mirror of
https://github.com/kovidgoyal/calibre.git
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340 lines
13 KiB
Python
340 lines
13 KiB
Python
#!/usr/bin/env python
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# License: GPLv3 Copyright: 2008, Kovid Goyal <kovid at kovidgoyal.net>
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import json
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import time
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from datetime import datetime, timedelta
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from html5_parser import parse
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from lxml import etree
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from calibre.ebooks.BeautifulSoup import NavigableString, Tag
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from calibre.web.feeds.news import BasicNewsRecipe
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def process_list(li_node):
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li_html = ''
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for li in li_node['items']:
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if li.get('textHtml'):
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li_html += f'<li>{li.get("textHtml")}</li>'
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else:
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li_html += f'<li>{li.get("text", "")}</li>'
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return li_html
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def process_info_box(bx):
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info = ''
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for x in safe_dict(bx, 'components'):
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info += f'<blockquote>{process_node(x)}</blockquote>'
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return info
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def process_node(node):
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ntype = node.get('type', '')
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if ntype == 'CROSSHEAD':
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if node.get('textHtml'):
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return f'<h4>{node.get("textHtml")}</h4>'
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return f'<h4>{node.get("text", "")}</h4>'
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elif ntype in ['PARAGRAPH', 'BOOK_INFO']:
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if node.get('textHtml'):
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return f'<p>{node.get("textHtml")}</p>'
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return f'<p>{node.get("text", "")}</p>'
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elif ntype == 'IMAGE':
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alt = '' if node.get('altText') is None else node.get('altText')
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cap = ''
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if node.get('caption'):
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if node['caption'].get('textHtml') is not None:
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cap = node['caption']['textHtml']
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return f'<div><img src="{node["url"]}" title="{alt}"></div><div style="text-align:center; font-size:small;">{cap}</div>'
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elif ntype == 'PULL_QUOTE':
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if node.get('textHtml'):
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return f'<blockquote>{node.get("textHtml")}</blockquote>'
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return f'<blockquote>{node.get("text", "")}</blockquote>'
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elif ntype == 'DIVIDER':
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return '<hr>'
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elif ntype == 'INFOGRAPHIC':
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if node.get('fallback'):
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return process_node(node['fallback'])
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elif ntype == 'INFOBOX':
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return process_info_box(node)
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elif ntype == 'UNORDERED_LIST':
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if node.get('items'):
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return process_list(node)
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elif ntype:
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print('** ', ntype)
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return ''
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def safe_dict(data, *names):
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ans = data
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for x in names:
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ans = ans.get(x) or {}
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return ans
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class JSONHasNoContent(ValueError):
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pass
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def load_article_from_json(raw):
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# open('/t/raw.json', 'w').write(raw)
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body = ''
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try:
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data = json.loads(raw)['props']['pageProps']['cp2Content']
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except Exception:
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data = json.loads(raw)['props']['pageProps']['content']
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body += f'<div style="color: red; font-size:small; font-weight:bold;">{data.get("flyTitle", "")}</div>'
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body += f'<h1>{data["headline"]}</h1>'
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body += f'<div style="font-style: italic; color:#202020;">{data.get("rubric", "")}</div>'
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try:
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date = data['dateModified']
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except Exception:
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date = data['datePublished']
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dt = datetime.fromisoformat(date[:-1]) + timedelta(seconds=time.timezone)
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dt = dt.strftime('%b %d, %Y %I:%M %p')
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if data.get('dateline') is None:
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body += f'<p style="color: gray; font-size: small;">{dt}</p>'
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else:
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body += f'<p style="color: gray; font-size: small;">{dt + " | " + (data["dateline"])}</p>'
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main_image_url = safe_dict(data, 'leadComponent') or ''
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if main_image_url:
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body += process_node(data['leadComponent'])
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for node in data.get('body'):
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body += process_node(node)
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return '<html><body><article>' + body + '</article></body></html>'
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def cleanup_html_article(root):
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main = root.xpath('//main')[0]
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body = root.xpath('//body')[0]
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for child in tuple(body):
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body.remove(child)
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body.append(main)
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main.set('id', '')
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main.tag = 'article'
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for x in root.xpath('//*[@style]'):
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x.set('style', '')
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for x in root.xpath('//button'):
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x.getparent().remove(x)
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def classes(classes):
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q = frozenset(classes.split(' '))
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return dict(attrs={
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'class': lambda x: x and frozenset(x.split()).intersection(q)})
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def new_tag(soup, name, attrs=()):
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impl = getattr(soup, 'new_tag', None)
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if impl is not None:
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return impl(name, attrs=dict(attrs))
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return Tag(soup, name, attrs=attrs or None)
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class NoArticles(Exception):
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pass
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def process_url(url):
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if url.startswith('/'):
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url = 'https://www.economist.com' + url
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return url
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class EconomistWorld(BasicNewsRecipe):
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title = 'The Economist World Ahead'
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language = 'en_GB'
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encoding = 'utf-8'
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masthead_url = 'https://www.livemint.com/lm-img/dev/economist-logo-oneline.png'
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__author__ = 'unkn0wn'
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description = (
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'The World Ahead is The Economist’s future-gazing publication. It prepares audiences for what is to '
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'come with mind-stretching insights and expert analysis—all in The Economist’s clear, elegant style.'
