Method _on_update_symbols_from_library

SLiCAP/schematic/window.py:458–500

Drop the whole frozen symbol cache and reload every symbol fresh from the system library. Unlike "Load selected symbols…", this rebuilds the active library without the schematic's frozen .symbols overlay, refreshes every instance on the canvas, and deletes the

(self)

            )

    def _on_update_symbols_from_library(self):
        """Drop the whole frozen symbol cache and reload every symbol fresh from
        the system library.

        Unlike "Load selected symbols…", this rebuilds the active library without
        the schematic&#x27;s frozen <name>.symbols overlay, refreshes every instance on
        the canvas, and deletes the on-disk cache (it is regenerated on save).
        Pin positions may move, so connections can break — restoring them is left
        to the user."""
        from .component_item import ComponentItem
        ret = QMessageBox.warning(
            self, "Update symbols from library",
            "This deletes the schematic's symbol cache and reloads every symbol "
            "from the system library, refreshing all instances on the canvas.\n\n"
            "Pin positions may differ from the cached symbols, which can break "
            "existing wire connections — restoring them is up to you.\n\nProceed?",
            QMessageBox.Yes | QMessageBox.No, QMessageBox.No,
        )
        if ret != QMessageBox.Yes:
            return

        # Rebuild the active library from the system (+ project lib/) symbols,
        # dropping the frozen overlay, and republish the metadata.
        self._build_library(None)
        for item in self._scene.items():
            if isinstance(item, ComponentItem):
                svg = self._library.svg_bytes(item.symbol_name)
                if svg is not None:
                    item.reload_svg(svg)
        self._scene._sync_junctions()

        # Delete the on-disk cache so it is regenerated from the live library on
        # the next save.
        cache = project.symbols_path()
        if cache is not None and cache.is_file():
            cache.unlink()
        self._dirty = True

        QMessageBox.information(
            self, "Update symbols from library",
            "All symbols reloaded from the system library.\n\n"
            "Save the schematic to regenerate its symbol cache.",
        )

    def _on_place_text(self):
        from .text_dialog import TextDialog