| |
|
|
| from sprakbanken_normalizer.inverse_text_normalizer import inv_normalize |
| import re |
|
|
|
|
| def filter_backslash(text, left=True): |
| """Substitute backslash notation with the word to the left or right of it.""" |
| regx = re.compile(r"\b([\w_-]+)\\([\w_-]+)\b") |
| if left: |
| return regx.sub(r"\1", text) |
| else: |
| return regx.sub(r"\2", text) |
|
|
| def remove_repeats(text): |
| """Remove repeated words.""" |
| return re.sub(r"\b(\w+\s+)(\1){1,10}", "\1", text) |
|
|
| def bracket_metatags(text): |
| """Enclose unintelligible, foreign, overlapping and unknown words in angle brackets.""" |
| regx = re.compile(r"%(unint|foreign|unk|overlapping)") |
| return regx.sub(r"<\1>", text) |
|
|
| def remove_metatags(text): |
| """Remove metatags for hesitations, laughter, paralinguistic sounds etc.""" |
| return re.sub(r"%\w+\s", "", text) |
|
|
| def remove_percentage_sign(text): |
| """Remove percentage sign.""" |
| return re.sub(r"%", "", text) |
|
|
| def remove_false_starts(text): |
| """Remove annotations of false starts and interruptions.""" |
| return re.sub(r"\s\w+£", "", text) |
|
|
| def remove_pound_sign(text): |
| """Remove pound sign.""" |
| return re.sub(r"£", "", text) |
|
|
| def replace_underscore(text): |
| """Replace underscore with a single whitespace.""" |
| return re.sub(r"_", " ", text) |
|
|
| def remove_punctuation(text): |
| """Remove punctuation.""" |
| return re.sub(r"[,\.\!\'-]", "", text) |
|
|
| def normalize_number_words(text): |
| """Normalize number words to integers.""" |
| |
| |
| inv_norm = inv_normalize(text) |
| return inv_norm |
|
|
|
|
|
|
| def normalize_transcription(transcription: str, config="annotations"): |
| """Normalize transcriptions according to orthographic standards, or verbatim.""" |
| t = transcription |
| if config == "annotations": |
| |
| return t |
| if config == "orthographic": |
| t = remove_metatags(t) |
| t = remove_false_starts(t) |
| t = re.sub(r"CO-to", "CO2", t) |
| t = filter_backslash(t, left=False) |
| t = normalize_number_words(t) |
| elif config == "verbatim": |
| t = bracket_metatags(t) |
| t = remove_percentage_sign(t) |
| t = remove_pound_sign(t) |
| t = re.sub(r"C_O-to", "C O to", t) |
| |
| t = filter_backslash(t, left=True) |
| t = remove_punctuation(t) |
| t = replace_underscore(t) |
| return t |
|
|
