[kovidgoyal]

Yes, it will be included in the next calibre relase. And just for completeness, here is a version that avoids double fetching the article html.

from calibre.web.feeds.news import BasicNewsRecipe
from calibre.utils.ipc.simple_worker import fork_job
from calibre.ptempfile import PersistentTemporaryFile

js_fetcher = '''

import calibre.web.jsbrowser.browser as jsbrowser

def grab(url):
    browser = jsbrowser.Browser()
    #10 second timeout
    browser.visit(url, 10)
    browser.run_for_a_time(10)
    html = browser.html
    browser.close()
    return html

    '''
class MarketingSensoriale(BasicNewsRecipe):

    title                 = u'Marketing sensoriale'
    description           = 'Marketing Sensoriale, il Blog'
    category              = 'Blog'
    oldest_article        = 7
    max_articles_per_feed = 200
    no_stylesheets        = True
    encoding              = 'utf8'
    use_embedded_content  = False
    language              = 'it'
    remove_empty_feeds    = True
    recursions = 0
    requires_version = (0, 8, 58)
    auto_cleanup = False
    simultaneous_downloads = 1
    articles_are_obfuscated = True

    remove_tags_after    = [dict(name='div', attrs={'class':['article-footer']})]


    def get_article_url(self, article):
        return article.get('feedburner_origlink',  None)

    def get_obfuscated_article(self, url):
        result = fork_job(js_fetcher, 'grab', (url,), module_is_source_code=True)

        html = result['result']
        if isinstance(html, type(u'')):
            html = html.encode('utf-8')
        pt = PersistentTemporaryFile('.html')
        pt.write(html)
        pt.close()
        return pt.name

    feeds          = [(u'Marketing sensoriale', u'http://feeds.feedburner.com/MarketingSensoriale?format=xml')]