spaCy/spacy/lang/en/lex_attrs.py
Ines Montani ea20b72c08 💫 Make like_num work for prefixed numbers (#2808)
* Only split + prefix if not numbers

* Make like_num work for prefixed numbers

* Add test for like_num
2018-10-01 10:49:14 +02:00

33 lines
973 B
Python

# coding: utf8
from __future__ import unicode_literals
from ...attrs import LIKE_NUM
_num_words = ['zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven',
'eight', 'nine', 'ten', 'eleven', 'twelve', 'thirteen', 'fourteen',
'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen', 'twenty',
'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety',
'hundred', 'thousand', 'million', 'billion', 'trillion', 'quadrillion',
'gajillion', 'bazillion']
def like_num(text):
if text.startswith(('+', '-', '±', '~')):
text = text[1:]
text = text.replace(',', '').replace('.', '')
if text.isdigit():
return True
if text.count('/') == 1:
num, denom = text.split('/')
if num.isdigit() and denom.isdigit():
return True
if text.lower() in _num_words:
return True
return False
LEX_ATTRS = {
LIKE_NUM: like_num
}