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"""
Part of the BlackStar filesystem (bsfs) module.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# imports
import typing
# exports
__all__: typing.Sequence[str] = (
)
## code ##
class _BSFSError(Exception):
"""Generic bsfs error."""
class SchemaError(_BSFSError):
"""Generic schema errios."""
class ConsistencyError(SchemaError):
"""A requested operation is inconsistent with the schema."""
class InstanceError(SchemaError):
"""An instance affected by some operation is inconsistent with the schema."""
class PermissionDeniedError(_BSFSError):
"""An operation was aborted due to access control restrictions."""
class ProgrammingError(_BSFSError):
"""An assertion-like error that indicates a code-base issue."""
class UnreachableError(ProgrammingError):
"""Bravo, you've reached a point in code that should logically not be reachable."""
class ConfigError(_BSFSError):
"""User config issue."""
## EOF ##
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