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"""
Twitter - access to Twitter through bot commands
Copyright ( C ) 2010 Brian S . Stephan
This program is free software : you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation , either version 3 of the License , or
( at your option ) any later version .
This program is distributed in the hope that it will be useful ,
but WITHOUT ANY WARRANTY ; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
GNU General Public License for more details .
You should have received a copy of the GNU General Public License
along with this program . If not , see < http : / / www . gnu . org / licenses / > .
"""
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from ConfigParser import NoSectionError , NoOptionError
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import oauth2 as oauth
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import re
import sqlite3
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import thread
import time
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import urlparse
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from extlib import irclib
from extlib import twitter
from Module import Module
class Twitter ( Module ) :
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""" Access Twitter via the bot as an authenticated client. """
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migrate some code that became pivotal to the bot into DrBotIRC.
this is a big change. DrBotIrc is now in charge of module loading
and unloading, aliases, and recursion. the Alias module is no more,
and a bunch of functionality was moved out of IrcAdmin, including
also config file saving, the sigint handler, and quitting the bot.
additionally, a lot of stuff got caught in the wake. dr.botzo.py
is simpler now, and lets DrBotIRC do the dynamic loading stuff.
Module.__init__ changed, modules no longer get modlist and instead
get a reference to the DrBotIRC object. IrcAdmin still has the same
exposed methods, but now calls out to DrBotIRC to achieve some of
them.
naturally, a recursion/alias rewrite was included with this change.
it is clearer now (i think), but probably brittle somewhere.
additionally, currently any module that has registered a pubmsg
handler can potentially fire more than once on one input (without
recursion). this may be the next thing to fix. do() may need to
be split, or maybe it's time to stop having modules deal with
pubmsg/privmsg entirely. need to decide.
WEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
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def __init__ ( self , irc , config , server ) :
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""" Prepare for oauth stuff (but don ' t execute it yet). """
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Module . __init__ ( self , irc , config , server )
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# setup regexes
getstatuspattern = ' ^!twitter \ s+getstatus \ s+( \ S+)$ '
getuserstatuspattern = ' ^!twitter \ s+getuserstatus \ s+( \ S+)( \ s+.*|$) '
tweetpattern = ' ^!twitter \ s+tweet \ s+(.*) '
gettokenpattern = ' ^!twitter \ s+gettoken$ '
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 )
self . getuserstatusre = re . compile ( getuserstatuspattern )
self . tweetre = re . compile ( tweetpattern )
self . gettokenre = re . compile ( gettokenpattern )
self . authre = re . compile ( authpattern )
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self . replytore = re . compile ( replytopattern )
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# prep oauth magic
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self . consumer_key = ' N2aSGxBP8t3cCgWyF1B2Aw '
self . consumer_secret = ' 0aQPEV4K3MMpicfi2lDtCP5pvjsKaqIpfuWtsPzx8 '
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self . request_token_url = ' https://api.twitter.com/oauth/request_token '
self . access_token_url = ' https://api.twitter.com/oauth/access_token '
self . authorize_url = ' https://api.twitter.com/oauth/authorize '
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self . consumer = oauth . Consumer ( self . consumer_key , self . consumer_secret )
self . client = oauth . Client ( self . consumer )
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# create a default twitter API account, in case we never auth
self . twit = twitter . Api ( )
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self . authed = False
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self . next_timeline_check = 0
thread . start_new_thread ( self . thread_do , ( ) )
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def db_init ( self ) :
""" Set up the settings table. """
# init the table if it doesn't exist
version = self . db_module_registered ( self . __class__ . __name__ )
if version == None :
# create tables
db = self . get_db ( )
try :
db . execute ( '''
CREATE TABLE twitter_settings (
since_id INTEGER NOT NULL ,
output_channel TEXT NOT NULL
) ''' )
db . execute ( ''' INSERT INTO twitter_settings (since_id, output_channel) VALUES (0, ' #drbotzo ' ) ''' )
db . execute ( ' INSERT INTO drbotzo_modules VALUES (?,?) ' , ( self . __class__ . __name__ , 1 ) )
db . commit ( )
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db . close ( )
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except sqlite3 . Error as e :
db . rollback ( )
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db . close ( )
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print ( " sqlite error: " + str ( e ) )
raise
def shutdown ( self ) :
""" Deauth, and make the twitter API item inoperable. """
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Module . shutdown ( self )
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self . twit . ClearCredentials ( )
self . authed = False
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def do ( self , connection , event , nick , userhost , what , admin_unlocked ) :
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""" Attempt to do twitter things. """
if self . getstatusre . search ( what ) :
rewrite recursion/alias code for the 500th time.
more of a moving of the code, actually, it now exists in (an overridden)
_handle_event, so that recursions happen against irc events directly,
rather than an already partially interpreted object.
