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worker.py
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worker.py
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#!/usr/bin/python
import twitter
import utils
import logging
import traceback
import config
from StringIO import StringIO
from db import Db, GoogleUser, TwitterUser, IdList, MODE_HOME, MODE_LIST, MODE_MENTION, MODE_DM
from mylocale import gettext
from time import time
from google.appengine.ext import webapp
from google.appengine.api import xmpp
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.ext import db
class worker_handler(webapp.RequestHandler):
def get(self):
return
def post(self):
if db.WRITE_CAPABILITY:
jids = self.request.get_all('jid')
for jid in jids:
try:
google_user = GoogleUser.get_by_jid(jid)
except db.Error:
continue
_ = lambda x: gettext(x, locale=google_user.locale)
try:
twitter_user = TwitterUser.get_by_twitter_name(google_user.enabled_user, google_user.jid)
except db.Error:
continue
if twitter_user is None:
google_user.enabled_user = ''
Db.set_datastore(google_user)
continue
api = twitter.Api(consumer_key=config.OAUTH_CONSUMER_KEY,
consumer_secret=config.OAUTH_CONSUMER_SECRET,
access_token_key=twitter_user.access_token_key,
access_token_secret=twitter_user.access_token_secret)
try:
self._user = api.verify_credentials()
if 'screen_name' not in self._user:
raise twitter.TwitterError
except twitter.TwitterError:
google_user.retry += 1
if google_user.retry >= config.MAX_RETRY:
GoogleUser.disable(jid=google_user.jid)
xmpp.send_message(google_user.jid, _('NO_AUTHENTICATION'))
else:
Db.set_cache(google_user)
return
finally:
if google_user.retry > 0:
google_user.retry = 0
Db.set_cache(google_user)
if twitter_user.twitter_name != self._user['screen_name']:
twitter_user.twitter_name = self._user['screen_name']
Db.set_cache(twitter_user)
google_user.enabled_user = self._user['screen_name']
Db.set_cache(google_user)
utils.set_jid(google_user.jid)
home_statuses = []
home_mention_statuses = []
all_statuses = []
if google_user.display_timeline & MODE_HOME:
home_rpc = api.get_home_timeline(since_id=google_user.last_msg_id, async=True)
else:
home_rpc = api.get_home_timeline(since_id=google_user.last_mention_id, async=True)
if google_user.display_timeline & MODE_LIST:
list_rpc = api.get_list_statuses(user=google_user.list_user, id=google_user.list_id,
since_id=google_user.last_list_id, async=True)
else:
list_rpc = None
if google_user.display_timeline & MODE_MENTION:
mention_rpc = api.get_mentions(since_id=google_user.last_mention_id, async=True)
else:
mention_rpc = None
if google_user.display_timeline & MODE_DM:
dm_rpc = api.get_direct_messages(since_id=google_user.last_dm_id, async=True)
else:
dm_rpc = None
if google_user.display_timeline & MODE_HOME:
try:
home_statuses = api._process_result(home_rpc)
if home_statuses:
all_statuses.extend(home_statuses)
if home_statuses[0]['id'] > google_user.last_msg_id:
google_user.last_msg_id = home_statuses[0]['id']
except twitter.TwitterInternalServerError:
pass
except BaseException:
err = StringIO('')
traceback.print_exc(file=err)
logging.error(google_user.jid + ' Home:\n' + err.getvalue())
if google_user.display_timeline & MODE_LIST:
try:
statuses = api._process_result(list_rpc)
if statuses:
all_statuses.extend(statuses)
if statuses[0]['id'] > google_user.last_list_id:
google_user.last_list_id = statuses[0]['id']
except twitter.TwitterInternalServerError:
pass
except BaseException, e:
if 'Not found' not in e.message:
err = StringIO('')
traceback.print_exc(file=err)
logging.error(google_user.jid + ' List:\n' + err.getvalue())
if google_user.display_timeline & MODE_MENTION:
try:
statuses = api._process_result(mention_rpc)
all_statuses.extend(statuses)
if not google_user.display_timeline & MODE_HOME:
try:
home_statuses = api._process_result(home_rpc)
except twitter.TwitterInternalServerError:
pass
except BaseException:
err = StringIO('')
traceback.print_exc(file=err)
logging.error(google_user.jid + ' Home:\n' + err.getvalue())
if home_statuses:
if home_statuses[0]['id'] > google_user.last_mention_id:
google_user.last_mention_id = home_statuses[0]['id']
at_username = '@' + google_user.enabled_user
home_mention_statuses = [x for x in home_statuses if at_username in x['text']]
if home_mention_statuses:
all_statuses.extend(home_mention_statuses)
if home_statuses and home_statuses[0]['id'] > google_user.last_mention_id:
google_user.last_mention_id = home_statuses[0]['id']
if statuses and statuses[0]['id'] > google_user.last_mention_id:
google_user.last_mention_id = statuses[0]['id']
except twitter.TwitterInternalServerError:
pass
except BaseException:
err = StringIO('')
traceback.print_exc(file=err)
logging.error(google_user.jid + ' Mention:\n' + err.getvalue())
if all_statuses:
all_statuses.sort(cmp=lambda x, y: cmp(x['id'], y['id']))
last = all_statuses[-1]['id']
for i in range(len(all_statuses) - 2, -1, -1):
if last == all_statuses[i]['id']:
del all_statuses[i]
else:
last = all_statuses[i]['id']
content = utils.parse_statuses(all_statuses, filter_self=True, reverse=False)
if content.strip():
IdList.flush(google_user.jid)
xmpp.send_message(google_user.jid, content)
if google_user.display_timeline & MODE_DM:
try:
statuses = api._process_result(dm_rpc)
content = utils.parse_statuses(statuses)
if content.strip():
IdList.flush(google_user.jid)
xmpp.send_message(google_user.jid, _('DIRECT_MESSAGES') + '\n\n' + content)
if statuses[-1]['id'] > google_user.last_dm_id:
google_user.last_dm_id = statuses[-1]['id']
except twitter.TwitterInternalServerError:
pass
except BaseException:
err = StringIO('')
traceback.print_exc(file=err)
logging.error(google_user.jid + ' DM:\n' + err.getvalue())
google_user.last_update = int(time())
Db.set_datastore(google_user)
def main():
application = webapp.WSGIApplication([('/worker', worker_handler)])
run_wsgi_app(application)
if __name__ == "__main__":
main()