forked from rDrama/rDrama
122 lines
4.2 KiB
Python
122 lines
4.2 KiB
Python
import time
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import itertools
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import requests
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from flask_caching import Cache
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from flask import g
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from sqlalchemy import or_
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import files.helpers.config.const as const
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from files.classes.badges import Badge
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from files.classes.comment import Comment
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from files.classes.user import User
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from files.helpers.sanitize import *
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from files.helpers.alerts import push_notif
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from files.classes.notifications import Notification
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# Note: while https://api.pushshift.io/meta provides the key
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# server_ratelimit_per_minute, in practice Cloudflare puts stricter,
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# unofficially documented limits at around 60/minute. We get nowhere near this
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# with current keyword quantities. If this ever changes, consider reading the
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# value from /meta (or just guessing) and doing a random selection of keywords.
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def offsite_mentions_task(cache):
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site_mentions = get_mentions(cache, const.REDDIT_NOTIFS_SITE)
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notify_mentions(site_mentions)
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if const.REDDIT_NOTIFS_USERS:
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for query, send_user in const.REDDIT_NOTIFS_USERS.items():
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user_mentions = get_mentions(cache, [query], reddit_notifs_users=True)
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notify_mentions(user_mentions, send_to=send_user, mention_str='mention of you')
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g.db.commit() # commit early otherwise localhost testing fails to commit
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def get_mentions(cache, queries, reddit_notifs_users=False):
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kinds = ['post', 'comment']
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mentions = []
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exclude_subreddits = ['PokemonGoRaids', 'SubSimulatorGPT2', 'SubSimGPT2Interactive']
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try:
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after = int(cache.get(const.REDDIT_NOTIFS_CACHE_KEY) or time.time())
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except:
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print("Failed to retrieve last mention time from cache", flush=True)
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after = time.time()
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size = 1 if reddit_notifs_users else 100
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for kind in kinds:
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try:
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url = (
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f'https://api.pushshift.io/reddit/{kind}/search?html_decode=true'
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f'&q={"%7C".join(queries)}'
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# f'&subreddit=!{",!".join(exclude_subreddits)}'
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f'&after={after}'
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f'&size={size}')
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data = requests.get(url, timeout=15).json()['data']
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except Exception as e:
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continue
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for thing in data:
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if thing['subreddit'] in exclude_subreddits: continue
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if 'bot' in thing['author'].lower(): continue
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if 'AutoModerator' == thing['author']: continue
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after = max(after, thing["created_utc"]) if thing["created_utc"] else after
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if kind == 'comment':
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body = thing["body"].replace('>', '> ')
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text = f'<blockquote><p>{body}</p></blockquote>'
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else:
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title = thing["title"].replace('>', '> ')
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# Special case: a spambot says 'WPD' a lot unrelated to us.
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if 'Kathrine Mclaurin' in title: continue
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text = f'<blockquote><p>{title}</p></blockquote>'
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if thing["selftext"]:
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selftext = thing["selftext"].replace('>', '> ')[:5000]
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text += f'<br><blockquote><p>{selftext}</p></blockquote>'
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mentions.append({
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'permalink': thing['permalink'],
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'author': thing['author'],
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'text': text,
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})
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try:
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if not reddit_notifs_users:
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cache.set(const.REDDIT_NOTIFS_CACHE_KEY, after + 1)
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except:
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print("Failed to set cache value; there may be duplication of reddit notifications", flush=True)
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return mentions
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def notify_mentions(mentions, send_to=None, mention_str='site mention'):
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for m in mentions:
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author = m['author']
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permalink = m['permalink']
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text = sanitize(m['text'], blackjack="reddit mention", golden=False)
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notif_text = (
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f'<p>New {mention_str} by <a href="https://old.reddit.com/u/{author}" '
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f'rel="nofollow noopener" target="_blank">/u/{author}</a></p>'
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f'<p><a href="https://old.reddit.com{permalink}?context=89" '
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'rel="nofollow noopener" target="_blank">'
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f'https://old.reddit.com{permalink}?context=89</a></p>'
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f'{text}'
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)
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existing_comment = g.db.query(Comment.id).filter_by(
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author_id=const.AUTOJANNY_ID,
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parent_post=None,
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body_html=notif_text).one_or_none()
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if existing_comment: break
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new_comment = Comment(
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author_id=const.AUTOJANNY_ID,
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parent_post=None,
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body_html=notif_text,
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distinguish_level=6)
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g.db.add(new_comment)
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g.db.flush()
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new_comment.top_comment_id = new_comment.id
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if send_to:
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notif = Notification(comment_id=new_comment.id, user_id=send_to)
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g.db.add(notif)
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push_notif({send_to}, f'New mention of you on reddit by /u/{author}', '', f'{SITE_FULL}/notification/{new_comment.id}')
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