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| class Error(Exception): |
| """Base Cu2Qu exception class for all other errors.""" |
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|
| class ApproxNotFoundError(Error): |
| def __init__(self, curve): |
| message = "no approximation found: %s" % curve |
| super().__init__(message) |
| self.curve = curve |
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|
| class UnequalZipLengthsError(Error): |
| pass |
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|
| class IncompatibleGlyphsError(Error): |
| def __init__(self, glyphs): |
| assert len(glyphs) > 1 |
| self.glyphs = glyphs |
| names = set(repr(g.name) for g in glyphs) |
| if len(names) > 1: |
| self.combined_name = "{%s}" % ", ".join(sorted(names)) |
| else: |
| self.combined_name = names.pop() |
|
|
| def __repr__(self): |
| return "<%s %s>" % (type(self).__name__, self.combined_name) |
|
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|
|
| class IncompatibleSegmentNumberError(IncompatibleGlyphsError): |
| def __str__(self): |
| return "Glyphs named %s have different number of segments" % ( |
| self.combined_name |
| ) |
|
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|
|
| class IncompatibleSegmentTypesError(IncompatibleGlyphsError): |
| def __init__(self, glyphs, segments): |
| IncompatibleGlyphsError.__init__(self, glyphs) |
| self.segments = segments |
|
|
| def __str__(self): |
| lines = [] |
| ndigits = len(str(max(self.segments))) |
| for i, tags in sorted(self.segments.items()): |
| lines.append( |
| "%s: (%s)" % (str(i).rjust(ndigits), ", ".join(repr(t) for t in tags)) |
| ) |
| return "Glyphs named %s have incompatible segment types:\n %s" % ( |
| self.combined_name, |
| "\n ".join(lines), |
| ) |
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|
|
| class IncompatibleFontsError(Error): |
| def __init__(self, glyph_errors): |
| self.glyph_errors = glyph_errors |
|
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| def __str__(self): |
| return "fonts contains incompatible glyphs: %s" % ( |
| ", ".join(repr(g) for g in sorted(self.glyph_errors.keys())) |
| ) |
|
|
