#!/usr/bin/python
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# -*- coding: utf-8 -*-
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from argparse import ArgumentParser
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from time import perf_counter
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from typing import List
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from fun_text_processing.text_normalization.data_loader_utils import load_file, write_file
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from fun_text_processing.text_normalization.normalize import Normalizer
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from fun_text_processing.text_normalization.token_parser import TokenParser
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class InverseNormalizer(Normalizer):
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"""
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Inverse normalizer that converts text from spoken to written form. Useful for ASR postprocessing.
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Input is expected to have no punctuation outside of approstrophe (') and dash (-) and be lower cased.
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Args:
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lang: language specifying the ITN
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cache_dir: path to a dir with .far grammar file. Set to None to avoid using cache.
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overwrite_cache: set to True to overwrite .far files
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"""
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def __init__(
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self,
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lang: str = "en",
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cache_dir: str = None,
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overwrite_cache: bool = False,
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enable_standalone_number: bool = True,
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enable_0_to_9: bool = True,
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):
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if lang == "en":
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from fun_text_processing.inverse_text_normalization.en.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.en.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "id":
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from fun_text_processing.inverse_text_normalization.id.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.id.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "ja":
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from fun_text_processing.inverse_text_normalization.ja.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.ja.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "es":
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from fun_text_processing.inverse_text_normalization.es.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.es.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "pt":
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from fun_text_processing.inverse_text_normalization.pt.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.pt.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "ru":
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from fun_text_processing.inverse_text_normalization.ru.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.ru.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "de":
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from fun_text_processing.inverse_text_normalization.de.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.de.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "fr":
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from fun_text_processing.inverse_text_normalization.fr.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.fr.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "vi":
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from fun_text_processing.inverse_text_normalization.vi.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.vi.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "ko":
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from fun_text_processing.inverse_text_normalization.ko.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.ko.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "zh":
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from fun_text_processing.inverse_text_normalization.zh.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.zh.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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elif lang == "tl":
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from fun_text_processing.inverse_text_normalization.tl.taggers.tokenize_and_classify import (
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ClassifyFst,
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)
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from fun_text_processing.inverse_text_normalization.tl.verbalizers.verbalize_final import (
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VerbalizeFinalFst,
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)
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self.tagger = ClassifyFst(cache_dir=cache_dir, overwrite_cache=overwrite_cache)
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self.verbalizer = VerbalizeFinalFst()
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self.parser = TokenParser()
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self.lang = lang
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self.convert_number = enable_standalone_number
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self.enable_0_to_9 = enable_0_to_9
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def inverse_normalize_list(self, texts: List[str], verbose=False) -> List[str]:
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"""
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NeMo inverse text normalizer
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Args:
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texts: list of input strings
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verbose: whether to print intermediate meta information
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Returns converted list of input strings
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"""
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# print(texts)
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return self.normalize_list(texts=texts, verbose=verbose)
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def inverse_normalize(self, text: str, verbose: bool) -> str:
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"""
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Main function. Inverse normalizes tokens from spoken to written form
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e.g. twelve kilograms -> 12 kg
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Args:
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text: string that may include semiotic classes
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verbose: whether to print intermediate meta information
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Returns: written form
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"""
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print(text)
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return self.normalize(text=text, verbose=verbose)
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def str2bool(s, default=False):
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s = s.lower()
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if s == "true":
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return True
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elif s == "false":
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return False
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else:
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return default
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def parse_args():
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parser = ArgumentParser()
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input = parser.add_mutually_exclusive_group()
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input.add_argument("--text", dest="input_string", help="input string", type=str)
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input.add_argument("--input_file", dest="input_file", help="input file path", type=str)
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parser.add_argument("--output_file", dest="output_file", help="output file path", type=str)
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parser.add_argument(
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"--language",
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help="language",
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choices=["en", "id", "ja", "de", "es", "pt", "ru", "fr", "vi", "ko", "zh", "tl"],
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default="en",
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type=str,
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)
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parser.add_argument("--verbose", help="print info for debugging", action="store_true")
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parser.add_argument(
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"--overwrite_cache", help="set to True to re-create .far grammar files", action="store_true"
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)
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parser.add_argument(
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"--cache_dir",
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help="path to a dir with .far grammar file. Set to None to avoid using cache",
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default=None,
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type=str,
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)
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parser.add_argument(
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"--enable_standalone_number", type=str, default="True", help="enable standalone number"
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)
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parser.add_argument(
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"--enable_0_to_9", type=str, default="True", help="enable convert number 0 to 9"
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)
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return parser.parse_args()
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if __name__ == "__main__":
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args = parse_args()
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start_time = perf_counter()
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if args.language == "ja":
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inverse_normalizer = InverseNormalizer(
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lang=args.language,
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cache_dir=args.cache_dir,
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overwrite_cache=args.overwrite_cache,
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enable_standalone_number=str2bool(args.enable_standalone_number),
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enable_0_to_9=str2bool(args.enable_0_to_9),
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)
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else:
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inverse_normalizer = InverseNormalizer(
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lang=args.language, cache_dir=args.cache_dir, overwrite_cache=args.overwrite_cache
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)
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print(f"Time to generate graph: {round(perf_counter() - start_time, 2)} sec")
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if args.input_string:
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print(inverse_normalizer.inverse_normalize(args.input_string, verbose=args.verbose))
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elif args.input_file:
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print("Loading data: " + args.input_file)
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data = load_file(args.input_file)
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print("- Data: " + str(len(data)) + " sentences")
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prediction = inverse_normalizer.inverse_normalize_list(data, verbose=args.verbose)
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if args.output_file:
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write_file(args.output_file, prediction)
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print(f"- Denormalized. Writing out to {args.output_file}")
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else:
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print(prediction)
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