1
0
mirror of https://github.com/LibreTranslate/LibreTranslate.git synced 2024-11-14 19:50:11 +01:00
LibreTranslate/libretranslate/detect.py
2023-10-30 00:09:52 -04:00

37 lines
986 B
Python

import linguars
from functools import lru_cache
class Language:
def __init__(self, code, confidence):
self.code = code
self.confidence = float(confidence)
def __str__(self):
return ("code: {:<9} confidence: {:>5.1f} ".format(
self.code,
self.confidence))
@lru_cache(maxsize=None)
def load_detector(langcodes = ()):
languages = []
for lc in langcodes:
try:
languages.append(linguars.Language.from_iso_code_639_1(lc))
except Exception as e:
print(f"{lc} is not supported by lingua")
pass # Not supported
return linguars.LanguageDetector(languages=languages)
class Detector:
def __init__(self, langcodes = ()):
self.detector = load_detector(langcodes)
def detect(self, text):
top_3_choices = self.detector.confidence(text)[:3]
if top_3_choices[0][1] == 0:
return [Language("en", 0)]
return [Language(lang.iso_code_639_1, round(conf * 100)) for lang, conf in top_3_choices]