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# 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):
## 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()]
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