with this change, modules don't need to implement do() nor do we have a
need for the internal_bus, which was doing an additional walk of the
modules after the irc event was already handled and turned into text. now
the core event handler does the recursion scans.
to support this, we bring back the old replypath trick and use it again,
so we know when to send a privmsg reply and when to return text so that
it may be chained in recursion. this feels old hat by now, but if you
haven't been following along, you should really look at the diff.
that's the meat of the change. the rest is updating modules to use
self.reply() and reimplementing (un)register_handlers where appropriate
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return self . reply ( connection , event , self . twitter_getstatus ( connection , event , nick , userhost , what , admin_unlocked ) )
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elif self . getuserstatusre . search ( what ) :
rewrite recursion/alias code for the 500th time.
more of a moving of the code, actually, it now exists in (an overridden)
_handle_event, so that recursions happen against irc events directly,
rather than an already partially interpreted object.
with this change, modules don't need to implement do() nor do we have a
need for the internal_bus, which was doing an additional walk of the
modules after the irc event was already handled and turned into text. now
the core event handler does the recursion scans.
to support this, we bring back the old replypath trick and use it again,
so we know when to send a privmsg reply and when to return text so that
it may be chained in recursion. this feels old hat by now, but if you
haven't been following along, you should really look at the diff.
that's the meat of the change. the rest is updating modules to use
self.reply() and reimplementing (un)register_handlers where appropriate
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return self . reply ( connection , event , self . twitter_getuserstatus ( connection , event , nick , userhost , what , admin_unlocked ) )
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elif self . tweetre . search ( what ) :
rewrite recursion/alias code for the 500th time.
more of a moving of the code, actually, it now exists in (an overridden)
_handle_event, so that recursions happen against irc events directly,
rather than an already partially interpreted object.
with this change, modules don't need to implement do() nor do we have a
need for the internal_bus, which was doing an additional walk of the
modules after the irc event was already handled and turned into text. now
the core event handler does the recursion scans.
to support this, we bring back the old replypath trick and use it again,
so we know when to send a privmsg reply and when to return text so that
it may be chained in recursion. this feels old hat by now, but if you
haven't been following along, you should really look at the diff.
that's the meat of the change. the rest is updating modules to use
self.reply() and reimplementing (un)register_handlers where appropriate
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return self . reply ( connection , event , self . twitter_tweet ( connection , event , nick , userhost , what , admin_unlocked ) )
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elif self . replytore . search ( what ) :
rewrite recursion/alias code for the 500th time.
more of a moving of the code, actually, it now exists in (an overridden)
_handle_event, so that recursions happen against irc events directly,
rather than an already partially interpreted object.
with this change, modules don't need to implement do() nor do we have a
need for the internal_bus, which was doing an additional walk of the
modules after the irc event was already handled and turned into text. now
the core event handler does the recursion scans.
to support this, we bring back the old replypath trick and use it again,
so we know when to send a privmsg reply and when to return text so that
it may be chained in recursion. this feels old hat by now, but if you
haven't been following along, you should really look at the diff.
that's the meat of the change. the rest is updating modules to use
self.reply() and reimplementing (un)register_handlers where appropriate
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return self . reply ( connection , event , self . twitter_replyto ( connection , event , nick , userhost , what , admin_unlocked ) )
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elif self . gettokenre . search ( what ) :
rewrite recursion/alias code for the 500th time.
more of a moving of the code, actually, it now exists in (an overridden)
_handle_event, so that recursions happen against irc events directly,
rather than an already partially interpreted object.
with this change, modules don't need to implement do() nor do we have a
need for the internal_bus, which was doing an additional walk of the
modules after the irc event was already handled and turned into text. now
the core event handler does the recursion scans.
to support this, we bring back the old replypath trick and use it again,
so we know when to send a privmsg reply and when to return text so that
it may be chained in recursion. this feels old hat by now, but if you
haven't been following along, you should really look at the diff.
that's the meat of the change. the rest is updating modules to use
self.reply() and reimplementing (un)register_handlers where appropriate
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return self . reply ( connection , event , self . twitter_gettoken ( connection , event , nick , userhost , what , admin_unlocked ) )
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elif self . authre . search ( what ) :
rewrite recursion/alias code for the 500th time.
more of a moving of the code, actually, it now exists in (an overridden)
_handle_event, so that recursions happen against irc events directly,
rather than an already partially interpreted object.
with this change, modules don't need to implement do() nor do we have a
need for the internal_bus, which was doing an additional walk of the
modules after the irc event was already handled and turned into text. now
the core event handler does the recursion scans.
to support this, we bring back the old replypath trick and use it again,
so we know when to send a privmsg reply and when to return text so that
it may be chained in recursion. this feels old hat by now, but if you
haven't been following along, you should really look at the diff.
