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Show message when slicing failed with nonzero exit code

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The slicing engine should never crash. If it does though, it's best to show something to the user. Otherwise the slicing process just halts and the user will wait a long time for it to never finish.

Contributes to issue CURA-6568.
This commit is contained in:
Ghostkeeper 2021-07-14 16:58:05 +02:00
parent e9ecba1374
commit 399b378ba6
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1 changed files with 25 additions and 3 deletions
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28
plugins/CuraEngineBackend/CuraEngineBackend.py
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@ -4,12 +4,12 @@
import argparse #To run the engine in debug mode if the front-end is in debug mode.
from collections import defaultdict
import os
from PyQt5.QtCore import QObject, QTimer, pyqtSlot
from PyQt5.QtCore import QObject, QTimer, QUrl, pyqtSlot
import sys
from time import time
from typing import Any, cast, Dict, List, Optional, Set, TYPE_CHECKING
from PyQt5.QtGui import QImage
from PyQt5.QtGui import QDesktopServices, QImage
from UM.Backend.Backend import Backend, BackendState
from UM.Scene.SceneNode import SceneNode
@ -922,9 +922,31 @@ class CuraEngineBackend(QObject, Backend):
if not self._restart:
if self._process: # type: ignore
Logger.log("d", "Backend quit with return code %s. Resetting process and socket.", self._process.wait()) # type: ignore
return_code = self._process.wait()
if return_code != 0:
Logger.log("e", f"Backend exited abnormally with return code {return_code}!")
message = Message(
text = catalog.i18nc("@message", "Slicing failed with an unexpected error. Please consider reporting a bug on our issue tracker."),
title = catalog.i18nc("@message:title", "Slicing failed")
)
message.addAction(
action_id = "report_bug",
name = catalog.i18nc("@message:button", "Report a bug"),
description = catalog.i18nc("@message:description", "Report a bug on Ultimaker Cura's issue tracker."),
icon = "[no_icon]"
)
message.actionTriggered.connect(self._reportBackendError)
message.show()
else:
Logger.log("d", "Backend finished slicing. Resetting process and socket.")
self._process = None # type: ignore
def _reportBackendError(self, _message_id: str, _action_id: str) -> None:
"""
Triggered when the user wants to report an error in the back-end.
"""
QDesktopServices.openUrl(QUrl("https://github.com/Ultimaker/Cura/issues/new/choose"))
def _onGlobalStackChanged(self) -> None:
"""Called when the global container stack changes"""