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Limnoria/plugins/URLSnarfer.py

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Python
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#!/usr/bin/env python
###
# Copyright (c) 2002, Jeremiah Fincher
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions, and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions, and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
###
"""
Keeps track of URLs posted to a channel, along with relevant context. Allows
searching for URLs and returning random URLs. Also provides statistics on the
URLs in the database.
"""
from baseplugin import *
import re
import time
import getopt
import urlparse
import sqlite
import utils
import privmsgs
import callbacks
example = utils.wrapLines("""
<supybot> lasturl, numurls, randomurl
<jemfinch> @numurls
<supybot> Error: Command must be sent in a channel or include a channel in its arguments.
<jemfinch> (each channel has its own URL database, so these commands need to know which channel database to access)
<jemfinch> @numurls #sourcereview
<supybot> I have 93 URLs in my database.
<jemfinch> @randomurl #sourcereview
<supybot> <http://gameknot.com/chess.pl?bd=1022045&r=735> (added by Strike at 06:25 PM, August 17, 2003)
<jemfinch> @lasturl
<supybot> Error: Command must be sent in a channel or include a channel in its arguments.
<jemfinch> @lasturl #sourcereview
<supybot> <http://lambda.weblogs.com/xml/rss.xml>, added by Strike at 12:12 AM, August 26, 2003.
<jemfinch> @lasturl #sourcereview --proto ftp
<supybot> <ftp://ftp.us.debian.org/debian/dists/unstable/Contents-i386.gz>, added by Strike|work at 07:27 PM, August 21, 2003.
<jemfinch> @lasturl #sourcereview --near Stuka
<supybot> <http://slashdot.org/comments.pl?sid=75020&cid=6720123>, added by jemfinch at 03:16 PM, August 25, 2003.
<jemfinch> @lasturl #sourcereview --at coderforums.com
<supybot> <http://coderforums.com/showthread.php?s=&postid=15798#post15798>, added by Strike|work at 02:41 PM, August 25, 2003.
""")
def configure(onStart, afterConnect, advanced):
# This will be called by setup.py to configure this module. onStart and
# afterConnect are both lists. Append to onStart the commands you would
# like to be run when the bot is started; append to afterConnect the
# commands you would like to be run when the bot has finished connecting.
from questions import expect, anything, something, yn
onStart.append('load URLSnarfer')
class URLSnarfer(callbacks.Privmsg, ChannelDBHandler):
def __init__(self):
self.nextMsgs = {}
callbacks.Privmsg.__init__(self)
ChannelDBHandler.__init__(self)
def makeDb(self, filename):
if os.path.exists(filename):
return sqlite.connect(filename)
db = sqlite.connect(filename)
cursor = db.cursor()
cursor.execute("""CREATE TABLE urls (
id INTEGER PRIMARY KEY,
url TEXT,
added TIMESTAMP,
added_by TEXT,
previous_msg TEXT,
current_msg TEXT,
next_msg TEXT,
protocol TEXT,
site TEXT,
filename TEXT
)""")
db.commit()
return db
_urlRe = re.compile(r"([^<\s]+://[^>\s]+)", re.I)
def doPrivmsg(self, irc, msg):
callbacks.Privmsg.doPrivmsg(self, irc, msg)
channel = msg.args[0]
db = self.getDb(channel)
cursor = db.cursor()
if (msg.nick, channel) in self.nextMsgs:
L = self.nextMsgs.pop((msg.nick, msg.args[0]))
for (url, added) in L:
cursor.execute("""UPDATE urls SET next_msg=%s
WHERE url=%s AND added=%s""",
msg.args[1], url, added)
for url in self._urlRe.findall(msg.args[1]):
(protocol, site, filename, _, _, _) = urlparse.urlparse(url)
previousMsg = ''
for oldMsg in reviter(irc.state.history):
if oldMsg.command == 'PRIVMSG':
if oldMsg.nick == msg.nick and oldMsg.args[0] == channel:
previousMsg = oldMsg.args[1]
addedBy = msg.nick
added = int(time.time())
cursor.execute("""INSERT INTO urls VALUES
(NULL, %s, %s, %s, %s, %s, '', %s, %s, %s)""",
url, added, addedBy, msg.args[1], previousMsg,
protocol, site, filename)
key = (msg.nick, channel)
self.nextMsgs.setdefault(key, []).append((url, added))
db.commit()
def randomurl(self, irc, msg, args):
"""[<channel>]
Returns a random URL from the URL database. <channel> is only required
if the message isn't sent in the channel itself.
"""
channel = privmsgs.getChannel(msg, args)
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT * FROM urls ORDER BY random() LIMIT 1""")
(id, url, added, addedBy, _, _, _, _, _, _) = cursor.fetchone()
when = time.strftime(conf.humanTimestampFormat,
time.localtime(int(added)))
s = '<%s> (added by %s at %s)' % (id, url, addedBy, when)
irc.reply(msg, s)
def numurls(self, irc, msg, args):
"""[<channel>]
Returns the number of URLs in the URL database. <channel> is only
required if the message isn't sent in the channel itself.
"""
channel = privmsgs.getChannel(msg, args)
db = self.getDb(channel)
cursor = db.cursor()
cursor.execute("""SELECT COUNT(*) FROM urls""")
(count,) = cursor.fetchone()
irc.reply(msg, 'I have %s %s in my database.' % \
(count, int(count) == 1 and 'URL' or 'URLs'))
def lasturl(self, irc, msg, args):
"""[<channel>] [--{from,with,at,proto,near}=<value>]
Gives the last URL matching the given criteria. --from is from whom
the URL came; --at is the site of the URL; --proto is the protocol the
URL used; --with is something inside the URL; --near is a string in the
messages before and after the link. <channel> is only necessary if the
message isn't sent in the channel itself.
"""
channel = privmsgs.getChannel(msg, args)
(optlist, rest) = getopt.getopt(args, '', ['from=', 'with=', 'at=',
'proto=', 'near='])
criteria = ['1=1']
formats = []
for (option, argument) in optlist:
option = option[2:] # Strip off the --.
if option == 'from':
criteria.append('added_by LIKE %s')
formats.append(argument)
elif option == 'with':
criteria.append('url LIKE %s')
formats.append(argument)
elif option == 'at':
if '%' not in argument and '_' not in argument:
argument = '%' + argument
criteria.append('site LIKE %s')
formats.append(argument)
elif option == 'proto':
criteria.append('protocol=%s')
formats.append(argument)
elif option == 'near':
criteria.append("""(previous_msg LIKE %s OR
next_msg LIKE %s OR
current_msg LIKE %s)""")
if '%' not in argument:
argument = '%%%s%%' % argument
formats.append(argument)
formats.append(argument)
formats.append(argument)
db = self.getDb(channel)
cursor = db.cursor()
criterion = ' AND '.join(criteria)
sql = """SELECT url, added, added_by
FROM urls
WHERE %s ORDER BY id DESC""" % criterion
cursor.execute(sql, *formats)
if cursor.rowcount == 0:
irc.reply(msg, 'No URLs matched that criteria.')
else:
(url, added, added_by) = cursor.fetchone()
timestamp = time.strftime('%I:%M %p, %B %d, %Y',
time.localtime(int(added)))
s = '<%s>, added by %s at %s.' % (url, added_by, timestamp)
irc.reply(msg, s)
Class = URLSnarfer
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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