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34 lines
1.3 KiB
Python
34 lines
1.3 KiB
Python
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# coding: utf8
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from __future__ import unicode_literals
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from ..char_classes import LIST_ELLIPSES, LIST_ICONS
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from ..char_classes import CONCAT_QUOTES, ALPHA, ALPHA_LOWER, ALPHA_UPPER
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from ..punctuation import TOKENIZER_SUFFIXES as DEFAULT_TOKENIZER_SUFFIXES
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# Copied from `de` package. Main purpose is to ensure that hyphens are not
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# split on.
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_quotes = CONCAT_QUOTES.replace("'", '')
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_infixes = (LIST_ELLIPSES + LIST_ICONS +
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[r'(?<=[{}])\.(?=[{}])'.format(ALPHA_LOWER, ALPHA_UPPER),
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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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r'(?<=[{a}])--(?=[{a}])'.format(a=ALPHA),
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r'(?<=[0-9])-(?=[0-9])'])
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# Remove "'s" suffix from suffix list. In Dutch, "'s" is a plural ending when
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# it occurs as a suffix and a clitic for "eens" in standalone use. To avoid
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# ambiguity it's better to just leave it attached when it occurs as a suffix.
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default_suffix_blacklist = ("'s", "'S", '’s', '’S')
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_suffixes = [suffix for suffix in DEFAULT_TOKENIZER_SUFFIXES
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if suffix not in default_suffix_blacklist]
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TOKENIZER_INFIXES = _infixes
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TOKENIZER_SUFFIXES = _suffixes
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