Limnoria/plugins/URL/plugin.py

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2005-02-02 07:53:15 +01:00
###
# Copyright (c) 2002-2004, 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.
###
import supybot.dbi as dbi
import supybot.conf as conf
import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircmsgs as ircmsgs
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
class UrlRecord(dbi.Record):
__fields__ = [
('url', eval),
('by', eval),
('near', eval),
('at', eval),
]
class DbiUrlDB(plugins.DbiChannelDB):
class DB(dbi.DB):
Record = UrlRecord
def add(self, url, msg):
record = self.Record(url=url, by=msg.nick,
near=msg.args[1], at=msg.receivedAt)
super(self.__class__, self).add(record)
def urls(self, p):
L = list(self.select(p))
L.reverse()
return L
URLDB = plugins.DB('URL', {'flat': DbiUrlDB})
class URL(callbacks.Privmsg):
def __init__(self, irc):
self.__parent = super(URL, self)
self.__parent.__init__(irc)
self.db = URLDB()
def doPrivmsg(self, irc, msg):
channel = msg.args[0]
if irc.isChannel(channel):
if ircmsgs.isAction(msg):
text = ircmsgs.unAction(msg)
else:
text = msg.args[1]
for url in utils.web.urlRe.findall(text):
r = self.registryValue('nonSnarfingRegexp', channel)
if r and r.search(url):
self.log.debug('Skipping adding %u to db.', url)
continue
self.log.debug('Adding %u to db.', url)
self.db.add(channel, url, msg)
def stats(self, irc, msg, args, channel):
"""[<channel>]
Returns the number of URLs in the URL database. <channel> is only
required if the message isn't sent in the channel itself.
"""
self.db.vacuum(channel)
count = self.db.size(channel)
irc.reply(format('I have %n in my database.', (count, 'URL')))
stats = wrap(stats, ['channeldb'])
def last(self, irc, msg, args, channel, optlist):
"""[<channel>] [--{from,with,without,near,proto} <value>] [--nolimit]
Gives the last URL matching the given criteria. --from is from whom
the URL came; --proto is the protocol the URL used; --with is something
inside the URL; --without is something that should not be in the URL;
--near is something in the same message as the URL; If --nolimit is
given, returns all the URLs that are found. to just the URL.
<channel> is only necessary if the message isn't sent in the channel
itself.
"""
predicates = []
f = None
nolimit = False
for (option, arg) in optlist:
if option == 'nolimit':
nolimit = True
elif option == 'from':
def f(record, arg=arg):
return ircutils.strEqual(record.by, arg)
elif option == 'with':
def f(record, arg=arg):
return arg in record.url
elif option == 'without':
def f(record, arg=arg):
return arg not in record.url
elif option == 'proto':
def f(record, arg=arg):
return record.url.startswith(arg)
elif option == 'near':
def f(record, arg=arg):
return arg in record.near
if f is not None:
predicates.append(f)
def predicate(record):
for predicate in predicates:
if not predicate(record):
return False
return True
urls = [record.url for record in self.db.urls(channel, predicate)]
if not urls:
irc.reply('No URLs matched that criteria.')
else:
if nolimit:
urls = [format('%u', url) for url in urls]
s = ', '.join(urls)
else:
# We should optimize this with another URLDB method eventually.
s = urls[0]
irc.reply(s)
last = wrap(last, ['channeldb',
getopts({'from': 'something', 'with': 'something',
'near': 'something', 'proto': 'something',
'nolimit': '', 'without': 'something',})])
Class = URL
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: