427 lines
18 KiB
Python
427 lines
18 KiB
Python
"""
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Twitter - access to Twitter through bot commands
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Copyright (C) 2010 Brian S. Stephan
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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import re
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import thread
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import time
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import urlparse
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import MySQLdb as mdb
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import twython
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from Module import Module
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class Twitter(Module):
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"""Access Twitter via the bot as an authenticated client."""
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def __init__(self, irc, config):
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"""Prepare for oauth stuff (but don't execute it yet)."""
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Module.__init__(self, irc, config)
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# setup regexes
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getstatuspattern = "^!twitter\s+getstatus(\s+nosource)?(\s+noid)?\s+(\S+)$"
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getuserstatuspattern = "^!twitter\s+getuserstatus(\s+nosource)?(\s+noid)?\s+(\S+)(\s+.*|$)"
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tweetpattern = "^!twitter\s+tweet\s+(.*)"
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gettokenpattern = "^!twitter\s+gettoken$"
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authpattern = "^!twitter\s+auth\s+(\S+)$"
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replytopattern = "^!twitter\s+replyto\s+(\S+)\s+(.*)"
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self.getstatusre = re.compile(getstatuspattern)
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self.getuserstatusre = re.compile(getuserstatuspattern)
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self.tweetre = re.compile(tweetpattern)
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self.gettokenre = re.compile(gettokenpattern)
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self.authre = re.compile(authpattern)
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self.replytore = re.compile(replytopattern)
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# prep twitter
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self.consumer_key = 'N2aSGxBP8t3cCgWyF1B2Aw'
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self.consumer_secret = '0aQPEV4K3MMpicfi2lDtCP5pvjsKaqIpfuWtsPzx8'
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# settings
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# force timeline check to wait 5 minutes (for channel joins and antispam)
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self.next_timeline_check = time.time() + 300
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self.authed = False
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# try getting the stored auth tokens and logging in
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(oauth_token, oauth_token_secret) = self._retrieve_stored_auth_tokens()
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if oauth_token is not None and oauth_token_secret is not None:
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self.twit = twython.Twython(self.consumer_key, self.consumer_secret, oauth_token, oauth_token_secret)
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if self.twit.verify_credentials():
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self.authed = True
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# print timeline stuff. this will set up the appropriate timer
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self._check_self_timeline()
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self.log.debug("Logged in to Twitter with saved token.")
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else:
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self.twit = twython.Twython(self.consumer_key, self.consumer_secret)
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else:
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self.twit = twython.Twython(self.consumer_key, self.consumer_secret)
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thread.start_new_thread(self.thread_do, ())
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def db_init(self):
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"""Set up the settings table."""
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# init the table if it doesn't exist
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version = self.db_module_registered(self.__class__.__name__)
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if version == None or version < 1:
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db = self.get_db()
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# create tables
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try:
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version = 1
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cur = db.cursor(mdb.cursors.DictCursor)
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cur.execute("""
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CREATE TABLE twitter_settings (
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since_id BIGINT(20) UNSIGNED NOT NULL,
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output_channel VARCHAR(64) NOT NULL,
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oauth_token VARCHAR(256) DEFAULT NULL,
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oauth_token_secret VARCHAR(256) DEFAULT NULL
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) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin
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""")
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cur.execute("""INSERT INTO twitter_settings (since_id, output_channel) VALUES (0, '#dr.botzo')""")
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db.commit()
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self.db_register_module_version(self.__class__.__name__, version)
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except mdb.Error as e:
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db.rollback()
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self.log.error("database error trying to create tables")
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self.log.exception(e)
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raise
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finally: cur.close()
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def do(self, connection, event, nick, userhost, what, admin_unlocked):
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"""Attempt to do twitter things."""
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if self.getstatusre.search(what):
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return self.irc.reply(event, self.twitter_getstatus(event, nick,
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userhost, what, admin_unlocked))
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elif self.getuserstatusre.search(what):
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return self.irc.reply(event, self.twitter_getuserstatus(event, nick,
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userhost, what, admin_unlocked))
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elif self.tweetre.search(what):
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return self.irc.reply(event, self.twitter_tweet(event, nick,
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userhost, what, admin_unlocked))
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elif self.replytore.search(what):
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return self.irc.reply(event, self.twitter_replyto(event, nick,
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userhost, what, admin_unlocked))
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elif self.gettokenre.search(what):
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return self.irc.reply(event, self.twitter_gettoken(event, nick,
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userhost, what, admin_unlocked))
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elif self.authre.search(what):
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return self.irc.reply(event, self.twitter_auth(event, nick,
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userhost, what, admin_unlocked))
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def twitter_getstatus(self, event, nick, userhost, what, admin_unlocked):
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"""Get a status by tweet ID."""
