# Copyright (c) 2021 Ultimaker B.V. # Cura is released under the terms of the LGPLv3 or higher. from configparser import ConfigParser import zipfile import os import json from typing import cast, Dict, List, Optional, Tuple, Any, Set import xml.etree.ElementTree as ET from UM.Util import parseBool from UM.Workspace.WorkspaceReader import WorkspaceReader from UM.Application import Application from UM.Logger import Logger from UM.Message import Message from UM.i18n import i18nCatalog from UM.Settings.ContainerFormatError import ContainerFormatError from UM.Settings.ContainerStack import ContainerStack from UM.Settings.DefinitionContainer import DefinitionContainer from UM.Settings.InstanceContainer import InstanceContainer from UM.Settings.ContainerRegistry import ContainerRegistry from UM.MimeTypeDatabase import MimeTypeDatabase, MimeType from UM.Job import Job from UM.Preferences import Preferences from cura.CuraPackageManager import CuraPackageManager from cura.Machines.ContainerTree import ContainerTree from cura.Settings.CuraStackBuilder import CuraStackBuilder from cura.Settings.ExtruderManager import ExtruderManager from cura.Settings.ExtruderStack import ExtruderStack from cura.Settings.GlobalStack import GlobalStack from cura.Settings.IntentManager import IntentManager from cura.Settings.CuraContainerStack import _ContainerIndexes from cura.CuraApplication import CuraApplication from cura.Utils.Threading import call_on_qt_thread from PyQt6.QtCore import QCoreApplication from .WorkspaceDialog import WorkspaceDialog i18n_catalog = i18nCatalog("cura") _ignored_machine_network_metadata: Set[str] = { "um_cloud_cluster_id", "um_network_key", "um_linked_to_account", "host_guid", "removal_warning", "group_name", "group_size", "connection_type", "capabilities", "octoprint_api_key", "is_abstract_machine" } class ContainerInfo: def __init__(self, file_name: Optional[str], serialized: Optional[str], parser: Optional[ConfigParser]) -> None: self.file_name = file_name self.serialized = serialized self.parser = parser self.container = None self.definition_id = None class QualityChangesInfo: def __init__(self) -> None: self.name: Optional[str] = None self.global_info = None self.extruder_info_dict: Dict[str, ContainerInfo] = {} class MachineInfo: def __init__(self) -> None: self.container_id: Optional[str] = None self.name: Optional[str] = None self.definition_id: Optional[str] = None self.metadata_dict: Dict[str, str] = {} self.quality_type: Optional[str] = None self.intent_category: Optional[str] = None self.custom_quality_name: Optional[str] = None self.quality_changes_info: Optional[QualityChangesInfo] = None self.variant_info: Optional[ContainerInfo] = None self.definition_changes_info: Optional[ContainerInfo] = None self.user_changes_info: Optional[ContainerInfo] = None self.extruder_info_dict: Dict[str, str] = {} class ExtruderInfo: def __init__(self) -> None: self.position = None self.enabled = True self.variant_info: Optional[ContainerInfo] = None self.root_material_id: Optional[str] = None self.definition_changes_info: Optional[ContainerInfo] = None self.user_changes_info: Optional[ContainerInfo] = None self.intent_info: Optional[ContainerInfo] = None class ThreeMFWorkspaceReader(WorkspaceReader): """Base implementation for reading 3MF workspace files.""" def __init__(self) -> None: super().__init__() self._supported_extensions = [".3mf"] self._dialog = WorkspaceDialog() self._3mf_mesh_reader = None self._container_registry = ContainerRegistry.getInstance() # suffixes registered with the MimeTypes don't start with a dot '.' self._definition_container_suffix = "." + cast(MimeType, ContainerRegistry.getMimeTypeForContainer(DefinitionContainer)).preferredSuffix self._material_container_suffix = None # We have to wait until all other plugins are loaded before we can set it self._instance_container_suffix = "." + cast(MimeType, ContainerRegistry.getMimeTypeForContainer(InstanceContainer)).preferredSuffix self._container_stack_suffix = "." + cast(MimeType, ContainerRegistry.getMimeTypeForContainer(ContainerStack)).preferredSuffix self._extruder_stack_suffix = "." + cast(MimeType, ContainerRegistry.getMimeTypeForContainer(ExtruderStack)).preferredSuffix self._global_stack_suffix = "." + cast(MimeType, ContainerRegistry.getMimeTypeForContainer(GlobalStack)).preferredSuffix # Certain instance container types are ignored because we make the assumption that only we make those types # of containers. They are: # - quality # - variant self._ignored_instance_container_types = {"quality", "variant"} self._resolve_strategies: Dict[str, str] = {} self._id_mapping: Dict[str, str] = {} # In Cura 2.5 and 2.6, the empty profiles used to have those long names self._old_empty_profile_id_dict = {"empty_%s" % k: "empty" for k in ["material", "variant"]} self._old_new_materials: Dict[str, str] = {} self._machine_info = None def _clearState(self): self._id_mapping = {} self._old_new_materials = {} self._machine_info = None def getNewId(self, old_id: str): """Get a unique name based on the old_id. This is different from directly calling the registry in that it caches results. This has nothing to do with speed, but with getting consistent new naming for instances & objects. """ if old_id not in self._id_mapping: self._id_mapping[old_id] = self._container_registry.uniqueName(old_id) return self._id_mapping[old_id] def _determineGlobalAndExtruderStackFiles(self, project_file_name: str, file_list: List[str]) -> Tuple[str, List[str]]: """Separates the given file list into a list of GlobalStack files and a list of ExtruderStack files. In old versions, extruder stack files have the same suffix as container stack files ".stack.cfg". """ archive = zipfile.ZipFile(project_file_name, "r") global_stack_file_list = [name for name in file_list if name.endswith(self._global_stack_suffix)] extruder_stack_file_list = [name for name in file_list if name.endswith(self._extruder_stack_suffix)] # separate container stack files and extruder stack files files_to_determine = [name for name in file_list if name.endswith(self._container_stack_suffix)] for file_name in files_to_determine: # FIXME: HACK! # We need to know the type of the stack file, but we can only know it if we deserialize it. # The default ContainerStack.deserialize() will connect signals, which is not desired in this case. # Since we know that the stack files are INI files, so we directly use the ConfigParser to parse them. serialized = archive.open(file_name).read().decode("utf-8") stack_config = ConfigParser(interpolation = None) stack_config.read_string(serialized) # sanity check if not stack_config.has_option("metadata", "type"): Logger.log("e", "%s in %s doesn't seem to be valid stack file", file_name, project_file_name) continue stack_type = stack_config.get("metadata", "type") if stack_type == "extruder_train": extruder_stack_file_list.append(file_name) elif stack_type == "machine": global_stack_file_list.append(file_name) else: Logger.log("w", "Unknown container stack type '%s' from %s in %s", stack_type, file_name, project_file_name) if len(global_stack_file_list) > 1: Logger.log("e", "More than one global stack file found: [{file_list}]".format(file_list = global_stack_file_list)) #But we can recover by just getting the first global stack file. if len(global_stack_file_list) == 0: Logger.log("e", "No global stack file found!") raise FileNotFoundError("No global stack