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| # Copyright 2016 Google Inc. All Rights Reserved. | |
| # | |
| # Licensed under the Apache License, Version 2.0 (the "License"); | |
| # you may not use this file except in compliance with the License. | |
| # You may obtain a copy of the License at | |
| # | |
| # http://www.apache.org/licenses/LICENSE-2.0 | |
| # | |
| # Unless required by applicable law or agreed to in writing, software | |
| # distributed under the License is distributed on an "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| # See the License for the specific language governing permissions and | |
| # limitations under the License. | |
| class Error(Exception): | |
| """Base Cu2Qu exception class for all other errors.""" | |
| class ApproxNotFoundError(Error): | |
| def __init__(self, curve): | |
| message = "no approximation found: %s" % curve | |
| super().__init__(message) | |
| self.curve = curve | |
| class UnequalZipLengthsError(Error): | |
| pass | |
| 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) | |
| class IncompatibleSegmentNumberError(IncompatibleGlyphsError): | |
| def __str__(self): | |
| return "Glyphs named %s have different number of segments" % ( | |
| self.combined_name | |
| ) | |
| 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), | |
| ) | |
| class IncompatibleFontsError(Error): | |
| def __init__(self, glyph_errors): | |
| self.glyph_errors = glyph_errors | |
| def __str__(self): | |
| return "fonts contains incompatible glyphs: %s" % ( | |
| ", ".join(repr(g) for g in sorted(self.glyph_errors.keys())) | |
| ) | |