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70 lines
3.0 KiB
Python
70 lines
3.0 KiB
Python
import configparser
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from typing import Tuple, List
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import io
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from UM.VersionUpgrade import VersionUpgrade
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# Merged preferences: machine_head_polygon and machine_head_with_fans_polygon -> machine_head_with_fans_polygon
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# When both are present, machine_head_polygon will be removed
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# When only one of the two is present, it's value will be used
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class VersionUpgrade44to45(VersionUpgrade):
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def getCfgVersion(self, serialised: str) -> int:
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parser = configparser.ConfigParser(interpolation = None)
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parser.read_string(serialised)
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format_version = int(parser.get("general", "version")) # Explicitly give an exception when this fails. That means that the file format is not recognised.
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setting_version = int(parser.get("metadata", "setting_version", fallback = "0"))
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return format_version * 1000000 + setting_version
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## Upgrades Preferences to have the new version number.
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#
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# This renames the renamed settings in the list of visible settings.
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def upgradePreferences(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
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parser = configparser.ConfigParser(interpolation = None)
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parser.read_string(serialized)
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# Update version number.
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parser["metadata"]["setting_version"] = "11"
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result = io.StringIO()
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parser.write(result)
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return [filename], [result.getvalue()]
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## Upgrades instance containers to have the new version
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# number.
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#
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# This renames the renamed settings in the containers.
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def upgradeInstanceContainer(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
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parser = configparser.ConfigParser(interpolation = None, comment_prefixes=())
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parser.read_string(serialized)
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# Update version number.
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parser["metadata"]["setting_version"] = "11"
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if "values" in parser:
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# merge machine_head_with_fans_polygon (preferred) and machine_head_polygon
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if "machine_head_with_fans_polygon" in parser["values"]:
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if "machine_head_polygon" in parser["values"]:
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del parser["values"]["machine_head_polygon"]
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elif "machine_head_polygon" in parser["values"]:
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parser["values"]["machine_head_with_fans_polygon"] = parser["values"]["machine_head_polygon"]
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del parser["values"]["machine_head_polygon"]
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result = io.StringIO()
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parser.write(result)
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return [filename], [result.getvalue()]
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## Upgrades stacks to have the new version number.
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def upgradeStack(self, serialized: str, filename: str) -> Tuple[List[str], List[str]]:
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parser = configparser.ConfigParser(interpolation = None)
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parser.read_string(serialized)
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# Update version number.
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if "metadata" not in parser:
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parser["metadata"] = {}
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parser["metadata"]["setting_version"] = "11"
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result = io.StringIO()
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parser.write(result)
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return [filename], [result.getvalue()]
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