ubuntu-bots/PackageInfo/plugin.py

###
# Copyright (c) 2008, Terence Simpson
# 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.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
import supybot.ircutils as ircutils
import supybot.conf as conf
import supybot.ircdb as ircdb
import os
import packages
reload(packages)

def get_user(msg):
    try:
        user = ircdb.users.getUser(msg.prefix)
    except:
        return False
    return user


class PackageInfo(callbacks.Plugin):
    """Lookup package information via apt-cache/apt-file"""
    threaded = True

    def __init__(self, irc):
        self.__parent = super(PackageInfo, self)
        self.__parent.__init__(irc)
        self.Apt = packages.Apt(self)

    def callPrecedence(self, irc):
        before = []
        for cb in irc.callbacks:
            if cb.name() == 'IRCLogin':
                before.append(cb)
        return (before, [])

    def __getRelease(self, irc, release, channel, doError=True):
        if release:
            return release
        release = self.registryValue("defaultRelease", channel)
        if not release:
            if doError:
                irc.error("'supybot.plugins.PackageInfo.defaultRelease' is not set")
            return None
        return release

    def __getChannel(self, channel):
        return ircutils.isChannel(channel) and channel or None

    def info(self, irc, msg, args, package, release):
        """<package> [<release>]

        Lookup information for <package>, optionally in <release>
        """
        channel = self.__getChannel(msg.args[0])
        release = self.__getRelease(irc, release, channel)
        if not release:
            return
        irc.reply(self.Apt.info(package, release))

    info = wrap(info, ['text', optional('text')])

    def find(self, irc, msg, args, package, release):
        """<package/filename> [<release>]

        Search for <package> or, of that fails, find <filename>'s package(s).
        Optionally in <release>
        """
        channel = self.__getChannel(msg.args[0])
        release = self.__getRelease(irc, release, channel)
        if not release:
            return
        irc.reply(self.Apt.find(package, release))

    find = wrap(find, ['text', optional('text')])

    def privmsg(self, irc, msg, user):
        text = msg.args[1]
        release = self.__getRelease(irc, None, channel, False)
        if text[0] == self.registryValue("prefixchar"):
            text = text[1:]
        if user and text[0] in str(conf.supybot.reply.whenAddressedBy.get('chars')):
            return
        if text[:4] == "find":
            irc.reply(self.Apt.find(text[4:].strip(), release))
        else:
            irc.reply(self.Apt.info(text[4:].strip(), release))

    def chanmsg(self, irc, msg, user):
        channel = self.__getChannel(msg.args[0])
        text = msg.args[1]
        release = self.__getRelease(irc, None, channel, False)
        if text[0] != self.registryValue("prefixchar", channel):
            return
        text = text[1:]
        if not text[:4] in ("find", "info"):
            return
        if text[:4] == "find":
            irc.reply(self.Apt.find(text[4:].strip(), release))
        else:
            irc.reply(self.Apt.info(text[4:].strip(), release))

    def doPrivmsg(self, irc, msg):
        if chr(1) in msg.args[1]: # CTCP
            return
        channel = self.__getChannel(msg.args[0])
        if not self.registryValue("enabled", channel):
            return
        user = get_user(msg)
        if channel:
            self.chanmsg(irc, msg, user)
        elif user:
            return
            self.privmsg(irc, msg, user)

    def inFilter(self, irc, msg):
        if not conf.supybot.get("defaultIgnore"):
            return msg
        if msg.command != "PRIVMSG":
            return msg
        text = msg.args[1]
        user = get_user(msg)
        if user:
            return msg
        channel = self.__getChannel(msg.args[0])
        if channel:
            if text[:5] not in ("!info", "!find", "@info", "@find"):
                return msg
        else:
            if text[:5] in ("info ", "find ", "!info", "!find", "@info", "@find"):
                irc = callbacks.ReplyIrcProxy(irc, msg)
                self.doPrivmsg(irc, msg)
            else:
                return msg

        return msg

Class = PackageInfo


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