69 lines
1.9 KiB
Python
69 lines
1.9 KiB
Python
import json
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import os
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import threading
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from flask import request, has_request_context
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_thread_local = threading.local()
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_locales_dir = os.path.join(os.path.dirname(__file__), '..', '..', '..', 'locales')
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# Load language registry
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with open(os.path.join(_locales_dir, 'languages.json'), 'r', encoding='utf-8') as f:
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_languages = json.load(f)
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# Load translation files
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_translations = {}
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for filename in os.listdir(_locales_dir):
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if filename.endswith('.json') and filename != 'languages.json':
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locale_name = filename[:-5]
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with open(os.path.join(_locales_dir, filename), 'r', encoding='utf-8') as f:
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_translations[locale_name] = json.load(f)
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def set_locale(locale: str):
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"""Set locale for current thread. Call at the start of background threads."""
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_thread_local.locale = locale
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def get_locale() -> str:
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if has_request_context():
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return request.headers.get('Accept-Language', 'zh')
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return getattr(_thread_local, 'locale', 'zh')
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def t(key: str, **kwargs) -> str:
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locale = get_locale()
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messages = _translations.get(locale, _translations.get('zh', {}))
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value = messages
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for part in key.split('.'):
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if isinstance(value, dict):
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value = value.get(part)
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else:
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value = None
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break
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if value is None:
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value = _translations.get('zh', {})
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for part in key.split('.'):
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if isinstance(value, dict):
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value = value.get(part)
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else:
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value = None
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break
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if value is None:
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return key
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if kwargs:
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for k, v in kwargs.items():
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value = value.replace(f'{{{k}}}', str(v))
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return value
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def get_language_instruction() -> str:
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locale = get_locale()
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lang_config = _languages.get(locale, _languages.get('zh', {}))
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return lang_config.get('llmInstruction', '请使用中文回答。')
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