| | 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()
|
| |
|
