spaCy/spacy/tests/lang/en/test_customized_tokenizer.py

43 lines
1.8 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import pytest
from ....lang.en import English
from ....tokenizer import Tokenizer
from .... import util
@pytest.fixture
def custom_en_tokenizer(en_vocab):
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]+)+',
'[\[\]!&:,()\*—–\/-]']
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(custom_en_tokenizer):
sentence = "The 8 and 10-county definitions are not used for the greater Southern California Megaregion."
context = [word.text for word in custom_en_tokenizer(sentence)]
assert context == ['The', '8', 'and', '10', '-', 'county', 'definitions',
'are', 'not', 'used', 'for', 'the', 'greater',
'Southern', 'California', 'Megaregion', '.']
# 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 custom_en_tokenizer(sentence)]
assert context == ['The', '8', '-', 'and', '10', '-', 'county',
'definitions', 'are', 'not', 'used', 'for', 'the',
'greater', 'Southern', 'California', 'Megaregion', '.']