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 utils import clean API_HOTTEST = lambda x: 'https://lobste.rs/hottest.json' API_ITEM = lambda x : 'https://lobste.rs/s/{}.json'.format(x) SITE_LINK = lambda x : 'https://lobste.rs/s/{}'.format(x) SITE_AUTHOR_LINK = lambda x : 'https://lobste.rs/u/{}'.format(x) def api(route, ref=None): try: r = requests.get(route(ref), timeout=5) if r.status_code != 200: raise Exception('Bad response code ' + str(r.status_code)) return r.json() except KeyboardInterrupt: raise except BaseException as e: logging.error('Problem hitting lobsters API: {}, trying again'.format(str(e))) try: r = requests.get(route(ref), timeout=15) if r.status_code != 200: raise Exception('Bad response code ' + str(r.status_code)) return r.json() except KeyboardInterrupt: raise except BaseException as e: logging.error('Problem hitting lobsters API: {}'.format(str(e))) return False def feed(): return [x['short_id'] for x in api(API_HOTTEST) or []] def unix(date_str): date_str = date_str.replace(':', '') return int(datetime.strptime(date_str, '%Y-%m-%dT%H%M%S.%f%z').timestamp()) def make_comment(i): c = {} try: c['author'] = i['commenting_user']['username'] except KeyError: c['author'] = '' c['score'] = i.get('score', 0) try: c['date'] = unix(i['created_at']) except KeyError: c['date'] = 0 c['text'] = clean(i.get('comment', '') or '') c['comments'] = [] return c def iter_comments(flat_comments): nested_comments = [] parent_stack = [] for comment in flat_comments: c = make_comment(comment) indent = comment['depth'] if indent == 0: nested_comments.append(c) parent_stack = [c] else: parent_stack = parent_stack[:indent] p = parent_stack[-1] p['comments'].append(c) parent_stack.append(c) return nested_comments def story(ref): r = api(API_ITEM, ref) if not r: logging.info('Bad Lobsters API response.') return False s = {} try: s['author'] = r['submitter_user'] s['author_link'] = SITE_AUTHOR_LINK(s['author']) except KeyError: s['author'] = '' s['author_link'] = '' s['score'] = r.get('score', 0) try: s['date'] = unix(r['created_at']) except KeyError: s['date'] = 0 s['title'] = r.get('title', '') s['link'] = SITE_LINK(ref) s['url'] = r.get('url', '') s['comments'] = iter_comments(r['comments']) s['num_comments'] = r['comment_count'] if s['score'] < 15 and s['num_comments'] < 10: logging.info('Score ({}) or num comments ({}) below threshold.'.format(s['score'], s['num_comments'])) return False if 'description' in r and r['description']: s['text'] = clean(r['description'] or '') return s # scratchpad so I can quickly develop the parser if __name__ == '__main__': #print(feed()) import json print(json.dumps(story('fzvd1v'), indent=4)) #print(json.dumps(story('ixyv5u'), indent=4))