forget-cancellare-vecchi-toot/libforget/twitter.py

226 lines
7.0 KiB
Python

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 libforget.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)