spaCy/spacy/lang/sr/lex_attrs.py
Adriane Boyd 6f314f99c4
Use Latin normalization for Serbian attrs (#12608)
* Use Latin normalization for Serbian attrs

Use Latin normalization for Serbian `NORM`, `PREFIX`, and `SUFFIX`.

* Update NORMs in tokenizer exceptions and related tests

* Add tests for all custom lex attrs

* Remove unused imports
2023-05-08 12:33:56 +02:00

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from ...attrs import LIKE_NUM, NORM, PREFIX, SUFFIX
_num_words = [
"нула",
"један",
"два",
"три",
"четири",
"пет",
"шест",
"седам",
"осам",
"девет",
"десет",
"једанаест",
"дванаест",
"тринаест",
"четрнаест",
"петнаест",
"шеснаест",
"седамнаест",
"осамнаест",
"деветнаест",
"двадесет",
"тридесет",
"четрдесет",
"педесет",
"шездесет",
"седамдесет",
"осамдесет",
"деведесет",
"сто",
"двеста",
"триста",
"четиристо",
"петсто",
"шестсто",
"седамсто",
"осамсто",
"деветсто",
"хиљаду",
"милион",
"милијарду",
"трилион",
"квадрилион",
"квинтилион",
]
def like_num(text):
if text.startswith(("+", "-", "±", "~")):
text = text[1:]
text = text.replace(",", "").replace(".", "")
if text.isdigit():
return True
if text.count("/") == 1:
num, denom = text.split("/")
if num.isdigit() and denom.isdigit():
return True
if text.lower() in _num_words:
return True
return False
def _cyr_to_latin_norm(text):
# fmt: off
# source: https://github.com/opendatakosovo/cyrillic-transliteration/blob/v1.1.1/cyrtranslit/mapping.py
SR_CYR_TO_LAT_DICT = {
u'А': u'A', u'а': u'a',
u'Б': u'B', u'б': u'b',
u'В': u'V', u'в': u'v',
u'Г': u'G', u'г': u'g',
u'Д': u'D', u'д': u'd',
u'Ђ': u'Đ', u'ђ': u'đ',
u'Е': u'E', u'е': u'e',
u'Ж': u'Ž', u'ж': u'ž',
u'З': u'Z', u'з': u'z',
u'И': u'I', u'и': u'i',
u'Ј': u'J', u'ј': u'j',
u'К': u'K', u'к': u'k',
u'Л': u'L', u'л': u'l',
u'Љ': u'Lj', u'љ': u'lj',
u'М': u'M', u'м': u'm',
u'Н': u'N', u'н': u'n',
u'Њ': u'Nj', u'њ': u'nj',
u'О': u'O', u'о': u'o',
u'П': u'P', u'п': u'p',
u'Р': u'R', u'р': u'r',
u'С': u'S', u'с': u's',
u'Т': u'T', u'т': u't',
u'Ћ': u'Ć', u'ћ': u'ć',
u'У': u'U', u'у': u'u',
u'Ф': u'F', u'ф': u'f',
u'Х': u'H', u'х': u'h',
u'Ц': u'C', u'ц': u'c',
u'Ч': u'Č', u'ч': u'č',
u'Џ': u'', u'џ': u'',
u'Ш': u'Š', u'ш': u'š',
}
# fmt: on
return "".join(SR_CYR_TO_LAT_DICT.get(c, c) for c in text)
def norm(text):
return _cyr_to_latin_norm(text).lower()
def prefix(text):
return _cyr_to_latin_norm(text)[0]
def suffix(text):
return _cyr_to_latin_norm(text)[-3:]
LEX_ATTRS = {LIKE_NUM: like_num, NORM: norm, PREFIX: prefix, SUFFIX: suffix}