mirror of
https://github.com/Mikaela/Limnoria.git
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298 lines
12 KiB
Python
298 lines
12 KiB
Python
#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""
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Keeps track of URLs posted to a channel, along with relevant context. Allows
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searching for URLs and returning random URLs. Also provides statistics on the
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URLs in the database.
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"""
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import plugins
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import os
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import re
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import time
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import getopt
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import urllib2
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import urlparse
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import sqlite
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import conf
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import debug
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import utils
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import ircmsgs
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import ircutils
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import privmsgs
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import callbacks
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def configure(onStart, afterConnect, advanced):
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# This will be called by setup.py to configure this module. onStart and
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# afterConnect are both lists. Append to onStart the commands you would
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# like to be run when the bot is started; append to afterConnect the
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# commands you would like to be run when the bot has finished connecting.
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from questions import expect, anything, something, yn
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onStart.append('load URL')
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class URL(callbacks.Privmsg, plugins.Toggleable, plugins.ChannelDBHandler):
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toggles = plugins.ToggleDictionary({'tinysnarf':True,
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'tinyreply':True})
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_maxUrlLen = 46
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def __init__(self):
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self.nextMsgs = {}
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callbacks.Privmsg.__init__(self)
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plugins.ChannelDBHandler.__init__(self)
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plugins.Toggleable.__init__(self)
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def makeDb(self, filename):
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if os.path.exists(filename):
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return sqlite.connect(filename)
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db = sqlite.connect(filename)
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cursor = db.cursor()
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cursor.execute("""CREATE TABLE urls (
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id INTEGER PRIMARY KEY,
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url TEXT,
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added TIMESTAMP,
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added_by TEXT,
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previous_msg TEXT,
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current_msg TEXT,
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next_msg TEXT,
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protocol TEXT,
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site TEXT,
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filename TEXT
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)""")
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cursor.execute("""CREATE TABLE tinyurls (
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id INTEGER PRIMARY KEY,
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url_id INTEGER,
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tinyurl TEXT
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)""")
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db.commit()
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return db
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_urlRe = re.compile(r"([-a-z0-9+.]+://[-\w=#!*()',$;&/@:%?.~]+)", re.I)
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def doPrivmsg(self, irc, msg):
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channel = msg.args[0]
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db = self.getDb(channel)
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cursor = db.cursor()
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if (msg.nick, channel) in self.nextMsgs:
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L = self.nextMsgs.pop((msg.nick, msg.args[0]))
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for (url, added) in L:
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cursor.execute("""UPDATE urls SET next_msg=%s
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WHERE url=%s AND added=%s""",
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msg.args[1], url, added)
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if ircmsgs.isAction(msg):
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text = ircmsgs.unAction(msg)
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else:
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text = msg.args[1]
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for url in self._urlRe.findall(text):
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(protocol, site, filename, _, _, _) = urlparse.urlparse(url)
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previousMsg = ''
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for oldMsg in reviter(irc.state.history):
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if oldMsg.command == 'PRIVMSG':
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if oldMsg.nick == msg.nick and oldMsg.args[0] == channel:
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previousMsg = oldMsg.args[1]
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addedBy = msg.nick
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added = int(time.time())
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cursor.execute("""INSERT INTO urls VALUES
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(NULL, %s, %s, %s, %s, %s, '', %s, %s, %s)""",
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url, added, addedBy, msg.args[1], previousMsg,
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protocol, site, filename)
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if self.toggles.get('tinysnarf', channel=msg.args[0]) and\
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len(url) > self._maxUrlLen:
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cursor.execute("""SELECT id FROM urls WHERE url=%s AND
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added=%s AND added_by=%s""", url, added, addedBy)
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if cursor.rowcount != 0:
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#debug.printf(url)
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tinyurl = self._getTinyUrl(url)
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if tinyurl:
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id = int(cursor.fetchone()[0])
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cursor.execute("""INSERT INTO tinyurls VALUES
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(NULL, %s, %s)""", id, tinyurl)
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if self.toggles.get('tinyreply', channel=msg.args[0]):
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irc.queueMsg(callbacks.reply(msg, '%s (was <%s>)' %
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(ircutils.bold(tinyurl), url), prefixName=False))
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key = (msg.nick, channel)
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self.nextMsgs.setdefault(key, []).append((url, added))
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db.commit()
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_tinyRe = re.compile(r'(http://tinyurl.com/\w{4})</blockquote>')
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def _getTinyUrl(self, url, cmd=False):
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try:
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fd = urllib2.urlopen('http://tinyurl.com/create.php?url=%s' % url)
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s = fd.read()
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fd.close()
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m = self._tinyRe.search(s)
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if m is None:
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return None
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return m.group(1)
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except urllib2.HTTPError, e:
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if cmd:
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raise callbacks.Error, e.msg()
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else:
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debug.msg(e.msg())
