from PyQt5 import QtWidgets, QtCore, QtGui
from calc import Ui_MainWindow  # импорт нашего сгенерированного файла
import sys

n = '1'
n2 = '2'
n3 = '3'
n4 = '4'
n5 = '5'
n6 = '6'
n7 = '7'
n8 = '8'
n9 = '9'
n0 = '0'
mnum = ''
num = ''
num2 = ''
plus = '+'



class mywindow(QtWidgets.QMainWindow):
    def __init__(self):
        super(mywindow, self).__init__()
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)


        #connect
        self.ui.pushButton.clicked.connect(self.one)
        self.ui.pushButton_2.clicked.connect(self.two)
        self.ui.pushButton_3.clicked.connect(self.three)
        self.ui.pushButton_4.clicked.connect(self.five)
        self.ui.pushButton_6.clicked.connect(self.four)
        self.ui.pushButton_7.clicked.connect(self.nine)
        self.ui.pushButton_8.clicked.connect(self.six)
        self.ui.pushButton_9.clicked.connect(self.null)
        self.ui.pushButton_10.clicked.connect(self.eight)
        self.ui.pushButton_11.clicked.connect(self.seven)
        self.ui.pushButton_12.clicked.connect(self.plusik)
        self.ui.pushButton_13.clicked.connect(self.ravno)

        self.ui.pushButton_5.clicked.connect(self.clear)
    def ravno(self):
        if num2 != '' or num2 != ' ':
            nn = int(num) + int(num2)
            self.ui.lineEdit.setText(nn)
    def clear(self):
        self.ui.lineEdit.clear()
        global mnum, plus, num, num2
        plus = '+'
        mnum = ''
        num = ''
        num2 = ''
    def one(self):
        global mnum, num, num2
        mnum += n
        if plus == '+':
            num += n
        else:
            num2 += n
        self.ui.lineEdit.setText(mnum)

    def two(self):
        global mnum, num, num2
        mnum += n2
        if plus == '+':
            num += n2
        else:
            num2 += n2
        self.ui.lineEdit.setText(mnum)
    def three(self):
        global mnum, num, num2
        mnum += n3
        if plus == '+':
            num += n3
        else:
            num2 += n3
        self.ui.lineEdit.setText(mnum)
    def four(self):
        global mnum, num, num2
        mnum += n4
        if plus == '+':
            num += n4
        else:
            num2 += n4
        self.ui.lineEdit.setText(mnum)
    def five(self):
        global mnum, num, num2
        mnum += n5
        if plus == '+':
            num += n5
        else:
            num2 += n5
        self.ui.lineEdit.setText(mnum)
    def six(self):
        global mnum, num, num2
        mnum += n6
        if plus == '+':
            num += n6
        else:
            num2 += n6
        self.ui.lineEdit.setText(mnum)
    def seven(self):
        global mnum, num, num2
        mnum += n7
        if plus == '+':
            num += n7
        else:
            num2 += n7
        self.ui.lineEdit.setText(mnum)
    def eight(self):
        global mnum, num, num2
        mnum += n8
        if plus == '+':
            num += n8
        else:
            num2 += n8
        self.ui.lineEdit.setText(mnum)
    def nine(self):
        global mnum, num, num2
        mnum += n9
        if plus == '+':
            num += n9
        else:
            num2 += n9
        self.ui.lineEdit.setText(mnum)
    def null(self):
        global mnum, num, num2
        mnum += n0
        if plus == '+':
            num += n0
        else:
            num2 += n0
        self.ui.lineEdit.setText(mnum)
    def plusik(self):
        global mnum, plus
        mnum = mnum + plus
        plus = ''
        self.ui.lineEdit.setText(mnum + plus)







app = QtWidgets.QApplication([])
application = mywindow()
application.show()

sys.exit(app.exec())