25 lines
729 B
Python
25 lines
729 B
Python
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"""Application error hierarchy.
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Every expected failure is a subclass of :class:`LedgerlyError`, so the CLI
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layer can translate failures into stable exit codes instead of inspecting
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message text (single source of truth for error semantics).
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"""
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__all__ = ["ConflictError", "LedgerlyError", "NotFoundError", "ValidationError"]
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class LedgerlyError(Exception):
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"""Base class for all expected Ledgerly failures."""
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class ValidationError(LedgerlyError):
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"""Input does not satisfy a domain rule (R1-R10)."""
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class NotFoundError(LedgerlyError):
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"""The requested entity does not exist (R8, R12)."""
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class ConflictError(LedgerlyError):
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"""The request conflicts with current state (e.g. a category in use, R9)."""
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