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fc27bf1 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | # Copyright 2026 AutomatosX
# SPDX-License-Identifier: AGPL-3.0-only
# Modified 2026-10-19 for v1.3; prior component notices are in NOTICE.
"""Public error types. Messages stay content-free."""
from __future__ import annotations
class AXDocLayoutError(Exception):
"""Base error for the public contract."""
class InvalidPageImageError(AXDocLayoutError):
"""Page raster failed validation."""
class PdfRejectedError(AXDocLayoutError):
"""CLI and loaders reject PDF inputs."""
class UnsupportedBackendError(AXDocLayoutError):
"""Backend missing, unknown, or unavailable."""
class ArtifactError(AXDocLayoutError):
"""Artifact identity, digest, or files failed closed."""
class ArtifactUnavailableError(ArtifactError):
"""No published immutable artifact is available to load."""
class InvalidRevisionError(ArtifactError):
"""Hub revision is not a 40-character commit."""
class BackendUnavailableError(UnsupportedBackendError):
"""Requested inference backend is missing or unknown."""
class InferenceError(AXDocLayoutError):
"""A loaded backend could not execute page-raster inference."""
class TaxonomyError(AXDocLayoutError):
"""Unknown or reserved class identity."""
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