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match = self.getstatusre.search(what)
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if match:
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print_source = True
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print_id = True
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if match.group(1):
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print_source = False
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if match.group(2):
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print_id = False
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status = match.group(3)
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try:
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tweet = self.twit.show_status(id=status)
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return self._return_tweet_or_retweet_text(tweet=tweet, print_source=print_source, print_id=print_id)
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except twython.exceptions.TwythonError as e:
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return "Couldn't obtain status: " + str(e)
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def twitter_getuserstatus(self, event, nick, userhost, what, admin_unlocked):
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"""Get a status for a user. Allows for getting one other than the most recent."""
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match = self.getuserstatusre.search(what)
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if match:
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print_source = True
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print_id = True
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if match.group(1):
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print_source = False
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if match.group(2):
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print_id = False
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user = match.group(3)
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index = match.group(4)
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try:
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if index:
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index = int(index)
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if index > 0:
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index = 0
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else:
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index = 0
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except ValueError as e:
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self.log.error("Couldn't convert index: " + str(e))
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index = 0
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count = (-1*index) + 1
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try:
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tweets = self.twit.get_user_timeline(screen_name=user, count=count, include_rts=True)
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if tweets:
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tweet = tweets[-1*index]
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return self._return_tweet_or_retweet_text(tweet=tweet, print_source=print_source, print_id=print_id)
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except twython.exceptions.TwythonError as e:
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return "Couldn't obtain status: " + str(e)
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except ValueError as e:
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return "Couldn't obtain status: " + str(e)
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def twitter_tweet(self, event, nick, userhost, what, admin_unlocked):
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"""Tweet. Needs authentication."""
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match = self.tweetre.search(what)
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if match:
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tweet = match.group(1)
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if not self.twit.verify_credentials():
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return "You must be authenticated to tweet."
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if admin_unlocked is False:
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return "Only admins can tweet."
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try:
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if self.twit.update_status(status=tweet, display_coordinates=False) is not None:
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return "'{0:s}' tweeted.".format(tweet)
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else:
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return "Unknown error sending tweet(s)."
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except twython.exceptions.TwythonError as e:
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return "Couldn't tweet: " + str(e)
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def twitter_replyto(self, event, nick, userhost, what, admin_unlocked):
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"""Reply to a tweet, in the twitter in_reply_to_status_id sense. Needs authentication."""
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match = self.replytore.search(what)
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if match:
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status_id = match.group(1)
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tweet = match.group(2)
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if not self.twit.verify_credentials():
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return "You must be authenticated to tweet."
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if admin_unlocked is False:
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return "Only admins can tweet."
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replyee_tweet = self.twit.show_status(id=status_id)
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target = replyee_tweet['user']['screen_name'].encode('utf-8', 'ignore')
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try:
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reptweet = "@{0:s}: {1:s}".format(target, tweet)
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if self.twit.update_status(status=reptweet, display_coordinates=False, in_reply_to_status_id=status_id) is not None:
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return "'{0:s}' tweeted.".format(tweet)
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else:
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return "Unknown error sending tweet."
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except twython.exceptions.TwythonError as e:
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return "Couldn't tweet: " + str(e)
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def twitter_gettoken(self, event, nick, userhost, what, admin_unlocked):
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"""Get an oauth token, so that the user may authenticate the bot."""
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match = self.gettokenre.search(what)
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if match:
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if self.twit.verify_credentials():
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self.authed = False
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self.twit = twython.Twython(self.consumer_key, self.consumer_secret)
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auth = self.twit.get_authentication_tokens()
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self.temp_token = auth['oauth_token']
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self.temp_token_secret = auth['oauth_token_secret']
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return ("Go to the following link in your browser: {0:s} "
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"and send me the pin.".format(auth['auth_url']))
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def twitter_auth(self, event, nick, userhost, what, admin_unlocked):
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"""Authenticate, given a PIN (following gettoken)."""
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match = self.authre.search(what)
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if match:
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oauth_verifier = match.group(1)
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self.twit = twython.Twython(self.consumer_key, self.consumer_secret,
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self.temp_token, self.temp_token_secret)
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final_step = self.twit.get_authorized_tokens(oauth_verifier)
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self.twit = twython.Twython(self.consumer_key, self.consumer_secret,
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final_step['oauth_token'], final_step['oauth_token_secret'])
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self._persist_auth_tokens(final_step['oauth_token'], final_step['oauth_token_secret'])
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if self.twit.verify_credentials():
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self.authed = True
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# print timeline stuff. this will set up the appropriate timer
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self._check_self_timeline()
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return "The bot is now logged in."
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else:
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self.twit = twython.Twython(self.consumer_key, self.consumer_secret)
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def thread_do(self):
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"""Check the timeline."""
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while not self.is_shutdown:
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self._check_self_timeline()
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time.sleep(1)
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def _check_self_timeline(self):
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"""Check my timeline, and if there are entries, print them to the channel."""
