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94 lines
2.6 KiB
Python
94 lines
2.6 KiB
Python
"""
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自定义错误类
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定义MCP Server使用的所有自定义异常类型。
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"""
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from typing import Optional
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class MCPError(Exception):
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"""MCP工具错误基类"""
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def __init__(self, message: str, code: str = "MCP_ERROR", suggestion: Optional[str] = None):
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super().__init__(message)
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self.code = code
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self.message = message
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self.suggestion = suggestion
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def to_dict(self) -> dict:
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"""转换为字典格式"""
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error_dict = {
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"code": self.code,
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"message": self.message
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}
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if self.suggestion:
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error_dict["suggestion"] = self.suggestion
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return error_dict
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class DataNotFoundError(MCPError):
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"""数据不存在错误"""
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def __init__(self, message: str, suggestion: Optional[str] = None):
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super().__init__(
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message=message,
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code="DATA_NOT_FOUND",
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suggestion=suggestion or "请检查日期范围或等待爬取任务完成"
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)
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class InvalidParameterError(MCPError):
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"""参数无效错误"""
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def __init__(self, message: str, suggestion: Optional[str] = None):
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super().__init__(
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message=message,
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code="INVALID_PARAMETER",
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suggestion=suggestion or "请检查参数格式是否正确"
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)
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class ConfigurationError(MCPError):
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"""配置错误"""
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def __init__(self, message: str, suggestion: Optional[str] = None):
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super().__init__(
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message=message,
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code="CONFIGURATION_ERROR",
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suggestion=suggestion or "请检查配置文件是否正确"
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)
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class PlatformNotSupportedError(MCPError):
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"""平台不支持错误"""
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def __init__(self, platform: str):
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super().__init__(
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message=f"平台 '{platform}' 不受支持",
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code="PLATFORM_NOT_SUPPORTED",
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suggestion="支持的平台: zhihu, weibo, douyin, bilibili, baidu, toutiao, qq, 36kr, sspai, hellogithub, thepaper"
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)
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class CrawlTaskError(MCPError):
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"""爬取任务错误"""
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def __init__(self, message: str, suggestion: Optional[str] = None):
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super().__init__(
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message=message,
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code="CRAWL_TASK_ERROR",
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suggestion=suggestion or "请稍后重试或查看日志"
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)
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class FileParseError(MCPError):
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"""文件解析错误"""
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def __init__(self, file_path: str, reason: str):
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super().__init__(
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message=f"解析文件 {file_path} 失败: {reason}",
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code="FILE_PARSE_ERROR",
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suggestion="请检查文件格式是否正确"
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)
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