Limnoria/plugins/Ebay.py

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#!/usr/bin/python2.3
###
# 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
import urllib2
import plugins
import conf
import debug
import utils
import plugins
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import ircutils
import privmsgs
import callbacks
def configure(onStart, afterConnect, advanced):
# This will be called by setup.py to configure this module. onStart and
# afterConnect are both lists. Append to onStart the commands you would
# like to be run when the bot is started; append to afterConnect the
# commands you would like to be run when the bot has finished connecting.
from questions import expect, anything, something, yn
onStart.append('load Ebay')
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if advanced:
print 'The Ebay plugin has the functionality to watch for URLs'
print 'that match a specific pattern (we call this a snarfer). When'
print 'supybot sees such a URL, he will parse the web page for'
print 'information and reply with the results.\n'
if yn('Do you want the Ebay snarfer enabled by default?') == 'n':
onStart.append('Ebay config auction-snarfer off')
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class EbayError(callbacks.Error):
pass
class Ebay(callbacks.PrivmsgCommandAndRegexp, plugins.Configurable):
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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']
configurables = plugins.ConfigurableDictionary(
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[('auction-snarfer', plugins.ConfigurableBoolType, True,
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"""Determines whether the bot will automatically 'snarf' Ebay auction
URLs and print information about them.""")]
)
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def __init__(self):
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plugins.Configurable.__init__(self)
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callbacks.PrivmsgCommandAndRegexp.__init__(self)
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def die(self):
plugins.Configurable.die(self)
callbacks.PrivmsgCommandAndRegexp.die(self)
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_reopts = re.I | re.S
_invalid = re.compile(r'(is invalid, still pending, or no longer in our '\
'database)', _reopts)
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_info = re.compile(r'<title>eBay item (\d+) \([^)]+\) - ([^<]+)</title>',
_reopts)
_bid = re.compile(r'((?:Current|Starting) bid):.+?<b>([^<]+?)<font',
_reopts)
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_winningBid = re.compile(r'(Winning bid|Sold for):.+?<b>([^<]+?)<font',
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_reopts)
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_time = re.compile(r'(Time left):.+?<b>([^<]+?)</b>', _reopts)
_bidder = re.compile(r'(High bidder):.+?(?:">(User ID) (kept private)'\
'</font>|<a href[^>]+>([^<]+)</a>.+?<a href[^>]+>(\d+)</a>)', _reopts)
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_winningBidder = re.compile(r'(Winning bidder|Buyer):.+?<a href[^>]+>'\
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'([^<]+)</a>.+?<a href[^>]+>(\d+)</a>', _reopts)
_buyNow = re.compile(r'alt="(Buy It Now)">.*?<b>([^<]+)</b>', _reopts)
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_seller = re.compile(r'(Seller information).+?<a href[^>]+>([^<]+)</a>'\
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'.+ViewFeedback.+">(\d+)</a>', _reopts)
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_searches = (_bid, _winningBid, _time, _bidder, _winningBidder, _buyNow,
_seller)
_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(msg, '<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(msg, self._getResponse(url))
except EbayError, e:
irc.reply(msg, 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.configurables.get('auction-snarfer', channel=msg.args[0]):
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return
url = match.group(0)
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#debug.printf(url)
try:
irc.reply(msg, self._getResponse(url), prefixName=False)
except EbayError, e:
debug.msg('Ebay Auction Snarfer: %s: %s' % (url, e))
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ebaySnarfer = privmsgs.urlSnarfer(ebaySnarfer)
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def _getResponse(self, url):
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def bold(m):
return (ircutils.bold(m[0]),) + m[1:]
try:
fd = urllib2.urlopen(url)
s = fd.read()
fd.close()
except urllib2.HTTPError, 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)))
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for r in self._searches:
m = r.search(s)
if m:
if r in self._multiField:
#debug.printf(m.groups())
# [:3] is to make sure that we don't pass a tuple with
# more than 3 items. this allows self._bidder to work
# since self._bidder returns a 5 item tuple
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resp.append('%s: %s (%s)' % bold(m.groups()[:3]))
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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 ' \
'auction page. (%s)' % conf.replyPossibleBug
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Class = Ebay
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: