def _get_data_prep_params_from_flags():
"""Get parameters for data prep pipeline from flags."""
if not FLAGS.output_filename:
raise ValueError('Must provide output filename.')
if not FLAGS.comma_escape_char:
raise ValueError('`FLAGS.comma_escape_char` must be provided.')
run_data_prep = True
if FLAGS.train_input_glob: # Explicitly pass globs.
if not FLAGS.validation_input_glob:
raise ValueError(
'If using globs, must supply `validation_input_glob.`')
if not FLAGS.test_input_glob:
raise ValueError('If using globs, must supply `test_input_glob.`')
input_filenames_list, output_filenames = [], []
for input_glob, name in [(FLAGS.train_input_glob, 'train'),
(FLAGS.validation_input_glob, 'validation'),
(FLAGS.test_input_glob, 'test')]:
FLAGS.input_glob = input_glob
cur_inputs, cur_outputs, prep_params = utils.get_beam_params_from_flags(
)
if len(cur_outputs) != 1:
raise ValueError(f'`cur_outputs` too long: {cur_outputs}')
cur_outputs = f'{cur_outputs[0]}.{name}'
input_filenames_list.extend(cur_inputs)
output_filenames.append(cur_outputs)
else: # Get params from a TFDS dataset.
if not FLAGS.tfds_dataset:
raise ValueError(
'Must supply TFDS dataset name if not globs provided.')
input_filenames_list, output_filenames, prep_params = utils.get_beam_params_from_flags(
)
if len(output_filenames) != 3:
raise ValueError(
f'Data prep output must be 3 files: {output_filenames}')
try:
# Check that inputs and flags are formatted correctly.
utils.validate_inputs(input_filenames_list, output_filenames,
prep_params['embedding_modules'],
prep_params['embedding_names'],
prep_params['module_output_keys'])
except ValueError:
if FLAGS.skip_existing_error:
# Check if there are any files left after filtering. Return the expected
# locations, though, and remove.
_, output_filenames_filtered = _remove_existing_outputs(
input_filenames_list, output_filenames)
if not output_filenames_filtered:
run_data_prep = False
else:
raise
return prep_params, input_filenames_list, output_filenames, run_data_prep
def test_read_flags_and_create_pipeline(self, data_prep_behavior):
"""Test that the read-from-flags and pipeline creation are synced."""
FLAGS.input_glob = os.path.join(absltest.get_default_test_srcdir(),
TEST_DIR, '*')
FLAGS.output_filename = os.path.join(
absltest.get_default_test_tmpdir(),
f'{data_prep_behavior}.tfrecord')
FLAGS.data_prep_behavior = data_prep_behavior
FLAGS.embedding_names = ['em1', 'em2']
FLAGS.embedding_modules = ['dummy_mod_loc']
FLAGS.module_output_keys = ['k1', 'k2']
FLAGS.sample_rate = 5
FLAGS.audio_key = 'audio_key'
FLAGS.label_key = 'label_key'
input_filenames_list, output_filenames, beam_params = audio_to_embeddings_beam_utils.get_beam_params_from_flags(
)
# Use the defaults, unless we are using TFLite models.
self.assertNotIn('module_call_fn', beam_params)
self.assertNotIn('setup_fn', beam_params)
# Check that the arguments run through.
audio_to_embeddings_beam_utils.data_prep_pipeline(
root=beam.Pipeline(),
input_filenames_or_glob=input_filenames_list[0],
output_filename=output_filenames[0],
data_prep_behavior=FLAGS.data_prep_behavior,
beam_params=beam_params,
suffix='s')
def main(_):
input_filenames_list, output_filenames, beam_params = utils.get_beam_params_from_flags(
)
# Check that inputs and flags are formatted correctly.
utils.validate_inputs(input_filenames_list=input_filenames_list,
output_filenames=output_filenames,
embedding_modules=beam_params['embedding_modules'],
embedding_names=beam_params['embedding_names'],
module_output_keys=beam_params['module_output_keys'])
logging.info('main: input_filenames_list: %s', input_filenames_list)
logging.info('main: output_filenames: %s', output_filenames)
logging.info('main: beam_params: %s', beam_params)
# If you have custom beam options, add them here.
beam_options = None
logging.info('Starting to create flume pipeline...')
with beam.Pipeline(beam_options) as root:
for i, (input_filenames_or_glob, output_filename) in enumerate(
zip(input_filenames_list, output_filenames)):
utils.data_prep_pipeline(
root=root,
input_filenames_or_glob=input_filenames_or_glob,
output_filename=output_filename,
data_prep_behavior=FLAGS.data_prep_behavior,
beam_params=beam_params,
suffix=str(i))
def main(unused_argv):
# Data prep setup.
run_data_prep = True
if FLAGS.train_input_glob:
assert FLAGS.validation_input_glob
assert FLAGS.test_input_glob
input_filenames_list, output_filenames = [], []
for input_glob in [
FLAGS.train_input_glob, FLAGS.validation_input_glob,
FLAGS.test_input_glob,
]:
FLAGS.input_glob = input_glob
cur_inputs, cur_outputs, beam_params = data_prep_utils.get_beam_params_from_flags(
)
input_filenames_list.extend(cur_inputs)
output_filenames.extend(cur_outputs)
else:
input_filenames_list, output_filenames, beam_params = data_prep_utils.get_beam_params_from_flags(
)
assert input_filenames_list, input_filenames_list
assert output_filenames, output_filenames
try:
# Check that inputs and flags are formatted correctly.
data_prep_utils.validate_inputs(
input_filenames_list, output_filenames,
beam_params['embedding_modules'], beam_params['embedding_names'],
beam_params['module_output_keys'])
except ValueError:
if FLAGS.skip_existing_error:
run_data_prep = False
else:
raise
logging.info('beam_params: %s', beam_params)
# Generate sklearn eval experiment parameters based on data prep flags.
if len(output_filenames) != 3:
raise ValueError(f'Data prep output must be 3 files: {output_filenames}')
# Make them globs.
train_glob, eval_glob, test_glob = [f'{x}*' for x in output_filenames]
sklearn_results_output_file = FLAGS.results_output_file
exp_params = sklearn_utils.experiment_params(
embedding_list=beam_params['embedding_names'],
speaker_id_name=FLAGS.speaker_id_key,
label_name=FLAGS.label_key,
label_list=FLAGS.label_list,
train_glob=train_glob,
eval_glob=eval_glob,
test_glob=test_glob,
save_model_dir=None,
save_predictions_dir=None,
eval_metric=FLAGS.eval_metric,
)
logging.info('exp_params: %s', exp_params)
# Make and run beam pipeline.
beam_options = None
if run_data_prep:
logging.info('Data prep on: %s, %s...', input_filenames_list,
output_filenames)
with beam.Pipeline(beam_options) as root:
for i, (input_filenames_or_glob, output_filename) in enumerate(
zip(input_filenames_list, output_filenames)):
data_prep_utils.make_beam_pipeline(
root,
input_filenames=input_filenames_or_glob,
output_filename=output_filename,
suffix=str(i),
**beam_params)
# Check that previous beam pipeline wrote outputs.
sklearn_utils.validate_flags(train_glob, eval_glob, test_glob,
sklearn_results_output_file)
logging.info('Eval sklearn...')
with beam.Pipeline(beam_options) as root:
_ = (
root
| 'MakeCollection' >> beam.Create(exp_params)
| 'CalcScores' >> beam.Map(
lambda d: (d, sklearn_utils.train_and_get_score(**d)))
| 'FormatText' >> beam.Map(sklearn_utils.format_text_line)
| 'Reshuffle' >> beam.Reshuffle()
| 'WriteOutput' >> beam.io.WriteToText(
sklearn_results_output_file, num_shards=1))
