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test_alignment_pretrained.py
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test_alignment_pretrained.py
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import os
import shutil
from montreal_forced_aligner.alignment import PretrainedAligner
from montreal_forced_aligner.db import PhoneInterval, Utterance, WordInterval
def test_align_sick(
english_dictionary, english_acoustic_model, basic_corpus_dir, temp_dir, test_align_config
):
temp = os.path.join(temp_dir, "align_export_temp")
a = PretrainedAligner(
corpus_directory=basic_corpus_dir,
dictionary_path=english_dictionary,
acoustic_model_path=english_acoustic_model,
temporary_directory=temp,
debug=True,
verbose=True,
**test_align_config
)
a.align()
export_directory = os.path.join(temp_dir, "test_align_export")
shutil.rmtree(export_directory, ignore_errors=True)
assert "AY_S" in a.phone_mapping
a.export_files(export_directory)
assert os.path.exists(os.path.join(export_directory, "michael", "acoustic_corpus.TextGrid"))
def test_align_one(
english_dictionary, english_acoustic_model, basic_corpus_dir, temp_dir, test_align_config
):
temp = os.path.join(temp_dir, "align_one_temp")
a = PretrainedAligner(
corpus_directory=basic_corpus_dir,
dictionary_path=english_dictionary,
acoustic_model_path=english_acoustic_model,
temporary_directory=temp,
debug=True,
verbose=True,
clean=True,
**test_align_config
)
a.setup()
with a.session() as session:
utterance = session.query(Utterance).first()
assert utterance.alignment_log_likelihood is None
assert utterance.features is not None
assert len(utterance.phone_intervals) == 0
a.align_one_utterance(utterance, session)
with a.session() as session:
utterance = session.query(Utterance).first()
assert utterance.alignment_log_likelihood is not None
assert len(utterance.phone_intervals) > 0
with a.session() as session:
session.query(Utterance).update({"features": None, "alignment_log_likelihood": None})
session.query(PhoneInterval).delete()
session.query(WordInterval).delete()
session.commit()
with a.session() as session:
utterance = session.query(Utterance).first()
assert utterance.alignment_log_likelihood is None
assert utterance.features is None
assert len(utterance.phone_intervals) == 0
a.align_one_utterance(utterance, session)
with a.session() as session:
utterance = session.query(Utterance).first()
assert utterance.alignment_log_likelihood is not None
assert utterance.features is None
assert len(utterance.phone_intervals) > 0