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统一的错误处理模块
"""
from typing import Optional, Callable, Any
from loguru import logger
class ClinicalError(Exception):
"""临床系统基础异常类"""
def __init__(self, message: str, code: str = "CLINICAL_ERROR",
details: Optional[Dict] = None, original_error: Optional[Exception] = None):
self.message = message
self.code = code
self.details = details or {}
self.original_error = original_error
super().__init__(self.message)
class AuthenticationError(ClinicalError):
"""认证错误"""
def __init__(self, message: str = "认证失败", details: Optional[Dict] = None):
super().__init__(message, "AUTH_ERROR", details)
class AuthorizationError(ClinicalError):
"""授权错误"""
def __init__(self, message: str = "权限不足", details: Optional[Dict] = None):
super().__init__(message, "AUTHZ_ERROR", details)
class ResourceNotFoundError(ClinicalError):
"""资源未找到错误"""
def __init__(self, resource_type: str, resource_id: str, details: Optional[Dict] = None):
message = f"{resource_type} {resource_id} 未找到"
super().__init__(message, "RESOURCE_NOT_FOUND", details)
class ValidationError(ClinicalError):
"""数据验证错误"""
def __init__(self, field: str, message: str, details: Optional[Dict] = None):
super().__init__(f"字段 {field} 验证失败: {message}", "VALIDATION_ERROR", details)
def error_handler(func: Callable) -> Callable:
"""统一的错误处理装饰器"""
def wrapper(*args, **kwargs) -> Any:
try:
return func(*args, **kwargs)
except ClinicalError:
raise # 已知错误直接抛出
except Exception as e:
logger.error(f"Unexpected error in {func.__name__}: {e}")
raise ClinicalError(
"系统内部错误",
"INTERNAL_ERROR",
{"function": func.__name__},
e
)
return wrapper
def handle_api_errors(response_func: Callable) -> Callable:
"""API错误处理装饰器"""
def wrapper(*args, **kwargs) -> Dict[str, Any]:
try:
return response_func(*args, **kwargs)
except ClinicalError as e:
return {
"success": False,
"error": {
"code": e.code,
"message": e.message,
"details": e.details
}
}
except Exception as e:
logger.error(f"API error: {e}")
return {
"success": False,
"error": {
"code": "INTERNAL_ERROR",
"message": "内部服务器错误"
}
}
return wrapper |