Limnoria/plugins/Ebay.py
2004-07-24 05:18:26 +00:00

167 lines
6.7 KiB
Python

#!/usr/bin/env python
###
# 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
__revision__ = "$Id$"
__author__ = "James Vega (jamessan) <jamessan@users.sf.net>"
import supybot.conf as conf
import supybot.utils as utils
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.privmsgs as privmsgs
import supybot.registry as registry
import supybot.webutils as webutils
import supybot.callbacks as 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
information and reply with the results.""")
if yn('Do you want the Ebay snarfer enabled by default?'):
conf.supybot.plugins.Ebay.auctionSnarfer.setValue(True)
class EbayError(callbacks.Error):
pass
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):
"""
Module for eBay stuff. Currently contains a URL snarfer and a command to
get info about an auction.
"""
threaded = True
regexps = ['ebaySnarfer']
_reopts = re.I | re.S
_invalid = re.compile(r'(is invalid, still pending, or no longer in our '
r'database)', _reopts)
_info = re.compile(r'<title>eBay item (\d+) \([^)]+\) - ([^<]+)</title>',
_reopts)
_bid = re.compile(r'((?:Current|Starting) bid):.+?<b>([^<]+?)<fo', _reopts)
_winningBid = re.compile(r'(Winning bid|Sold for):.+?<b>([^<]+?)<font',
_reopts)
_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)
_multiField = (_bidder, _winningBidder, _seller)
def auction(self, irc, msg, args):
"""<item>
Return useful information about the eBay auction with item number
<item>.
"""
item = privmsgs.getArgs(args)
if not item.isdigit():
irc.error('<item> must be an integer value.')
return
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))
def ebaySnarfer(self, irc, msg, match):
r"http://cgi\.ebay\.(?:com(?:.au)?|ca|co.uk)/(?:.*?/)?(?:ws/)?" \
r"eBayISAPI\.dll\?ViewItem(?:&item=\d+|&category=\d+)+"
if not self.registryValue('auctionSnarfer', msg.args[0]):
return
url = match.group(0)
try:
irc.reply(self._getResponse(url), prefixName=False)
except EbayError, e:
self.log.exception('ebaySnarfer exception at %s:', url)
ebaySnarfer = privmsgs.urlSnarfer(ebaySnarfer)
def _getResponse(self, url):
try:
s = webutils.getUrl(url)
except webutils.WebError, e:
raise EbayError, str(e)
resp = []
m = self._invalid.search(s)
if m:
raise EbayError, 'That auction %s' % m.group(1)
m = self._info.search(s)
if m:
(num, desc) = m.groups()
resp.append('%s%s: %s' % (ircutils.bold('Item #'),
ircutils.bold(num),
utils.htmlToText(desc)))
def bold(L):
return (ircutils.bold(L[0]),) + L[1:]
for r in self._searches:
m = r.search(s)
if m:
if r in self._multiField:
# 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))
else:
resp.append('%s: %s' % bold(m.groups()))
if resp:
return '; '.join(resp)
else:
raise EbayError, 'That doesn\'t appear to be a proper eBay ' \
'auction page. (%s)' % \
conf.supybot.replies.possibleBug()
Class = Ebay
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: