punctuation.py

# coding: utf8
from __future__ import unicode_literals

from ..char_classes import LIST_ELLIPSES, LIST_ICONS, LIST_HYPHENS
from ..char_classes import CONCAT_QUOTES, ALPHA, ALPHA_LOWER, ALPHA_UPPER
from ..punctuation import TOKENIZER_SUFFIXES


_quotes = CONCAT_QUOTES.replace("'", "")
DASHES = "|".join(x for x in LIST_HYPHENS if x != "-")

_infixes = (
    LIST_ELLIPSES
    + LIST_ICONS
    + [
        r"(?<=[{al}])\.(?=[{au}])".format(al=ALPHA_LOWER, au=ALPHA_UPPER),
        r"(?<=[{a}])[,!?](?=[{a}])".format(a=ALPHA),
        r"(?<=[{a}])([{q}\)\]\(\[])(?=[{a}])".format(a=ALPHA, q=_quotes),
        r"(?<=[{a}])(?:{d})(?=[{a}])".format(a=ALPHA, d=DASHES),
        r"(?<=[{a}0-9])[<>=/](?=[{a}])".format(a=ALPHA),
    ]
)

_suffixes = [
    suffix
    for suffix in TOKENIZER_SUFFIXES
    if suffix not in ["'s", "'S", "’s", "’S", r"\'"]
]


TOKENIZER_INFIXES = _infixes
TOKENIZER_SUFFIXES = _suffixes