62 lines
1.4 KiB
Python
62 lines
1.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# @Time : 2025/3/15 21:25
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# @Author : AngesZhu
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# @File : validation_error_utils.py
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# @Desc : 自定义异常类
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from typing import Any, Dict, Optional
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from contextlib import contextmanager
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# 自定义异常类
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class ValidationError(Exception):
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"""字段校验异常基类"""
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def __init__(self, message: str, field: Optional[str] = None, details: Optional[Dict[str, Any]] = None):
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self.message = message
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self.field = field
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self.details = details or {}
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super().__init__(f"{message} (Field: {field}, Details: {details})")
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class RequiredFieldError(ValidationError):
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"""必填字段异常"""
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pass
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class UniqueFieldError(ValidationError):
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"""字段唯一性异常"""
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pass
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class EmptyFieldError(ValidationError):
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"""字段为空异常"""
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pass
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class NegativeValueError(ValidationError):
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"""负值异常"""
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pass
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class FieldMatchError(ValidationError):
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"""字段匹配异常"""
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pass
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class FixedValueError(ValidationError):
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"""固定值异常"""
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pass
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# 上下文管理器：统一处理异常
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@contextmanager
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def handle_validation_errors(field: str, context: Optional[Dict[str, Any]] = None):
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"""处理校验异常的上下文管理器"""
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try:
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yield
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except ValidationError:
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raise
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except Exception as e:
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raise ValidationError(f"意外的校验错误: {str(e)}", field, context) from e
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