Python-сообщество

 self.datelbltest.setText('value: ' + result)

 import sys, datetime
from PyQt5.QtWidgets import QWidget, QDesktopWidget, QMessageBox, QApplication, QCalendarWidget, QLabel, QSpinBox, QPushButton, QMainWindow
from PyQt5.QtGui import QIcon, QFont
from PyQt5.QtCore import QDate, Qt, pyqtSignal, QObject
datenum = 0
result = 0
num_char = 0
num_expr = 0
num_fate = 0
num_bscyear = 0
num_fnyear = 0
num_expryear = 0
summ_bday = 0
summ_bdmonth = 0
summ_bdyear = 0
summ_ftyear = 0
summ_ftyearlast = 0
class Communicate(QObject):
    closeApp = pyqtSignal()
class mainframe(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()
    def initUI(self):
        global datenum
        self.c = Communicate()
        self.c.closeApp.connect(self.close)
        btnExit = QPushButton("Выход", self)
        btnExit.move(20, 480)
        btnExit.resize(120,40)
        btnExit.setFont(QFont("Times New Roman", 14, QFont.Bold))
        btnExit.clicked.connect(self.exitEvent)
        self.datelbl1 = QLabel(self)
        self.datelbl1.setText("Дата рождения")
        self.datelbl1.move(95, 15)
        self.datelbl1.setFont(QFont("Times New Roman", 12, QFont.Bold))
        self.datelbl1.adjustSize()
        self.datelbl2 = QLabel(self)
        self.datelbl2.setText("Год прогноза")
        self.datelbl2.move(292, 15)
        self.datelbl2.setFont(QFont("Times New Roman", 12, QFont.Bold))
        self.datelbl2.adjustSize()
        self.datelbltest = QLabel(self)
        self.datelbltest.setText("date test")
        self.datelbltest.move(20, 300)
        self.datelbltest.adjustSize()
        cal = QCalendarWidget(self)
        cal.setGridVisible(False)
        cal.move(20, 40)
        cal.setVerticalHeaderFormat(0)
        cal.clicked[QDate].connect(self.showDate)
        self.lbl = QLabel(self)
        date = cal.selectedDate()
        self.lbl.setText(date.toString(Qt.ISODate))
        self.lbl.move(110, 230)
        qsb = QSpinBox(self)
        qsb.move(300, 40)
        qsb.resize(75,25)
        qsb.setAlignment(Qt.AlignCenter)
        qsb.setMinimum(1900)
        qsb.setMaximum(2100)
        qsb.setFont(QFont("Times New Roman", 14, QFont.Bold))
        btn1 = QPushButton("Рассчитать матрицу", self)
        btn1.move(18, 255)
        btn1.resize(360,40)
        btn1.setFont(QFont("Times New Roman", 14, QFont.Bold))
        btn1.clicked.connect(self.setupmatrix)
        self.setFixedSize(960, 540)
        self.center()
        self.setWindowIcon(QIcon('icon.png'))
        self.setWindowTitle('|Event Matrix|PC edition|')
        datenum = date.toString(Qt.ISODate)
        self.show()
    def center(self):
        qr = self.frameGeometry()
        cp = QDesktopWidget().availableGeometry().center()
        qr.moveCenter(cp)
        self.move(qr.topLeft())
    def closeEvent(self, event):
        reply = QMessageBox.question(self, 'Выход из приложения',
            "Вы уверены, что хотите выйти?", QMessageBox.Yes |
            QMessageBox.No, QMessageBox.No)
        if reply == QMessageBox.Yes:
            event.accept()
        else:
            event.ignore()
    def showDate(self, date):
        global datenum
        self.lbl.setText(date.toString(Qt.ISODate))
        datenum = date.toString(Qt.ISODate)
    def setupmatrix(self):
        global summ_ftyearlast
        global result
        
        mainframe.calculate(self)
        self.datelbltest.setText('value: ' + summ_ftyearlast)
        self.datelbltest.adjustSize()
    def exitEvent(self, event):
        self.c.closeApp.emit()
    @staticmethod
    def calculate(self):
        
        global result
        global datenum
        global num_char
        global num_expr
        global num_fate
        global summ_ftyear
        global summ_ftyearlast
        
        num0 = int(datenum[0])
        num1 = int(datenum[1])
        num2 = int(datenum[2])
        num3 = int(datenum[3])
        result = str(num0+num1+num2+num3)
        if len(result) >= 2:
            resnum1 = int(result[0])
            resnum2 = int(result[1])
            result = str(resnum1+resnum2)
        ftyeartext = self.qsb.value()
        last1 = int(ftyeartext[2])
        last2 = int(ftyeartext[3])
        summ_ftyearlast = str(last1+last2)
if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = mainframe()
    sys.exit(app.exec_())

 self.qsb = QSpinBox(self)

        self.qsb = QSpinBox(self)
        self.qsb.move(300, 40)
        self.qsb.resize(75,25)
        self.qsb.setAlignment(Qt.AlignCenter)
        self.qsb.setMinimum(1900)
        self.qsb.setMaximum(2100)
        self.qsb.setFont(QFont("Times New Roman", 14, QFont.Bold))

    @staticmethod
    def calculate(self):
        
        global result
        global datenum
        global spinbox
        global num_char
        global num_expr
        global num_fate
        global summ_ftyear
        global summ_ftyearlast
        
        num0 = int(datenum[0])
        num1 = int(datenum[1])
        num2 = int(datenum[2])
        num3 = int(datenum[3])
        result = str(num0+num1+num2+num3)
        if len(result) >= 2:
            resnum1 = int(result[0])
            resnum2 = int(result[1])
            result = str(resnum1+resnum2)
        last1 = int(spinbox[2])
        last2 = int(spinbox[3])
        summ_ftyearlast = str(last1+last2)

        self.qsb = QSpinBox(self)
        self.qsb.move(300, 40)
        self.qsb.resize(75,25)
        self.qsb.setAlignment(Qt.AlignCenter)
        self.qsb.setMinimum(1900)
        self.qsb.setMaximum(2100)
        self.qsb.setFont(QFont("Times New Roman", 14, QFont.Bold))
        self.qsb.valueChanged.connect(self.spinboxChanged)

    def spinboxChanged(self):
        global spinbox
        spinbox = str(self.qsb.value())

  
>>> class A:
...     @staticmethod
...     def f():
...         return 1
... 
>>> A.f()
1
>>> 

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