#!/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
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###

"""
Add the module docstring here.  This will be used by the setup.py script.
"""

from baseplugin import *

import time
import operator

import rssparser

import privmsgs
import callbacks

def makeHeadlines(name, url, docstring, timeLimit=1800, title='title'):
    timeAttr = '_%sTime' % name
    responseAttr = '_%sResponse' % name
    def f(self, irc, msg, args):
        now = time.time()
        if not hasattr(self, timeAttr) or \
               now - getattr(self, timeAttr) > timeLimit:
            results = rssparser.parse(url)
            headlines = [x[title] for x in results['items']]
            while reduce(operator.add, map(len, headlines)) > 350:
                headlines.pop()
            setattr(self, responseAttr, ' :: '.join(headlines))
            setattr(self, timeAttr, now)
        irc.reply(msg, getattr(self, responseAttr))
    f.__doc__ = docstring
    return f

class RSS(callbacks.Privmsg):
    threaded = True
    slashdot = makeHeadlines('slashdot', 'http://slashdot.org/slashdot.rss',
                             """takes no arguments

        Returns the current headlines on slashdot.org, News for Nerds, Stuff
        that Matters.
        """)
    arstechnica = makeHeadlines('arstechnica',
                                'http://arstechnica.com/etc/rdf/ars.rdf',
                                """takes no arguments

        Returns the current headlines on arstechnica.com, the pc enthusiast's
        resource.
        """)
    advogato = makeHeadlines('advogato',
                             'http://advogato.org/rss/articles.xml',
                             """takes no arguments

        Returns the current headlines on advogato.org.
        """)


Class = RSS

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