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class APIException(Exception):
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"""基础API异常 [^1][^4]"""
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def __init__(self, message, code=400, payload=None):
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super().__init__()
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self.message = message
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self.code = code
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self.payload = payload
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class NotFoundException(APIException):
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def __init__(self, message='资源不存在'):
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super().__init__(message, 404)
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class PermissionDenied(APIException):
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def __init__(self, message='权限不足'):
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super().__init__(message, 403)
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class ValidationError(APIException):
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def __init__(self, message='参数验证失败', errors=None):
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super().__init__(message, 400)
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self.errors = errors
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