mirror of https://github.com/Mikaela/Limnoria.git
169 lines
6.3 KiB
Python
169 lines
6.3 KiB
Python
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#!/usr/bin/env python
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###
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# Copyright (c) 2004, James Vega
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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"""
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Provides commands which interface with various websites to perform currency
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conversions.
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"""
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__revision__ = "$Id$"
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__author__ = ''
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import re
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import conf
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import utils
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import ircutils
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import privmsgs
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import registry
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import webutils
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import callbacks
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class CurrencyCommand(registry.String):
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def setValue(self, s):
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m = Currency.currencyCommands
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if s not in m:
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raise registry.InvalidRegistryValue,\
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'Command must be one of %s' % utils.commaAndify(m)
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else:
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method = getattr(Currency, s)
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Currency.convert.im_func.__doc__ = method.__doc__
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registry.String.setValue(self, s)
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class Currency(callbacks.Privmsg):
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currencyCommands = ['xe', 'yahoo']
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threaded = True
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_symbolError = 'Currency must be denoted by it\'s 3-letter symbol.'
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def convert(self, irc, msg, args):
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# This specifically does not have a docstring.
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channel = None
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if ircutils.isChannel(msg.args[0]):
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channel = msg.args[0]
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realCommandName = self.registryValue('command', channel)
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realCommand = getattr(self, realCommandName)
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realCommand(irc, msg, args)
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_xeCurrError = re.compile(r'The following error occurred:<BR><BR>\s+'
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r'(.*)</body>', re.I | re.S)
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_xeConvert = re.compile(r'<TD[^>]+><FONT[^>]+>\s+([\d.]+\s+\w{3}\s+='
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r'\s+[\d.]+\s+\w{3})', re.I | re.S)
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def xe(self, irc, msg, args):
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"""[<number>] <currency1> to <currency2>
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Converts from <currency1> to <currency2>. If number isn't given, it
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defaults to 1.
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"""
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(number, curr1, curr2) = privmsgs.getArgs(args, required=2,
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optional=1)
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try:
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int(number)
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except ValueError:
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curr2 = curr1
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curr1 = number
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number = "1"
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curr1 = curr1.lower()
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curr2 = curr2.lower()
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if curr2.startswith('to '):
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curr2 = curr2[3:]
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if len(curr1) != 3 or len(curr2) != 3:
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irc.error(self._symbolError)
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return
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url = 'http://www.xe.com/ucc/convert.cgi?Amount=%s&From=%s&To=%s'
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try:
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text = webutils.getUrl(url % (number, curr1, curr2))
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except webutils.WebError, e:
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irc.error(str(e))
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return
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err = self._xeCurrError.search(text)
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if err is not None:
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irc.error('You used an incorrect currency symbol.')
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return
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conv = self._xeConvert.search(text)
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if conv is not None:
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irc.reply(conv.group(1))
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return
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else:
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irc.error('XE must\'ve changed the format of their site.')
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return
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_yahooConvert = re.compile(r'\w{6}=X</a></td><td class[^>]+><b>([\d.]+)'
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r'</b></td><td class[^>]+>\w{3} \d\d?</td><td'
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r' class=[^>]+>[\d.]+</td><td class[^>]+><b>'
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r'([\d.]+)', re.I | re.S)
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def yahoo(self, irc, msg, args):
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"""[<number>] <currency1> to <currency2>
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Converts from <currency1> to <currency2>. If number isn't given, it
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defaults to 1.
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"""
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(number, curr1, curr2) = privmsgs.getArgs(args, required=2,
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optional=1)
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try:
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int(number)
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except ValueError:
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curr2 = curr1
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curr1 = number
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number = "1"
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curr1 = curr1.lower()
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curr2 = curr2.lower()
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if curr2.startswith('to '):
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curr2 = curr2[3:]
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if len(curr1) != 3 or len(curr2) != 3:
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irc.error(self._symbolError)
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return
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url = 'http://finance.yahoo.com/currency/convert?amt=%s&from=%s&'\
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'to=%s&submit=Convert'
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try:
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text = webutils.getUrl(url % (number, curr1, curr2))
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except webutils.WebError, e:
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irc.error(str(e))
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return
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conv = self._yahooConvert.search(text)
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if conv is not None:
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irc.reply('%s %s = %s %s' % (conv.group(1), curr1.upper(),
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conv.group(2), curr2.upper()))
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return
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else:
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irc.error('Either you used the wrong currency symbol(s) or Yahoo '
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'changed the format of their site.')
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return
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conf.registerPlugin('Currency')
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conf.registerChannelValue(conf.supybot.plugins.Currency, 'command',
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CurrencyCommand('xe', """Sets the default command to use when retrieving
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the currency conversion. Command must be one of %s.""" %
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utils.commaAndify(Currency.currencyCommands, And='or')))
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Class = Currency
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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