Limnoria/plugins/Ebay.py

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#!/usr/bin/env python
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###
# Copyright (c) 2003, James Vega
# 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.
###
"""
Accesses eBay.com for various things
"""
import re
import sets
import getopt
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__revision__ = "$Id$"
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__author__ = "James Vega (jamessan) <jamessan@users.sf.net>"
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import conf
import utils
import plugins
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import ircutils
import privmsgs
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import registry
import webutils
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import callbacks
def configure(advanced):
from questions import output, expect, anything, something, yn
conf.registerPlugin('Ebay', True)
output("""The Ebay plugin has the functionality to watch for URLs
that match a specific pattern (we call this a snarfer). When
supybot sees such a URL, he will parse the web page for
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information and reply with the results.""")
if yn('Do you want the Ebay snarfer enabled by default?'):
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conf.supybot.plugins.Ebay.auctionSnarfer.setValue(True)
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class EbayError(callbacks.Error):
pass
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conf.registerPlugin('Ebay')
conf.registerChannelValue(conf.supybot.plugins.Ebay, 'auctionSnarfer',
registry.Boolean(False, """Determines whether the bot will automatically
'snarf' Ebay auction URLs and print information about them."""))
class Ebay(callbacks.PrivmsgCommandAndRegexp):
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"""
Module for eBay stuff. Currently contains a URL snarfer and a command to
get info about an auction.
"""
threaded = True
regexps = ['ebaySnarfer']
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_reopts = re.I | re.S
_invalid = re.compile(r'(is invalid, still pending, or no longer in our '
r'database)', _reopts)
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_info = re.compile(r'<title>eBay item (\d+) \([^)]+\) - ([^<]+)</title>',
_reopts)
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_bid = re.compile(r'((?:Current|Starting) bid):.+?<b>([^<]+?)<fo', _reopts)
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_winningBid = re.compile(r'(Winning bid|Sold for):.+?<b>([^<]+?)<font',
_reopts)
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_time = re.compile(r'(Time left):.+?<b>([^<]+?)</b>', _reopts)
_bidder = re.compile(r'(High bidder):.+?(?:">(User ID) (kept private)'
r'</font>|<a href[^>]+>([^<]+)</a>.+?'
r'<a href[^>]+>(\d+)</a>)', _reopts)
_winningBidder = re.compile(r'(Winning bidder|Buyer):.+?<a href[^>]+>'
r'([^<]+)</a>.+?<a href[^>]+>(\d+)</a>',_reopts)
_buyNow = re.compile(r'alt="(Buy It Now)">.*?<b>([^<]+)</b>', _reopts)
_seller = re.compile(r'(Seller information).+?<a href[^>]+>([^<]+)</a>'
r'.+ViewFeedback.+">(\d+)</a>', _reopts)
_searches = (_bid, _winningBid, _time, _bidder,
_winningBidder, _buyNow, _seller)
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_multiField = (_bidder, _winningBidder, _seller)
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def auction(self, irc, msg, args):
"""<item>
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Return useful information about the eBay auction with item number
<item>.
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"""
item = privmsgs.getArgs(args)
if not item.isdigit():
irc.error('<item> must be an integer value.')
return
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url = 'http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=%s' % item
try:
irc.reply('%s <%s>' % (self._getResponse(url), url))
except EbayError, e:
irc.reply(str(e))
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def ebaySnarfer(self, irc, msg, match):
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r"http://cgi\.ebay\.(?:com(?:.au)?|ca|co.uk)/(?:.*?/)?(?:ws/)?" \
r"eBayISAPI\.dll\?ViewItem(?:&item=\d+|&category=\d+)+"
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if not self.registryValue('auctionSnarfer', msg.args[0]):
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return
url = match.group(0)
try:
irc.reply(self._getResponse(url), prefixName=False)
except EbayError, e:
self.log.exception('ebaySnarfer exception at %s:', url)
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ebaySnarfer = privmsgs.urlSnarfer(ebaySnarfer)
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def _getResponse(self, url):
try:
s = webutils.getUrl(url)
except webutils.WebError, e:
raise EbayError, str(e)
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resp = []
m = self._invalid.search(s)
if m:
raise EbayError, 'That auction %s' % m.group(1)
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m = self._info.search(s)
if m:
(num, desc) = m.groups()
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resp.append('%s%s: %s' % (ircutils.bold('Item #'),
ircutils.bold(num),
utils.htmlToText(desc)))
def bold(L):
return (ircutils.bold(L[0]),) + L[1:]
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for r in self._searches:
m = r.search(s)
if m:
if r in self._multiField:
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# Have to filter the results from self._bidder since
# 2 of the 5 items in its tuple will always be None.
#self.log.warning(m.groups())
matches = filter(None, m.groups())
resp.append('%s: %s (%s)' % bold(matches))
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else:
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resp.append('%s: %s' % bold(m.groups()))
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if resp:
return '; '.join(resp)
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else:
raise EbayError, 'That doesn\'t appear to be a proper eBay ' \
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'auction page. (%s)' % \
conf.supybot.replies.possibleBug()
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Class = Ebay
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: