46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
"""Find all the unique characters in a dataset"""
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import argparse
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from argparse import RawTextHelpFormatter
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from TTS.config import load_config
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from TTS.tts.datasets import load_tts_samples
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def main():
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# pylint: disable=bad-option-value
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parser = argparse.ArgumentParser(
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description="""Find all the unique characters or phonemes in a dataset.\n\n"""
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"""
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Example runs:
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python TTS/bin/find_unique_chars.py --config_path config.json
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""",
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formatter_class=RawTextHelpFormatter,
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)
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parser.add_argument("--config_path", type=str, help="Path to dataset config file.", required=True)
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args = parser.parse_args()
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c = load_config(args.config_path)
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# load all datasets
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train_items, eval_items = load_tts_samples(
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c.datasets, eval_split=True, eval_split_max_size=c.eval_split_max_size, eval_split_size=c.eval_split_size
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)
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items = train_items + eval_items
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texts = "".join(item["text"] for item in items)
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chars = set(texts)
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lower_chars = filter(lambda c: c.islower(), chars)
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chars_force_lower = [c.lower() for c in chars]
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chars_force_lower = set(chars_force_lower)
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print(f" > Number of unique characters: {len(chars)}")
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print(f" > Unique characters: {''.join(sorted(chars))}")
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print(f" > Unique lower characters: {''.join(sorted(lower_chars))}")
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print(f" > Unique all forced to lower characters: {''.join(sorted(chars_force_lower))}")
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if __name__ == "__main__":
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main()
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