that's the meat of the change. the rest is updating modules to use
self.reply() and reimplementing (un)register_handlers where appropriate
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return self . reply ( connection , event , self . twitter_auth ( connection , event , nick , userhost , what , admin_unlocked ) )
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def twitter_getstatus ( self , connection , event , nick , userhost , what , admin_unlocked ) :
""" Get a status by tweet ID. """
match = self . getstatusre . search ( what )
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if match :
status = match . group ( 1 )
try :
tweet = self . twit . GetStatus ( status )
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return self . _return_tweet_or_retweet_text ( tweet = tweet , print_source = True )
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except twitter . TwitterError as e :
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return ' Couldn \' t obtain status: ' + str ( e )
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def twitter_getuserstatus ( self , connection , event , nick , userhost , what , admin_unlocked ) :
""" Get a status for a user. Allows for getting one other than the most recent. """
match = self . getuserstatusre . search ( what )
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if match :
user = match . group ( 1 )
index = match . group ( 2 )
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try :
if index :
index = int ( index )
if index > 0 :
index = 0
else :
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index = 0
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except ValueError as e :
print ( ' Couldn \' t convert index: ' + str ( e ) )
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index = 0
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count = ( - 1 * index ) + 1
try :
tweets = self . twit . GetUserTimeline ( screen_name = user , count = count , include_rts = True )
if tweets :
tweet = tweets [ - 1 * index ]
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return self . _return_tweet_or_retweet_text ( tweet = tweet )
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except twitter . TwitterError as e :
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return ' Couldn \' t obtain status: ' + str ( e )
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except ValueError as e :
return ' Couldn \' t obtain status: ' + str ( e )
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def twitter_tweet ( self , connection , event , nick , userhost , what , admin_unlocked ) :
""" Tweet. Needs authentication. """
match = self . tweetre . search ( what )
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if match :
tweet = match . group ( 1 )
if self . authed is False :
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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 :
if self . twit . PostUpdates ( tweet , continuation = ' \xe2 \x80 \xa6 ' ) is not None :
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return ' Tweet(s) sent. '
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else :
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return ' Unknown error sending tweet(s). '
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except twitter . TwitterError as e :
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return ' Couldn \' t tweet: ' + str ( e )
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def twitter_replyto ( self , connection , event , nick , userhost , what , admin_unlocked ) :
""" Reply to a tweet, in the twitter in_reply_to_status_id sense. Needs authentication. """
match = self . replytore . search ( what )
if match :
status_id = match . group ( 1 )
tweet = match . group ( 2 )
if self . authed is False :
return ' You must be authenticated to tweet. '
if admin_unlocked is False :
return ' Only admins can tweet. '
replyee_tweet = self . twit . GetStatus ( status_id )
target = replyee_tweet . user . screen_name . encode ( ' utf-8 ' , ' ignore ' )
try :
if self . twit . PostUpdate ( ' @ ' + target + ' : ' + tweet , in_reply_to_status_id = status_id ) is not None :
return ' Tweet sent. '
else :
return ' Unknown error sending tweet. '
except twitter . TwitterError as e :
return ' Couldn \' t tweet: ' + str ( e )
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def twitter_gettoken ( self , connection , event , nick , userhost , what , admin_unlocked ) :
""" Get an oauth token, so that the user may authenticate the bot. """
match = self . gettokenre . search ( what )
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if match :
# get request token
resp , content = self . client . request ( self . request_token_url , " GET " )
if resp [ ' status ' ] != ' 200 ' :
raise Exception ( " Invalid response %s . " % resp [ ' status ' ] )
self . request_token = dict ( urlparse . parse_qsl ( content ) )
# have the user auth
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return ' Go to the following link in your browser: %s ?oauth_token= %s and then send me the pin. ' % ( self . authorize_url , self . request_token [ ' oauth_token ' ] )
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def twitter_auth ( self , connection , event , nick , userhost , what , admin_unlocked ) :
""" Authenticate, given a PIN (following gettoken). """
match = self . authre . search ( what )
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if match :
authtoken = match . group ( 1 )
oauth_verifier = authtoken
# request access token
token = oauth . Token ( self . request_token [ ' oauth_token ' ] , self . request_token [ ' oauth_token_secret ' ] )
token . set_verifier ( oauth_verifier )
client = oauth . Client ( self . consumer , token )
resp , content = client . request ( self . access_token_url , " POST " )
self . access_token = dict ( urlparse . parse_qsl ( content ) )
# finally, create the twitter API object
self . twit = twitter . Api ( self . consumer_key , self . consumer_secret , self . access_token [ ' oauth_token ' ] , self . access_token [ ' oauth_token_secret ' ] )
self . authed = True
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# ugly, but the best place to track it. store the connection for later use
self . connection = connection
