Source code for silkworm.declarative.exceptions

from __future__ import annotations

from ..exceptions import SilkwormError




class DeclarativeError(SilkwormError):
    """Base exception for declarative extraction."""





class DeclarativeConfigurationError(DeclarativeError):
    """Raised when an item declaration cannot be compiled."""





class FieldExtractionError(DeclarativeError):
    """Raised when a declared field cannot be extracted."""





class MissingFieldError(FieldExtractionError):
    """Raised when a required element or attribute is absent."""





class FieldTransformError(FieldExtractionError):
    """Raised when a field transform fails or returns an invalid value."""





class DeclarativeSerializationError(DeclarativeError):
    """Raised when an item cannot be represented as a JSON value."""



__all__ = [
    "DeclarativeConfigurationError",
    "DeclarativeError",
    "DeclarativeSerializationError",
    "FieldExtractionError",
    "FieldTransformError",
    "MissingFieldError",
]