Add initial versionHEADmain

1 files changed, 61 insertions, 0 deletions

diff --git a/src/nvd/exceptions.py b/src/nvd/exceptions.py
new file mode 100644
index 0000000..a4c774b
--- /dev/null
+++ b/src/nvd/exceptions.py
@@ -0,0 +1,61 @@
+"""Custom exceptions for the NVD API client."""
+
+from typing import Any, Optional
+
+
+class NVDError(Exception):
+    """Base exception for all NVD API errors."""
+
+    def __init__(self, message: str, response: Optional[Any] = None) -> None:
+        super().__init__(message)
+        self.message = message
+        self.response = response
+
+
+class RateLimitError(NVDError):
+    """Raised when rate limit is exceeded."""
+
+    def __init__(
+        self,
+        message: str = "Rate limit exceeded",
+        retry_after: Optional[int] = None,
+        response: Optional[Any] = None,
+    ) -> None:
+        super().__init__(message, response)
+        self.retry_after = retry_after
+
+
+class AuthenticationError(NVDError):
+    """Raised when authentication fails (invalid API key)."""
+
+    pass
+
+
+class ValidationError(NVDError):
+    """Raised when request parameters are invalid."""
+
+    pass
+
+
+class NotFoundError(NVDError):
+    """Raised when a resource is not found (404)."""
+
+    pass
+
+
+class ServerError(NVDError):
+    """Raised when the NVD API returns a server error (5xx)."""
+
+    pass
+
+
+class NetworkError(NVDError):
+    """Raised when a network error occurs."""
+
+    pass
+
+
+class ResponseError(NVDError):
+    """Raised when response parsing fails."""
+
+    pass