mirror of https://github.com/explosion/spaCy.git
59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
# coding: utf8
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from __future__ import unicode_literals
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from ..char_classes import LIST_ELLIPSES, LIST_ICONS, LIST_UNITS, merge_chars
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from ..char_classes import LIST_PUNCT, LIST_QUOTES, CURRENCY, PUNCT
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from ..char_classes import CONCAT_QUOTES, ALPHA, ALPHA_LOWER, ALPHA_UPPER
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from ..punctuation import TOKENIZER_PREFIXES as BASE_TOKENIZER_PREFIXES
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_prefixes = [",,"] + BASE_TOKENIZER_PREFIXES
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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 = (
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LIST_ELLIPSES
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+ LIST_ICONS
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+ [
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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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]
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)
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_list_units = [u for u in LIST_UNITS if u != "%"]
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_units = merge_chars(" ".join(_list_units))
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_suffixes = (
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["''"]
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+ LIST_PUNCT
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+ LIST_ELLIPSES
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+ LIST_QUOTES
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+ LIST_ICONS
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+ ["—", "–"]
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+ [
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r"(?<=[0-9])\+",
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r"(?<=°[FfCcKk])\.",
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r"(?<=[0-9])(?:{c})".format(c=CURRENCY),
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r"(?<=[0-9])(?:{u})".format(u=_units),
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r"(?<=[0-9{al}{e}{p}(?:{q})])\.".format(
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al=ALPHA_LOWER, e=r"%²\-\+", q=CONCAT_QUOTES, p=PUNCT
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),
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r"(?<=[{au}][{au}])\.".format(au=ALPHA_UPPER),
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]
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)
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TOKENIZER_PREFIXES = _prefixes
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TOKENIZER_INFIXES = _infixes
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TOKENIZER_SUFFIXES = _suffixes
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