# print timeline stuff. this will set up the appropriate timer
self . _check_self_timeline ( )
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return ' The bot is now logged in. '
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def thread_do ( self ) :
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""" Check the timeline. """
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while not self . is_shutdown :
self . _check_self_timeline ( )
time . sleep ( 1 )
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def _check_self_timeline ( self ) :
""" Check my timeline, and if there are entries, print them to the channel. """
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if self . next_timeline_check < time . time ( ) :
self . next_timeline_check = time . time ( ) + 300
if self . authed :
# get the id of the last check we made
since_id = self . _get_last_since_id ( )
output_channel = self . _get_output_channel ( )
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if since_id is not None and output_channel != ' ' :
tweets = self . twit . GetFriendsTimeline ( since_id = since_id )
tweets . reverse ( )
for tweet in tweets :
tweet_text = self . _return_tweet_or_retweet_text ( tweet = tweet , print_source = True )
self . sendmsg ( self . connection , output_channel . encode ( ' utf-8 ' , ' ignore ' ) , tweet_text )
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# friends timeline printed, find the latest id
new_since_id = self . _get_latest_tweet_id ( tweets , since_id )
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tweets = self . twit . GetMentions ( since_id = since_id )
tweets . reverse ( )
for tweet in tweets :
tweet_text = self . _return_tweet_or_retweet_text ( tweet = tweet , print_source = True )
self . sendmsg ( self . connection , output_channel . encode ( ' utf-8 ' , ' ignore ' ) , tweet_text )
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# mentions printed, find the latest id
new_since_id = self . _get_latest_tweet_id ( tweets , new_since_id )
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# set since_id
self . _set_last_since_id ( new_since_id )
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def _return_tweet_or_retweet_text ( self , tweet , print_source = False ) :
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"""
Return a string of the author and text body of a status ,
accounting for whether or not the fetched status is a
retweet .
"""
if tweet . retweeted_status :
retweet = tweet . retweeted_status
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if print_source :
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return ' @ %s (RT @ %s ): %s [ %s ] ' % ( tweet . user . screen_name . encode ( ' utf-8 ' , ' ignore ' ) , retweet . user . screen_name . encode ( ' utf-8 ' , ' ignore ' ) , super ( Twitter , self ) . _unencode_xml ( retweet . text . encode ( ' utf-8 ' , ' ignore ' ) ) , tweet . id )
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else :
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return ' (RT @ %s ): %s [ %s ] ' % ( retweet . user . screen_name . encode ( ' utf-8 ' , ' ignore ' ) , super ( Twitter , self ) . _unencode_xml ( retweet . text . encode ( ' utf-8 ' , ' ignore ' ) ) , tweet . id )
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else :
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if print_source :
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return ' @ %s : %s [ %s ] ' % ( tweet . user . screen_name . encode ( ' utf-8 ' , ' ignore ' ) , super ( Twitter , self ) . _unencode_xml ( tweet . text . encode ( ' utf-8 ' , ' ignore ' ) ) , tweet . id )
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else :
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return ' %s [ %s ] ' % ( super ( Twitter , self ) . _unencode_xml ( tweet . text . encode ( ' utf-8 ' , ' ignore ' ) ) , tweet . id )
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def _get_last_since_id ( self ) :
""" Get the since_id out of the database. """
try :
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db = self . get_db ( )
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query = ' SELECT since_id FROM twitter_settings '
cursor = db . execute ( query )
result = cursor . fetchone ( )
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db . close ( )
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if result :
return result [ ' since_id ' ]
except sqlite3 . Error as e :
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db . close ( )
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print ( " sqlite error: " + str ( e ) )
raise
def _get_output_channel ( self ) :
""" Get the output_channel out of the database. """
try :
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db = self . get_db ( )
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query = ' SELECT output_channel FROM twitter_settings '
cursor = db . execute ( query )
result = cursor . fetchone ( )
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db . close ( )
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if result :
return result [ ' output_channel ' ]
except sqlite3 . Error as e :
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db . close ( )
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print ( " sqlite error: " + str ( e ) )
raise
def _set_last_since_id ( self , since_id ) :
""" Set the since_id. """
try :
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db = self . get_db ( )
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cur = db . cursor ( )
statement = ' UPDATE twitter_settings SET since_id = ? '
cur . execute ( statement , ( since_id , ) )
db . commit ( )
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db . close ( )
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except sqlite3 . Error as e :
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db . close ( )
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print ( " sqlite error: " + str ( e ) )
raise
def _get_latest_tweet_id ( self , tweets , since_id ) :
""" Find the latest tweet id in the provided list, or the given since_id. """
latest = since_id
for tweet in tweets :
if tweet . id > latest :
latest = tweet . id
return latest
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# kate: indent-mode python;indent-width 4;replace-tabs on;