file found!") return global_stack_file_list[0], extruder_stack_file_list def preRead(self, file_name, show_dialog=True, *args, **kwargs): """Read some info so we can make decisions :param file_name: :param show_dialog: In case we use preRead() to check if a file is a valid project file, we don't want to show a dialog. """ self._clearState() self._3mf_mesh_reader = Application.getInstance().getMeshFileHandler().getReaderForFile(file_name) if self._3mf_mesh_reader and self._3mf_mesh_reader.preRead(file_name) == WorkspaceReader.PreReadResult.accepted: pass else: Logger.log("w", "Could not find reader that was able to read the scene data for 3MF workspace") return WorkspaceReader.PreReadResult.failed self._machine_info = MachineInfo() machine_type = "" variant_type_name = i18n_catalog.i18nc("@label", "Nozzle") # Check if there are any conflicts, so we can ask the user. archive = zipfile.ZipFile(file_name, "r") cura_file_names = [name for name in archive.namelist() if name.startswith("Cura/")] resolve_strategy_keys = ["machine", "material", "quality_changes"] self._resolve_strategies = {k: None for k in resolve_strategy_keys} containers_found_dict = {k: False for k in resolve_strategy_keys} # # Read definition containers # machine_definition_id = None updatable_machines = [] machine_definition_container_count = 0 extruder_definition_container_count = 0 definition_container_files = [name for name in cura_file_names if name.endswith(self._definition_container_suffix)] for definition_container_file in definition_container_files: container_id = self._stripFileToId(definition_container_file) definitions = self._container_registry.findDefinitionContainersMetadata(id = container_id) serialized = archive.open(definition_container_file).read().decode("utf-8") if not definitions: definition_container = DefinitionContainer.deserializeMetadata(serialized, container_id)[0] else: definition_container = definitions[0] definition_container_type = definition_container.get("type") if definition_container_type == "machine": machine_definition_id = container_id machine_definition_containers = self._container_registry.findDefinitionContainers(id = machine_definition_id) if machine_definition_containers: updatable_machines = [machine for machine in self._container_registry.findContainerStacks(type = "machine") if machine.definition == machine_definition_containers[0]] machine_type = definition_container["name"] variant_type_name = definition_container.get("variants_name", variant_type_name) machine_definition_container_count += 1 elif definition_container_type == "extruder": extruder_definition_container_count += 1 else: Logger.log("w", "Unknown definition container type %s for %s", definition_container_type, definition_container_file) QCoreApplication.processEvents() # Ensure that the GUI does not freeze. Job.yieldThread() if machine_definition_container_count != 1: return WorkspaceReader.PreReadResult.failed # Not a workspace file but ordinary 3MF. material_ids_to_names_map = {} material_conflict = False xml_material_profile = self._getXmlProfileClass() reverse_material_id_dict = {} if self._material_container_suffix is None: self._material_container_suffix = ContainerRegistry.getMimeTypeForContainer(xml_material_profile).preferredSuffix if xml_material_profile: material_container_files = [name for name in cura_file_names if name.endswith(self._material_container_suffix)] for material_container_file in material_container_files: container_id = self._stripFileToId(material_container_file) serialized = archive.open(material_container_file).read().decode("utf-8") metadata_list = xml_material_profile.deserializeMetadata(serialized, container_id) reverse_map = {metadata["id"]: container_id for metadata in metadata_list} reverse_material_id_dict.update(reverse_map) material_ids_to_names_map[container_id] = self._getMaterialLabelFromSerialized(serialized) if self._container_registry.findContainersMetadata(id = container_id): #This material already exists. containers_found_dict["material"] = True if not self._container_registry.isReadOnly(container_id): # Only non readonly materials can be in conflict material_conflict = True QCoreApplication.processEvents() # Ensure that the GUI does not freeze. Job.yieldThread() # Check if any quality_changes instance container is in conflict. instance_container_files = [name for name in cura_file_names if name.endswith(self._instance_container_suffix)] quality_name = "" custom_quality_name = "" intent_name = "" intent_category = "" num_settings_overridden_by_quality_changes = 0 # How many settings are changed by the quality changes num_user_settings = 0 quality_changes_conflict = False self._machine_info.quality_changes_info = QualityChangesInfo() quality_changes_info_list = [] instance_container_info_dict = {} # id -> parser for instance_container_file_name in instance_container_files: container_id = self._stripFileToId(instance_container_file_name) serialized = archive.open(instance_container_file_name).read().decode("utf-8") # Qualities and variants don't have upgrades, so don't upgrade them parser = ConfigParser(interpolation = None, comment_prefixes = ()) parser.read_string(serialized) container_type = parser["metadata"]["type"] if container_type not in ("quality", "variant"): serialized = InstanceContainer._updateSerialized(serialized, instance_container_file_name) parser = ConfigParser(interpolation = None, comment_prefixes = ()) parser.read_string(serialized) container_info = ContainerInfo(instance_container_file_name, serialized, parser) instance_container_info_dict[container_id] = container_info container_type = parser["metadata"]["type"] if container_type == "quality_changes": quality_changes_info_list.append(container_info) if not parser.has_option("metadata", "position"): self._machine_info.quality_changes_info.name = parser["general"]["name"] self._machine_info.quality_changes_info.global_info = container_info else: position = parser["metadata"]["position"] self._machine_info.quality_changes_info.extruder_info_dict[position] = container_info custom_quality_name = parser["general"]["name"] values = parser["values"] if parser.has_section("values") else dict() num_settings_overridden_by_quality_changes += len(values) # Check if quality changes already exists. quality_changes = self._container_registry.findInstanceContainers(name = custom_quality_name, type = "quality_changes") if quality_changes: containers_found_dict["quality_changes"] = True # Check if there really is a conflict by comparing the values instance_container = InstanceContainer(container_id) try: instance_container.deserialize(serialized, file_name = instance_container_file_name) except ContainerFormatError: Logger.logException("e", "Failed to deserialize InstanceContainer %s from project file %s", instance_container_file_name, file_name) return ThreeMFWorkspaceReader.PreReadResult.failed if quality_changes[0] != instance_container: quality_changes_conflict = True elif container_type == "quality": if not quality_name: quality_name = parser["general"]["name"] elif container_type == "intent": if not intent_name: intent_name = parser["general"]["name"] intent_category = parser["metadata"]["intent_category"] elif container_type == "user": num_user_settings += len(parser["values"]) elif container_type in self._ignored_instance_container_types: # Ignore certain instance container types Logger.log("w", "Ignoring instance