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#!/usr/bin/python
# -*- coding: utf-8 -*-

# Written for Python 2.x
# Tested in Python 2.5.2


# Idea and implementation of the original Kenny Translator idea by Kohan Ikin
# http://www.namesuppressed.com/kenny/
#
# Reimplementation in Python by Stefan Bilsing
#
# Copyright (c) 2010 Stefan Bilsing
#
# This is free software.
# Feel free to copy, modify, distribute it.
#
# 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 sys		# System Arguments
import re		# Regular Expressions
import string	# Advanced String Functions


class KennyTranslator:

	def kennify(self, text):
		"""
		Translates the text into Kenny speak
		"""
		encoded = ''
		codemap = string.maketrans('012', 'mpf')
		for i in range(len(text)):
			if re.match('[A-Za-z]', text[i]):
				# 'V' -> 21
				num = ord(text[i].lower()) - ord('a')
				# Base 10 -> Base 3
				num = (num/9)*100 + ((num%9)/3)*10 + (num%9)%3
				# 210 -> 'Fpm'
				triple = ("%03d"%num).translate(codemap)
				if text[i].isupper():
					triple = triple.capitalize()
				encoded = encoded + triple
			
			else:
				encoded = encoded + text[i]
		return encoded
		

	def unkennify(self, text):
		"""
		Translates the Kenny speak back to normal
		"""
		decoded = ''
		codemap = string.maketrans('MmPpFf', '001122')
		nLen = len(text)
		i = 0
		while i+3 <= nLen:
			if re.match('[MmPpFf]{3,}', text[i:i+3]):
				# 'mpf' -> '012' -> 5
				num = int( text[i:i+3].translate(codemap), 3)
				# 5 -> 'f'
				cypher = chr(num + ord('a'))
				if text[i].isupper():
					cypher = cypher.upper()
				decoded = decoded + cypher
				i = i + 3
		
			else:
				decoded = decoded + text[i]
				i = i + 1
	
		if i < nLen:
			decoded = decoded + text[i:]
		return decoded
		
		
	def iskennified(self, text):
		"""
		Is there any alphanumeric character besides F, M and P ?
		"""
		return not re.search('[A-EG-LNOQ-Za-eg-lnoq-z]', text)


if __name__ == '__main__':
	usage = """
Kenny Translator
usage: 
	python Kenny.py [-k|-u] <text>
	-k kennify text
	-u unkennify text
examples:
	python Kenny.py -k 'Hello World'
	python Kenny.py -u 'Mfpmpppmfpmfppf Fppppfpffpmfmpm'
	"""
	
	nLen = len(sys.argv)
	text = ''
	
	if nLen < 2:
		print usage
	elif nLen < 3 and (sys.argv[1] == '-k' or sys.argv[1] == '-u'):
		print usage
	else:
		if sys.argv[1] == '-k' or sys.argv[1] == '-u':
			iStart = 2		
		else:
			iStart = 1
		if iStart == nLen - 1:
			text = sys.argv[iStart]
		else:
			for i in range( iStart, nLen):
				text = text + sys.argv[i] + ' '
		if sys.argv[1] == '-k':
			bDoKenny = True
		elif sys.argv[1] == '-u':
			bDoKenny = False
		else:
			bDoKenny = not KennyTranslator().iskennified(text)
		
		if bDoKenny:
			print KennyTranslator().kennify(text)
		else:
			print KennyTranslator().unkennify(text)