Ghostkeeper b67d8d4103
Fix type of fallback variable
These have to be strings because the configparser getter can only return strings.

Contributes to issue CURA-5936.
2018-11-14 13:46:13 +01:00

57 lines
2.7 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 typing import Dict, List, Tuple
from UM.VersionUpgrade import VersionUpgrade #We're inheriting from this.
_renamed_settings = {
"infill_hollow": "infill_support_enabled"
} # type: Dict[str, str]
## Upgrades configurations from the state they were in at version 3.3 to the
# state they should be in at version 3.4.
class VersionUpgrade33to34(VersionUpgrade):
## Gets the version number from a CFG file in Uranium's 3.3 format.
#
# Since the format may change, this is implemented for the 3.3 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.
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["general"]["version"] = "4"
if "values" in parser:
#If infill_hollow was enabled and the overhang angle was adjusted, copy that overhang angle to the new infill support angle.
if "infill_hollow" in parser["values"] and parser["values"]["infill_hollow"] and "support_angle" in parser["values"]:
parser["values"]["infill_support_angle"] = parser["values"]["support_angle"]
#Renamed settings.
for original, replacement in _renamed_settings.items():
if original in parser["values"]:
parser["values"][replacement] = parser["values"][original]
del parser["values"][original]
result = io.StringIO()
parser.write(result)
return [filename], [result.getvalue()]