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c6fa47e584
Since self._printer_type was defined as an empty string and the setter only accepts strings, it could never be None
87 lines
3.5 KiB
Python
87 lines
3.5 KiB
Python
# Copyright (c) 2018 Ultimaker B.V.
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# Cura is released under the terms of the LGPLv3 or higher.
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from PyQt5.QtCore import pyqtProperty, QObject, pyqtSignal
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from typing import List
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MYPY = False
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if MYPY:
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from cura.PrinterOutput.ExtruderConfigurationModel import ExtruderConfigurationModel
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class ConfigurationModel(QObject):
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configurationChanged = pyqtSignal()
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def __init__(self) -> None:
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super().__init__()
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self._printer_type = ""
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self._extruder_configurations = [] # type: List[ExtruderConfigurationModel]
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self._buildplate_configuration = ""
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def setPrinterType(self, printer_type):
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self._printer_type = printer_type
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@pyqtProperty(str, fset = setPrinterType, notify = configurationChanged)
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def printerType(self) -> str:
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return self._printer_type
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def setExtruderConfigurations(self, extruder_configurations: List["ExtruderConfigurationModel"]):
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if self._extruder_configurations != extruder_configurations:
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self._extruder_configurations = extruder_configurations
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for extruder_configuration in self._extruder_configurations:
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extruder_configuration.extruderConfigurationChanged.connect(self.configurationChanged)
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self.configurationChanged.emit()
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@pyqtProperty("QVariantList", fset = setExtruderConfigurations, notify = configurationChanged)
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def extruderConfigurations(self):
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return self._extruder_configurations
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def setBuildplateConfiguration(self, buildplate_configuration: str) -> None:
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self._buildplate_configuration = buildplate_configuration
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@pyqtProperty(str, fset = setBuildplateConfiguration, notify = configurationChanged)
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def buildplateConfiguration(self) -> str:
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return self._buildplate_configuration
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## This method is intended to indicate whether the configuration is valid or not.
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# The method checks if the mandatory fields are or not set
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def isValid(self) -> bool:
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if not self._extruder_configurations:
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return False
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for configuration in self._extruder_configurations:
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if configuration is None:
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return False
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return self._printer_type != ""
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def __str__(self):
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message_chunks = []
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message_chunks.append("Printer type: " + self._printer_type)
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message_chunks.append("Extruders: [")
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for configuration in self._extruder_configurations:
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message_chunks.append(" " + str(configuration))
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message_chunks.append("]")
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if self._buildplate_configuration is not None:
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message_chunks.append("Buildplate: " + self._buildplate_configuration)
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return "\n".join(message_chunks)
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def __eq__(self, other):
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return hash(self) == hash(other)
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## The hash function is used to compare and create unique sets. The configuration is unique if the configuration
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# of the extruders is unique (the order of the extruders matters), and the type and buildplate is the same.
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def __hash__(self):
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extruder_hash = hash(0)
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first_extruder = None
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for configuration in self._extruder_configurations:
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extruder_hash ^= hash(configuration)
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if configuration.position == 0:
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first_extruder = configuration
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# To ensure the correct order of the extruders, we add an "and" operation using the first extruder hash value
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if first_extruder:
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extruder_hash &= hash(first_extruder)
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return hash(self._printer_type) ^ extruder_hash ^ hash(self._buildplate_configuration) |