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59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
# coding: utf8
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from __future__ import unicode_literals
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import regex as re
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re.DEFAULT_VERSION = re.VERSION1
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merge_char_classes = lambda classes: '[{}]'.format('||'.join(classes))
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split_chars = lambda char: list(char.strip().split(' '))
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merge_chars = lambda char: char.strip().replace(' ', '|')
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_bengali = r'[\p{L}&&\p{Bengali}]'
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_hebrew = r'[\p{L}&&\p{Hebrew}]'
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_latin_lower = r'[\p{Ll}&&\p{Latin}]'
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_latin_upper = r'[\p{Lu}&&\p{Latin}]'
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_latin = r'[[\p{Ll}||\p{Lu}]&&\p{Latin}]'
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_upper = [_latin_upper]
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_lower = [_latin_lower]
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_uncased = [_bengali, _hebrew]
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ALPHA = merge_char_classes(_upper + _lower + _uncased)
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ALPHA_LOWER = merge_char_classes(_lower + _uncased)
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ALPHA_UPPER = merge_char_classes(_upper + _uncased)
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_units = ('km km² km³ m m² m³ dm dm² dm³ cm cm² cm³ mm mm² mm³ ha µm nm yd in ft '
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'kg g mg µg t lb oz m/s km/h kmh mph hPa Pa mbar mb MB kb KB gb GB tb '
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'TB T G M K %')
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_currency = r'\$ £ € ¥ ฿ US\$ C\$ A\$'
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# These expressions contain various unicode variations, including characters
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# used in Chinese (see #1333, #1340, #1351) – unless there are cross-language
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# conflicts, spaCy's base tokenizer should handle all of those by default
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_punct = r'… …… , : ; \! \? ¿ ¡ \( \) \[ \] \{ \} < > _ # \* & 。 ？ ！ ， 、 ； ： ～ · ।'
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_quotes = r'\' \'\' " ” “ `` ` ‘ ´ ‘‘ ’’ ‚ , „ » « 「 」 『 』 （ ） 〔 〕 【 】 《 》 〈 〉'
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_hyphens = '- – — -- --- —— ~'
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# Various symbols like dingbats, but also emoji
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# Details: https://www.compart.com/en/unicode/category/So
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_other_symbols = r'[\p{So}]'
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UNITS = merge_chars(_units)
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CURRENCY = merge_chars(_currency)
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QUOTES = merge_chars(_quotes)
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PUNCT = merge_chars(_punct)
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HYPHENS = merge_chars(_hyphens)
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ICONS = _other_symbols
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LIST_UNITS = split_chars(_units)
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LIST_CURRENCY = split_chars(_currency)
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LIST_QUOTES = split_chars(_quotes)
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LIST_PUNCT = split_chars(_punct)
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LIST_HYPHENS = split_chars(_hyphens)
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LIST_ELLIPSES = [r'\.\.+', '…']
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LIST_ICONS = [_other_symbols]
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