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if self.next_timeline_check < time.time():
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self.next_timeline_check = time.time() + 300
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if self.twit.verify_credentials():
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# get the id of the last check we made
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since_id = self._get_last_since_id()
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output_channel = self._get_output_channel()
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if since_id is not None and output_channel != '':
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tweets = self.twit.get_home_timeline(since_id=since_id)
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tweets.reverse()
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for tweet in tweets:
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tweet_text = self._return_tweet_or_retweet_text(tweet=tweet, print_source=True)
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self.sendmsg(output_channel.encode('utf-8', 'ignore'), tweet_text)
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# friends timeline printed, find the latest id
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new_since_id = self._get_latest_tweet_id(tweets, since_id)
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tweets = self.twit.get_mentions_timeline(since_id=since_id)
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tweets.reverse()
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for tweet in tweets:
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tweet_text = self._return_tweet_or_retweet_text(tweet=tweet, print_source=True)
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self.sendmsg(output_channel.encode('utf-8', 'ignore'), tweet_text)
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# mentions printed, find the latest id
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new_since_id = self._get_latest_tweet_id(tweets, new_since_id)
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# set since_id
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self._set_last_since_id(new_since_id)
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def _return_tweet_or_retweet_text(self, tweet, print_source=False, print_id=True):
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"""
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Return a string of the author and text body of a status,
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accounting for whether or not the fetched status is a
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retweet.
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"""
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reply = ""
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retweet = getattr(tweet, 'retweeted_status', None)
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if retweet:
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if print_source:
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reply = "@%s (RT @%s): %s" % (tweet['user']['screen_name'].encode('utf-8', 'ignore'),
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retweet['user']['screen_name'].encode('utf-8', 'ignore'),
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super(Twitter, self)._unencode_xml(retweet['text'].encode('utf-8', 'ignore')))
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else:
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reply = "(RT @%s): %s" % (retweet['user']['screen_name'].encode('utf-8', 'ignore'),
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super(Twitter, self)._unencode_xml(retweet['text'].encode('utf-8', 'ignore')))
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else:
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if print_source:
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reply = "@%s: %s" % (tweet['user']['screen_name'].encode('utf-8', 'ignore'),
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super(Twitter, self)._unencode_xml(tweet['text'].encode('utf-8', 'ignore')))
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else:
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reply = "%s" % (super(Twitter, self)._unencode_xml(tweet['text'].encode('utf-8', 'ignore')))
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if print_id:
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reply = reply + " [{0:d}]".format(tweet['id'])
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return reply
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def _get_last_since_id(self):
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"""Get the since_id out of the database."""
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db = self.get_db()
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try:
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cur = db.cursor(mdb.cursors.DictCursor)
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query = "SELECT since_id FROM twitter_settings"
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cur.execute(query)
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result = cur.fetchone()
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if result:
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return result['since_id']
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except mdb.Error as e:
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self.log.error("database error getting last since ID")
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self.log.exception(e)
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raise
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finally: cur.close()
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def _get_output_channel(self):
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"""Get the output_channel out of the database."""
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db = self.get_db()
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try:
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cur = db.cursor(mdb.cursors.DictCursor)
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query = "SELECT output_channel FROM twitter_settings"
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cur.execute(query)
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result = cur.fetchone()
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if result:
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return result['output_channel']
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except mdb.Error as e:
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self.log.error("database error getting output channel")
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self.log.exception(e)
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raise
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finally: cur.close()
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def _set_last_since_id(self, since_id):
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"""Set the since_id."""
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db = self.get_db()
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try:
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cur = db.cursor(mdb.cursors.DictCursor)
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statement = "UPDATE twitter_settings SET since_id = %s"
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cur.execute(statement, (since_id,))
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db.commit()
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except mdb.Error as e:
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self.log.error("database error saving last since ID")
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self.log.exception(e)
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raise
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finally: cur.close()
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def _get_latest_tweet_id(self, tweets, since_id):
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"""Find the latest tweet id in the provided list, or the given since_id."""
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latest = since_id
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for tweet in tweets:
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if tweet['id'] > latest:
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latest = tweet['id']
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return latest
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def _persist_auth_tokens(self, oauth_token, oauth_token_secret):
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"""Save the auth tokens to the database, with the intent of reusing them."""
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db = self.get_db()
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try:
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cur = db.cursor(mdb.cursors.DictCursor)
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statement = "UPDATE twitter_settings SET oauth_token = %s, oauth_token_secret = %s"
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cur.execute(statement, (oauth_token, oauth_token_secret))
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db.commit()
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except mdb.Error as e:
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self.log.error("database error saving auth tokens")
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self.log.exception(e)
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raise
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finally: cur.close()
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def _retrieve_stored_auth_tokens(self):
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"""Check the database for existing auth tokens, try reusing them."""
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db = self.get_db()
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try:
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cur = db.cursor(mdb.cursors.DictCursor)
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query = "SELECT oauth_token, oauth_token_secret FROM twitter_settings"
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cur.execute(query)
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result = cur.fetchone()
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if result:
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return (result['oauth_token'], result['oauth_token_secret'])
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except mdb.Error as e:
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self.log.error("database error retrieving auth tokens")
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self.log.exception(e)
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raise
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finally: cur.close()
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# vi:tabstop=4:expandtab:autoindent
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# kate: indent-mode python;indent-width 4;replace-tabs on;
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