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rgiaviti/string_similarity.py

Created August 30, 2021 17:11
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get string similarity in Python with SequenceMatcher
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string_similarity.py
from difflib import SequenceMatcher
def similarity(string1: str, string2: str) -> float:
return SequenceMatcher(a=string1, b=string2).ratio()
def similarity_in_percent(string1: str, string2: str) -> float:
value = similarity(string1, string2) * 100
return round(value, 2)
print(similarity("João", "João")) # > 1.0 String Iguais
print(similarity("João", "JOÃO")) # > 0.25 Maiúsculas e Minúsculas contam
print(similarity("João", "Pedro")) # > 0.2222222222222222
# Convertendo em percentual e cortando as casas decimais
print(similarity_in_percent("João", "João")) # > 100.0% Iguais
print(similarity_in_percent("João", "JOÃO")) # > 25% Iguais
print(similarity_in_percent("João", "Pedro")) # > 22.22% Iguais
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