# Copyright (c) 2019 Ultimaker B.V. # Cura is released under the terms of the LGPLv3 or higher. import configparser import io from typing import Dict, List, Tuple from UM.VersionUpgrade import VersionUpgrade _renamed_settings = { "support_minimal_diameter": "support_tower_maximum_supported_diameter" } #type: Dict[str, str] _removed_settings = ["prime_tower_circular"] # type: List[str] ## Upgrades configurations from the state they were in at version 4.1 to the # state they should be in at version 4.2. class VersionUpgrade41to42(VersionUpgrade): ## Gets the version number from a CFG file in Uranium's 4.1 format. # # Since the format may change, this is implemented for the 4.1 format only # and needs to be included in the version upgrade system rather than # globally in Uranium. # # \param serialised The serialised form of a CFG file. # \return The version number stored in the CFG file. # \raises ValueError The format of the version number in the file is # incorrect. # \raises KeyError The format of the file is incorrect. def getCfgVersion(self, serialised: str) -> int: parser = configparser.ConfigParser(interpolation = None) parser.read_string(serialised) format_version = int(parser.get("general", "version")) #Explicitly give an exception when this fails. That means that the file format is not recognised. setting_version = int(parser.get("metadata", "setting_version", fallback = "0")) return format_version * 1000000 + setting_version ## Upgrades instance containers to have the new version # number. # # This renames the renamed settings in the containers. def upgradeInstanceContainer(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]: parser = configparser.ConfigParser(interpolation = None) parser.read_string(serialized) #Update version number. parser["metadata"]["setting_version"] = "8" #Rename settings. if "values" in parser: for old_name, new_name in _renamed_settings.items(): if old_name in parser["values"]: parser["values"][new_name] = parser["values"][old_name] del parser["values"][old_name] #Remove settings. for key in _removed_settings: if key in parser["values"]: del parser["values"][key] result = io.StringIO() parser.write(result) return [filename], [result.getvalue()] ## Upgrades Preferences to have the new version number. # # This renames the renamed settings in the list of visible settings. def upgradePreferences(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]: parser = configparser.ConfigParser(interpolation = None) parser.read_string(serialized) #Update version number. parser["metadata"]["setting_version"] = "8" #Renamed settings. if "visible_settings" in parser["general"]: visible_settings = parser["general"]["visible_settings"] visible_setting_set = set(visible_settings.split(";")) for old_name, new_name in _renamed_settings.items(): if old_name in visible_setting_set: visible_setting_set.remove(old_name) visible_setting_set.add(new_name) for removed_key in _removed_settings: if removed_key in visible_setting_set: visible_setting_set.remove(removed_key) parser["general"]["visible_settings"] = ";".join(visible_setting_set) result = io.StringIO() parser.write(result) return [filename], [result.getvalue()] ## Upgrades stacks to have the new version number. def upgradeStack(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]: parser = configparser.ConfigParser(interpolation = None) parser.read_string(serialized) #Update version number. parser["metadata"]["setting_version"] = "8" parser["general"]["version"] = "5" # We should only have 6 levels when we start. assert "7" not in parser["containers"] # We added the intent container in Cura 4.2. This means that all other containers move one step down. parser["containers"]["7"] = parser["containers"]["6"] parser["containers"]["6"] = parser["containers"]["5"] parser["containers"]["5"] = parser["containers"]["4"] parser["containers"]["4"] = parser["containers"]["3"] parser["containers"]["3"] = parser["containers"]["2"] parser["containers"]["2"] = "empty_intent" result = io.StringIO() parser.write(result) return [filename], [result.getvalue()]