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' Best downloaded in late November.'
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)
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extra_css = '''
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em { color:#202020; }
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img {display:block; margin:0 auto;}
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'''
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resolve_internal_links = True
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remove_tags = [
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dict(name=['script', 'noscript', 'title', 'iframe', 'cf_floatingcontent', 'aside', 'footer', 'svg']),
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dict(attrs={'aria-label': 'Article Teaser'}),
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dict(attrs={'id': 'player'}),
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dict(attrs={
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'class': [
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'dblClkTrk', 'ec-article-info', 'share_inline_header',
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'related-items', 'main-content-container', 'ec-topic-widget',
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'teaser', 'blog-post__bottom-panel-bottom', 'blog-post__comments-label',
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'blog-post__foot-note', 'blog-post__sharebar', 'blog-post__bottom-panel',
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'newsletter-form', 'share-links-header', 'teaser--wrapped', 'latest-updates-panel__container',
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'latest-updates-panel__article-link', 'blog-post__section'
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]
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}
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),
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dict(attrs={
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'class': lambda x: x and 'blog-post__siblings-list-aside' in x.split()}),
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dict(attrs={'id': lambda x: x and 'gpt-ad-slot' in x}),
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classes(
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'share-links-header teaser--wrapped latest-updates-panel__container'
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' latest-updates-panel__article-link blog-post__section newsletter-form blog-post__bottom-panel'
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)
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]
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keep_only_tags = [dict(name='article', id=lambda x: not x)]
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no_stylesheets = True
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remove_attributes = ['data-reactid', 'width', 'height']
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# economist.com has started throttling after about 60% of the total has
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# downloaded with connection reset by peer (104) errors.
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delay = 3
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remove_empty_feeds = True
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ignore_duplicate_articles = {'title'}
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browser_type = 'webengine'
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needs_subscription = False
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recipe_specific_options = {
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'res': {
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'short': 'For hi-res images, select a resolution from the\nfollowing options: 834, 960, 1096, 1280, 1424',
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'long': 'This is useful for non e-ink devices, and for a lower file size\nthan the default, use from 480, 384, 360, 256.',
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'default': '600',
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},
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}
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def get_browser(self, *args, **kwargs):
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kwargs['user_agent'] = (
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'Mozilla/5.0 (Linux; Android 14) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.6533.103 Mobile Safari/537.36 Liskov'
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)
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br = BasicNewsRecipe.get_browser(self, *args, **kwargs)
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return br
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def economist_test_article(self):
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return [('Articles', [{'title':'test',
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'url':'https://www.economist.com/the-world-ahead/2024/11/20/ten-business-trends-for-2025-and-forecasts-for-15-industries'
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}])]
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def economist_return_index(self, ans):
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if not ans:
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raise NoArticles(
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'Could not find any articles, either the '
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'economist.com server is having trouble and you should '
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'try later or the website format has changed and the '
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'recipe needs to be updated.'
