grammar.py

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#! /usr/bin/env python
 
# Make python 2/3 compatible
from __future__ import (absolute_import, division,
                        print_function, unicode_literals)
from builtins import *
 
from speech_recognition.kaldi_grammar import Grammar
 
if __name__ == "__main__":
    import sys
    import os
    import subprocess
 
    try:
        grammar_file = sys.argv[1]
        target = sys.argv[2]
    except:
        grammar_file = 'current_grammar.fcfg'
        target = 'T'
 
    dummy_model_path = os.path.dirname(os.path.realpath(__file__))
 
    k = Grammar(dummy_model_path, grammar_file, target)
    k.print_graphviz()
 
    subprocess_exit_status = subprocess.call(["mkdynamicgrammar.bash",
        k.model_path, k.model_path_tmp])
 
    if subprocess_exit_status == 1:
        raise Exception("Subprocess error")
 
    test_sentence_1 = "bring me the coke"
    test_sentence_2 = "bring the coke to the kitchen"
 
    s1 = k.parse(test_sentence_1)
    s2 = k.parse(test_sentence_2)
 
    print("Parser output for '{}': ".format(test_sentence_1), s1)
    print("Parser output for '{}': ".format(test_sentence_2), s2)