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Fix typing

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This commit is contained in:
Lipu Fei 2019-07-19 14:43:25 +02:00
parent 28184ad999
commit 4b8a216771
6 changed files with 18 additions and 11 deletions
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12
plugins/USBPrinting/USBPrinterOutputDevice.py
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@ -24,11 +24,15 @@ from queue import Queue
from serial import Serial, SerialException, SerialTimeoutException
from threading import Thread, Event
from time import time
from typing import Union, Optional, List, cast
from typing import Union, Optional, List, cast, TYPE_CHECKING
import re
import functools # Used for reduce
if TYPE_CHECKING:
from UM.FileHandler.FileHandler import FileHandler
from UM.Scene.SceneNode import SceneNode
catalog = i18nCatalog("cura")
@ -117,14 +121,16 @@ class USBPrinterOutputDevice(PrinterOutputDevice):
# \param filter_by_machine Whether to filter MIME types by machine. This
# is ignored.
# \param kwargs Keyword arguments.
def requestWrite(self, nodes, file_name: str = None, filter_by_machine = False, file_handler = None, **kwargs):
def requestWrite(self, nodes: List["SceneNode"], file_name: Optional[str] = None, limit_mimetypes: bool = False,
file_handler: Optional["FileHandler"] = None, filter_by_machine: bool = False, **kwargs) -> None:
if self._is_printing:
message = Message(text = catalog.i18nc("@message", "A print is still in progress. Cura cannot start another print via USB until the previous print has completed."), title = catalog.i18nc("@message", "Print in Progress"))
message.show()
return # Already printing
self.writeStarted.emit(self)
# cancel any ongoing preheat timer before starting a print
self._printers[0].getController().stopPreheatTimers()
controller = cast(GenericOutputController, self._printers[0].getController())
controller.stopPreheatTimers()
CuraApplication.getInstance().getController().setActiveStage("MonitorStage")