| from PyQt5.QtCore import (
|
| pyqtSlot,
|
| QRunnable,
|
| pyqtSignal,
|
| pyqtSlot,
|
| )
|
| from PyQt5.QtCore import QObject
|
| import traceback
|
| import sys
|
|
|
|
|
| class WorkerSignals(QObject):
|
| finished = pyqtSignal()
|
| error = pyqtSignal(tuple)
|
| result = pyqtSignal(object)
|
|
|
|
|
| class ImageGeneratorWorker(QRunnable):
|
| def __init__(self, fn, *args, **kwargs):
|
| super(ImageGeneratorWorker, self).__init__()
|
| self.fn = fn
|
| self.args = args
|
| self.kwargs = kwargs
|
| self.signals = WorkerSignals()
|
|
|
| @pyqtSlot()
|
| def run(self):
|
| try:
|
| result = self.fn(*self.args, **self.kwargs)
|
| except:
|
| traceback.print_exc()
|
| exctype, value = sys.exc_info()[:2]
|
| self.signals.error.emit((exctype, value, traceback.format_exc()))
|
| else:
|
| self.signals.result.emit(result)
|
| finally:
|
| self.signals.finished.emit()
|
|
|
