2017-03-12 15:07:28 +03:00
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# coding: utf8
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2017-01-08 22:40:33 +03:00
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from __future__ import unicode_literals
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2017-05-30 22:34:46 +03:00
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from ..char_classes import LIST_PUNCT, LIST_ELLIPSES, LIST_QUOTES
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2017-05-09 01:01:59 +03:00
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from ..char_classes import QUOTES, UNITS, ALPHA, ALPHA_LOWER, ALPHA_UPPER
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2017-05-08 16:49:56 +03:00
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2017-05-30 22:34:46 +03:00
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LIST_ICONS = [r'[\p{So}--[°]]']
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2017-05-08 16:49:56 +03:00
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2017-05-09 01:01:59 +03:00
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_currency = r'\$|¢|£|€|¥|฿'
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_quotes = QUOTES.replace("'", '')
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2017-05-31 23:22:42 +03:00
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_prefixes = ([r'\+'] + LIST_PUNCT + LIST_ELLIPSES + LIST_QUOTES + LIST_ICONS +
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[r'[,.:](?=[{a}])'.format(a=ALPHA)])
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2017-05-09 01:01:59 +03:00
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2017-05-30 22:34:46 +03:00
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_suffixes = (LIST_PUNCT + LIST_ELLIPSES + LIST_QUOTES + LIST_ICONS +
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2017-05-09 01:01:59 +03:00
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[r'(?<=[0-9])\+',
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r'(?<=°[FfCcKk])\.',
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r'(?<=[0-9])(?:{})'.format(_currency),
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r'(?<=[0-9])(?:{})'.format(UNITS),
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r'(?<=[{}{}{}(?:{})])\.'.format(ALPHA_LOWER, r'%²\-\)\]\+', QUOTES, _currency),
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r'(?<=[{})])-e'.format(ALPHA_LOWER)])
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2017-05-30 22:34:46 +03:00
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_infixes = (LIST_ELLIPSES + LIST_ICONS +
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2017-05-09 01:01:59 +03:00
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[r'(?<=[{}])\.(?=[{}])'.format(ALPHA_LOWER, ALPHA_UPPER),
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2017-05-31 23:22:42 +03:00
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r'(?<=[{a}])[,!?](?=[{a}])'.format(a=ALPHA),
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2017-05-09 01:01:59 +03:00
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r'(?<=[{a}"])[:<>=](?=[{a}])'.format(a=ALPHA),
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r'(?<=[{a}])--(?=[{a}])'.format(a=ALPHA),
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r'(?<=[{a}]),(?=[{a}])'.format(a=ALPHA),
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r'(?<=[{a}])([{q}\)\]\(\[])(?=[\-{a}])'.format(a=ALPHA, q=_quotes)])
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TOKENIZER_PREFIXES = _prefixes
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TOKENIZER_SUFFIXES = _suffixes
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TOKENIZER_INFIXES = _infixes
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