#!/usr/bin/env python

import re, time

class OldOrigin(object): 
   def __init__(self, origin): 
      self.origin = origin
      self.split(origin)

   def __str__(self): 
      return self.origin

   def split(self, origin):
      if origin and '!' in origin: 
         self.nick, userHost = origin.split('!', 1)
         if '@' in userHost: 
            self.user, self.host = userHost.split('@', 1)
         else: self.user, self.host = userHost, None
      else: self.nick, self.user, self.host = origin, None, None

   def setSender(self, nickname, args): 
      if (not args) or (len(args) < 2): return
      target = args[1]
      if target == nickname: 
         self.sender = self.nick
      else: self.sender = target

class NewOrigin(object): 
   source = re.compile(r'([^!]*)!?([^@]*)@?(.*)')

   def __init__(self, bot, source, args): 
      match = NewOrigin.source.match(source or '')
      self.nick, self.user, self.host = match.groups()

      if len(args) > 1: 
         target = args[1]
      else: target = None

      mappings = {bot.nick: self.nick, None: None}
      self.sender = mappings.get(target, target)

source = 'sbp!n=sbp@bia.crschmidt.net'
bot = type('Bot', (object,), {})
bot.nick = 'test'
args = ['PRIVMSG', '#swhack']

before = time.clock()

for i in xrange(100000): 
   origin = OldOrigin(source)
   origin.setSender(bot.nick, args)
   del origin

after = time.clock()

print 'OLD:', after - before

before = time.clock()

for i in xrange(100000): 
   origin = NewOrigin(bot, source, args)
   del origin

after = time.clock()

print 'NEW:', after - before

before = time.clock()

for i in xrange(500000): 
   origin = OldOrigin(source)
   origin.setSender(bot.nick, args)
   del origin

after = time.clock()

print 'OLD:', after - before

before = time.clock()

for i in xrange(500000): 
   origin = NewOrigin(bot, source, args)
   del origin

after = time.clock()

print 'NEW:', after - before