forked from tanner/qotnews
add news site categories feed.
This commit is contained in:
Jason Schwarzenberger
197
apiserver/feeds/news.py
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197
apiserver/feeds/news.py
Normal file
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import logging
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logging.basicConfig(
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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level=logging.DEBUG)
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if __name__ == '__main__':
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import sys
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sys.path.insert(0,'.')
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import requests
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from datetime import datetime
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from bs4 import BeautifulSoup
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import extruct
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from utils import clean
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OUTLINE_API = 'https://api.outline.com/v3/parse_article'
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USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0'
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def unix(date_str):
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date_tzfix = date_str
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if ":" == date_tzfix[-3]:
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date_tzfix = date_tzfix[:-3]+date_tzfix[-2:]
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formats = ['%Y-%m-%dT%H:%M:%SZ', '%Y-%m-%dT%H:%M:%S%z', '%Y-%m-%dT%H:%M:%S.%fZ', '%Y-%m-%dT%H:%M:%S.%f%z']
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for f in formats:
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try:
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return int(datetime.strptime(date_str, f).timestamp())
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except:
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pass
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try:
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return int(datetime.strptime(date_tzfix, f).timestamp())
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except:
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pass
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return 0
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def xml(route, ref=None):
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try:
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headers = {'User-Agent': USER_AGENT, 'X-Forwarded-For': '66.249.66.1'}
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r = requests.get(route(ref), headers=headers, timeout=5)
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if r.status_code != 200:
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raise Exception('Bad response code ' + str(r.status_code))
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return r.text
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except KeyboardInterrupt:
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raise
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except BaseException as e:
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logging.error('Problem hitting URL: {}'.format(str(e)))
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return False
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def parse_extruct(s, data):
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for rdfa in data['rdfa']:
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for key, props in rdfa.items():
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if 'http://ogp.me/ns#title' in props:
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for values in props['http://ogp.me/ns#title']:
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s['title'] = values['@value']
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if 'http://ogp.me/ns/article#modified_time' in props:
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for values in props['http://ogp.me/ns/article#modified_time']:
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print(f"modified_time: {values['@value']}")
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s['date'] = unix(values['@value'])
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if 'http://ogp.me/ns/article#published_time' in props:
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for values in props['http://ogp.me/ns/article#published_time']:
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print(f"published_time: {values['@value']}")
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s['date'] = unix(values['@value'])
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for og in data['opengraph']:
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titles = list(filter(None, [value if 'og:title' in key else None for key, value in og['properties']]))
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modified = list(filter(None, [value if 'article:modified_time' in key else None for key, value in og['properties']]))
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published = list(filter(None, [value if 'article:published_time' in key else None for key, value in og['properties']]))
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if len(modified):
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s['date'] = unix(modified[0])
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if len(published):
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s['date'] = unix(published[0])
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s['date'] = unix(published[0] or modified[0] or '')
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if len(titles):
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s['title'] = titles[0]
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for md in data['microdata']:
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if md['type'] == 'https://schema.org/NewsArticle':
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props = md['properties']
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s['title'] = props['headline']
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if props['dateModified']:
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s['date'] = unix(props['dateModified'])
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if props['datePublished']:
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s['date'] = unix(props['datePublished'])
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if 'author' in props and props['author']:
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s['author'] = props['author']['properties']['name']
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for ld in data['json-ld']:
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if ld['@type'] == 'Article':
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s['title'] = ld['headline']
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if ld['dateModified']:
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s['date'] = unix(ld['dateModified'])
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if ld['datePublished']:
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s['date'] = unix(ld['datePublished'])
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if 'author' in ld and ld['author']:
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s['author'] = ld['author']['name']
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return s
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class Sitemap:
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def __init__(self, url):
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self.sitemap_url = url
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def feed(self):
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markup = xml(lambda x: self.sitemap_url)
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if not markup: return []
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soup = BeautifulSoup(markup, features='lxml')
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articles = soup.find('urlset').findAll('url')
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articles = list(filter(None, [a if a.find('lastmod') is not None else None for a in articles]))
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return [x.find('loc').text for x in articles] or []
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def story(self, ref):
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markup = xml(lambda x: self.sitemap_url)
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if not markup: return []
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soup = BeautifulSoup(markup, features='lxml')
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articles = soup.find('urlset').findAll('url')
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articles = list(filter(None, [a if a.find('lastmod') is not None else None for a in articles]))
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articles = list(filter(None, [a if a.find('loc').text == ref else None for a in articles]))
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if len(articles) == 0:
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return False
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r = articles[0]
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if not r:
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return False
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html = xml(lambda x: ref)
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if not html:
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return False
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data = extruct.extract(html)
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s = {}
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s['author_link'] = ''
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s['score'] = ''
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s['comments'] = []
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s['num_comments'] = 0
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s['link'] = ref
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s['url'] = ref
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s['date'] = unix(r.find('lastmod').text)
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s = parse_extruct(s, data)
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return s
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class Category:
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def __init__(self, url):
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self.category_url = url
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self.base_url = '/'.join(url.split('/')[:3])
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def feed(self):
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markup = xml(lambda x: self.category_url)
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if not markup: return []
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soup = BeautifulSoup(markup, features='html.parser')
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links = soup.find_all('a', href=True)
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links = [link.get('href') for link in links]
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links = [f"{self.base_url}{link}" if link.startswith('/') else link for link in links]
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links = list(filter(None, [link if link.startswith(self.category_url) else None for link in links]))
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return links
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def story(self, ref):
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markup = xml(lambda x: ref)
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if not markup:
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return False
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data = extruct.extract(markup)
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s = {}
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s['author_link'] = ''
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s['score'] = ''
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s['comments'] = []
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s['num_comments'] = 0
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s['link'] = ref
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s['url'] = ref
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s['date'] = 0
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s = parse_extruct(s, data)
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return s
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# scratchpad so I can quickly develop the parser
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if __name__ == '__main__':
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print("Sitemap: Stuff")
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site = Sitemap("https://www.stuff.co.nz/sitemap.xml")
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posts = site.feed()
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print(posts[:1])
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print(site.story(posts[0]))
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print("Sitemap: NZ Herald")
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site = Sitemap("https://www.nzherald.co.nz/arcio/news-sitemap/")
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posts = site.feed()
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print(posts[:1])
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print(site.story(posts[0]))
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print("Category: RadioNZ Te Ao Māori")
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site = Category("https://www.rnz.co.nz/news/te-manu-korihi/")
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posts = site.feed()
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print(posts[:1])
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print(site.story(posts[0]))
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@@ -1,128 +0,0 @@
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import logging
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logging.basicConfig(
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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level=logging.DEBUG)
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if __name__ == '__main__':
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import sys
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sys.path.insert(0,'.')
