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Increase minimum to 2 in fuzzy_compare to allow one transposition

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Adriane Boyd 2022-11-30 08:46:31 +01:00
parent 7a27fa7ac8
commit 8a749fccbc
1 changed files with 3 additions and 3 deletions
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6
spacy/matcher/matcher.pyx
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@ -7,7 +7,6 @@ from libc.string cimport memset, memcmp
from cymem.cymem cimport Pool
from murmurhash.mrmr cimport hash64
from math import ceil
import re
import srsly
import warnings
@ -37,8 +36,9 @@ cpdef bint fuzzy_compare(input_text: str, pattern_text: str, fuzzy: int = -1):
if fuzzy >= 0:
max_edits = fuzzy
else:
# allow at least one edit and up to 20% of the pattern string length
max_edits = ceil(0.2 * len(pattern_text))
# allow at least two edits (to allow at least one transposition) and up
# to 20% of the pattern string length
max_edits = max(2, int(0.2 * len(pattern_text)))
return levenshtein(input_text, pattern_text, max_edits) <= max_edits