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31 lines
845 B
Python
31 lines
845 B
Python
from __future__ import annotations
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class UFOLibError(Exception):
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pass
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class UnsupportedUFOFormat(UFOLibError):
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pass
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class GlifLibError(UFOLibError):
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"""An error raised by glifLib.
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This class is a loose backport of PEP 678, adding a :attr:`.note`
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attribute that can hold additional context for errors encountered.
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It will be maintained until only Python 3.11-and-later are supported.
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"""
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def _add_note(self, note: str) -> None:
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# Loose backport of PEP 678 until we only support Python 3.11+, used for
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# adding additional context to errors.
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# TODO: Replace with https://docs.python.org/3.11/library/exceptions.html#BaseException.add_note
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(message, *rest) = self.args
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self.args = ((message + "\n" + note), *rest)
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class UnsupportedGLIFFormat(GlifLibError):
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pass
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