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156 lines
4.8 KiB
Python
156 lines
4.8 KiB
Python
#!/usr/bin/env python
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from __future__ import print_function
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__license__ = 'GPL v3'
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__copyright__ = '2011, Davide Cavalca <davide125 at tiscali.it>'
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'''
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lwn.net
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'''
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from calibre.web.feeds.news import BasicNewsRecipe
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import re
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import sys
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class WeeklyLWN(BasicNewsRecipe):
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title = 'LWN.net Weekly Edition'
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description = 'Weekly summary of what has happened in the free software world.'
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__author__ = 'Davide Cavalca'
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language = 'en'
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site_url = u'http://lwn.net'
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no_stylesheets = True
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remove_javascript = True
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extra_css = '''pre,code,samp,kbd,tt { font-size: 80% }
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blockquote {margin-left:0 }
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DIV.BigQuote,SPAN { font-style:oblique }
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DIV.FeatureByline,DIV.GaByline { background-color:#EEE }
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DIV.tlr { background-color:#EED; border-style:groove; }
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* { color: black }'''
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cover_url = site_url + '/images/lcorner.png'
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# masthead_url = 'http://lwn.net/images/lcorner.png'
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publication_type = 'magazine'
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keep_only_tags = [dict(attrs={'class': ['PageHeadline', 'ArticleText']})]
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remove_tags = [dict(name=['h2', 'form'])]
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preprocess_regexps = [
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# Remove the <hr> and "Log in to post comments"
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(re.compile(r'<hr [^>]+>\s*\n\s*.*?comments[)]'), lambda m: ''),
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]
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conversion_options = {
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'no_inline_navbars': True,
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}
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oldest_article = 7.0
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needs_subscription = 'optional'
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def get_browser(self):
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br = BasicNewsRecipe.get_browser(self)
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if self.username is not None and self.password is not None:
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br.open('https://lwn.net/login')
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br.select_form(name='loginform')
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br['Username'] = self.username
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br['Password'] = self.password
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br.submit()
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return br
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def print_version(self, url):
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# Strip off anchor
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url = url.split('#')[0]
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# Prepend site_url
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if url[0:len(self.site_url)] != self.site_url:
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url = self.site_url + url
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# Append printable URL parameter
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print_param = '?format=printable'
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if url[-len(print_param):] != print_param:
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url += print_param
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return url
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def parse_index(self):
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if self.username is not None and self.password is not None:
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index_url = self.print_version('/current/bigpage')
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else:
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index_url = self.print_version('/free/bigpage')
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soup = self.index_to_soup(index_url)
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curr = soup.body
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articles = {}
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ans = []
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section = self.tag_to_string(soup.title)
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subsection = None
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while True:
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curr = curr.findNext(
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attrs={'class': ['SummaryHL', 'Cat1HL', 'Cat2HL']})
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if curr is None:
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break
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text = self.tag_to_string(curr.contents[0])
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cclass = ''.join(curr['class'])
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if 'Cat2HL' in cclass:
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subsection = text
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elif 'Cat1HL' in cclass:
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section = text
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subsection = None
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elif 'SummaryHL' in cclass:
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article_title = text
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if not article_title:
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article_title = _('Undefined article title')
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if subsection:
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section_title = "%s: %s" % (section, subsection)
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else:
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section_title = section
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# Most articles have anchors in their titles, *except* the
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# security vulnerabilities
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article_anchor = curr.find(
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name='a', attrs={'href': re.compile('^/Articles/')})
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if article_anchor:
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article_url = article_anchor.get('href')
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if not article_url:
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print('article_url is None for article_anchor "%s": "%s"'
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% (str(article_anchor), article_title), file=sys.stderr)
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continue
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else:
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self.log.warn('article_anchor is None for "%s"; skipping' % article_title)
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article_url = None
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continue
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if section_title not in articles:
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articles[section_title] = []
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if section_title not in ans:
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ans.append(section_title)
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articles[section_title].append({
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'url': article_url,
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'title': article_title,
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'description': '', 'content': '', 'date': '',
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})
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else:
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self.log.error("lwn_weekly.recipe: something bad happened; should not be able to reach this")
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ans = [(section2, articles[section2])
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for section2 in ans if section2 in articles]
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# from pprint import pprint
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# pprint(ans)
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return ans
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# vim: expandtab:ts=4:sw=4
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