Cura/cura/Machines/Models/DiscoveredPrintersModel.py
Remco Burema abe7c1bf7f
Search/replace Qt5->Qt6.
part of upgrading Qt to v6.2: CURA-8591
2021-12-28 14:46:02 +01:00

278 lines
12 KiB
Python

# Copyright (c) 2019 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from typing import Callable, Dict, List, Optional, TYPE_CHECKING
from PyQt6.QtCore import pyqtSlot, pyqtProperty, pyqtSignal, QObject, QTimer
from UM.i18n import i18nCatalog
from UM.Logger import Logger
from UM.Util import parseBool
from UM.OutputDevice.OutputDeviceManager import ManualDeviceAdditionAttempt
if TYPE_CHECKING:
from UM.OutputDevice.OutputDevicePlugin import OutputDevicePlugin
from cura.CuraApplication import CuraApplication
from cura.PrinterOutput.NetworkedPrinterOutputDevice import NetworkedPrinterOutputDevice
catalog = i18nCatalog("cura")
class DiscoveredPrinter(QObject):
def __init__(self, ip_address: str, key: str, name: str, create_callback: Callable[[str], None], machine_type: str,
device: "NetworkedPrinterOutputDevice", parent: Optional["QObject"] = None) -> None:
super().__init__(parent)
self._ip_address = ip_address
self._key = key
self._name = name
self.create_callback = create_callback
self._machine_type = machine_type
self._device = device
nameChanged = pyqtSignal()
def getKey(self) -> str:
return self._key
@pyqtProperty(str, notify = nameChanged)
def name(self) -> str:
return self._name
def setName(self, name: str) -> None:
if self._name != name:
self._name = name
self.nameChanged.emit()
@pyqtProperty(str, constant = True)
def address(self) -> str:
return self._ip_address
machineTypeChanged = pyqtSignal()
@pyqtProperty(str, notify = machineTypeChanged)
def machineType(self) -> str:
return self._machine_type
def setMachineType(self, machine_type: str) -> None:
if self._machine_type != machine_type:
self._machine_type = machine_type
self.machineTypeChanged.emit()
# Checks if the given machine type name in the available machine list.
# The machine type is a code name such as "ultimaker_3", while the machine type name is the human-readable name of
# the machine type, which is "Ultimaker 3" for "ultimaker_3".
def _hasHumanReadableMachineTypeName(self, machine_type_name: str) -> bool:
from cura.CuraApplication import CuraApplication
results = CuraApplication.getInstance().getContainerRegistry().findDefinitionContainersMetadata(name = machine_type_name)
return len(results) > 0
# Human readable machine type string
@pyqtProperty(str, notify = machineTypeChanged)
def readableMachineType(self) -> str:
# In NetworkOutputDevice, when it updates a printer information, it updates the machine type using the field
# "machine_variant", and for some reason, it's not the machine type ID/codename/... but a human-readable string
# like "Ultimaker 3". The code below handles this case.
if self._hasHumanReadableMachineTypeName(self._machine_type):
readable_type = self._machine_type
else:
readable_type = self._getMachineTypeNameFromId(self._machine_type)
if not readable_type:
readable_type = catalog.i18nc("@label", "Unknown")
return readable_type
@pyqtProperty(bool, notify = machineTypeChanged)
def isUnknownMachineType(self) -> bool:
if self._hasHumanReadableMachineTypeName(self._machine_type):
readable_type = self._machine_type
else:
readable_type = self._getMachineTypeNameFromId(self._machine_type)
return not readable_type
def _getMachineTypeNameFromId(self, machine_type_id: str) -> str:
machine_type_name = ""
from cura.CuraApplication import CuraApplication
results = CuraApplication.getInstance().getContainerRegistry().findDefinitionContainersMetadata(id = machine_type_id)
if results:
machine_type_name = results[0]["name"]
return machine_type_name
@pyqtProperty(QObject, constant = True)
def device(self) -> "NetworkedPrinterOutputDevice":
return self._device
@pyqtProperty(bool, constant = True)
def isHostOfGroup(self) -> bool:
return getattr(self._device, "clusterSize", 1) > 0
@pyqtProperty(str, constant = True)
def sectionName(self) -> str:
if self.isUnknownMachineType or not self.isHostOfGroup:
return catalog.i18nc("@label", "The printer(s) below cannot be connected because they are part of a group")
else:
return catalog.i18nc("@label", "Available networked printers")
class DiscoveredPrintersModel(QObject):
"""Discovered printers are all the printers that were found on the network, which provide a more convenient way to
add networked printers (Plugin finds a bunch of printers, user can select one from the list, plugin can then add
that printer to Cura as the active one).
