mirror of https://github.com/Mikaela/Limnoria.git
214 lines
8.5 KiB
Python
214 lines
8.5 KiB
Python
###
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# Copyright (c) 2002-2004, 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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__revision__ = "$Id$"
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import supybot.plugins as plugins
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import re
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import supybot.dbi as dbi
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import supybot.conf as conf
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import supybot.utils as utils
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from supybot.commands import *
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import supybot.ircmsgs as ircmsgs
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import supybot.ircutils as ircutils
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import supybot.webutils as webutils
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import supybot.registry as registry
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import supybot.callbacks as callbacks
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def configure(advanced):
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from supybot.questions import output, expect, anything, something, yn
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conf.registerPlugin('URL', True)
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if yn("""This plugin also offers a snarfer that will try to fetch the
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title of URLs that it sees in the channel. Would like you this
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snarfer to be enabled?""", default=False):
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conf.supybot.plugins.URL.titleSnarfer.setValue(True)
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conf.registerPlugin('URL')
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conf.registerChannelValue(conf.supybot.plugins.URL, 'titleSnarfer',
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registry.Boolean(False, """Determines whether the bot will output the HTML
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title of URLs it sees in the channel."""))
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conf.registerChannelValue(conf.supybot.plugins.URL, 'nonSnarfingRegexp',
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registry.Regexp(None, """Determines what URLs are to be snarfed and stored
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in the database in the channel; URLs matching the regexp given will not be
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snarfed. Give the empty string if you have no URLs that you'd like to
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exclude from being snarfed."""))
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class UrlRecord(dbi.Record):
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__fields__ = [
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('url', eval),
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('by', eval),
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('near', eval),
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('at', eval),
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]
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class DbiUrlDB(plugins.DbiChannelDB):
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class DB(dbi.DB):
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Record = UrlRecord
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def add(self, url, msg):
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record = self.Record(url=url, by=msg.nick,
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near=msg.args[1], at=msg.receivedAt)
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super(self.__class__, self).add(record)
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def urls(self, p):
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L = list(self.select(p))
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L.reverse()
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return L
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URLDB = plugins.DB('URL', {'flat': DbiUrlDB})
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class URL(callbacks.PrivmsgCommandAndRegexp):
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priority = 100 # lower than 99, the normal priority.
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regexps = ['titleSnarfer']
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_titleRe = re.compile('<title>(.*?)</title>', re.I | re.S)
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def __init__(self):
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self.__parent = super(URL, self)
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self.__parent.__init__()
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self.db = URLDB()
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def doPrivmsg(self, irc, msg):
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channel = msg.args[0]
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if ircutils.isChannel(channel):
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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 webutils.urlRe.findall(text):
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r = self.registryValue('nonSnarfingRegexp', channel)
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if r and r.search(url):
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self.log.debug('Skipping adding %s to db.',
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utils.quoted(url))
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continue
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self.log.debug('Adding %s to db.', utils.quoted(url))
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self.db.add(channel, url, msg)
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self.__parent.doPrivmsg(irc, msg)
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def titleSnarfer(self, irc, msg, match):
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r"https?://[^\])>\s]+"
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channel = msg.args[0]
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if not ircutils.isChannel(channel):
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return
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if callbacks.addressed(irc.nick, msg):
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return
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if self.registryValue('titleSnarfer', channel):
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url = match.group(0)
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r = self.registryValue('nonSnarfingRegexp', channel)
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if r and r.search(url):
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self.log.debug('Not titleSnarfing %s.', utils.quoted(url))
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return
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try:
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size = conf.supybot.protocols.http.peekSize()
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text = webutils.getUrl(url, size=size)
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except webutils.WebError, e:
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self.log.info('Couldn\'t snarf title of %s, %s.', url, e)
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return
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m = self._titleRe.search(text)
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if m is not None:
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domain = webutils.getDomain(url)
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title = utils.htmlToText(m.group(1).strip())
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s = 'Title: %s (at %s)' % (title, domain)
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irc.reply(s, prefixName=False)
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titleSnarfer = urlSnarfer(titleSnarfer)
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def stats(self, irc, msg, args, channel):
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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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self.db.vacuum(channel)
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count = self.db.size(channel)
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irc.reply('I have %s in my database.' % utils.nItems('URL', count))
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stats = wrap(stats, ['channeldb'])
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def last(self, irc, msg, args, channel, optlist):
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"""[<channel>] [--{from,with,without,near,proto}=<value>] --nolimit
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Gives the last URL matching the given criteria. --from is from whom
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the URL came; --proto is the protocol the URL used; --with is something
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inside the URL; --without is something that should not be in the URL;
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--near is something in the same message as the URL; If --nolimit is
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given, returns all the URLs that are found. to just the URL.
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<channel> is only necessary if the message isn't sent in the channel
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itself.
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"""
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predicates = []
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f = None
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nolimit = False
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for (option, arg) in optlist:
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if option == 'nolimit':
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nolimit = True
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elif option == 'from':
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def f(record, arg=arg):
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return ircutils.strEqual(record.by, arg)
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elif option == 'with':
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def f(record, arg=arg):
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return arg in record.url
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elif option == 'without':
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def f(record, arg=arg):
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return arg not in record.url
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elif option == 'proto':
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def f(record, arg=arg):
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return record.url.startswith(arg)
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elif option == 'near':
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def f(record, arg=arg):
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return arg in record.near
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if f is not None:
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predicates.append(f)
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def predicate(record):
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for predicate in predicates:
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if not predicate(record):
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return False
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return True
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urls = [record.url for record in self.db.urls(channel, predicate)]
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if not urls:
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irc.reply('No URLs matched that criteria.')
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else:
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if nolimit:
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urls = ['<%s>' % url for url in urls]
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s = ', '.join(urls)
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else:
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# We should optimize this with another URLDB method eventually.
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s = urls[0]
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irc.reply(s)
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last = wrap(last, ['channeldb',
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getopts({'from': 'text', 'with': 'text',
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'near': 'text', 'proto': 'text',
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'nolimit': '', 'without': 'text',})])
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Class = URL
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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