37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
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# libs/manage_languages.py
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from langdetect import detect
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from fastapi import HTTPException
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import logging
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logger = logging.getLogger(__name__)
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def validate_language(language: str) -> None:
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"""Validate the language parameter. Throws an HTTPException if the language is invalid."""
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valid_languages = {"french", "italian", "english", "german", "auto"}
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if language not in valid_languages:
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raise HTTPException(
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status_code=400,
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detail="Invalid language. Must be one of: french, italian, english, german, or auto"
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)
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def detect_language(current_message: str) -> str:
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"""Detect the language of the current message. Defaults to French if detection fails."""
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try:
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detected_lang = detect(current_message)
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if detected_lang == "fr":
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language = "french"
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elif detected_lang == "it":
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language = "italian"
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elif detected_lang == "en":
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language = "english"
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elif detected_lang == "de":
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language = "german"
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else:
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language = "french"
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logger.info(f"Detected language: {language}")
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return language
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except Exception as e:
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logger.error(f"Language detection failed: {str(e)}")
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return "french"
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