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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
No EOL
3.5 KiB
Python
87 lines
No EOL
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) |