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Reason Magazine by Howard Cornett
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Kovid Goyal
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recipes/reason_magazine.recipe
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169
recipes/reason_magazine.recipe
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#!/usr/bin/env python
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# vim:fileencoding=utf-8
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# License: GPLv3 Copyright: 2015, Kovid Goyal <kovid at kovidgoyal.net>
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import json
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from calibre import prepare_string_for_xml
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from calibre.web.feeds.news import BasicNewsRecipe, classes
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# {{{ parse article JSON
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def process_image_block(lines, block):
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caption = block.get('captionText')
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caption_lines = []
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if caption:
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if block.get('attributionText', '').strip():
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caption += ' (' + block['attributionText'] + ')'
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caption_lines.append('<p style="font-style: italic">' + caption + '</p>')
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lines.append('<div style="text-align: center"><img src={}/>'.format(prepare_string_for_xml(block['url'], True)))
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lines.extend(caption_lines)
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lines.append('</div>')
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def json_to_html(raw):
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data = json.loads(raw)
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# open('/t/p.json', 'w').write(json.dumps(data, indent=2))
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data = sorted((v['data'] for v in data['props']['pageProps']['urqlState'].values()), key=len)[-1]
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article = json.loads(data)['article']
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lines = []
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lines.append('<h1 style="align: center">' + prepare_string_for_xml(article['title']) + '</h1>')
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lines.append('<h2 style="align: center">' + prepare_string_for_xml(article['dek']) + '</h2>')
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auts = ', '.join(x['displayName'] for x in article['authors'])
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if auts:
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lines.append('<p style="align: center">by ' + prepare_string_for_xml(auts) + '</p>')
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if article.get('leadArt') and 'image' in article['leadArt']:
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process_image_block(lines, article['leadArt']['image'])
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for item in article['content']:
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tn = item.get('__typename', '')
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if tn.endswith('Image'):
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process_image_block(lines, item)
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continue
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html = item.get('innerHtml')
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if html is None or '</iframe>' in html:
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continue
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if 'innerHtml' not in item:
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continue
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tagname = item.get('tagName', 'P').lower()
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lines.append('<{0}>{1}</{0}>'.format(tagname, html))
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return '<html><body><div id="from-json-by-calibre">' + '\n'.join(lines) + '</div></body></html>'
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class NoJSON(ValueError):
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pass
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def extract_html(soup):
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script = soup.findAll('script', id='__NEXT_DATA__')
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if not script:
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raise NoJSON('No script tag with JSON data found')
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raw = script[0].contents[0]
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return json_to_html(raw)
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# }}}
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class Reason(BasicNewsRecipe):
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title = 'Reason Magazine'
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description = 'Free minds and free markets'
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INDEX = 'https://reason.com/magazine/'
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__author__ = 'Howard Cornett'
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language = 'en'
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encoding = 'utf-8'
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needs_subscription = True
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remove_tags = [
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classes(
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'next-post-link the-tags tag rcom-social tools comments-header-show logo-header'
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' navbar navbar-expanded-lg primary content-info sidebar magicSidebar advertisement logo entry-subtitle'
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),
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]
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no_stylesheets = True
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remove_attributes = ['style']
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extra_css = '''
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.credit { text-align: right; font-size: 75%; display: block }
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.figcaption { font-size: 75% }
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.caption { font-size: 75% }
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.lead-img { display: block }
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p.dropcap:first-letter {
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float: left; text-transform: uppercase; font-weight: bold; font-size: 5.55em; line-height: 0.83;
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margin: 0; padding-right: 7px; margin-bottom: -2px; text-align: center;
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}
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'''
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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://reason.com/login')
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br.select_form(id='login_form')
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br['text_username'] = self.username
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br['password_password'] = self.password
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br.submit()
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return br
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def preprocess_raw_html(self, raw_html, url):
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try:
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return extract_html(self.index_to_soup(raw_html))
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except NoJSON:
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self.log.warn('No JSON found in: {} falling back to HTML'.format(url))
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except Exception:
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self.log.exception('Failed to extract JSON data from: {} falling back to HTML'.format(url))
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return raw_html
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def preprocess_html(self, soup):
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for img in soup.findAll('img', attrs={'data-lazy-src': True}):
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# img['src'] = img['data-lazy-src'].split()[0]
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data_lazy_src = img['data-lazy-src']
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if ',' in data_lazy_src:
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img['src'] = data_lazy_src.split(',')[0]
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else:
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img['src'] = data_lazy_src.split()[0]
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return soup
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def parse_index(self):
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soup = self.index_to_soup(self.INDEX)
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cover = soup.find('img', title=lambda value: value and value.startswith('Reason Magazine,'))
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if cover is not None:
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self.cover_url = cover['src']
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current_section, current_articles = 'Cover Story', []
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feeds = []
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for div in soup.findAll('div', **classes('issue-header-right toc-category-list')):
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for h3 in div.findAll('h3', **classes('toc-department')):
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if current_articles:
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feeds.append((current_section, current_articles))
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current_articles = []
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current_section = self.tag_to_string(h3)
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self.log('\nFound section:', current_section)
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title = h3.find_next_sibling().a.text
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url = h3.find_next_sibling().a['href']
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desc = h3.find_next_sibling().p.text
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current_articles.append({
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'title': title,
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'url': url,
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'description': desc
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})
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for h2 in div.findAll('h2', **classes('toc-department')):
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if current_articles:
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feeds.append((current_section, current_articles))
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current_articles = []
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current_section = self.tag_to_string(h2)
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self.log('\nFound section:', current_section)
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for article in div.findAll('article', attrs={'class': True}):
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h4 = article.find('h4')
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if h4.a is not None:
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title = h4.a.text
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url = h4.a['href']
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else:
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title = ''
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url = ''
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desc = h4.find_next_sibling().text
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current_articles.append({
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'title': title,
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'url': url,
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'description': desc
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})
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if current_articles:
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feeds.append((current_section, current_articles))
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return feeds
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