40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
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class VarLibError(Exception):
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"""Base exception for the varLib module."""
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class VarLibValidationError(VarLibError):
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"""Raised when input data is invalid from varLib's point of view."""
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class VarLibMergeError(VarLibError):
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"""Raised when input data cannot be merged into a variable font."""
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class VarLibCFFDictMergeError(VarLibMergeError):
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"""Raised when a CFF PrivateDict cannot be merged."""
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def __init__(self, key, value, values):
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error_msg = (
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f"For the Private Dict key '{key}', the default font value list:"
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f"\n\t{value}\nhad a different number of values than a region font:"
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)
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for region_value in values:
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error_msg += f"\n\t{region_value}"
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self.args = (error_msg,)
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class VarLibCFFPointTypeMergeError(VarLibMergeError):
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"""Raised when a CFF glyph cannot be merged."""
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def __init__(self, point_type, pt_index, m_index, default_type, glyph_name):
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error_msg = (
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f"Glyph '{glyph_name}': '{point_type}' at point index {pt_index} in "
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f"master index {m_index} differs from the default font point type "
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f"'{default_type}'"
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)
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self.args = (error_msg,)
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class VariationModelError(VarLibError):
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"""Raised when a variation model is faulty."""
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