#!/usr/bin/python -tt
#
# SILAN
# Simple IRC Log Analyzer
# http://slackforge.com/silan/
#
# Version 0.0.2
# An extremely simple IRC log analyzer --;
# Only supports dircproxy logs, because that's what I use
#
# Copyright (c) 2007 Shidayu <shidayu@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
##

##
# Import Other Modules
#

import os, re, stat, sys, glob, datetime, string, time, random


##
# Class Definitions
#

class Silan(object):
	""" Simple IRC Log Analyzer """
	
	def __init__(self):		
		##
		# Regular Expressions used by SILAN
		#
		self.re_rawlog = re.compile('^\[(\d\d) ([A-Z][a-z][a-z]) (\d\d):(\d\d)\] ([^\n\r\f\v]*)$')
		self.re_ownnick = re.compile('--- You changed your nickname to (\S*)')
		self.re_nickchange = re.compile('--- (\S*) \([^\t\n\r\f\v)]*\) changed nickname to (\S*)')
		self.re_quit = re.compile('<-- (\S*) \([^\t\n\r\f\v)]*\) quit from IRC: ([^\n\r\f\v]*)$')
		self.re_join = re.compile('--> (\S*) \([^\t\n\r\f\v)]*\) joined the channel$')
		self.re_part = re.compile('<-- (\S*) \([^\t\n\r\f\v)]*\) left the channel$')
		self.re_message = re.compile('<([^ \t\n\r\f\v!]*)![^\t\n\r\f\v>]*> ([^\n\r\f\v]*)$')
		self.re_describe = re.compile('\* (\S*) ([^\n\r\f\v]*)')
		self.re_topic = re.compile('--- (\S*) \([^\t\n\r\f\v)]*\) changed topic: ([^\t\n\r\f\v]*)$')
		self.re_kick = re.compile('<-- (\S*) kicked off by (\S*) \([^\t\n\r\f\v)]*\): ([^\n\r\f\v]*)$')
		self.re_ownkick = re.compile('<-- Kicked off by (\S*) \([^\t\n\r\f\v)]*\): ([^\n\r\f\v]*)$')
		self.re_nonword = re.compile('[^a-zA-Z0-9]*')
		self.re_channame = re.compile('^(\S*).log$')
		
		###
		# Month conversion Dictionary
		#
		self.fmt_month = {	"Jan": 1, "Feb": 2, "Mar": 3, "Apr": 4,
							"May": 5, "Jun": 6, "Jul": 7, "Aug": 8,
							"Sep": 9, "Oct": 10, "Nov": 11, "Dec": 12	}
							
					
class Line(object):
	""" Line of log data with date and time """
	
	def __init__(self, dttm, text):
		self.dttm = dttm
		self.text = text
		
	def wordcount(self):
		return len(self.text.split())


class UserLine(Line):
	""" Line of log data that includes user instance """
	
	def __init__(self, dttm, user, text):
		Line.__init__(self, dttm, text)
		self.user = user
		
		
class Message(UserLine):
	""" Standard IRC message from a user """
	
	def __init__(self, dttm, user, text):
		UserLine.__init__(self, dttm, user, text)
		
		
class Describe(UserLine):
	""" Describe or action from a user """
	
	def __init__(self, dttm, user, text):
		UserLine.__init__(self, dttm, user, text)
		
		
class Topic(UserLine):
	""" Channel topic """		
				
	def __init__(self, dttm, user, text):
		UserLine.__init__(self, dttm, user, text)
		
	
class Network(object):
	""" IRC network """
	
	def __init__(self, name="default"):
		self.name = name
		self.channels = []
		self.users = []
		
	def get_channel(self, channame):
		for netchannel in channels:
			if string.lower(channame) == string.lower(netchannel.name) :
				return netchannel
		
		newchannel = Channel(channame)
		self.channels.append(newchannel)
		
		return newchannel
		
	def get_user(self, nickname):
		for netuser in users:
			if string.lower(nickname) == string.lower(user.name)  or string.lower(nickname) in map(lambda alt: string.lower(alt), netuser.alternates):
				return netuser
				
		newuser = User(nickname)
		self.users.append(newuser)

		
class Channel(object):
	""" IRC channel """
	
	def __init__(self, name):
		self.name = name
		self.users = []
		self.topics = []
		self.messages = []
		self.describes = []
		self.kicks = []

class User(object):
	""" IRC user """
	
	def __init__(self, name):
		self.name = name
		
	
		

			
			
	
##
# Functions
#
	
def main():
	app_version = "0.0.2"
	
	print '\n\nSILAN', app_version, '- Simple IRC Log Analyzer - http://slackforge.com/silan/'
	print 'Copyright (c) 2007 Shidayu <shidayu@gmail.com>'

	try:
		appinstance = Silan()
	except:
		print "An unexpected error has occurred:", sys.exc_info()[0]
		raise

##
# Begin Here!
#

if __name__=="__main__":
	main()