mirror of
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109 lines
4.1 KiB
Python
109 lines
4.1 KiB
Python
#!/usr/bin/env python
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__license__ = 'GPL v3'
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from calibre.web.feeds.news import BasicNewsRecipe
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from css_selectors import Select
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def absurl(url):
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if url.startswith('/'):
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url = 'https://www.scientificamerican.com' + url
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return url
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keep_classes = {'article-header', 'article-content',
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'article-media', 'article-author', 'article-text'}
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remove_classes = {'aside-banner', 'moreToExplore', 'article-footer'}
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class ScientificAmerican(BasicNewsRecipe):
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title = u'Scientific American'
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description = u'Popular Science. Monthly magazine. Should be downloaded around the middle of each month.'
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category = 'science'
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__author__ = 'Kovid Goyal'
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no_stylesheets = True
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language = 'en'
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publisher = 'Nature Publishing Group'
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remove_empty_feeds = True
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remove_javascript = True
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timefmt = ' [%B %Y]'
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needs_subscription = 'optional'
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keep_only_tags = [
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dict(attrs={'class': lambda x: x and bool(
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set(x.split()).intersection(keep_classes))}),
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]
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remove_tags = [
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dict(attrs={'class': lambda x: x and bool(
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set(x.split()).intersection(remove_classes))}),
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dict(id=['seeAlsoLinks']),
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]
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def get_browser(self, *args):
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br = BasicNewsRecipe.get_browser(self)
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if self.username and self.password:
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br.open('https://www.scientificamerican.com/my-account/login/')
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br.select_form(predicate=lambda f: f.attrs.get('id') == 'login')
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br['emailAddress'] = 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 parse_index(self):
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# Get the cover, date and issue URL
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root = self.index_to_soup(
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'https://www.scientificamerican.com/sciammag/', as_tree=True)
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select = Select(root)
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url = [x.get('href', '') for x in select('main .store-listing__img a')][0]
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url = absurl(url)
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self.cover_url = [x.get('src', '') for x in select('main .store-listing__img img')][0]
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# Now parse the actual issue to get the list of articles
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select = Select(self.index_to_soup(url, as_tree=True))
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feeds = []
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for i, section in enumerate(select('#sa_body .toc-articles')):
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if i == 0:
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feeds.append(
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('Features', list(self.parse_sciam_features(select, section))))
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else:
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feeds.extend(self.parse_sciam_departments(select, section))
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return feeds
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def parse_sciam_features(self, select, section):
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for article in select('article[data-article-title]', section):
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title = article.get('data-article-title')
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url = 'https://www.scientificamerican.com/{}/'.format(article.get('id').replace('-', '/', 1))
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desc = ''
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for p in select('p.t_body', article):
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desc += self.tag_to_string(p)
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break
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for p in select('.t_meta', article):
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desc += ' ' + self.tag_to_string(p)
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break
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self.log('Found feature article: %s at %s' % (title, url))
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self.log('\t' + desc)
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yield {'title': title, 'url': url, 'description': desc}
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def parse_sciam_departments(self, select, section):
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section_title, articles = 'Unknown', []
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for li in select('li[data-article-title]', section):
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for span in select('span.department-title', li):
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if articles:
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yield section_title, articles
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section_title, articles = self.tag_to_string(span), []
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self.log('\nFound section: %s' % section_title)
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break
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url = 'https://www.scientificamerican.com/{}/'.format(li.get('id').replace('-', '/', 1))
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for h2 in select('h2.t_listing-title', li):
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title = self.tag_to_string(h2)
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break
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else:
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continue
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articles.append(
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{'title': title, 'url': url, 'description': ''})
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self.log('\tFound article: %s at %s' % (title, url))
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if articles:
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yield section_title, articles
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