build_reference.py
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#!/usr/bin/env python
# encoding: utf-8
from __future__ import unicode_literals
from __future__ import print_function
import glob
import sys
import os
import codecs
def build_reference(wav_scp, ref_path):
print(wav_scp, ref_path)
with codecs.open(ref_path, 'w', 'utf-8') as w:
with codecs.open(wav_scp, 'r', 'utf-8') as scp:
for line in scp:
name, wavpath = line.strip().split(' ', 1)
with codecs.open(wavpath + '.trn', 'r', 'utf-8') as trn:
trans = trn.read().strip()
w.write(u'%s %s\n' % (name, trans))
if __name__ == '__main__':
usage = '''
Usage: python %(exec)s (audio_directory|in.scp) decode_directory
Where directory contains files "*.scp" and
audio files "*.wav" and their transcriptions "*.wav.trn".
The "*.scp" files contains of list wav names and their path.
The %(exec)s looks for "*.scp" files builds a reference from "*.wav.trn"
'''
usage_args = {'exec': sys.argv[0]}
if len(sys.argv) != 3:
print("Wrong number of arguments", file=sys.stderr)
print(usage % {'exec': sys.argv[0]}, file=sys.stderr)
sys.exit(1)
if sys.argv[1].endswith('scp'):
scps = [sys.argv[1]]
else:
scps = glob.glob(os.path.join(sys.argv[1], '*.scp'))
target_dir = sys.argv[2]
if not len(scps):
print("No '*.scp' files found", file=sys.stderr)
print(usage % {'exec': sys.argv[0]}, file=sys.stderr)
sys.exit(1)
if not os.path.isdir(target_dir):
print("No '*.scp' files found", file=sys.stderr)
print(usage % {'exec': sys.argv[0]}, file=sys.stderr)
sys.exit(1)
refers = [os.path.join(target_dir, os.path.basename(scp) + '.tra') for scp in scps]
for scp, refer in zip(scps, refers):
build_reference(scp, refer)