Python InstanceContainer.serialize方法代码示例

# 需要导入模块: from UM.Settings.InstanceContainer import InstanceContainer [as 别名]
# 或者: from UM.Settings.InstanceContainer.InstanceContainer import serialize [as 别名]
    def _serialiseSettings(self, settings):
        prefix = ";SETTING_" + str(GCodeWriter.version) + " "  # The prefix to put before each line.
        prefix_length = len(prefix)

        all_settings = InstanceContainer("G-code-imported-profile") #Create a new 'profile' with ALL settings so that the slice can be precisely reproduced.
        all_settings.setDefinition(settings.getBottom())
        for key in settings.getAllKeys():
            all_settings.setProperty(key, "value", settings.getProperty(key, "value")) #Just copy everything over to the setting instance.
        serialised = all_settings.serialize()

        # Escape characters that have a special meaning in g-code comments.
        pattern = re.compile("|".join(GCodeWriter.escape_characters.keys()))
        # Perform the replacement with a regular expression.
        serialised = pattern.sub(lambda m: GCodeWriter.escape_characters[re.escape(m.group(0))], serialised)

        # Introduce line breaks so that each comment is no longer than 80 characters. Prepend each line with the prefix.
        result = ""

        # Lines have 80 characters, so the payload of each line is 80 - prefix.
        for pos in range(0, len(serialised), 80 - prefix_length):
            result += prefix + serialised[pos : pos + 80 - prefix_length] + "\n"
        serialised = result

        return serialised

# 需要导入模块: from UM.Settings.InstanceContainer import InstanceContainer [as 别名]
# 或者: from UM.Settings.InstanceContainer.InstanceContainer import serialize [as 别名]
    def read(self, file_name):
        if file_name.split(".")[-1] != "ini":
            return None
        global_container_stack = Application.getInstance().getGlobalContainerStack()
        if not global_container_stack:
            return None

        multi_extrusion = global_container_stack.getProperty("machine_extruder_count", "value") > 1
        if multi_extrusion:
            Logger.log("e", "Unable to import legacy profile %s. Multi extrusion is not supported", file_name)
            raise Exception("Unable to import legacy profile. Multi extrusion is not supported")

        Logger.log("i", "Importing legacy profile from file " + file_name + ".")
        container_registry = ContainerRegistry.getInstance()
        profile_id = container_registry.uniqueName("Imported Legacy Profile")
        profile = InstanceContainer(profile_id)  # Create an empty profile.

        parser = configparser.ConfigParser(interpolation = None)
        try:
            parser.read([file_name])  # Parse the INI file.
        except Exception as e:
            Logger.log("e", "Unable to open legacy profile %s: %s", file_name, str(e))
            return None

        # Legacy Cura saved the profile under the section "profile_N" where N is the ID of a machine, except when you export in which case it saves it in the section "profile".
        # Since importing multiple machine profiles is out of scope, just import the first section we find.
        section = ""
        for found_section in parser.sections():
            if found_section.startswith("profile"):
                section = found_section
                break
        if not section:  # No section starting with "profile" was found. Probably not a proper INI file.
            return None

        try:
            with open(os.path.join(PluginRegistry.getInstance().getPluginPath("LegacyProfileReader"), "DictionaryOfDoom.json"), "r", encoding = "utf-8") as f:
                dict_of_doom = json.load(f)  # Parse the Dictionary of Doom.
        except IOError as e:
            Logger.log("e", "Could not open DictionaryOfDoom.json for reading: %s", str(e))
            return None
        except Exception as e:
            Logger.log("e", "Could not parse DictionaryOfDoom.json: %s", str(e))
            return None

        defaults = self.prepareDefaults(dict_of_doom)
        legacy_settings = self.prepareLocals(parser, section, defaults) #Gets the settings from the legacy profile.

        #Check the target version in the Dictionary of Doom with this application version.
        if "target_version" not in dict_of_doom:
            Logger.log("e", "Dictionary of Doom has no target version. Is it the correct JSON file?")
            return None
        if InstanceContainer.Version != dict_of_doom["target_version"]:
            Logger.log("e", "Dictionary of Doom of legacy profile reader (version %s) is not in sync with the current instance container version (version %s)!", dict_of_doom["target_version"], str(InstanceContainer.Version))
            return None

        if "translation" not in dict_of_doom:
            Logger.log("e", "Dictionary of Doom has no translation. Is it the correct JSON file?")
            return None
        current_printer_definition = global_container_stack.definition
        quality_definition = current_printer_definition.getMetaDataEntry("quality_definition")
        if not quality_definition:
            quality_definition = current_printer_definition.getId()
        profile.setDefinition(quality_definition)
        for new_setting in dict_of_doom["translation"]:  # Evaluate all new settings that would get a value from the translations.
            old_setting_expression = dict_of_doom["translation"][new_setting]
            compiled = compile(old_setting_expression, new_setting, "eval")
            try:
                new_value = eval(compiled, {"math": math}, legacy_settings)  # Pass the legacy settings as local variables to allow access to in the evaluation.
                value_using_defaults = eval(compiled, {"math": math}, defaults)  #Evaluate again using only the default values to try to see if they are default.
            except Exception:  # Probably some setting name that was missing or something else that went wrong in the ini file.
                Logger.log("w", "Setting " + new_setting + " could not be set because the evaluation failed. Something is probably missing from the imported legacy profile.")
                continue
            definitions = current_printer_definition.findDefinitions(key = new_setting)
            if definitions:
                if new_value != value_using_defaults and definitions[0].default_value != new_value:  # Not equal to the default in the new Cura OR the default in the legacy Cura.
                    profile.setProperty(new_setting, "value", new_value)  # Store the setting in the profile!

        if len(profile.getAllKeys()) == 0:
            Logger.log("i", "A legacy profile was imported but everything evaluates to the defaults, creating an empty profile.")

        profile.addMetaDataEntry("type", "profile")
        # don't know what quality_type it is based on, so use "normal" by default
        profile.addMetaDataEntry("quality_type", "normal")
        profile.setName(profile_id)
        profile.setDirty(True)

        #Serialise and deserialise in order to perform the version upgrade.
        parser = configparser.ConfigParser(interpolation=None)
        data = profile.serialize()
        parser.read_string(data)
        parser["general"]["version"] = "1"
        if parser.has_section("values"):
            parser["settings"] = parser["values"]
            del parser["values"]
        stream = io.StringIO()
        parser.write(stream)
        data = stream.getvalue()
        profile.deserialize(data)

        # The definition can get reset to fdmprinter during the deserialization's upgrade. Here we set the definition
#.........这里部分代码省略.........