Guard Pillow-dependent features - #247
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| self._pillow_available = ImageQt is not None | ||
| if not self._pillow_available: | ||
| self.placeholder.setText( | ||
| "Pré-visualização indisponível: instale Pillow." | ||
| ) | ||
| self.refresh_button.setEnabled(False) | ||
| self.metadata_label.setText("Pré-visualização desativada") | ||
| self._update_controls_enabled(False) |
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[P1] Skip preview rendering when Pillow is unavailable
The new _pillow_available flag disables the preview controls when Pillow cannot be imported, but TemplateEditorWidget._perform_preview_update() still runs and unconditionally calls render_template. When Pillow is missing, that call triggers render.preview._require_pillow() and raises RuntimeError, so opening the editor still crashes despite the UI being disabled. Consider short‑circuiting update_preview/_perform_preview_update when _pillow_available is false so that no rendering is attempted without Pillow.
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Summary
Testing
https://chatgpt.com/codex/tasks/task_e_68dbe9cc3a30832c954f15d561ceee71