Export project settings into BambuLab 3MF

CURA-12101
The printer parses the machine_start_gcode to allow selecting the filaments mapping at start time, without it the user has to set the filaments in fixed order. This is probably a security to ensure the proper filament is loaded at start.

cura/API/Interface/Settings.py

@@ -3,7 +3,7 @@
 
 from dataclasses import asdict
 
-from typing import cast, Dict, TYPE_CHECKING
+from typing import cast, Dict, TYPE_CHECKING, Any
 
 from UM.Settings.InstanceContainer import InstanceContainer
 from UM.Settings.SettingFunction import SettingFunction
@@ -54,6 +54,15 @@ class Settings:
 
         return self.application.getSidebarCustomMenuItems()
 
+    def getAllGlobalSettings(self) -> Dict[str, Any]:
+        global_stack = cast(GlobalStack, self.application.getGlobalContainerStack())
+
+        all_settings = {}
+        for setting in global_stack.getAllKeys():
+            all_settings[setting] = self._retrieveValue(global_stack, setting)
+
+        return all_settings
+
     def getSliceMetadata(self) -> Dict[str, Dict[str, Dict[str, str]]]:
         """Get all changed settings and all settings. For each extruder and the global stack"""
         print_information = self.application.getPrintInformation()
@@ -71,24 +80,16 @@ class Settings:
             "quality": asdict(machine_manager.activeQualityDisplayNameMap()),
         }
 
-        def _retrieveValue(container: InstanceContainer, setting_: str):
-            value_ = container.getProperty(setting_, "value")
-            for _ in range(0, 1024):  # Prevent possibly endless loop by not using a limit.
-                if not isinstance(value_, SettingFunction):
-                    return value_  # Success!
-                value_ = value_(container)
-            return 0  # Fallback value after breaking possibly endless loop.
-
         global_stack = cast(GlobalStack, self.application.getGlobalContainerStack())
 
         # Add global user or quality changes
         global_flattened_changes = InstanceContainer.createMergedInstanceContainer(global_stack.userChanges, global_stack.qualityChanges)
         for setting in global_flattened_changes.getAllKeys():
-            settings["global"]["changes"][setting] = _retrieveValue(global_flattened_changes, setting)
+            settings["global"]["changes"][setting] = self._retrieveValue(global_flattened_changes, setting)
 
         # Get global all settings values without user or quality changes
         for setting in global_stack.getAllKeys():
-            settings["global"]["all_settings"][setting] = _retrieveValue(global_stack, setting)
+            settings["global"]["all_settings"][setting] = self._retrieveValue(global_stack, setting)
 
         for i, extruder in enumerate(global_stack.extruderList):
             # Add extruder fields to settings dictionary
@@ -100,10 +101,19 @@ class Settings:
             # Add extruder user or quality changes
             extruder_flattened_changes = InstanceContainer.createMergedInstanceContainer(extruder.userChanges, extruder.qualityChanges)
             for setting in extruder_flattened_changes.getAllKeys():
-                settings[f"extruder_{i}"]["changes"][setting] = _retrieveValue(extruder_flattened_changes, setting)
+                settings[f"extruder_{i}"]["changes"][setting] = self._retrieveValue(extruder_flattened_changes, setting)
 
             # Get extruder all settings values without user or quality changes
             for setting in extruder.getAllKeys():
-                settings[f"extruder_{i}"]["all_settings"][setting] = _retrieveValue(extruder, setting)
+                settings[f"extruder_{i}"]["all_settings"][setting] = self._retrieveValue(extruder, setting)
 
         return settings
+
+    @staticmethod
+    def _retrieveValue(container: InstanceContainer, setting_: str):
+        value_ = container.getProperty(setting_, "value")
+        for _ in range(0, 1024):  # Prevent possibly endless loop by not using a limit.
+            if not isinstance(value_, SettingFunction):
+                return value_  # Success!
+            value_ = value_(container)
+        return 0  # Fallback value after breaking possibly endless loop.

plugins/3MFWriter/BambuLabVariant.py

@@ -31,6 +31,7 @@ GCODE_MD5_PATH = f"{GCODE_PATH}.md5"
 MODEL_SETTINGS_PATH = f"{METADATA_PATH}/model_settings.config"
 PLATE_DESC_PATH = f"{METADATA_PATH}/plate_1.json"
 SLICE_INFO_PATH = f"{METADATA_PATH}/slice_info.config"
+PROJECT_SETTINGS_PATH = f"{METADATA_PATH}/project_settings.config"
 
 class BambuLabVariant(ThreeMFVariant):
     """BambuLab specific implementation of the 3MF format."""
@@ -48,7 +49,7 @@ class BambuLabVariant(ThreeMFVariant):
         # Add relations elements for thumbnails
         ET.SubElement(relations_element, "Relationship",
                       Target="/" + THUMBNAIL_PATH_MULTIPLATE, Id="rel-2",
-                      Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail")
+                pe="http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail")
         
         ET.SubElement(relations_element, "Relationship",
                       Target="/" + THUMBNAIL_PATH_MULTIPLATE, Id="rel-4",
@@ -74,6 +75,7 @@ class BambuLabVariant(ThreeMFVariant):
         self._storeModelSettings(archive)
         self._storePlateDesc(archive)
         self._storeSliceInfo(archive)
+        self._storeProjectSettings(archive)
 
     def _storeGCode(self, archive: zipfile.ZipFile, metadata_relations_element: ET.Element):
         """Store GCode data in the archive."""
@@ -166,3 +168,9 @@ class BambuLabVariant(ThreeMFVariant):
                              used_g=str(used_g))
 
         self._writer._storeElementTree(archive, SLICE_INFO_PATH, config)
+
+    def _storeProjectSettings(self, archive: zipfile.ZipFile):
+        api = CuraApplication.getInstance().getCuraAPI()
+        file = zipfile.ZipInfo(PROJECT_SETTINGS_PATH)
+        json_string = json.dumps(api.interface.settings.getAllGlobalSettings(), separators=(", ", ": "), indent=4)
+        archive.writestr(file, json_string.encode("UTF-8"))