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f15990e89c
The version upgrade currently only removes the setting start_layers_at_same_position. Contributes to issue CURA-3479.
77 lines
3.4 KiB
Python
77 lines
3.4 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 configparser #To parse the files we need to upgrade and write the new files.
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import io #To serialise configparser output to a string.
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from UM.VersionUpgrade import VersionUpgrade
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_removed_settings = { #Settings that were removed in 2.5.
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"start_layers_at_same_position"
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}
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## A collection of functions that convert the configuration of the user in Cura
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# 2.4 to a configuration for Cura 2.5.
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#
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# All of these methods are essentially stateless.
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class VersionUpgrade24to25(VersionUpgrade):
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## Gets the version number from a CFG file in Uranium's 2.4 format.
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#
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# Since the format may change, this is implemented for the 2.4 format only
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# and needs to be included in the version upgrade system rather than
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# globally in Uranium.
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#
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# \param serialised The serialised form of a CFG file.
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# \return The version number stored in the CFG file.
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# \raises ValueError The format of the version number in the file is
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# incorrect.
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# \raises KeyError The format of the file is incorrect.
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def getCfgVersion(self, serialised):
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parser = configparser.ConfigParser(interpolation = None)
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parser.read_string(serialised)
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return 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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## Upgrades the preferences file from version 2.4 to 2.5.
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#
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# \param serialised The serialised form of a preferences file.
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# \param filename The name of the file to upgrade.
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def upgradePreferences(self, serialised, filename):
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parser = configparser.ConfigParser(interpolation = None)
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parser.read_string(serialised)
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#Remove settings from the visible_settings.
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if parser.has_section("general") and "visible_settings" in parser["general"]:
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visible_settings = parser["general"]["visible_settings"].split(";")
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visible_settings = filter(lambda setting: setting not in _removed_settings, visible_settings)
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parser["general"]["visible_settings"] = ";".join(visible_settings)
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#Change the version number in the file.
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if parser.has_section("general"): #It better have!
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parser["general"]["version"] = "5"
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#Re-serialise the file.
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output = io.StringIO()
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parser.write(output)
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return [filename], [output.getvalue()]
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## Upgrades an instance container from version 2.4 to 2.5.
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#
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# \param serialised The serialised form of a quality profile.
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# \param filename The name of the file to upgrade.
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def upgradeInstanceContainer(self, serialised, filename):
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parser = configparser.ConfigParser(interpolation = None)
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parser.read_string(serialised)
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#Remove settings from the [values] section.
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if parser.has_section("values"):
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for removed_setting in (_removed_settings & parser["values"].keys()): #Both in keys that need to be removed and in keys present in the file.
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del parser["values"][removed_setting]
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#Change the version number in the file.
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if parser.has_section("general"):
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parser["general"]["version"] = "3"
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#Re-serialise the file.
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output = io.StringIO()
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parser.write(output)
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return [filename], [output.getvalue()] |