gavin

#!/usr/bin/env python

import math

basenums = [ "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"]
tensnums = [ "twenty", "thirty", "fourty", "fifty", "sixty", "seventy", "eighty", "ninety"]
modnums = ["hundred", "thousand", "million", "billion", "trillion", "quadrillion", "quintillion", "sextillion", "septillion", "octillion","nontillion", "decillion", "undecillion", "duodecillion", "tredecillion", "quattuordecillion", "quindecillion", "sexdecillion", "septendecillion", "octodecillion", "novemdecillion", "vigintillion"]

largest  = 10**66 - 1

def int_to_word(val):
  if val < 0:
    neg = "negative "
    val = -val
  else:
    neg = ""

  if val > largest:
    return "a very large "+neg+"number"

  if val < 20:
    return neg + basenums[val]

  if val < 100:
    tens = (val - (val % 10))
    if val - tens == 0:
      v = ""
    else:
      v = "-"+int_to_word(val - tens)
    return neg + tensnums[tens/10 - 2] + v

  if val < 1000:
    return neg + int_to_word(val / 100) + " " + modnums[0] + " " + int_to_word(val - (val/100) * 100)

  # how many thousands blocks we have
  places = int(math.floor(math.log(val, 1000)))
  # multiples of this
  between = (val) / (1000**places)
  return neg + int_to_word(between) + " " + modnums[places] + " " + int_to_word(val - between * 1000**places)


def get_words_from_a_number_which_is_passed_as_a_perimeter_into_this_function(p_mode, p_numerical_value_equiv):
  return int_to_word(int(p_numerical_value_equiv.replace(",", "")))

def bottles_of_beer(start=999):
  def get_bottles(amt):
    if amt == 1:
      return "bottle of beer"
    return "bottles of beer"

  w = int_to_word(start)
  print w.capitalize(), get_bottles(start), "on the wall,", w, get_bottles(start)+", take one down and pass it around,",

  for num in range(start-1, 0, -1):
    word = int_to_word(num)

    print word, get_bottles(num), "on the wall!"
    print word.capitalize(), get_bottles(num), "on the wall,", word, get_bottles(num)+", take one down and pass it around,",

  num -= 1
  print int_to_word(num), get_bottles(num), "on the wall!"

if __name__ == "__main__":
  bottles_of_beer(32)

  print int_to_word(56)
  print int_to_word(7)
  print int_to_word(15)
  print int_to_word(532)
  print int_to_word(519)
  print int_to_word(5299)
  print int_to_word(99999)
  print int_to_word(999392)
  print int_to_word(1234561)
  print int_to_word(3345291)
  print int_to_word(333242212)
  print int_to_word(-9289234215)
  print int_to_word(2342342341235)
  print int_to_word(234324123412342352134123451432452342348328821388283475278482134234)
  print int_to_word(-23432412341234235213412345143245234234832882138828347527848213423435)