container [%s] with type [%s]", container_id, container_type) continue QCoreApplication.processEvents() # Ensure that the GUI does not freeze. Job.yieldThread() if self._machine_info.quality_changes_info.global_info is None: self._machine_info.quality_changes_info = None # Load ContainerStack files and ExtruderStack files try: global_stack_file, extruder_stack_files = self._determineGlobalAndExtruderStackFiles( file_name, cura_file_names) except FileNotFoundError: return WorkspaceReader.PreReadResult.failed machine_conflict = False # Because there can be cases as follows: # - the global stack exists but some/all of the extruder stacks DON'T exist # - the global stack DOESN'T exist but some/all of the extruder stacks exist # To simplify this, only check if the global stack exists or not global_stack_id = self._stripFileToId(global_stack_file) serialized = archive.open(global_stack_file).read().decode("utf-8") serialized = GlobalStack._updateSerialized(serialized, global_stack_file) machine_name = self._getMachineNameFromSerializedStack(serialized) self._machine_info.metadata_dict = self._getMetaDataDictFromSerializedStack(serialized) # Check if the definition has been changed (this usually happens due to an upgrade) id_list = self._getContainerIdListFromSerialized(serialized) if id_list[7] != machine_definition_id: machine_definition_id = id_list[7] stacks = self._container_registry.findContainerStacks(name = machine_name, type = "machine") existing_global_stack = None global_stack = None if stacks: global_stack = stacks[0] existing_global_stack = global_stack containers_found_dict["machine"] = True # Check if there are any changes at all in any of the container stacks. for index, container_id in enumerate(id_list): # take into account the old empty container IDs container_id = self._old_empty_profile_id_dict.get(container_id, container_id) if global_stack.getContainer(index).getId() != container_id: machine_conflict = True break if updatable_machines and not containers_found_dict["machine"]: containers_found_dict["machine"] = True # Get quality type parser = ConfigParser(interpolation = None) parser.read_string(serialized) quality_container_id = parser["containers"][str(_ContainerIndexes.Quality)] quality_type = "empty_quality" if quality_container_id not in ("empty", "empty_quality"): if quality_container_id in instance_container_info_dict: quality_type = instance_container_info_dict[quality_container_id].parser["metadata"]["quality_type"] else: # If a version upgrade changed the quality profile in the stack, we'll need to look for it in the built-in profiles instead of the workspace. quality_matches = ContainerRegistry.getInstance().findContainersMetadata(id = quality_container_id) if quality_matches: # If there's no profile with this ID, leave it empty_quality. quality_type = quality_matches[0]["quality_type"] # Get machine info serialized = archive.open(global_stack_file).read().decode("utf-8") serialized = GlobalStack._updateSerialized(serialized, global_stack_file) parser = ConfigParser(interpolation = None) parser.read_string(serialized) definition_changes_id = parser["containers"][str(_ContainerIndexes.DefinitionChanges)] if definition_changes_id not in ("empty", "empty_definition_changes"): self._machine_info.definition_changes_info = instance_container_info_dict[definition_changes_id] user_changes_id = parser["containers"][str(_ContainerIndexes.UserChanges)] if user_changes_id not in ("empty", "empty_user_changes"): self._machine_info.user_changes_info = instance_container_info_dict[user_changes_id] # Also check variant and material in case it doesn't have extruder stacks if not extruder_stack_files: position = "0" extruder_info = ExtruderInfo() extruder_info.position = position variant_id = parser["containers"][str(_ContainerIndexes.Variant)] material_id = parser["containers"][str(_ContainerIndexes.Material)] if variant_id not in ("empty", "empty_variant"): extruder_info.variant_info = instance_container_info_dict[variant_id] if material_id not in ("empty", "empty_material"): root_material_id = reverse_material_id_dict[material_id] extruder_info.root_material_id = root_material_id self._machine_info.extruder_info_dict[position] = extruder_info else: variant_id = parser["containers"][str(_ContainerIndexes.Variant)] if variant_id not in ("empty", "empty_variant"): self._machine_info.variant_info = instance_container_info_dict[variant_id] QCoreApplication.processEvents() # Ensure that the GUI does not freeze. Job.yieldThread() materials_in_extruders_dict = {} # Which material is in which extruder # If the global stack is found, we check if there are conflicts in the extruder stacks for extruder_stack_file in extruder_stack_files: serialized = archive.open(extruder_stack_file).read().decode("utf-8") not_upgraded_parser = ConfigParser(interpolation=None) not_upgraded_parser.read_string(serialized) serialized = ExtruderStack._updateSerialized(serialized, extruder_stack_file) parser = ConfigParser(interpolation=None) parser.read_string(serialized) # The check should be done for the extruder stack that's associated with the existing global stack, # and those extruder stacks may have different IDs. # So we check according to the positions position = parser["metadata"]["position"] variant_id = parser["containers"][str(_ContainerIndexes.Variant)] material_id = parser["containers"][str(_ContainerIndexes.Material)] extruder_info = ExtruderInfo() extruder_info.position = position if parser.has_option("metadata", "enabled"): extruder_info.enabled = parser["metadata"]["enabled"] if variant_id not in ("empty", "empty_variant"): if variant_id in instance_container_info_dict: extruder_info.variant_info = instance_container_info_dict[variant_id] if material_id not in ("empty", "empty_material"): root_material_id = reverse_material_id_dict[material_id] extruder_info.root_material_id = root_material_id materials_in_extruders_dict[position] = material_ids_to_names_map[reverse_material_id_dict[material_id]] definition_changes_id = parser["containers"][str(_ContainerIndexes.DefinitionChanges)] if definition_changes_id not in ("empty", "empty_definition_changes"): extruder_info.definition_changes_info = instance_container_info_dict[definition_changes_id] user_changes_id = parser["containers"][str(_ContainerIndexes.UserChanges)] if user_changes_id not in ("empty", "empty_user_changes"): extruder_info.user_changes_info = instance_container_info_dict[user_changes_id] self._machine_info.extruder_info_dict[position] = extruder_info intent_container_id = parser["containers"][str(_ContainerIndexes.Intent)] intent_id = parser["containers"][str(_ContainerIndexes.Intent)] if intent_id not in ("empty", "empty_intent"): if intent_container_id in instance_container_info_dict: extruder_info.intent_info = instance_container_info_dict[intent_id] else: # It can happen that an intent has been renamed. In that case, we should still use the old # name, since we used that to generate the instance_container_info_dict keys. extruder_info.intent_info = instance_container_info_dict[not_upgraded_parser["containers"][str(_ContainerIndexes.Intent)]] if not machine_conflict and containers_found_dict["machine"] and global_stack: if int(position) >= len(global_stack.extruderList): continue existing_extruder_stack = global_stack.extruderList[int(position)] # Check if there are any changes at all in any of the container stacks. id_list = self._getContainerIdListFromSerialized(serialized) for index, container_id in enumerate(id_list): # Take into account the old empty container IDs container_id = self._old_empty_profile_id_dict.get(container_id, container_id) if existing_extruder_stack.getContainer(index).getId() != container_id: machine_conflict = True break # Now we know which material is in which extruder. Let's use that to sort the material_labels according to # their extruder position material_labels = [material_name for pos, material_name in sorted(materials_in_extruders_dict.items())] machine_extruder_count = self._getMachineExtruderCount() if machine_extruder_count: material_labels = material_labels[:machine_extruder_count] num_visible_settings = 0 try: temp_preferences = Preferences() serialized = archive.open("Cura/preferences.cfg").read().decode("utf-8") temp_preferences.deserialize(serialized) visible_settings_string = temp_preferences.getValue("general/visible_settings") has_visible_settings_string = visible_settings_string is not None if visible_settings_string is not None: num_visible_settings = len(visible_settings_string.split(";")) active_mode = temp_preferences.getValue("cura/active_mode") if not active_mode: active_mode = Application.getInstance().getPreferences().getValue("cura/active_mode") except KeyError: # If there is no preferences file, it's not a workspace, so notify user of failure. Logger.log("w", "File %s is not a valid workspace.", file_name) return WorkspaceReader.PreReadResult.failed # Check if the machine definition exists. If not, indicate failure because we do not import definition files. def_results = self._container_registry.findDefinitionContainersMetadata(id = machine_definition_id) if not def_results: message = Message(i18n_catalog.i18nc("@info:status Don't translate the XML tags or !", "Project file {0} contains an unknown machine type" " {1}. Cannot import the machine." " Models will be imported instead.", file_name, machine_definition_id), title = i18n_catalog.i18nc("@info:title", "Open Project File"), message_type = Message.MessageType.WARNING) message.show() Logger.log("i", "Could unknown machine definition %s in project file %s, cannot import it.", self._machine_info.definition_id, file_name) return WorkspaceReader.PreReadResult.failed # In case we use preRead() to check if a file is a valid project file, we don't want to show a dialog. if not show_dialog: return WorkspaceReader.PreReadResult.accepted # prepare data for the dialog num_extruders = extruder_definition_container_count if num_extruders == 0: num_extruders = 1 # No extruder stacks found, which means there is one extruder extruders = num_extruders * [""] quality_name = custom_quality_name if custom_quality_name else quality_name self._machine_info.container_id = global_stack_id self._machine_info.name = machine_name self._machine_info.definition_id = machine_definition_id self._machine_info.quality_type = quality_type self._machine_info.custom_quality_name = quality_name self._machine_info.intent_category = intent_category is_printer_group = False if machine_conflict: group_name = existing_global_stack.getMetaDataEntry("group_name") if group_name is not None: is_printer_group = True machine_name = group_name # Getting missing required package ids package_metadata = self._parse_packages_metadata(archive) missing_package_metadata = self._filter_missing_package_metadata(package_metadata) # Show the dialog, informing the user what is about to happen. self._dialog.setMachineConflict(machine_conflict) self._dialog.setIsPrinterGroup(is_printer_group) self._dialog.setQualityChangesConflict(quality_changes_conflict) self._dialog.setMaterialConflict(material_conflict) self._dialog.setHasVisibleSettingsField(has_visible_settings_string) self._dialog.setNumVisibleSettings(num_visible_settings) self._dialog.setQualityName(quality_name) self._dialog.setQualityType(quality_type) self._dialog.setIntentName(intent_name) self._dialog.setNumSettingsOverriddenByQualityChanges(num_settings_overridden_by_quality_changes) self._dialog.setNumUserSettings(num_user_settings) self._dialog.setActiveMode(active_mode) self._dialog.setUpdatableMachines(updatable_machines) self._dialog.setMaterialLabels(material_labels) self._dialog.setMachineType(machine_type) self._dialog.setExtruders(extruders) self._dialog.setVariantType(variant_type_name) self._dialog.setHasObjectsOnPlate(Application.getInstance().platformActivity) self._dialog.setMissingPackagesMetadata(missing_package_metadata) self._dialog.show() # Choosing the initially selected printer in MachineSelector is_networked_machine = False is_abstract_machine = False if global_stack and isinstance(global_stack, GlobalStack): # The machine included in the project file exists locally already, no need to change selected printers. is_networked_machine = global_stack.hasNetworkedConnection() is_abstract_machine = parseBool(existing_global_stack.getMetaDataEntry("is_abstract_machine", False)) self._dialog.setMachineToOverride(global_stack.getId()) self._dialog.setResolveStrategy("machine", "override") elif self._dialog.updatableMachinesModel.count > 0: # The machine included in the project file does not exist. There is another machine of the same type. # This will always default to an abstract machine first. machine = self._dialog.updatableMachinesModel.getItem(0) machine_name = machine["name"] is_networked_machine = machine["isNetworked"] is_abstract_machine = machine["isAbstractMachine"] self._dialog.setMachineToOverride(machine["id"]) self._dialog.setResolveStrategy("machine", "override") else: # The machine included in the project file does not exist. There are no other printers of the same type. Default to "Create New". machine_name = i18n_catalog.i18nc("@button", "Create new") is_networked_machine = False is_abstract_machine = False self._dialog.setMachineToOverride(None) self._dialog.setResolveStrategy("machine", "new") self._dialog.setIsNetworkedMachine(is_networked_machine) self._dialog.setIsAbstractMachine(is_abstract_machine) self._dialog.setMachineName(machine_name) # Block until the dialog is closed. self._dialog.waitForClose() if self._dialog.getResult() == {}: return WorkspaceReader.PreReadResult.cancelled self._resolve_strategies = self._dialog.getResult() # # There can be 3 resolve strategies coming from the dialog: # - new: create a new container # - override: override the existing container # - None: There is no conflict, which means containers with the same IDs may or may not be there already. # If there is an existing container, there is no conflict between them, and default to "override" # If there is no existing container, default to "new" # # Default values for key, strategy in self._resolve_strategies.items(): if key not in containers_found_dict or strategy is not None: continue self._resolve_strategies[key] = "override" if containers_found_dict[key] else "new" return WorkspaceReader.PreReadResult.accepted @call_on_qt_thread def read(self, file_name): """Read the project file Add all the definitions / materials / quality changes that do not exist yet. Then it loads all the stacks into the container registry. In some cases it will reuse the container for the global stack. It handles old style project files containing .stack.cfg as well as new style project files containing global.cfg / extruder.cfg :param file_name: """ application = CuraApplication.getInstance() try: archive = zipfile.ZipFile(file_name, "r") except EnvironmentError as e: message = Message(i18n_catalog.i18nc("@info:error Don't translate the XML tags or !", "Project file {0} is suddenly inaccessible: {1}.", file_name, str(e)), title = i18n_catalog.i18nc("@info:title", "Can't Open Project File"), message_type = Message.MessageType.ERROR) message.show() self.setWorkspaceName("") return [], {} except zipfile.BadZipFile as e: message = Message(i18n_catalog.i18nc("@info:error Don't translate the XML tags or !", "Project file {0} is corrupt: {1}.", file_name, str(e)), title = i18n_catalog.i18nc("@info:title", "Can't Open Project File"), message_type = Message.MessageType.ERROR) message.show() self.setWorkspaceName("") return [], {} cura_file_names = [name for name in archive.namelist() if name.startswith("Cura/")] # Create a shadow copy of the preferences (We don't want all of the preferences, but we do want to re-use its # parsing code. temp_preferences = Preferences() try: serialized = archive.open("Cura/preferences.cfg").read().decode("utf-8") except KeyError as e: # If there is no preferences file, it's not a workspace, so notify user of failure. Logger.log("w", "File %s is not a valid workspace.", file_name) message = Message(i18n_catalog.i18nc("@info:error Don't translate the XML tags or !", "Project file {0} is corrupt: {1}.", file_name, str(e)), title=i18n_catalog.i18nc("@info:title", "Can't Open Project File"), message_type=Message.MessageType.ERROR) message.show() self.setWorkspaceName("") return [], {} temp_preferences.deserialize(serialized) # Copy a number of settings from the temp preferences to the global global_preferences = application.getInstance().getPreferences() visible_settings = temp_preferences.getValue("general/visible_settings") if visible_settings is None: Logger.log("w", "Workspace did not contain visible settings. Leaving visibility unchanged") else: global_preferences.setValue("general/visible_settings", visible_settings) global_preferences.setValue("cura/active_setting_visibility_preset", "custom") categories_expanded = temp_preferences.getValue("cura/categories_expanded") if categories_expanded is None: Logger.log("w", "Workspace did not contain expanded categories. Leaving them unchanged") else: global_preferences.setValue("cura/categories_expanded", categories_expanded) application.expandedCategoriesChanged.emit() # Notify the GUI of the change # If there are no machines of the same type, create a new machine. if self._resolve_strategies["machine"] != "override" or self._dialog.updatableMachinesModel.count == 0: # We need to create a new machine machine_name = self._container_registry.uniqueName(self._machine_info.name) # Printers with modifiable number of extruders (such as CFFF) will specify a machine_extruder_count in their # quality_changes file. If that's the case, take the extruder count into account when creating the machine # or else the extruderList will return only the first extruder, leading to missing non-global settings in # the other extruders. machine_extruder_count: Optional[int] = self._getMachineExtruderCount() global_stack = CuraStackBuilder.createMachine(machine_name, self._machine_info.definition_id, machine_extruder_count) if global_stack: # Only switch if creating the machine was successful. extruder_stack_dict = {str(position): extruder for position, extruder in enumerate(global_stack.extruderList)} self._container_registry.addContainer(global_stack) else: # Find the machine which will be overridden global_stacks = self._container_registry.findContainerStacks(id = self._dialog.getMachineToOverride(), type = "machine") if not global_stacks: message = Message(i18n_catalog.i18nc("@info:error Don't translate the XML tag !", "Project file {0} is made using profiles that are unknown to this version of UltiMaker Cura.", file_name), message_type = Message.MessageType.ERROR) message.show() self.setWorkspaceName("") return [], {} global_stack = global_stacks[0] extruder_stacks = self._container_registry.findContainerStacks(machine = global_stack.getId(), type = "extruder_train") extruder_stack_dict = {stack.getMetaDataEntry("position"): stack for stack in extruder_stacks} # Make sure that those extruders have the global stack as the next stack or later some value evaluation # will fail. for stack in extruder_stacks: stack.setNextStack(global_stack, connect_signals = False) Logger.log("d", "Workspace loading is checking definitions...") # Get all the definition files & check if they exist. If not, add them. definition_container_files = [name for name in cura_file_names if name.endswith(self._definition_container_suffix)] for definition_container_file in definition_container_files: container_id = self._stripFileToId(definition_container_file) definitions = self._container_registry.findDefinitionContainersMetadata(id = container_id) if not definitions: definition_container = DefinitionContainer(container_id) try: definition_container.deserialize(archive.open(definition_container_file).read().decode("utf-8"), file_name = definition_container_file) except ContainerFormatError: # We cannot just skip the definition file because everything else later will just break if the # machine definition cannot be found. Logger.logException("e", "Failed to deserialize definition file %s in project file %s", definition_container_file, file_name) definition_container = self._container_registry.findDefinitionContainers(id = "fdmprinter")[0] #Fall back to defaults. self._container_registry.addContainer(definition_container) Job.yieldThread() QCoreApplication.processEvents() # Ensure that the GUI does not freeze. Logger.log("d", "Workspace loading is checking materials...") # Get all the material files and check if they exist. If not, add them. xml_material_profile = self._getXmlProfileClass() if self._material_container_suffix is None: self._material_container_suffix = ContainerRegistry.getMimeTypeForContainer(xml_material_profile).suffixes[0] if xml_material_profile: material_container_files = [name for name in cura_file_names if name.endswith(self._material_container_suffix)] for material_container_file in material_container_files: to_deserialize_material = False container_id = self._stripFileToId(material_container_file) need_new_name = False materials = self._container_registry.findInstanceContainers(id = container_id) if not materials: # No material found, deserialize this material later and add it to_deserialize_material = True else: material_container = materials[0] old_material_root_id = material_container.getMetaDataEntry("base_file") if old_material_root_id is not None and not self._container_registry.isReadOnly(old_material_root_id): # Only create new materials if they are not read only. to_deserialize_material = True if self._resolve_strategies["material"] == "override": # Remove the old materials and then deserialize the one from the project root_material_id = material_container.getMetaDataEntry("base_file") application.getContainerRegistry().removeContainer(root_material_id) elif self._resolve_strategies["material"] == "new": # Note that we *must* deserialize it with a new ID, as multiple containers will be # auto created & added. container_id = self.getNewId(container_id) self._old_new_materials[old_material_root_id] = container_id need_new_name = True if to_deserialize_material: material_container = xml_material_profile(container_id) try: