view experiments/scripts/cnbh-syllables/run_training_and_testing/gen_hhed_script.py @ 610:01986636257a

Second check-in of Alex Brandmeyer's C++ implementation of CARFAC. Addressed style issues and completed implementation of remaining functions. Still needs proper testing of the output stages against the MATLAB version, and runtime functions need improvements in efficiency.

#!/usr/bin/env python
# encoding: utf-8
"""
gen_hhed_script.py

Created by Thomas Walters on 2010-07-08.
"""

import sys
import getopt


help_message = '''
Generate an HTK HHed script to change the number of means in the output
distribution to num_means for the emitting states of an HMM with
total_hmm_states states
'''


class Usage(Exception):
  def __init__(self, msg):
    self.msg = msg


def main(argv=None):
  if argv is None:
    argv = sys.argv
  try:
    try:
      opts, args = getopt.getopt(argv[1:], "hn:s:v", ["help", "num_means=", "total_hmm_states="])
    except getopt.error, msg:
      raise Usage(msg)
  
    # defaults
    num_means = 3
    total_hmm_states = 6
    
    # option processing
    for option, value in opts:
      if option == "-v":
        verbose = True
      if option in ("-h", "--help"):
        raise Usage(help_message)
      if option in ("-n", "--num_means"):
        num_means = int(value)
      if option in ("-s", "--total_hmm_states"):
        total_hmm_states = int(value)
  
  except Usage, err:
    print >> sys.stderr, sys.argv[0].split("/")[-1] + ": " + str(err.msg)
    print >> sys.stderr, "\t for help use --help"
    return 2

  out_string = ""
  for state in xrange(2, total_hmm_states):
    out_string += ("MU " + str(num_means) + " {*.state[" + str(state) + "].mix} ")
  print out_string

if __name__ == "__main__":
  sys.exit(main())