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add length checker
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from .v3 import GoogleAuthTranslation
from pathlib import Path
import yaml
import os
MAX_ENG_TEXT_LENGTH = int(os.getenv('MAX_ENG_TEXT_LENGTH', 200))
MAX_CJK_TEXT_LENGTH = int(os.getenv('MAX_CJK_TEXT_LENGTH', 100))
class Translator:
def __init__(self, yaml_path='./lang.yaml'):
self.google_translation = GoogleAuthTranslation(project_id="cvpr-2022-demonstration")
with open(yaml_path) as f:
self.supporting_languages = yaml.load(f, Loader=yaml.FullLoader)
@staticmethod
def length_check(lang, text):
if lang in ['en']:
if len(text) > MAX_ENG_TEXT_LENGTH:
raise AssertionError(f"Input text is too long. For English, the text length should be less than {MAX_ENG_TEXT_LENGTH}. | Length: {len(text)}")
elif lang in ['ko', 'ja', 'zh-CN', 'zh']:
if len(text) > MAX_CJK_TEXT_LENGTH:
raise AssertionError(f"Input text is too long. For CJK, the text length should be less than {MAX_CJK_TEXT_LENGTH}. | Length: {len(text)}")
else:
raise AssertionError(f"Not in ['ko', 'ja', 'zh-CN', 'zh', 'en'] ! | Language: {lang}")
return
def _get_text_with_lang(self, text, lang):
lang_detected = self.google_translation.detect(text)
print(f"Detected as: {lang_detected} | Destination: {lang}")
if lang is None:
lang = lang_detected
if lang != lang_detected:
target_text = self.google_translation.translate(text, lang=lang)
else:
target_text = text
return target_text, lang
def _convert_lang_from_index(self, lang):
try:
lang = [name for name in self.supporting_languages
if self.supporting_languages[name]['language'] == lang][0]
except Exception as e:
raise RuntimeError(e)
return lang
def get_translation(self, text, lang, use_translation=True):
lang_ = self._convert_lang_from_index(lang)
if use_translation:
target_text, _ = self._get_text_with_lang(text, lang_)
else:
target_text = text
return target_text, lang_