exceptions.py•1.63 kB
from typing import Optional, Any, Dict
class StockException(Exception):
"""股票服务基础异常类"""
def __init__(
self,
message: str,
code: str = "STOCK_ERROR",
details: Optional[Dict[str, Any]] = None
):
self.message = message
self.code = code
self.details = details or {}
super().__init__(message)
class StockNotFoundError(StockException):
"""股票不存在异常"""
def __init__(self, stock_code: str):
super().__init__(
message=f"股票代码 {stock_code} 不存在",
code="STOCK_NOT_FOUND",
details={"stock_code": stock_code}
)
class InvalidDateFormatError(StockException):
"""日期格式错误异常"""
def __init__(self, date: str):
super().__init__(
message=f"日期格式错误: {date}，应为YYYYMMDD格式",
code="INVALID_DATE_FORMAT",
details={"date": date}
)
class StockDataFetchError(StockException):
"""股票数据获取错误异常"""
def __init__(self, message: str, details: Optional[Dict[str, Any]] = None):
super().__init__(
message=message,
code="DATA_FETCH_ERROR",
details=details
)
class InvalidPaginationError(StockException):
"""分页参数错误异常"""
def __init__(self, page: int, page_size: int):
super().__init__(
message="分页参数错误",
code="INVALID_PAGINATION",
details={"page": page, "page_size": page_size}
)