spaCy/spacy/tests/tokenizer/test_customized_tokenizer.py

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# coding: utf-8
from __future__ import unicode_literals
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from ...en import English
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from ...tokenizer import Tokenizer
from ... import util
import pytest
@pytest.fixture
def tokenizer(en_vocab):
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prefix_re = util.compile_prefix_regex(English.Defaults.prefixes)
suffix_re = util.compile_suffix_regex(English.Defaults.suffixes)
custom_infixes = ['\.\.\.+',
'(?<=[0-9])-(?=[0-9])',
# '(?<=[0-9]+),(?=[0-9]+)',
'[0-9]+(,[0-9]+)+',
u'[\[\]!&:,()\*—–\/-]']
infix_re = util.compile_infix_regex(custom_infixes)
return Tokenizer(en_vocab,
English.Defaults.tokenizer_exceptions,
prefix_re.search,
suffix_re.search,
infix_re.finditer,
token_match=None)
def test_customized_tokenizer_handles_infixes(tokenizer):
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sentence = "The 8 and 10-county definitions are not used for the greater Southern California Megaregion."
context = [word.text for word in tokenizer(sentence)]
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assert context == [u'The', u'8', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
u'for',
u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']
# the trailing '-' may cause Assertion Error
sentence = "The 8- and 10-county definitions are not used for the greater Southern California Megaregion."
context = [word.text for word in tokenizer(sentence)]
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assert context == [u'The', u'8', u'-', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
u'for',
u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']