Rain-Bus
21f16e6756
- Split summarizer into summary_generator and summary_persister modules - Refactor pdf_image_extractor to two-phase pipeline with PicoDet layout detection - Add layout_detector service for PicoDet-S_layout_3cls integration - Add exceptions module with ConflictError and NotFoundError - Improve admin dashboard with better statistics and task management - Add design review document with system optimization suggestions - Add new tests for crawler, pdf_downloader, pipeline, and summary_utils - Update dependencies and configuration - Clean up dead code and improve error handling
36 lines
903 B
Python
36 lines
903 B
Python
"""业务异常体系 — 统一错误类型，供路由层和 service 层使用。
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路由层通过 main.py 的 @app.exception_handler(AppError) 统一捕获，
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转为对应 HTTP 状态码 + JSON 响应。
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"""
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from __future__ import annotations
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class AppError(Exception):
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"""所有业务异常的基类。"""
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def __init__(self, message: str = "", *, detail: str = ""):
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self.message = message or detail or self.__class__.__name__
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super().__init__(self.message)
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class NotFoundError(AppError):
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"""资源不存在（404）。"""
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class ValidationError(AppError):
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"""请求参数校验失败（400）。"""
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class ExternalAPIError(AppError):
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"""外部 API 调用失败（502）。"""
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class PdfProcessError(AppError):
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"""PDF 处理错误（500）。"""
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class ConflictError(AppError):
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"""资源冲突（409）— 如锁冲突、并发任务冲突。"""
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