spaCy/spacy/lang/char_classes.py
Tahar Zanouda 00417794d3 Add Arabic language (#2314)
* added support for Arabic lang

* added Arabic language support

* updated conftest
2018-05-15 00:27:19 +02:00

60 lines
2.5 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# coding: utf8
from __future__ import unicode_literals
import regex as re
re.DEFAULT_VERSION = re.VERSION1
merge_char_classes = lambda classes: '[{}]'.format('||'.join(classes))
split_chars = lambda char: list(char.strip().split(' '))
merge_chars = lambda char: char.strip().replace(' ', '|')
_bengali = r'[\p{L}&&\p{Bengali}]'
_hebrew = r'[\p{L}&&\p{Hebrew}]'
_latin_lower = r'[\p{Ll}&&\p{Latin}]'
_latin_upper = r'[\p{Lu}&&\p{Latin}]'
_latin = r'[[\p{Ll}||\p{Lu}]&&\p{Latin}]'
_persian = r'[\p{L}&&\p{Arabic}]'
_russian_lower = r'[ёа-я]'
_russian_upper = r'[ЁА-Я]'
_upper = [_latin_upper, _russian_upper]
_lower = [_latin_lower, _russian_lower]
_uncased = [_bengali, _hebrew, _persian]
ALPHA = merge_char_classes(_upper + _lower + _uncased)
ALPHA_LOWER = merge_char_classes(_lower + _uncased)
ALPHA_UPPER = merge_char_classes(_upper + _uncased)
_units = ('km km² km³ m m² m³ dm dm² dm³ cm cm² cm³ mm mm² mm³ ha µm nm yd in ft '
'kg g mg µg t lb oz m/s km/h kmh mph hPa Pa mbar mb MB kb KB gb GB tb '
'TB T G M K % км км² км³ м м² м³ дм дм² дм³ см см² см³ мм мм² мм³ нм '
'кг г мг м/с км/ч кПа Па мбар Кб КБ кб Мб МБ мб Гб ГБ гб Тб ТБ тб'
'كم كم² كم³ م م² م³ سم سم² سم³ مم مم² مم³ كم غرام جرام جم كغ ملغ كوب اكواب')
_currency = r'\$ £ € ¥ ฿ US\$ C\$ A\$ ₽ ﷼'
# These expressions contain various unicode variations, including characters
# used in Chinese (see #1333, #1340, #1351) unless there are cross-language
# conflicts, spaCy's base tokenizer should handle all of those by default
_punct = r'… …… , : ; \! \? ¿ ؟ ¡ \( \) \[ \] \{ \} < > _ # \* & 。 · । ، ؛ ٪'
_quotes = r'\' \'\' " ” “ `` ` ´ , „ » « 「 」 『 』 【 】 《 》 〈 〉'
_hyphens = '- — -- --- —— ~'
# Various symbols like dingbats, but also emoji
# Details: https://www.compart.com/en/unicode/category/So
_other_symbols = r'[\p{So}]'
UNITS = merge_chars(_units)
CURRENCY = merge_chars(_currency)
QUOTES = merge_chars(_quotes)
PUNCT = merge_chars(_punct)
HYPHENS = merge_chars(_hyphens)
ICONS = _other_symbols
LIST_UNITS = split_chars(_units)
LIST_CURRENCY = split_chars(_currency)
LIST_QUOTES = split_chars(_quotes)
LIST_PUNCT = split_chars(_punct)
LIST_HYPHENS = split_chars(_hyphens)
LIST_ELLIPSES = [r'\.\.+', '']
LIST_ICONS = [_other_symbols]