54 lines
1.3 KiB
Python
54 lines
1.3 KiB
Python
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from ..char_classes import (
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ALPHA,
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ALPHA_LOWER,
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CONCAT_QUOTES,
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HYPHENS,
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LIST_ELLIPSES,
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LIST_ICONS,
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LIST_PUNCT,
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LIST_QUOTES,
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UNITS,
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)
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_currency = r"\$¢£€¥฿৳"
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_quotes = CONCAT_QUOTES.replace("'", "")
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_list_punct = LIST_PUNCT + "। ॥".strip().split()
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_prefixes = [r"\+"] + _list_punct + LIST_ELLIPSES + LIST_QUOTES + LIST_ICONS
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_suffixes = (
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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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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"(?<=[{al}{e}{q}(?:{c})])\.".format(
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al=ALPHA_LOWER, e=r"%²\-\+", q=CONCAT_QUOTES, c=_currency
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),
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]
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)
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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"(?<=[0-9{zero}-{nine}])[+\-\*^=](?=[0-9{zero}-{nine}-])".format(
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zero="০", nine="৯"
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),
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r"(?<=[{a}]),(?=[{a}])".format(a=ALPHA),
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r"(?<=[{a}])({h})(?=[{ae}])".format(a=ALPHA, h=HYPHENS, ae="এ"),
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r"(?<=[{a}])(?:{h})(?=[{a}])".format(a=ALPHA, h=HYPHENS),
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r"(?<=[{a}])[:<>=/](?=[{a}])".format(a=ALPHA),
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]
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)
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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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