| 1 | #!/usr/bin/env python3 |
| 2 | """ |
| 3 | PPT Master - PPTX Shape Errors |
| 4 | |
| 5 | Shared exception types for the DrawingML preset-geometry package. |
| 6 | |
| 7 | Usage: |
| 8 | Import exception classes from pptx_shapes.errors. |
| 9 | |
| 10 | Examples: |
| 11 | from pptx_shapes.errors import FormulaEvaluationError |
| 12 | |
| 13 | Dependencies: |
| 14 | None (only uses standard library) |
| 15 | """ |
| 16 | |
| 17 | |
| 18 | class PresetShapeError(ValueError): |
| 19 | """Base error for invalid preset-shape data or evaluation input.""" |
| 20 | |
| 21 | |
| 22 | class PresetShapeDataError(PresetShapeError): |
| 23 | """Raised when the bundled preset catalog is incomplete or malformed.""" |
| 24 | |
| 25 | |
| 26 | class FormulaSyntaxError(PresetShapeError): |
| 27 | """Raised when a DrawingML guide formula has invalid syntax.""" |
| 28 | |
| 29 | |
| 30 | class FormulaEvaluationError(PresetShapeError): |
| 31 | """Raised when a syntactically valid formula cannot be evaluated.""" |
| 32 | |
| 33 | |
| 34 | class UnknownGuideError(PresetShapeError): |
| 35 | """Raised when a formula references an unknown guide token.""" |
| 36 | |
| 37 | |
| 38 | class UnknownPresetShapeError(KeyError): |
| 39 | """Raised when a preset name is absent from the locked shape catalog.""" |
| 40 |