初始化

src/llm_models/exceptions.py

@@ -0,0 +1,98 @@
+from typing import Any
+
+
+# 常见Error Code Mapping (以OpenAI API为例)
+error_code_mapping = {
+    400: "参数不正确",
+    401: "API-Key错误，认证失败，请检查/config/model_list.toml中的配置是否正确",
+    402: "账号余额不足",
+    403: "模型拒绝访问，可能需要实名或余额不足",
+    404: "Not Found",
+    413: "请求体过大，请尝试压缩图片或减少输入内容",
+    429: "请求过于频繁，请稍后再试",
+    500: "服务器内部故障",
+    503: "服务器负载过高",
+}
+
+
+class NetworkConnectionError(Exception):
+    """连接异常，常见于网络问题或服务器不可用"""
+
+    def __init__(self):
+        super().__init__()
+
+    def __str__(self):
+        return "连接异常，请检查网络连接状态或URL是否正确"
+
+
+class ReqAbortException(Exception):
+    """请求异常退出，常见于请求被中断或取消"""
+
+    def __init__(self, message: str | None = None):
+        super().__init__(message)
+        self.message = message
+
+    def __str__(self):
+        return self.message or "请求因未知原因异常终止"
+
+
+class RespNotOkException(Exception):
+    """请求响应异常，见于请求未能成功响应（非 '200 OK'）"""
+
+    def __init__(self, status_code: int, message: str | None = None):
+        super().__init__(message)
+        self.status_code = status_code
+        self.message = message
+
+    def __str__(self):
+        if self.status_code in error_code_mapping:
+            return error_code_mapping[self.status_code]
+        elif self.message:
+            return self.message
+        else:
+            return f"未知的异常响应代码：{self.status_code}"
+
+
+class RespParseException(Exception):
+    """响应解析错误，常见于响应格式不正确或解析方法不匹配"""
+
+    def __init__(self, ext_info: Any, message: str | None = None):
+        super().__init__(message)
+        self.ext_info = ext_info
+        self.message = message
+
+    def __str__(self):
+        return self.message or "解析响应内容时发生未知错误，请检查是否配置了正确的解析方法"
+
+
+class PayLoadTooLargeError(Exception):
+    """自定义异常类，用于处理请求体过大错误"""
+
+    def __init__(self, message: str):
+        super().__init__(message)
+        self.message = message
+
+    def __str__(self):
+        return "请求体过大，请尝试压缩图片或减少输入内容。"
+
+
+class RequestAbortException(Exception):
+    """自定义异常类，用于处理请求中断异常"""
+
+    def __init__(self, message: str):
+        super().__init__(message)
+        self.message = message
+
+    def __str__(self):
+        return self.message
+
+
+class PermissionDeniedException(Exception):
+    """自定义异常类，用于处理访问拒绝的异常"""
+
+    def __init__(self, message: str):
+        super().__init__(message)
+        self.message = message
+
+    def __str__(self):
+        return self.message