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47 lines
1.4 KiB
Python
47 lines
1.4 KiB
Python
# Copyright (c) 2017 Ultimaker B.V.
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# Cura is released under the terms of the AGPLv3 or higher.
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import xml.etree.ElementTree as ET
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from UM.VersionUpgrade import VersionUpgrade
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class XmlMaterialUpgrader(VersionUpgrade):
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def getXmlVersion(self, serialized):
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data = ET.fromstring(serialized)
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version = 1
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# get setting version
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if "version" in data.attrib:
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setting_version = self._xmlVersionToSettingVersion(data.attrib["version"])
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else:
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setting_version = self._xmlVersionToSettingVersion("1.2")
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return version * 1000000 + setting_version
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def _xmlVersionToSettingVersion(self, xml_version: str) -> int:
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if xml_version == "1.3":
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return 2
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return 0 #Older than 1.3.
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def upgradeMaterial(self, serialised, filename):
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data = ET.fromstring(serialised)
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# update version
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metadata = data.iterfind("./um:metadata/*", {"um": "http://www.ultimaker.com/material"})
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for entry in metadata:
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if _tag_without_namespace(entry) == "version":
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entry.text = "2"
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break
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data.attrib["version"] = "1.3"
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# this makes sure that the XML header states encoding="utf-8"
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new_serialised = ET.tostring(data, encoding="utf-8").decode("utf-8")
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return [filename], [new_serialised]
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def _tag_without_namespace(element):
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return element.tag[element.tag.rfind("}") + 1:]
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