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def _formatUrl(self, url, added, addedBy):
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#debug.printf((url, added, addedBy))
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when = time.strftime(conf.humanTimestampFormat,
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time.localtime(int(added)))
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return '<%s> (added by %s at %s)' % (url, addedBy, when)
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def _formatUrlWithId(self, id, url, added, addedBy):
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#debug.printf((id, url, added, addedBy))
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return '#%s: %s' % (id, self._formatUrl(url, added, addedBy))
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def random(self, irc, msg, args):
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"""[<channel>]
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Returns a random URL from the URL database. <channel> is only required
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if the message isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT id, url, added, added_by
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FROM urls
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ORDER BY random()
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LIMIT 1""")
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if cursor.rowcount == 0:
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irc.reply(msg, 'I have no URLs in my database for %s' % channel)
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else:
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irc.reply(msg, self._formatUrlWithId(*cursor.fetchone()))
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def tiny(self, irc, msg, args):
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"""<url>
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Returns a TinyURL.com version of <url>
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"""
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url = privmsgs.getArgs(args)
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if self.toggles.get('tinysnarf', channel=msg.args[0]) and\
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self.toggles.get('tinyreply', channel=msg.args[0]):
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return
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url = self._getTinyUrl(url, cmd=True)
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if not url:
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irc.error(msg, 'Could not parse the TinyURL.com results page. '\
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'(%s)' % conf.replyPossibleBug)
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else:
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irc.reply(msg, url)
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def num(self, irc, msg, args):
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"""[<channel>]
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Returns the number of URLs in the URL database. <channel> is only
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required if the message isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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db = self.getDb(channel)
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cursor = db.cursor()
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cursor.execute("""SELECT COUNT(*) FROM urls""")
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(count,) = cursor.fetchone()
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irc.reply(msg, 'I have %s %s in my database.' % \
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(count, int(count) == 1 and 'URL' or 'URLs'))
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def last(self, irc, msg, args):
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"""[<channel>] [--{from,with,at,proto,near}=<value>] --{nolimit,fancy}
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Gives the last URL matching the given criteria. --from is from whom
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the URL came; --at is the site of the URL; --proto is the protocol the
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URL used; --with is something inside the URL; --near is a string in the
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messages before and after the link. If --nolimit is given, returns as
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many URLs as can fit in the message. --fancy returns information in
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addition to just the URL. <channel> is only necessary if the
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message isn't sent in the channel itself.
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"""
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channel = privmsgs.getChannel(msg, args)
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(optlist, rest) = getopt.getopt(args, '', ['from=', 'with=', 'at=',
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'proto=', 'near=',
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'nolimit', 'fancy'])
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criteria = ['1=1']
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formats = []
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simple = True
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nolimit = False
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for (option, argument) in optlist:
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option = option.lstrip('-') # Strip off the --.
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if option == 'nolimit':
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nolimit = True
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if option == 'fancy':
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simple = False
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elif option == 'from':
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criteria.append('added_by LIKE %s')
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formats.append(argument)
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elif option == 'with':
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if '%' not in argument and '_' not in argument:
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argument = '%%%s%%' % argument
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criteria.append('url LIKE %s')
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formats.append(argument)
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elif option == 'at':
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if '%' not in argument and '_' not in argument:
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argument = '%' + argument
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criteria.append('site LIKE %s')
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formats.append(argument)
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elif option == 'proto':
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criteria.append('protocol=%s')
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formats.append(argument)
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elif option == 'near':
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criteria.append("""(previous_msg LIKE %s OR
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next_msg LIKE %s OR
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current_msg LIKE %s)""")
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if '%' not in argument:
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argument = '%%%s%%' % argument
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formats.append(argument)
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formats.append(argument)
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formats.append(argument)
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db = self.getDb(channel)
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cursor = db.cursor()
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criterion = ' AND '.join(criteria)
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sql = """SELECT id, url, added, added_by
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FROM urls
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WHERE %s ORDER BY id DESC
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LIMIT 100""" % criterion
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cursor.execute(sql, *formats)
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if cursor.rowcount == 0:
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irc.reply(msg, 'No URLs matched that criteria.')
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else:
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if nolimit:
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urls = ['<%s>' % t[1] for t in cursor.fetchall()]
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s = ', '.join(urls)
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elif simple:
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s = cursor.fetchone()[1]
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else:
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(id, url, added, added_by) = cursor.fetchone()
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timestamp = time.strftime('%I:%M %p, %B %d, %Y',
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time.localtime(int(added)))
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s = '#%s: <%s>, added by %s at %s.' % \
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(id, url, added_by, timestamp)
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irc.reply(msg, s)
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Class = URL
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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