Source code for weitsicht.exceptions

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# Copyright 2026 Martin Wieser
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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"""Exceptions used in the package.

Design goal:
- Provide a small, well-defined hierarchy so users can either catch one base class
or handle specific subclasses.
"""




class WeitsichtError(Exception):
    """Base exception for the weitsicht package."""





class NotGeoreferencedError(WeitsichtError):
    """No valid georeference is provided for images"""





class CRSInputError(WeitsichtError, ValueError):
    """Invalid CRS/transformer input was provided."""





class CRSnoZaxisError(CRSInputError):
    """CRS does not define a vertical (Z) axis."""





class CoordinateTransformationError(WeitsichtError):
    """Coordinate Conversion is not possible"""





class MappingError(WeitsichtError):
    """Mapping of the geometry was not possible"""





class MappingBackendError(MappingError):
    """A mapping backend raised an unexpected/foreign exception."""





class MapperMissingError(MappingError):
    """No valid mapper is provided for image mapping functions"""