_articles_per_feed = 100

    # Oldest article to download from this news source. In days.
    # oldest_article = 7.0

    #The format string for the date shown on the first page.
    timefmt = '%d/%m/%Y'

    # If True, it will add a QR code with the article's URL at the
    # end of each article.
    qr_code = True

    # ###########################
    # Don't edit below this line.
    # ###########################

    __author__ = "Guy Rutenberg"
    language = 'he'
    use_embedded_content = False
    no_stylesheets = True
    encoding = 'utf-8'
    keep_only_tags = [
        dict(name='section', attrs={'id':'titlestrip'}),
        dict(name='section', attrs={'class':'the-author'}),
        dict(name='div', attrs={'class':'content'}),
        dict(name='p', attrs={'class':'qr-code'}),
    ]


    extra_css = """
        body {direction:rtl;}
        .wp-caption {font-size: smaller;}"""

    remove_tags = [
        dict(name='q', attrs={'class': re.compile(r'\bhighlight\b')}),
    ]

    # Add a QR-code for sharing
    @staticmethod
    def get_qr_code_img(data, size='450x450'):
        # The URL of the http://goqr.me/ service
        qr_api_url = 'https://api.qrserver.com/v1/create-qr-code/?'
        qr_img = Tag(BeautifulSoup(), 'img')
        parameters = urllib.urlencode({'data': data, 'size': size})
        qr_img['src'] = qr_api_url + parameters
        qr_img['style'] = 'width: 3cm; height: 3cm;'
        return qr_img

    def preprocess_raw_html(self, raw_html, url):
        qr_img = self.get_qr_code_img(url)
        if self.qr_code:
            soup = BeautifulSoup(raw_html)
            soup.body.append('<p class="qr-code" style="text-align:center;">Share article<br/>%s</p>' % qr_img)
        return soup.prettify()