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100 lines
5.0 KiB
Python
100 lines
5.0 KiB
Python
# Copyright (c) 2016 Ultimaker B.V.
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# Cura is released under the terms of the AGPLv3 or higher.
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import UM.VersionUpgrade #To indicate that a file is of incorrect format.
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import configparser #To read config files.
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import io #To write config files to strings as if they were files.
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## Creates a new machine instance instance by parsing a serialised machine
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# instance in version 1 of the file format.
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#
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# \param serialised The serialised form of a machine instance in version 1.
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# \param filename The supposed file name of this machine instance, without
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# extension.
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# \return A machine instance instance, or None if the file format is
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# incorrect.
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def importFrom(serialised, filename):
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try:
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return MachineInstance(serialised, filename)
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except (configparser.Error, UM.VersionUpgrade.FormatException, UM.VersionUpgrade.InvalidVersionException):
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return None
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## A representation of a machine instance used as intermediary form for
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# conversion from one format to the other.
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class MachineInstance:
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## Reads version 1 of the file format, storing it in memory.
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#
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# \param serialised A string with the contents of a machine instance file,
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# without extension.
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# \param filename The supposed file name of this machine instance.
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def __init__(self, serialised, filename):
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self._filename = filename
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config = configparser.ConfigParser(interpolation = None)
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config.read_string(serialised) # Read the input string as config file.
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# Checking file correctness.
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if not config.has_section("general"):
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raise UM.VersionUpgrade.FormatException("No \"general\" section.")
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if not config.has_option("general", "version"):
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raise UM.VersionUpgrade.FormatException("No \"version\" in \"general\" section.")
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if not config.has_option("general", "name"):
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raise UM.VersionUpgrade.FormatException("No \"name\" in \"general\" section.")
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if not config.has_option("general", "type"):
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raise UM.VersionUpgrade.FormatException("No \"type\" in \"general\" section.")
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if int(config.get("general", "version")) != 1: # Explicitly hard-code version 1, since if this number changes the programmer MUST change this entire function.
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raise UM.VersionUpgrade.InvalidVersionException("The version of this machine instance is wrong. It must be 1.")
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self._type_name = config.get("general", "type")
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self._variant_name = config.get("general", "variant", fallback = None)
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self._name = config.get("general", "name")
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self._key = config.get("general", "key", fallback = None)
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self._active_profile_name = config.get("general", "active_profile", fallback = None)
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self._active_material_name = config.get("general", "material", fallback = None)
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self._machine_setting_overrides = {}
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for key, value in config["machine_settings"].items():
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self._machine_setting_overrides[key] = value
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## Serialises this machine instance as file format version 2.
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#
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# This is where the actual translation happens in this case.
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#
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# \return A tuple containing the new filename and a serialised form of
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# this machine instance, serialised in version 2 of the file format.
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def export(self):
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config = configparser.ConfigParser(interpolation = None) # Build a config file in the form of version 2.
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config.add_section("general")
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config.set("general", "name", self._name)
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config.set("general", "id", self._name)
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config.set("general", "type", self._type_name)
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config.set("general", "version", "2") # Hard-code version 2, since if this number changes the programmer MUST change this entire function.
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import VersionUpgrade21to22 # Import here to prevent circular dependencies.
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type_name = VersionUpgrade21to22.VersionUpgrade21to22.VersionUpgrade21to22.translatePrinter(self._type_name)
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active_profile = VersionUpgrade21to22.VersionUpgrade21to22.VersionUpgrade21to22.translateProfile(self._active_profile_name)
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active_material = VersionUpgrade21to22.VersionUpgrade21to22.VersionUpgrade21to22.translateProfile(self._active_material_name)
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variant = VersionUpgrade21to22.VersionUpgrade21to22.VersionUpgrade21to22.translateVariant(self._variant_name, type_name)
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containers = [
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self._name + "_current_settings",
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active_profile,
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active_material,
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variant,
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type_name
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]
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config.set("general", "containers", ",".join(containers))
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config.add_section("metadata")
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config.set("metadata", "type", "machine")
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VersionUpgrade21to22.VersionUpgrade21to22.VersionUpgrade21to22.translateSettings(self._machine_setting_overrides)
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config.add_section("values")
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for key, value in self._machine_setting_overrides.items():
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config.set("values", key, str(value))
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output = io.StringIO()
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config.write(output)
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return self._filename, output.getvalue() |