142 lines
4.0 KiB
Python
142 lines
4.0 KiB
Python
"""
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Custom exceptions for the Document Translation API
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"""
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from typing import Any, Dict, Optional
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class TranslationError(Exception):
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"""
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Base exception for translation errors.
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Includes an error code and optional details for structured JSON responses.
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"""
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def __init__(
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self,
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message: str,
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code: str = "TRANSLATION_ERROR",
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details: Optional[Dict[str, Any]] = None,
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):
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self.message = message
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self.code = code
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self.details = details or {}
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super().__init__(message)
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class UnsupportedFileTypeError(TranslationError):
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"""Raised when an unsupported file type is provided"""
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def __init__(
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self,
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message: str = "Format de fichier non supporté.",
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details: Optional[Dict[str, Any]] = None,
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):
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super().__init__(message, code="INVALID_FORMAT", details=details)
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class FileSizeLimitExceededError(TranslationError):
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"""Raised when a file exceeds the size limit"""
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def __init__(
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self,
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message: str = "Fichier trop volumineux.",
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details: Optional[Dict[str, Any]] = None,
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):
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super().__init__(message, code="FILE_TOO_LARGE", details=details)
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class LanguageNotSupportedError(TranslationError):
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"""Raised when a language code is not supported"""
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def __init__(
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self,
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message: str = "Langue non supportée.",
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details: Optional[Dict[str, Any]] = None,
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):
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super().__init__(message, code="INVALID_FORMAT", details=details)
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class DocumentProcessingError(TranslationError):
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"""Raised when there's an error processing the document"""
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def __init__(
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self,
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message: str = "Erreur lors du traitement du document.",
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details: Optional[Dict[str, Any]] = None,
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):
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super().__init__(message, code="INTERNAL_ERROR", details=details)
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class TranslationProviderError(TranslationError):
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"""Raised when a translation provider returns a structured error."""
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def __init__(
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self, error_code: str, message: str, details: Optional[Dict[str, Any]] = None
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):
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super().__init__(message, code=error_code, details=details)
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class GlossaryNotFoundError(TranslationError):
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"""Raised when a glossary is not found or doesn't belong to the user.
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Story 3.10: Glossaires - Application lors Traduction LLM
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"""
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def __init__(
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self,
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message: str = "Glossaire introuvable ou vous n'avez pas accès à cette ressource.",
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details: Optional[Dict[str, Any]] = None,
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):
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super().__init__(message, code="GLOSSARY_NOT_FOUND", details=details)
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class PromptNotFoundError(TranslationError):
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"""Raised when a prompt is not found or doesn't belong to the user.
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Story 3.12: Custom Prompts - Application lors Traduction LLM
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"""
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def __init__(
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self,
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message: str = "Prompt introuvable ou vous n'avez pas accès à cette ressource.",
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details: Optional[Dict[str, Any]] = None,
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):
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super().__init__(message, code="PROMPT_NOT_FOUND", details=details)
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# Map provider error codes to HTTP status (Story 2.2, 2.3, 2.6)
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_PROVIDER_ERROR_HTTP_STATUS = {
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"GOOGLE_QUOTA_EXCEEDED": 429,
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"GOOGLE_INVALID_KEY": 401,
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"GOOGLE_NETWORK_ERROR": 502,
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"GOOGLE_UNSUPPORTED_LANGUAGE": 400,
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"GOOGLE_TEXT_TOO_LONG": 413,
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"DEEPL_QUOTA_EXCEEDED": 429,
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"DEEPL_INVALID_KEY": 401,
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"DEEPL_NETWORK_ERROR": 502,
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"DEEPL_UNSUPPORTED_LANGUAGE": 400,
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"DEEPL_TEXT_TOO_LONG": 413,
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"ALL_PROVIDERS_FAILED": 502,
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}
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def handle_translation_error(error: TranslationError) -> tuple[dict, int]:
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"""
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Handle a translation error and return a tuple of (response_body, status_code).
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Args:
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error: The TranslationError to handle
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Returns:
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Tuple of (error response dict, HTTP status code)
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"""
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status_code = _PROVIDER_ERROR_HTTP_STATUS.get(error.code, 400)
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response = {
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"error": error.code,
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"message": error.message,
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"details": error.details if error.details else {},
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}
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return response, status_code
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