"""
def __init__(self, application: "CuraApplication", parent: Optional["QObject"] = None) -> None:
super().__init__(parent)
self._application = application
self._discovered_printer_by_ip_dict = dict() # type: Dict[str, DiscoveredPrinter]
self._plugin_for_manual_device = None # type: Optional[OutputDevicePlugin]
self._network_plugin_queue = [] # type: List[OutputDevicePlugin]
self._manual_device_address = ""
self._manual_device_request_timeout_in_seconds = 5 # timeout for adding a manual device in seconds
self._manual_device_request_timer = QTimer()
self._manual_device_request_timer.setInterval(self._manual_device_request_timeout_in_seconds * 1000)
self._manual_device_request_timer.setSingleShot(True)
self._manual_device_request_timer.timeout.connect(self._onManualRequestTimeout)
discoveredPrintersChanged = pyqtSignal()
@pyqtSlot(str)
def checkManualDevice(self, address: str) -> None:
if self.hasManualDeviceRequestInProgress:
Logger.log("i", "A manual device request for address [%s] is still in progress, do nothing",
self._manual_device_address)
return
priority_order = [
ManualDeviceAdditionAttempt.PRIORITY,
ManualDeviceAdditionAttempt.POSSIBLE,
] # type: List[ManualDeviceAdditionAttempt]
all_plugins_dict = self._application.getOutputDeviceManager().getAllOutputDevicePlugins()
self._network_plugin_queue = [item for item in filter(
lambda plugin_item: plugin_item.canAddManualDevice(address) in priority_order,
all_plugins_dict.values())]
if not self._network_plugin_queue:
Logger.log("d", "Could not find a plugin to accept adding %s manually via address.", address)
return
self._attemptToAddManualDevice(address)
def _attemptToAddManualDevice(self, address: str) -> None:
if self._network_plugin_queue:
self._plugin_for_manual_device = self._network_plugin_queue.pop()
Logger.log("d", "Network plugin %s: attempting to add manual device with address %s.",
self._plugin_for_manual_device.getId(), address)
self._plugin_for_manual_device.addManualDevice(address, callback=self._onManualDeviceRequestFinished)
self._manual_device_address = address
self._manual_device_request_timer.start()
self.hasManualDeviceRequestInProgressChanged.emit()
@pyqtSlot()
def cancelCurrentManualDeviceRequest(self) -> None:
self._manual_device_request_timer.stop()
if self._manual_device_address:
if self._plugin_for_manual_device is not None:
self._plugin_for_manual_device.removeManualDevice(self._manual_device_address, address = self._manual_device_address)
self._manual_device_address = ""
self._plugin_for_manual_device = None
self.hasManualDeviceRequestInProgressChanged.emit()
self.manualDeviceRequestFinished.emit(False)
def _onManualRequestTimeout(self) -> None:
address = self._manual_device_address
Logger.log("w", "Manual printer [%s] request timed out. Cancel the current request.", address)
self.cancelCurrentManualDeviceRequest()
if self._network_plugin_queue:
self._attemptToAddManualDevice(address)
hasManualDeviceRequestInProgressChanged = pyqtSignal()
@pyqtProperty(bool, notify = hasManualDeviceRequestInProgressChanged)
def hasManualDeviceRequestInProgress(self) -> bool:
return self._manual_device_address != ""
manualDeviceRequestFinished = pyqtSignal(bool, arguments = ["success"])
def _onManualDeviceRequestFinished(self, success: bool, address: str) -> None:
self._manual_device_request_timer.stop()
if address == self._manual_device_address:
self._manual_device_address = ""
self.hasManualDeviceRequestInProgressChanged.emit()
self.manualDeviceRequestFinished.emit(success)
if not success and self._network_plugin_queue:
self._attemptToAddManualDevice(address)
@pyqtProperty("QVariantMap", notify = discoveredPrintersChanged)
def discoveredPrintersByAddress(self) -> Dict[str, DiscoveredPrinter]:
return self._discovered_printer_by_ip_dict
@pyqtProperty("QVariantList", notify = discoveredPrintersChanged)
def discoveredPrinters(self) -> List["DiscoveredPrinter"]:
item_list = list(
x for x in self._discovered_printer_by_ip_dict.values() if not parseBool(x.device.getProperty("temporary")))
# Split the printers into 2 lists and sort them ascending based on names.
available_list = []
not_available_list = []
for item in item_list:
if item.isUnknownMachineType or getattr(item.device, "clusterSize", 1) < 1:
not_available_list.append(item)
else:
available_list.append(item)
available_list.sort(key = lambda x: x.device.name)
not_available_list.sort(key = lambda x: x.device.name)
return available_list + not_available_list
def addDiscoveredPrinter(self, ip_address: str, key: str, name: str, create_callback: Callable[[str], None],
machine_type: str, device: "NetworkedPrinterOutputDevice") -> None:
if ip_address in self._discovered_printer_by_ip_dict:
Logger.log("e", "Printer with ip [%s] has already been added", ip_address)
return
discovered_printer = DiscoveredPrinter(ip_address, key, name, create_callback, machine_type, device, parent = self)
self._discovered_printer_by_ip_dict[ip_address] = discovered_printer
self.discoveredPrintersChanged.emit()
def updateDiscoveredPrinter(self, ip_address: str,
name: Optional[str] = None,
machine_type: Optional[str] = None) -> None:
if ip_address not in self._discovered_printer_by_ip_dict:
Logger.log("w", "Printer with ip [%s] is not known", ip_address)
return
item = self._discovered_printer_by_ip_dict[ip_address]
if name is not None:
item.setName(name)
if machine_type is not None:
item.setMachineType(machine_type)
def removeDiscoveredPrinter(self, ip_address: str) -> None:
if ip_address not in self._discovered_printer_by_ip_dict:
Logger.log("w", "Key [%s] does not exist in the discovered printers list.", ip_address)
return
del self._discovered_printer_by_ip_dict[ip_address]
self.discoveredPrintersChanged.emit()
@pyqtSlot("QVariant")
def createMachineFromDiscoveredPrinter(self, discovered_printer: "DiscoveredPrinter") -> None:
"""A convenience function for QML to create a machine (GlobalStack) out of the given discovered printer.
This function invokes the given discovered printer's "create_callback" to do this
:param discovered_printer:
"""
discovered_printer.create_callback(discovered_printer.getKey())