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import requests
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from datetime import datetime
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from bs4 import BeautifulSoup
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import extruct
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from utils import clean
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OUTLINE_API = 'https://api.outline.com/v3/parse_article'
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USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0'
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def unix(date_str):
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return int(datetime.strptime(date_str, '%Y-%m-%dT%H:%M:%SZ').timestamp())
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def xml(route, ref=None):
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try:
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headers = {'User-Agent': USER_AGENT, 'X-Forwarded-For': '66.249.66.1'}
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r = requests.get(route(ref), headers=headers, timeout=5)
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if r.status_code != 200:
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raise Exception('Bad response code ' + str(r.status_code))
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return r.text
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except KeyboardInterrupt:
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raise
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except BaseException as e:
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logging.error('Problem hitting URL: {}'.format(str(e)))
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return False
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def get_article_details(url):
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try:
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params = {'source_url': url}
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headers = {'Referer': 'https://outline.com/'}
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r = requests.get(OUTLINE_API, params=params, headers=headers, timeout=20)
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if r.status_code == 429:
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logging.info('Rate limited by outline, sleeping 30s and skipping...')
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time.sleep(30)
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return ''
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if r.status_code != 200:
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raise Exception('Bad response code ' + str(r.status_code))
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data = r.json()['data']
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if 'URL is not supported by Outline' in data['html']:
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raise Exception('URL not supported by Outline')
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return (data, "outline")
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except KeyboardInterrupt:
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raise
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except BaseException as e:
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logging.error('Problem outlining article: {}'.format(str(e)))
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return (None, None)
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class Sitemap:
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def __init__(self, url):
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self.sitemap_url = url
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def feed(self):
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markup = xml(lambda x: self.sitemap_url)
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if not markup: return []
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soup = BeautifulSoup(markup, features='lxml')
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articles = soup.find('urlset').findAll('url')
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articles = list(filter(None, [a if a.find('lastmod') is not None else None for a in articles]))
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return [x.find('loc').text for x in articles] or []
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def story(self, ref):
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markup = xml(lambda x: self.sitemap_url)
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if not markup: return []
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soup = BeautifulSoup(markup, features='lxml')
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articles = soup.find('urlset').findAll('url')
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articles = list(filter(None, [a if a.find('lastmod') is not None else None for a in articles]))
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articles = list(filter(None, [a if a.find('loc').text == ref else None for a in articles]))
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if len(articles) == 0:
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return False
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r = articles[0]
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if not r:
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return False
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html = xml(lambda x: ref)
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if not html:
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return False
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data = extruct.extract(html)
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s = {}
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s['author_link'] = ''
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s['score'] = ''
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s['comments'] = []
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s['num_comments'] = 0
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s['link'] = ref
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s['url'] = ref
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s['date'] = unix(r.find('lastmod').text)
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for og in data['opengraph']:
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titles = list(filter(None, [value if 'og:title' in key else None for key, value in og['properties']]))
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if len(titles):
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s['title'] = titles[0]
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for md in data['microdata']:
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if md['type'] == 'https://schema.org/NewsArticle':
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props = md['properties']
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s['title'] = props['headline']
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if 'author' in props and props['author']:
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s['author'] = props['author']['properties']['name']
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for ld in data['json-ld']:
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if ld['@type'] == 'Article':
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s['title'] = ld['headline']
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if 'author' in ld and ld['author']:
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s['author'] = ld['author']['name']
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return s
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# scratchpad so I can quickly develop the parser
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if __name__ == '__main__':
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#site = Sitemap("https://www.stuff.co.nz/sitemap.xml")
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site = Sitemap("https://www.nzherald.co.nz/arcio/news-sitemap/")
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posts = site.feed()
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print(posts[:1])
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print(site.story(posts[0]))
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