from twitter import Twitter, OAuth, TwitterHTTPError, TwitterError from werkzeug.urls import url_decode from model import OAuthToken, Account, Post, TwitterArchive from app import db, app, sentry from math import inf from datetime import datetime import locale from zipfile import ZipFile from io import BytesIO from lib.exceptions import PermanentError, TemporaryError from urllib.error import URLError def get_login_url(callback='oob', consumer_key=None, consumer_secret=None): twitter = Twitter( auth=OAuth('', '', consumer_key, consumer_secret), format='', api_version=None) resp = url_decode(twitter.oauth.request_token(oauth_callback=callback)) oauth_token = resp['oauth_token'] oauth_token_secret = resp['oauth_token_secret'] token = OAuthToken(token=oauth_token, token_secret=oauth_token_secret) db.session.merge(token) db.session.commit() return ( "https://api.twitter.com/oauth/authenticate?oauth_token=%s" % (oauth_token,)) def account_from_api_user_object(obj): return Account( twitter_id=obj['id_str'], display_name=obj['name'], screen_name=obj['screen_name'], avatar_url=obj['profile_image_url_https'], reported_post_count=obj['statuses_count']) def receive_verifier(oauth_token, oauth_verifier, consumer_key=None, consumer_secret=None): temp_token = OAuthToken.query.get(oauth_token) if not temp_token: raise Exception("OAuth token has expired") twitter = Twitter( auth=OAuth(temp_token.token, temp_token.token_secret, consumer_key, consumer_secret), format='', api_version=None) resp = url_decode( twitter.oauth.access_token(oauth_verifier=oauth_verifier)) db.session.delete(temp_token) new_token = OAuthToken(token=resp['oauth_token'], token_secret=resp['oauth_token_secret']) new_token = db.session.merge(new_token) new_twitter = Twitter( auth=OAuth(new_token.token, new_token.token_secret, consumer_key, consumer_secret)) remote_acct = new_twitter.account.verify_credentials() acct = account_from_api_user_object(remote_acct) acct = db.session.merge(acct) new_token.account = acct db.session.commit() return new_token def get_twitter_for_acc(account): consumer_key = app.config['TWITTER_CONSUMER_KEY'] consumer_secret = app.config['TWITTER_CONSUMER_SECRET'] tokens = (OAuthToken.query.with_parent(account) .order_by(db.desc(OAuthToken.created_at)).all()) for token in tokens: t = Twitter( auth=OAuth(token.token, token.token_secret, consumer_key, consumer_secret)) try: t.account.verify_credentials() return t except TwitterHTTPError as e: if e.e.code == 401: # token revoked if sentry: sentry.captureMessage( 'Twitter auth revoked', extra=locals()) db.session.delete(token) db.session.commit() else: raise TemporaryError(e) except URLError as e: raise TemporaryError(e) return None locale.setlocale(locale.LC_TIME, 'C') def post_from_api_tweet_object(tweet, post=None): if not post: post = Post() post.twitter_id = tweet['id_str'] try: post.created_at = datetime.strptime( tweet['created_at'], '%a %b %d %H:%M:%S %z %Y') except ValueError: post.created_at = datetime.strptime( tweet['created_at'], '%Y-%m-%d %H:%M:%S %z') # whyyy post.author_id = 'twitter:{}'.format(tweet['user']['id_str']) if 'favorited' in tweet: post.favourite = tweet['favorited'] if 'entities' in tweet: post.has_media = bool( 'media' in tweet['entities'] and tweet['entities']['media']) return post def fetch_acc(account, cursor): t = get_twitter_for_acc(account) if not t: print("no twitter access, aborting") return try: user = t.account.verify_credentials() db.session.merge(account_from_api_user_object(user)) kwargs = { 'user_id': account.twitter_id, 'count': 200, 'trim_user': True, 'tweet_mode': 'extended', } if cursor: kwargs.update(cursor) if 'max_id' not in kwargs: most_recent_post = ( Post.query.order_by(db.desc(Post.created_at)) .filter(Post.author_id == account.id).first()) if most_recent_post: kwargs['since_id'] = most_recent_post.twitter_id tweets = t.statuses.user_timeline(**kwargs) except (TwitterError, URLError) as e: handle_error(e) print("processing {} tweets for {acc}".format(len(tweets), acc=account)) if len(tweets) > 0: kwargs['max_id'] = +inf for tweet in tweets: db.session.merge(post_from_api_tweet_object(tweet)) kwargs['max_id'] = min(tweet['id'] - 1, kwargs['max_id']) else: kwargs = None db.session.commit() return kwargs def refresh_posts(posts): if not posts: return posts t = get_twitter_for_acc(posts[0].author) if not t: return try: tweets = t.statuses.lookup( _id=",".join((post.twitter_id for post in posts)), trim_user=True, tweet_mode='extended') except (URLError, TwitterError) as e: handle_error(e) refreshed_posts = list() for post in posts: tweet = next( (tweet for tweet in tweets if tweet['id_str'] == post.twitter_id), None) if not tweet: db.session.delete(post) else: post = db.session.merge(post_from_api_tweet_object(tweet)) refreshed_posts.append(post) return refreshed_posts def delete(post): t = get_twitter_for_acc(post.author) t.statuses.destroy(id=post.twitter_id) db.session.delete(post) def chunk_twitter_archive(archive_id): ta = TwitterArchive.query.get(archive_id) with ZipFile(BytesIO(ta.body), 'r') as zipfile: files = [filename for filename in zipfile.namelist() if filename.startswith('data/js/tweets/') and filename.endswith('.js')] files.sort() return files def handle_error(e): if isinstance(e, TwitterHTTPError): data = e.response_data if isinstance(data, dict) and 'errors' in data.keys(): for error in data['errors']: if error.get('code',0) == 326: # account locked lol rip # although this is a temporary error in twitter terms # it's best not to waste api calls on locked accounts raise PermanentError(e) raise TemporaryError(e)