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)
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return ans
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def parse_index(self):
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# return self.economist_test_article()
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raw = self.index_to_soup('https://www.economist.com/the-world-ahead')
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ans = self.economist_parse_index(raw)
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return self.economist_return_index(ans)
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def economist_parse_index(self, soup):
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script_tag = soup.find('script', id='__NEXT_DATA__')
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if script_tag is not None:
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data = json.loads(script_tag.string)
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# open('/t/raw.json', 'w').write(json.dumps(data, indent=2, sort_keys=True))
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self.title = safe_dict(data, 'props', 'pageProps', 'content', 'headline')
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self.cover_url = 'https://mma.prnewswire.com/media/2561745/The_Economist_World_Ahead_2025_cover.jpg?w=600'
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feeds = []
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for coll in safe_dict(data, 'props', 'pageProps', 'content', 'components'):
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section = safe_dict(coll, 'headline') or ''
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self.log(section)
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articles = []
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for part in safe_dict(coll, 'items'):
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title = safe_dict(part, 'headline') or ''
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url = process_url(safe_dict(part, 'url') or '')
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desc = safe_dict(part, 'rubric') or ''
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sub = safe_dict(part, 'flyTitle') or ''
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if sub and section != sub:
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desc = sub + ' :: ' + desc
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self.log('\t', title, '\n\t', desc, '\n\t\t', url)
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articles.append({'title': title, 'description':desc, 'url': url})
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if articles:
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feeds.append((section, articles))
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return feeds
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def preprocess_html(self, soup):
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width = '600'
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w = self.recipe_specific_options.get('res')
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if w and isinstance(w, str):
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width = w
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for img in soup.findAll('img', src=True):
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qua = 'economist.com/cdn-cgi/image/width=' + width + ',quality=80,format=auto/'
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img['src'] = img['src'].replace('economist.com/', qua)
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return soup
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def preprocess_raw_html(self, raw, url):
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# open('/t/raw.html', 'wb').write(raw.encode('utf-8'))
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root_ = parse(raw)
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if '/interactive/' in url:
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return ('<html><body><article><h1>' + root_.xpath('//h1')[0].text + '</h1><em>'
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'This article is supposed to be read in a browser.'
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'</em></article></body></html>')
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script = root_.xpath('//script[@id="__NEXT_DATA__"]')
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html = load_article_from_json(script[0].text)
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root = parse(html)
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for div in root.xpath('//div[@class="lazy-image"]'):
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noscript = list(div.iter('noscript'))
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if noscript and noscript[0].text:
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img = list(parse(noscript[0].text).iter('img'))
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if img:
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p = noscript[0].getparent()
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idx = p.index(noscript[0])
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p.insert(idx, p.makeelement('img', src=img[0].get('src')))
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p.remove(noscript[0])
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for x in root.xpath('//*[name()="script" or name()="style" or name()="source" or name()="meta"]'):
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x.getparent().remove(x)
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# the economist uses <small> for small caps with a custom font
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for init in root.xpath('//span[@data-caps="initial"]'):
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init.set('style', 'font-weight:bold;')
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for x in root.xpath('//small'):
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if x.text and len(x) == 0:
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x.text = x.text.upper()
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x.tag = 'span'
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x.set('style', 'font-variant: small-caps')
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for h2 in root.xpath('//h2'):
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h2.tag = 'h4'
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for x in root.xpath('//figcaption'):
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x.set('style', 'text-align:center; font-size:small;')
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for x in root.xpath('//cite'):
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x.tag = 'blockquote'
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x.set('style', 'color:#404040;')
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raw = etree.tostring(root, encoding='unicode')
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return raw
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def eco_find_image_tables(self, soup):
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for x in soup.findAll('table', align=['right', 'center']):
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if len(x.findAll('font')) in (1, 2) and len(x.findAll('img')) == 1:
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yield x
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def postprocess_html(self, soup, first):
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for img in soup.findAll('img', srcset=True):
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del img['srcset']
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for table in list(self.eco_find_image_tables(soup)):
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caption = table.find('font')
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img = table.find('img')
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div = new_tag(soup, 'div')
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div['style'] = 'text-align:left;font-size:70%'
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ns = NavigableString(self.tag_to_string(caption))
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div.insert(0, ns)
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div.insert(1, new_tag(soup, 'br'))
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del img['width']
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del img['height']
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img.extract()
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div.insert(2, img)
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table.replaceWith(div)
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return soup
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def canonicalize_internal_url(self, url, is_link=True):
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if url.endswith('/print'):
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url = url.rpartition('/')[0]
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return BasicNewsRecipe.canonicalize_internal_url(self, url, is_link=is_link)
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