forked from tanner/qotnews
151 lines
4.7 KiB
Python
151 lines
4.7 KiB
Python
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 bs4 import BeautifulSoup
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from datetime import datetime
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from utils import clean
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# cache the topic groups to prevent redirects
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group_lookup = {}
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USER_AGENT = 'qotnews scraper (github:tannercollin)'
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API_TOPSTORIES = lambda : 'https://tildes.net'
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API_ITEM = lambda x : 'https://tildes.net/shortener/{}'.format(x)
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SITE_LINK = lambda group, ref : 'https://tildes.net/{}/{}'.format(group, ref)
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SITE_AUTHOR_LINK = lambda x : 'https://tildes.net/user/{}'.format(x)
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def api(route):
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try:
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headers = {'User-Agent': USER_AGENT}
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r = requests.get(route, 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.critical('Problem hitting tildes website: {}'.format(str(e)))
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return False
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def feed():
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html = api(API_TOPSTORIES())
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if not html: return []
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soup = BeautifulSoup(html, features='html.parser')
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articles = soup.find('ol', class_='topic-listing').findAll('article')
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return [x['id'].split('-')[1] for x in articles] or []
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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 comment(i):
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i = i.article
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if i.find('div', class_='is-comment-removed'):
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return False
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if i.find('div', class_='is-comment-deleted'):
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return False
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c = {}
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lu = i.find('a', class_='link-user')
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c['author'] = str(lu.string if lu else 'unknown user')
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c['score'] = 1
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c['date'] = unix(i.find('time')['datetime'])
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c['text'] = clean(i.find('div', class_='comment-text').encode_contents().decode() or '')
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ct = i.find('ol', class_='comment-tree')
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c['comments'] = [comment(j) for j in ct.findAll('li', recursive=False)] if ct else []
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c['comments'] = list(filter(bool, c['comments']))
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return c
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def story(ref):
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if ref in group_lookup:
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html = api(SITE_LINK(group_lookup[ref], ref))
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else:
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html = api(API_ITEM(ref))
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if not html:
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logging.info('Bad Tildes API response.')
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return False
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soup = BeautifulSoup(html, features='html.parser')
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a = soup.find('article', class_='topic-full')
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if a is None:
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logging.info('Tildes <article> element not found.')
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return False
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h = a.find('header')
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lu = h.find('a', class_='link-user')
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error = a.find('div', class_='text-error')
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if error:
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if 'deleted' in error.string or 'removed' in error.string:
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logging.info('Article was deleted or removed.')
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return False
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s = {}
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s['author'] = str(lu.string if lu else 'unknown user')
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s['author_link'] = SITE_AUTHOR_LINK(s['author'])
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s['score'] = int(h.find('span', class_='topic-voting-votes').string)
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s['date'] = unix(h.find('time')['datetime'])
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s['title'] = str(h.h1.string)
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s['group'] = str(soup.find('div', class_='site-header-context').a.string)
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group_lookup[ref] = s['group']
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s['link'] = SITE_LINK(s['group'], ref)
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ud = a.find('div', class_='topic-full-link')
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s['url'] = ud.a['href'] if ud else s['link']
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sc = a.find('ol', id='comments')
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s['comments'] = [comment(i) for i in sc.findAll('li', recursive=False)]
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s['comments'] = list(filter(bool, s['comments']))
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ch = a.find('header', class_='topic-comments-header')
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s['num_comments'] = int(ch.h2.string.split(' ')[0]) if ch else 0
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if s['group'].split('.')[0] not in [
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'~arts',
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'~comp',
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'~creative',
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'~design',
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'~engineering',
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'~finance',
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'~science',
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'~tech',
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]:
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logging.info('Group ({}) not in whitelist.'.format(s['group']))
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return False
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if s['score'] < 15 and s['num_comments'] < 10:
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logging.info('Score ({}) or num comments ({}) below threshold.'.format(s['score'], s['num_comments']))
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return False
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td = a.find('div', class_='topic-full-text')
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if td:
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s['text'] = clean(td.encode_contents().decode() or '')
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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(feed())
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#normal = story('gxt')
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#print(normal)
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#no_comments = story('gxr')
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#print(no_comments)
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#self_post = story('gsb')
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#print(self_post)
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#li_comment = story('gqx')
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#print(li_comment)
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#broken = story('q4y')
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#print(broken)
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# make sure there's no self-reference
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#import copy
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#for x in [normal, no_comments, self_post, li_comment]:
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# _ = copy.deepcopy(x)
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