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Base exception classes for consistent error handling across the application.
Provides a standardized way to distinguish between bugs, recoverable errors,
and configuration issues.
"""
from typing import Any, Dict, Optional
class DeepTutorError(Exception):
"""Base class for all application errors in DeepTutor."""
def __init__(self, message: str, details: Optional[Dict[str, Any]] = None):
super().__init__(message)
self.message = message
self.details = details or {}
def __str__(self) -> str:
if self.details:
return f"{self.message} (details: {self.details})"
return self.message
class ConfigurationError(DeepTutorError):
"""Raised when there's a configuration-related error."""
pass
class ValidationError(DeepTutorError):
"""Raised when input validation fails."""
pass
class ServiceError(DeepTutorError):
"""Base class for service layer errors."""
pass
class LLMServiceError(ServiceError):
"""Base class for LLM service-related errors."""
pass
class LLMContextError(LLMServiceError):
"""Raised when prompt exceeds model context window."""
pass
class EnvironmentConfigError(ConfigurationError):
"""Raised when there's an environment-related configuration error."""
pass
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