spaCy/spacy/lang/char_classes.py
ines a8e58e04ef Add symbols class to punctuation rules to handle emoji (see #1088)
Currently doesn't work for Hungarian, because of conflicts with the
custom punctuation rules. Also doesn't take multi-character emoji like
👩🏽‍💻 into account.
2017-05-27 17:57:10 +02:00

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# 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}]'
_upper = [_latin_upper]
_lower = [_latin_lower]
_uncased = [_bengali, _hebrew]
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')
_currency = r'\$ £ € ¥ ฿ US\$ C\$ A\$'
_punct = r'… , : ; \! \? ¿ ¡ \( \) \[ \] \{ \} < > _ # \* &'
_quotes = r'\' \'\' " ” “ `` ` ´ , „ » «'
_hyphens = '- — -- ---'
_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]