# Copyright (c) 2015 Ultimaker B.V. # Cura is released under the terms of the AGPLv3 or higher. import numpy from string import Formatter import traceback from UM.Application import Application from UM.Settings.DefinitionContainer import DefinitionContainer from UM.Job import Job from UM.Logger import Logger from UM.Scene.SceneNode import SceneNode from UM.Scene.Iterator.DepthFirstIterator import DepthFirstIterator from cura.OneAtATimeIterator import OneAtATimeIterator ## Formatter class that handles token expansion in start/end gcod class GcodeStartEndFormatter(Formatter): def get_value(self, key, args, kwargs): # [CodeStyle: get_value is an overridden function from the Formatter class] if isinstance(key, str): try: return kwargs[key] except KeyError: Logger.log("w", "Unable to replace '%s' placeholder in start/end gcode", key) return "{" + key + "}" else: Logger.log("w", "Incorrectly formatted placeholder '%s' in start/end gcode", key) return "{" + str(key) + "}" ## Job that handles sending the current scene data to CuraEngine class StartSliceJob(Job): def __init__(self, socket): super().__init__() self._scene = Application.getInstance().getController().getScene() self._socket = socket self._stack = Application.getInstance().getGlobalContainerStack() ## Runs the job that initiates the slicing. def run(self): self._scene.acquireLock() # Remove old layer data. for node in DepthFirstIterator(self._scene.getRoot()): if node.callDecoration("getLayerData"): node.getParent().removeChild(node) break # Get the objects in their groups to print. object_groups = [] if Application.getInstance().getGlobalContainerStack().getProperty("print_sequence", "value") == "one_at_a_time": for node in OneAtATimeIterator(self._scene.getRoot()): temp_list = [] # Node can't be printed, so don't bother sending it. if getattr(node, "_outside_buildarea", False): continue children = node.getAllChildren() children.append(node) for child_node in children: if type(child_node) is SceneNode and child_node.getMeshData() and child_node.getMeshData().getVertices() is not None: temp_list.append(child_node) if temp_list: object_groups.append(temp_list) Job.yieldThread() if len(object_groups) == 0: Logger.log("w", "No objects suitable for one at a time found, or no correct order found") else: temp_list = [] for node in DepthFirstIterator(self._scene.getRoot()): if type(node) is SceneNode and node.getMeshData() and node.getMeshData().getVertices() is not None: if not getattr(node, "_outside_buildarea", False): temp_list.append(node) Job.yieldThread() if temp_list: object_groups.append(temp_list) self._scene.releaseLock() if not object_groups: return self._sendGlobalSettings() slice_message = self._socket.createMessage("cura.proto.Slice") for group in object_groups: group_message = slice_message.addRepeatedMessage("object_lists") if group[0].getParent().callDecoration("isGroup"): self._handlePerObjectSettings(group[0].getParent(), group_message) for current_object in group: mesh_data = current_object.getMeshData().getTransformed(current_object.getWorldTransformation()) obj = group_message.addRepeatedMessage("objects") obj.id = id(current_object) verts = numpy.array(mesh_data.getVertices()) verts[:, [1, 2]] = verts[:, [2, 1]] verts[:, 1] *= -1 obj.vertices = verts self._handlePerObjectSettings(current_object, obj) Job.yieldThread() Logger.log("d", "Sending data to engine for slicing.") self._socket.sendMessage(slice_message) Logger.log("d", "Sending data to engine is completed") self.setResult(True) def _expandGcodeTokens(self, key, value, settings): try: # any setting can be used as a token fmt = GcodeStartEndFormatter() return str(fmt.format(value, **settings)).encode("utf-8") except: Logger.log("w", "Unabled to do token replacement on start/end gcode %s", traceback.format_exc()) return str(value).encode("utf-8") ## Sends all global settings to the engine. # # The settings are taken from the global stack. This does not include any # per-extruder settings or per-object settings. def _sendGlobalSettings(self): message = self._socket.createMessage("cura.proto.SettingList") settings = self._getAllSettingValues() #Get all the settings to send. print(settings) start_gcode = settings["machine_start_gcode"] settings["material_bed_temp_prepend"] = "{material_bed_temperature}" not in start_gcode #Pre-compute material_bed_temp_prepend and material_print_temp_prepend. settings["material_print_temp_prepend"] = "{material_print_temperature}" not in start_gcode for key, value in settings.items(): #Add all submessages for each individual setting. setting_message = message.addRepeatedMessage("settings") setting_message.name = key if key == "machine_start_gcode" or key == "machine_end_gcode": #If it's a g-code message, use special formatting. setting_message.value = self._expandGcodeTokens(key, value, settings) else: setting_message.value = str(value).encode("utf-8") self._socket.sendMessage(message) def _handlePerObjectSettings(self, node, message): profile = node.callDecoration("getProfile") if profile: for key, value in profile.getAllSettingValues().items(): setting = message.addRepeatedMessage("settings") setting.name = key setting.value = str(value).encode() Job.yieldThread() object_settings = node.callDecoration("getAllSettingValues") if not object_settings: return for key, value in object_settings.items(): setting = message.addRepeatedMessage("settings") setting.name = key setting.value = str(value).encode() Job.yieldThread() ## Gets the current values for all child definitions of a definition. # # To be clear, it looks up all child definitions, and returns the CURRENT # VALUE of the keys of these definitions according to the global stack. It # doesn't return the "value" property in the definition. # # \param definition The setting definition to get the child settings of. def _getAllChildSettingValues(self, definition): setting_values = { } for child in definition.children: setting_values[child.key] = self._stack.getProperty(child.key, "value") for key, value in self._getAllChildSettingValues(child).items(): setting_values[key] = value return setting_values ## Gets all setting values as a dictionary. # # \return A dictionary with the setting keys as keys and the setting # values as values. def _getAllSettingValues(self): setting_values = {} definition_containers = [container for container in self._stack.getContainers() if container.__class__ == DefinitionContainer] #To get all keys, get all definitions from all definition containers. for definition_container in definition_containers: for definition in definition_container.definitions: setting_values[definition.key] = self._stack.getProperty(definition.key, "value") for key, value in self._getAllChildSettingValues(definition).items(): setting_values[key] = value return setting_values