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Update Scientific American
Needs testing with an actual subscription
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Kovid Goyal
parent
609c2de0e4
commit
516a4cf731
@ -1,95 +1,96 @@
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#!/usr/bin/env python
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__license__ = 'GPL v3'
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import re
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from calibre.web.feeds.news import BasicNewsRecipe
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try:
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from calibre.web.feeds.jsnews import CSSSelect
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except ImportError:
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def CSSSelect(expr):
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from cssselect import HTMLTranslator
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from lxml.etree import XPath
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return XPath(HTMLTranslator().css_to_xpath(expr))
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def absurl(url):
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if url.startswith('/'):
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url = 'http://www.scientificamerican.com' + url
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return url
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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.'
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category = 'science'
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__author__ = 'Starson17'
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__author__ = 'Kovid Goyal'
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no_stylesheets = True
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use_embedded_content = False
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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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oldest_article = 30
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max_articles_per_feed = 100
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conversion_options = {'linearize_tables' : True
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, 'comment' : description
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, 'tags' : category
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, 'publisher' : publisher
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, 'language' : language
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}
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needs_subscription = 'optional'
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keep_only_tags = [
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dict(name='h2', attrs={'class':'articleTitle'})
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,dict(name='p', attrs={'id':'articleDek'})
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,dict(name='p', attrs={'class':'articleInfo'})
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,dict(name='div', attrs={'id':['articleContent']})
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,dict(name='img', attrs={'src':re.compile(r'/media/inline/blog/Image/', re.DOTALL|re.IGNORECASE)})
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]
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dict(attrs={'class':['article-title', 'article-dek', 'article-author article-date', 'article-content', 'article-slatwallPayWall']}),
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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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remove_tags = [dict(name='a', attrs={'class':'tinyCommentCount'})
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,dict(name='div', attrs={'id':'bigCoverModule'})
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,dict(name='div', attrs={'class':'addInfo'})
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]
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def parse_index(self):
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soup = self.index_to_soup('http://www.scientificamerican.com/sciammag/')
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issuetag = soup.find('p',attrs={'id':'articleDek'})
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self.timefmt = ' [%s]'%(self.tag_to_string(issuetag))
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img = soup.find('img', alt='Scientific American Magazine', src=True)
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if img is not None:
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self.cover_url = img['src']
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features, feeds = [], []
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for a in soup.find(attrs={'class':'doubleWide'}).find(attrs={'class':'primaryCol'}).findAll('a',attrs={'title':'Feature'}):
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if a is None:
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continue
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desc = ''
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s = a.parent.parent.find(attrs={'class':'dek'})
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desc = self.tag_to_string(s)
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article = {
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'url' : a['href'],
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'title' : self.tag_to_string(a),
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'date' : '',
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'description' : desc,
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}
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features.append(article)
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feeds.append(('Features', features))
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department = []
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title = None
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for li in soup.find(attrs={'class':'secondaryCol'}).findAll('li'):
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if 'department.cfm' in li.a['href']:
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if department:
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feeds.append((title, department))
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title = self.tag_to_string(li.a)
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department = []
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if 'article.cfm' in li.h3.a['href']:
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article = {
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'url' : li.h3.a['href'],
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'title' : self.tag_to_string(li.h3.a),
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'date': '',
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'description': self.tag_to_string(li.p),
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}
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department.append(article)
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if department:
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feeds.append((title, department))
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# Get the cover, date and issue URL
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root = self.index_to_soup('http://www.scientificamerican.com/sciammag/', as_tree=True)
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for a in CSSSelect('.archiveIssues a.cover[href]')(root):
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self.cover_url = absurl(CSSSelect('img[src]')(a)[0].get('src'))
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root = self.index_to_soup(absurl(a.get('href')), as_tree=True)
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for a in a.xpath('following-sibling::a[@href]'):
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self.timefmt = self.tag_to_string(a).strip()
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break
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break
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else:
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raise ValueError('The Scientific American website has changed, this recipe needs to be updated')
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# Now parse the actual issue to get the list of articles
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feeds = []
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for i, div in enumerate(CSSSelect('div.toc-features, div.toc-departments')(root)):
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if i == 0:
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feeds.append(('Features', list(self.parse_sciam_features(div))))
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else:
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feeds.extend(self.parse_sciam_departments(div))
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return feeds
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def postprocess_html(self, soup, first_fetch):
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for item in soup.findAll('a'):
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if 'topic.cfm' in item['href']:
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item.replaceWith(item.string)
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return soup
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extra_css = '''
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p{font-weight: normal; font-size:small}
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li{font-weight: normal; font-size:small}
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.headline p{font-size:x-small; font-family:Arial,Helvetica,sans-serif;}
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h2{font-size:large; font-family:Arial,Helvetica,sans-serif;}
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h3{font-size:x-small;font-family:Arial,Helvetica,sans-serif;}
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'''
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def parse_sciam_features(self, div):
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for h4 in CSSSelect('li a[href] h4')(div):
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title = self.tag_to_string(h4)
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a = h4.getparent()
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url = absurl(a.get('href'))
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desc = ''
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for span in a.xpath('following-sibling::span'):
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desc = self.tag_to_string(span)
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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, div):
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section_title, articles = 'Unknown', []
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for x in CSSSelect('li a[href] h3, li span.deptTitle a[href]')(div):
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if x.tag == 'a':
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if articles:
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yield section_title, list(articles)
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section_title = self.tag_to_string(x)
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del articles[:]
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self.log('\nFound section: %s' % section_title)
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else:
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title = self.tag_to_string(x)
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a = x.getparent()
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url = absurl(a.get('href'))
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articles.append({'title':title, 'url':url, 'description':''})
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self.log('\tFound article: %s at %s' % (title, url))
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