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"""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
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