Lipu Fei 19bc2b78f4 Add Version upgrade 3.3 to 3.4
Need to distinguish between quality and quality_changes in the cura directory,
so we need to move all custom quality profiles into the quality_changes directory.
2018-04-05 15:14:15 +02:00

44 lines
1.8 KiB
Python

# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
import configparser #To parse preference files.
import io #To serialise the preference files afterwards.
from UM.VersionUpgrade import VersionUpgrade #We're inheriting from this.
## Upgrades configurations from the state they were in at version 3.2 to the
# state they should be in at version 3.3.
class VersionUpgrade33to34(VersionUpgrade):
## Gets the version number from a CFG file in Uranium's 3.2 format.
#
# Since the format may change, this is implemented for the 3.2 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):
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.
def upgradeInstanceContainer(self, serialized, filename):
parser = configparser.ConfigParser(interpolation = None)
parser.read_string(serialized)
# Update version number.
parser["general"]["version"] = "4"
result = io.StringIO()
parser.write(result)
return [filename], [result.getvalue()]