material_container.deserialize(archive.open(material_container_file).read().decode("utf-8"), file_name = container_id + "." + self._material_container_suffix) except ContainerFormatError: Logger.logException("e", "Failed to deserialize material file %s in project file %s", material_container_file, file_name) continue if need_new_name: new_name = ContainerRegistry.getInstance().uniqueName(material_container.getName()) material_container.setName(new_name) material_container.setDirty(True) self._container_registry.addContainer(material_container) Job.yieldThread() QCoreApplication.processEvents() # Ensure that the GUI does not freeze. if global_stack: # Handle quality changes if any self._processQualityChanges(global_stack) # Prepare the machine self._applyChangesToMachine(global_stack, extruder_stack_dict) Logger.log("d", "Workspace loading is notifying rest of the code of changes...") # Actually change the active machine. # # This is scheduled for later is because it depends on the Variant/Material/Qualitiy Managers to have the latest # data, but those managers will only update upon a container/container metadata changed signal. Because this # function is running on the main thread (Qt thread), although those "changed" signals have been emitted, but # they won't take effect until this function is done. # To solve this, we schedule _updateActiveMachine() for later so it will have the latest data. self._updateActiveMachine(global_stack) # Load all the nodes / mesh data of the workspace nodes = self._3mf_mesh_reader.read(file_name) if nodes is None: nodes = [] base_file_name = os.path.basename(file_name) self.setWorkspaceName(base_file_name) return nodes, self._loadMetadata(file_name) @staticmethod def _loadMetadata(file_name: str) -> Dict[str, Dict[str, Any]]: result: Dict[str, Dict[str, Any]] = dict() try: archive = zipfile.ZipFile(file_name, "r") except zipfile.BadZipFile: Logger.logException("w", "Unable to retrieve metadata from {fname}: 3MF archive is corrupt.".format(fname = file_name)) return result except EnvironmentError as e: Logger.logException("w", "Unable to retrieve metadata from {fname}: File is inaccessible. Error: {err}".format(fname = file_name, err = str(e))) return result metadata_files = [name for name in archive.namelist() if name.endswith("plugin_metadata.json")] for metadata_file in metadata_files: try: plugin_id = metadata_file.split("/")[0] result[plugin_id] = json.loads(archive.open("%s/plugin_metadata.json" % plugin_id).read().decode("utf-8")) except Exception: Logger.logException("w", "Unable to retrieve metadata for %s", metadata_file) return result def _processQualityChanges(self, global_stack): if self._machine_info.quality_changes_info is None: return # If we have custom profiles, load them quality_changes_name = self._machine_info.quality_changes_info.name if self._machine_info.quality_changes_info is not None: Logger.log("i", "Loading custom profile [%s] from project file", self._machine_info.quality_changes_info.name) # Get the correct extruder definition IDs for quality changes machine_definition_id_for_quality = ContainerTree.getInstance().machines[global_stack.definition.getId()].quality_definition machine_definition_for_quality = self._container_registry.findDefinitionContainers(id = machine_definition_id_for_quality)[0] quality_changes_info = self._machine_info.quality_changes_info quality_changes_quality_type = quality_changes_info.global_info.parser["metadata"]["quality_type"] # quality changes container may not be present for every extruder. Prepopulate the dict with default values. quality_changes_intent_category_per_extruder = {position: "default" for position in self._machine_info.extruder_info_dict} for position, info in quality_changes_info.extruder_info_dict.items(): quality_changes_intent_category_per_extruder[position] = info.parser["metadata"].get("intent_category", "default") quality_changes_name = quality_changes_info.name create_new = self._resolve_strategies.get("quality_changes") != "override" if create_new: container_info_dict = {None: self._machine_info.quality_changes_info.global_info} container_info_dict.update(quality_changes_info.extruder_info_dict) quality_changes_name = self._container_registry.uniqueName(quality_changes_name) for position, container_info in container_info_dict.items(): extruder_stack = None intent_category: Optional[str] = None if position is not None: try: extruder_stack = global_stack.extruderList[int(position)] except IndexError: continue intent_category = quality_changes_intent_category_per_extruder[position] container = self._createNewQualityChanges(quality_changes_quality_type, intent_category, quality_changes_name, global_stack, extruder_stack) container_info.container = container self._container_registry.addContainer(container) Logger.log("d", "Created new quality changes container [%s]", container.getId()) else: # Find the existing containers quality_changes_containers = self._container_registry.findInstanceContainers(name = quality_changes_name, type = "quality_changes") for container in quality_changes_containers: extruder_position = container.getMetaDataEntry("position") if extruder_position is None: quality_changes_info.global_info.container = container else: if extruder_position not in quality_changes_info.extruder_info_dict: quality_changes_info.extruder_info_dict[extruder_position] = ContainerInfo(None, None, None) container_info = quality_changes_info.extruder_info_dict[extruder_position] container_info.container = container # If there is no quality changes for any extruder, create one. if not quality_changes_info.extruder_info_dict: container_info = ContainerInfo(None, None, None) quality_changes_info.extruder_info_dict["0"] = container_info # If the global stack we're "targeting" has never been active, but was updated from Cura 3.4, # it might not have its extruders set properly. if len(global_stack.extruderList) == 0: ExtruderManager.getInstance().fixSingleExtrusionMachineExtruderDefinition(global_stack) try: extruder_stack = global_stack.extruderList[0] except IndexError: extruder_stack = None intent_category = quality_changes_intent_category_per_extruder["0"] container = self._createNewQualityChanges(quality_changes_quality_type, intent_category, quality_changes_name, global_stack, extruder_stack) container_info.container = container self._container_registry.addContainer(container) Logger.log("d", "Created new quality changes container [%s]", container.getId()) # Clear all existing containers quality_changes_info.global_info.container.clear() for container_info in quality_changes_info.extruder_info_dict.values(): if container_info.container: container_info.container.clear() # Loop over everything and override the existing containers global_info = quality_changes_info.global_info global_info.container.clear() # Clear all for key, value in global_info.parser["values"].items(): if not machine_definition_for_quality.getProperty(key, "settable_per_extruder"): global_info.container.setProperty(key, "value", value) else: quality_changes_info.extruder_info_dict["0"].container.setProperty(key, "value", value) for position, container_info in quality_changes_info.extruder_info_dict.items(): if container_info.parser is None: continue if container_info.container is None: try: extruder_stack = global_stack.extruderList[int(position)] except IndexError: continue intent_category = quality_changes_intent_category_per_extruder[position] container = self._createNewQualityChanges(quality_changes_quality_type, intent_category, quality_changes_name, global_stack, extruder_stack) container_info.container = container self._container_registry.addContainer(container) for key, value in container_info.parser["values"].items(): container_info.container.setProperty(key, "value", value) self._machine_info.quality_changes_info.name = quality_changes_name def _getMachineExtruderCount(self) -> Optional[int]: """ Extracts the machine extruder count from the definition_changes file of the printer. If it is not specified in the file, None is returned instead. :return: The count of the machine's extruders """ machine_extruder_count = None if self._machine_info \ and self._machine_info.definition_changes_info \ and "values" in self._machine_info.definition_changes_info.parser \ and "machine_extruder_count" in self._machine_info.definition_changes_info.parser["values"]: try: # Theoretically, if the machine_extruder_count is a setting formula (e.g. "=3"), this will produce a # value error and the project file loading will load the settings in the first extruder only. # This is not expected to happen though, since all machine definitions define the machine_extruder_count # as an integer. machine_extruder_count = int(self._machine_info.definition_changes_info.parser["values"]["machine_extruder_count"]) except ValueError: Logger.log("w", "'machine_extruder_count' in file '{file_name}' is not a number." .format(file_name = self._machine_info.definition_changes_info.file_name)) return machine_extruder_count def _createNewQualityChanges(self, quality_type: str, intent_category: Optional[str], name: str, global_stack: GlobalStack, extruder_stack: Optional[ExtruderStack]) -> InstanceContainer: """Helper class to create a new quality changes profile. This will then later be filled with the appropriate data. :param quality_type: The quality type of the new profile. :param intent_category: The intent category of the new profile. :param name: The name for the profile. This will later be made unique so it doesn't need to be unique yet. :param global_stack: The global stack showing the configuration that the profile should be created for. :param extruder_stack: The extruder stack showing the configuration that the profile should be created for. If this is None, it will be created for the global stack. """ container_registry = CuraApplication.getInstance().getContainerRegistry() base_id = global_stack.definition.getId() if extruder_stack is None else extruder_stack.getId() new_id = base_id + "_" + name new_id = new_id.lower().replace(" ", "_") new_id = container_registry.uniqueName(new_id) # Create a new quality_changes container for the quality. quality_changes = InstanceContainer(new_id) quality_changes.setName(name) quality_changes.setMetaDataEntry("type", "quality_changes") quality_changes.setMetaDataEntry("quality_type", quality_type) if intent_category is not None: quality_changes.setMetaDataEntry("intent_category", intent_category) # If we are creating a container for an extruder, ensure we add that to the container. if extruder_stack is not None: quality_changes.setMetaDataEntry("position", extruder_stack.getMetaDataEntry("position")) # If the machine specifies qualities should be filtered, ensure we match the current criteria. machine_definition_id = ContainerTree.getInstance().machines[global_stack.definition.getId()].quality_definition quality_changes.setDefinition(machine_definition_id) quality_changes.setMetaDataEntry("setting_version", CuraApplication.getInstance().SettingVersion) quality_changes.setDirty(True) return quality_changes @staticmethod def _clearStack(stack): application = CuraApplication.getInstance() stack.definitionChanges.clear() stack.variant = application.empty_variant_container stack.material = application.empty_material_container stack.quality = application.empty_quality_container stack.qualityChanges = application.empty_quality_changes_container stack.userChanges.clear() def _applyDefinitionChanges(self, global_stack, extruder_stack_dict): values_to_set_for_extruders = {} if self._machine_info.definition_changes_info is not None: parser = self._machine_info.definition_changes_info.parser for key, value in parser["values"].items(): if global_stack.getProperty(key, "settable_per_extruder"): values_to_set_for_extruders[key] = value else: if not self._settingIsFromMissingPackage(key, value): global_stack.definitionChanges.setProperty(key, "value", value) for position, extruder_stack in extruder_stack_dict.items(): if position not in self._machine_info.extruder_info_dict: continue extruder_info = self._machine_info.extruder_info_dict[position] if extruder_info.definition_changes_info is None: continue parser = extruder_info.definition_changes_info.parser for key, value in values_to_set_for_extruders.items(): extruder_stack.definitionChanges.setProperty(key, "value", value) if parser is not None: for key, value in parser["values"].items(): if not self._settingIsFromMissingPackage(key, value): extruder_stack.definitionChanges.setProperty(key, "value", value) def _applyUserChanges(self, global_stack, extruder_stack_dict): values_to_set_for_extruder_0 = {} if self._machine_info.user_changes_info is not None: parser = self._machine_info.user_changes_info.parser for key, value in parser["values"].items(): if global_stack.getProperty(key, "settable_per_extruder"): values_to_set_for_extruder_0[key] = value else: if not self._settingIsFromMissingPackage(key, value): global_stack.userChanges.setProperty(key, "value", value) for position, extruder_stack in extruder_stack_dict.items(): if position not in self._machine_info.extruder_info_dict: continue extruder_info = self._machine_info.extruder_info_dict[position] if extruder_info.user_changes_info is not None: parser = self._machine_info.extruder_info_dict[position].user_changes_info.parser if position == "0": for key, value in values_to_set_for_extruder_0.items(): extruder_stack.userChanges.setProperty(key, "value", value) if parser is not None: for key, value in parser["values"].items(): if not self._settingIsFromMissingPackage(key, value): extruder_stack.userChanges.setProperty(key, "value", value) def _applyVariants(self, global_stack, extruder_stack_dict): machine_node = ContainerTree.getInstance().machines[global_stack.definition.getId()] # Take the global variant from the machine info if available. if self._machine_info.variant_info is not None: variant_name = self._machine_info.variant_info.parser["general"]["name"] if variant_name in machine_node.variants: global_stack.variant = machine_node.variants[variant_name].container else: Logger.log("w", "Could not find global variant '{0}'.".format(variant_name)) for position, extruder_stack in extruder_stack_dict.items(): if position not in self._machine_info.extruder_info_dict: continue extruder_info = self._machine_info.extruder_info_dict[position] if extruder_info.variant_info is None: # If there is no variant_info, try to use the default variant. Otherwise, any available variant. node = machine_node.variants.get(machine_node.preferred_variant_name, next(iter(machine_node.variants.values()))) else: variant_name = extruder_info.variant_info.parser["general"]["name"] node = ContainerTree.getInstance().machines[global_stack.definition.getId()].variants[variant_name] extruder_stack.variant = node.container def _applyMaterials(self, global_stack, extruder_stack_dict): machine_node = ContainerTree.getInstance().machines[global_stack.definition.getId()] for position, extruder_stack in extruder_stack_dict.items(): if position not in self._machine_info.extruder_info_dict: continue extruder_info = self._machine_info.extruder_info_dict[position] if extruder_info.root_material_id is None: continue root_material_id = extruder_info.root_material_id root_material_id = self._old_new_materials.get(root_material_id, root_material_id) material_node = machine_node.variants[extruder_stack.variant.getName()].materials[root_material_id] extruder_stack.material = material_node.container def _applyChangesToMachine(self, global_stack, extruder_stack_dict): # Clear all first self._clearStack(global_stack) for extruder_stack in extruder_stack_dict.values(): self._clearStack(extruder_stack) self._applyDefinitionChanges(global_stack, extruder_stack_dict) self._applyUserChanges(global_stack, extruder_stack_dict) self._applyVariants(global_stack, extruder_stack_dict) self._applyMaterials(global_stack, extruder_stack_dict) # prepare the quality to select self._quality_changes_to_apply = None self._quality_type_to_apply = None self._intent_category_to_apply = None if self._machine_info.quality_changes_info is not None: self._quality_changes_to_apply = self._machine_info.quality_changes_info.name else: self._quality_type_to_apply = self._machine_info.quality_type self._intent_category_to_apply = self._machine_info.intent_category # Set enabled/disabled for extruders for position, extruder_stack in extruder_stack_dict.items(): extruder_info = self._machine_info.extruder_info_dict.get(position) if not extruder_info: continue if "enabled" not in extruder_stack.getMetaData(): extruder_stack.setMetaDataEntry("enabled", "True") extruder_stack.setMetaDataEntry("enabled", str(extruder_info.enabled)) # Set metadata fields that are missing from the global stack for key, value in self._machine_info.metadata_dict.items(): if key not in _ignored_machine_network_metadata: global_stack.setMetaDataEntry(key, value) def _settingIsFromMissingPackage(self, key, value): # Check if the key and value pair is from the missing package for package in self._dialog.missingPackages: if value.startswith("PLUGIN::"): if (package['id'] + "@" + package['package_version']) in value: Logger.log("w", f"Ignoring {key} value {value} from missing package") return True return False def _updateActiveMachine(self, global_stack): # Actually change the active machine. machine_manager = Application.getInstance().getMachineManager() container_tree = ContainerTree.getInstance() machine_manager.setActiveMachine(global_stack.getId()) # Set metadata fields that are missing from the global stack for key, value in self._machine_info.metadata_dict.items(): if key not in global_stack.getMetaData() and key not in _ignored_machine_network_metadata: global_stack.setMetaDataEntry(key, value) if self._quality_changes_to_apply: quality_changes_group_list = container_tree.getCurrentQualityChangesGroups() quality_changes_group = next((qcg for qcg in quality_changes_group_list if qcg.name == self._quality_changes_to_apply), None) if not quality_changes_group: Logger.log("e", "Could not find quality_changes [%s]", self._quality_changes_to_apply) return machine_manager.setQualityChangesGroup(quality_changes_group, no_dialog = True) else: self._quality_type_to_apply = self._quality_type_to_apply.lower() if self._quality_type_to_apply else None quality_group_dict = container_tree.getCurrentQualityGroups() if self._quality_type_to_apply in quality_group_dict: quality_group = quality_group_dict[self._quality_type_to_apply] else: Logger.log("i", "Could not find quality type [%s], switch to default", self._quality_type_to_apply) preferred_quality_type = global_stack.getMetaDataEntry("preferred_quality_type") quality_group = quality_group_dict.get(preferred_quality_type) if quality_group is None: Logger.log("e", "Could not get preferred quality type [%s]", preferred_quality_type) if quality_group is not None: machine_manager.setQualityGroup(quality_group, no_dialog = True) # Also apply intent if available available_intent_category_list = IntentManager.getInstance().currentAvailableIntentCategories() if self._intent_category_to_apply is not None and self._intent_category_to_apply in available_intent_category_list: machine_manager.setIntentByCategory(self._intent_category_to_apply) else: # if no intent is provided, reset to the default (balanced) intent machine_manager.resetIntents() # Notify everything/one that is to notify about changes. global_stack.containersChanged.emit(global_stack.getTop()) @staticmethod def _stripFileToId(file): mime_type = MimeTypeDatabase.getMimeTypeForFile(file) file = mime_type.stripExtension(file) return file.replace("Cura/", "") def _getXmlProfileClass(self): return self._container_registry.getContainerForMimeType(MimeTypeDatabase.getMimeType("application/x-ultimaker-material-profile")) @staticmethod def _getContainerIdListFromSerialized(serialized): """Get the list of ID's of all containers in a container stack by partially parsing it's serialized data.""" parser = ConfigParser(interpolation = None, empty_lines_in_values = False) parser.read_string(serialized) container_ids = [] if "containers" in parser: for index, container_id in parser.items("containers"): container_ids.append(container_id) elif parser.has_option("general", "containers"): container_string = parser["general"].get("containers", "") container_list = container_string.split(",") container_ids = [container_id for container_id in container_list if container_id != ""] # HACK: there used to be 6 containers numbering from 0 to 5 in a stack, # now we have 7: index 5 becomes "definition_changes" if len(container_ids) == 6: # Hack; We used to not save the definition changes. Fix this. container_ids.insert(5, "empty") return container_ids @staticmethod def _getMachineNameFromSerializedStack(serialized): parser = ConfigParser(interpolation = None, empty_lines_in_values = False) parser.read_string(serialized) return parser["general"].get("name", "") @staticmethod def _getMetaDataDictFromSerializedStack(serialized: str) -> Dict[str, str]: parser = ConfigParser(interpolation = None, empty_lines_in_values = False) parser.read_string(serialized) return dict(parser["metadata"]) @staticmethod def _getMaterialLabelFromSerialized(serialized): data = ET.fromstring(serialized) metadata = data.iterfind("./um:metadata/um:name/um:label", {"um": "http://www.ultimaker.com/material"}) for entry in metadata: return entry.text @staticmethod def _parse_packages_metadata(archive: zipfile.ZipFile) -> List[Dict[str, str]]: try: package_metadata = json.loads(archive.open("Cura/packages.json").read().decode("utf-8")) return package_metadata["packages"] except KeyError: Logger.warning("No package metadata was found in .3mf file.") except Exception: Logger.error("Failed to load packages metadata from .3mf file.") return [] @staticmethod def _filter_missing_package_metadata(package_metadata: List[Dict[str, str]]) -> List[Dict[str, str]]: """Filters out installed packages from package_metadata""" missing_packages = [] package_manager = cast(CuraPackageManager, CuraApplication.getInstance().getPackageManager()) for package in package_metadata: package_id = package["id"] if not package_manager.isPackageInstalled(package_id): missing_packages.append(package) return missing_packages