#!/usr/bin/env python
  
  # Copyright 2015  Minhua Wu
  # Apache 2.0
  
  # convert acronyms in swbd decode result to fisher convention
  # e.g. convert things like en_4156 B 414.26 0.65 u._c._l._a. to
  # en_4156 B 414.26 0.16 u
  # en_4156 B 414.42 0.16 c
  # en_4156 B 414.58 0.16 l
  # en_4156 B 414.74 0.17 a
  
  from __future__ import division
  import argparse,re
  __author__ = 'Minhua Wu'
   
  parser = argparse.ArgumentParser(description='format acronyms from a._b._c. to a b c')
  parser.add_argument('-i','--input', help='Input ctm file ',required=True)
  parser.add_argument('-o','--output',help='Output ctm file', required=True)
  args = parser.parse_args()
  
  fin = open(args.input,"r")
  fout = open(args.output, "w")
  
  for line in fin:
      items = line.split()
      
      if items[4].find(".") != -1:
          letters = items[4].split("._")
          acronym_period = round(float(items[3]), 2)
          letter_slot = round(acronym_period/len(letters), 2)
          time_start = round(float(items[2]), 2)
          for l in letters[:-1]:
              time = " %.2f %.2f " % (time_start, letter_slot)
              fout.write(' '.join(items[:2])+ time + l + "
  ")
              time_start = time_start + letter_slot
          last_slot = acronym_period - letter_slot * (len(letters) - 1)
          time = " %.2f %.2f " % (time_start, last_slot)
          letters[-1] = re.sub(r"\.'s", "'s", letters[-1])
          letters[-1] = re.sub(r"\.s", "'s", letters[-1])        
          fout.write(' '.join(items[:2])+ time + letters[-1].replace('.','') + "
  ")
      else:
          fout.write(line)