import sys
from PySide2.QtWidgets import QApplication, QPushButton
from PySide2.QtCore import QObject, Signal, Slot
def mojaFunkcja():
print("Kliknieto mnie!")
syg = Sygnalista()
syg.sygnalek.connect(mojSygnal)
syg.sygnalek.emit("Chyba!")
def mojSygnal(mamArgument):
print("Wywolano mnie!")
print(mamArgument)
class Sygnalista(QObject):
sygnalek = Signal(str)
app = QApplication(sys,argb)
btn = QPushButton("kliknij mnie")
syg = Sygnalista()
syg,sygnalek.connect(mojSygnal)
syg.sygnalek.emit("Bo tak!")
btn.clicked.connect(mojaFunkcja)
btn.show()
sys.exit(app.exec_( ))
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