sitemap based feed.

This commit is contained in:
Jason Schwarzenberger 2020-11-03 16:00:03 +13:00
parent de80389ed0
commit 76f1d57702
3 changed files with 120 additions and 1 deletions

View File

@ -7,7 +7,7 @@ import requests
import time
from bs4 import BeautifulSoup
from feeds import hackernews, reddit, tildes, substack, manual
from feeds import hackernews, reddit, tildes, substack, manual, sitemap
OUTLINE_API = 'https://api.outline.com/v3/parse_article'
READ_API = 'http://127.0.0.1:33843'
@ -17,11 +17,15 @@ TWO_DAYS = 60*60*24*2
webworm = substack.Publication("https://www.webworm.co")
bulletin = substack.Publication("https://thespinoff.substack.com")
stuff = sitemap.Sitemap("https://www.stuff.co.nz/sitemap.xml")
nzherald = sitemap.Sitemap("https://www.nzherald.co.nz/arcio/news-sitemap/")
def list():
feed = []
feed += [(x, 'hackernews') for x in hackernews.feed()[:10]]
feed += [(x, 'tildes') for x in tildes.feed()[:10]]
feed += [(x, 'stuff') for x in stuff.feed()[:10]]
feed += [(x, 'nzherald') for x in nzherald.feed()[:10]]
feed += [(x, 'substack') for x in substack.top.feed()[:15]]
feed += [(x, 'reddit') for x in reddit.feed()[:15]]
feed += [(x, 'webworm') for x in webworm.feed()[:15]]
@ -89,6 +93,10 @@ def update_story(story, is_manual=False):
res = bulletin.story(story['ref'])
elif story['source'] == 'substack':
res = substack.top.story(story['ref'])
elif story['source'] == 'stuff':
res = stuff.story(story['ref'])
elif story['source'] == 'nzherald':
res = nzherald.story(story['ref'])
elif story['source'] == 'manual':
res = manual.story(story['ref'])

110
apiserver/feeds/sitemap.py Normal file
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@ -0,0 +1,110 @@
import logging
logging.basicConfig(
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
level=logging.DEBUG)
if __name__ == '__main__':
import sys
sys.path.insert(0,'.')
import requests
from datetime import datetime
from bs4 import BeautifulSoup
from utils import clean
OUTLINE_API = 'https://api.outline.com/v3/parse_article'
USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:77.0) Gecko/20100101 Firefox/77.0'
def unix(date_str):
return int(datetime.strptime(date_str, '%Y-%m-%dT%H:%M:%SZ').timestamp())
def xml(route, ref=None):
try:
headers = {'User-Agent': USER_AGENT, 'X-Forwarded-For': '66.249.66.1'}
r = requests.get(route(ref), headers=headers, timeout=5)
if r.status_code != 200:
raise Exception('Bad response code ' + str(r.status_code))
return r.text
except KeyboardInterrupt:
raise
except BaseException as e:
logging.error('Problem hitting URL: {}'.format(str(e)))
return False
def get_article_details(url):
try:
params = {'source_url': url}
headers = {'Referer': 'https://outline.com/'}
r = requests.get(OUTLINE_API, params=params, headers=headers, timeout=20)
if r.status_code == 429:
logging.info('Rate limited by outline, sleeping 30s and skipping...')
time.sleep(30)
return ''
if r.status_code != 200:
raise Exception('Bad response code ' + str(r.status_code))
data = r.json()['data']
if 'URL is not supported by Outline' in data['html']:
raise Exception('URL not supported by Outline')
return (data, "outline")
except KeyboardInterrupt:
raise
except BaseException as e:
logging.error('Problem outlining article: {}'.format(str(e)))
return (None, None)
class Sitemap:
def __init__(self, url):
self.sitemap_url = url
def feed(self):
markup = xml(lambda x: self.sitemap_url)
if not markup: return []
soup = BeautifulSoup(markup, features='lxml')
articles = soup.find('urlset').findAll('url')
articles = list(filter(None, [a if a.find('lastmod') is not None else None for a in articles]))
return [x.find('loc').text for x in articles] or []
def story(self, ref):
markup = xml(lambda x: self.sitemap_url)
if not markup: return []
soup = BeautifulSoup(markup, features='lxml')
articles = soup.find('urlset').findAll('url')
articles = list(filter(None, [a if a.find('lastmod') is not None else None for a in articles]))
articles = list(filter(None, [a if a.find('loc').text == ref else None for a in articles]))
if len(articles) == 0:
return False
r = articles[0]
if not r:
return False
(data, method) = get_article_details(ref)
if not data:
return False
if 'outline' not in method:
return False
s = {}
s['author'] = data['author']
s['author_link'] = ''
s['date'] = unix(r.find('lastmod').text)
s['score'] = 0
s['title'] = data['title']
s['link'] = data['article_url']
s['url'] = data['article_url']
s['comments'] = []
s['num_comments'] = 0
s['text'] = data['html']
return s
# scratchpad so I can quickly develop the parser
if __name__ == '__main__':
# site = Sitemap("https://www.stuff.co.nz/sitemap.xml")
site = Sitemap("https://www.nzherald.co.nz/arcio/news-sitemap/")
posts = site.feed()
print(posts[:1])
print(site.story(posts[0]))

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@ -11,6 +11,7 @@ greenlet==0.4.16
idna==2.10
itsdangerous==1.1.0
Jinja2==2.11.2
lxml==4.6.1
MarkupSafe==1.1.1
packaging==20.4
praw==6.4.0