Python-сообщество

 class DataInput(QWidget):
def __init__(self):
    super(DataInput, self).__init__()
    self.initUI()
def initUI(self):
    self.ex_event = False
    oImage = QImage('/.config/spyder/dna.jpg')
    sImage = oImage.scaled(QSize(600, 455))
    palette = QPalette()
    palette.setBrush(QPalette.Window, QBrush(sImage))
    self.setPalette(palette)
    self.header1 = QLabel(self)
    self.header1.setText(u'Информация об эксперименте: ')
    self.header1.setFont(QFont('Decorative', 14, 70))
    self.header2 = QLabel(self)
    self.header2.setText(u'Параметры процесса: ')
    self.header2.setFont(QFont('Decorative', 14, 70))
    self.empty = QLabel(self)
    self.empty.setText('')
    self.nameLabel = QLabel(self)
    self.nameLabel.setText(u'Эксперимент проводит: ')
    self.nameLabel.setFont(QFont('Decorative', 12, 60))
    self.nameLine = QLineEdit(self)
    openFile = QAction(QIcon('/.config/spyder   
/openicon.png'), 'Open', self)
    openFile.setStatusTip('Open file')
    openFile.triggered.connect(self.showDialog)
    chbtn = QPushButton(self)
    chbtn.setIcon(QIcon('/.config/spyder/openicon.png'))
    chbtn.setIconSize(QSize(20, 15))
    chbtn.clicked.connect(self.showDialog)
    chbtns = QPushButton(self)
    chbtns.setIcon(QIcon('/.config/spyder/SaveIcon.png'))
    chbtns.setIconSize(QSize(20, 15))
    chbtns.clicked.connect(self.saveDialog)
    btn = QPushButton(u'Запуск', self)
    btn.setAutoDefault(True)
    btn.setStyleSheet("background-color: #7fc7ff")
    btn.setFont(QFont('Decorative', 12, 65))
    btn.clicked.connect(self.saving) 
    mainwindow = QVBoxLayout()
    self.setLayout(mainwindow)
    vertical1 = QHBoxLayout()
    vertical1.addWidget(self.header1)
    self.setLayout(vertical1)
    grid1 = QGridLayout()
    grid1.addWidget(self.nameLabel, 1, 0)
    grid1.addWidget(self.nameLine, 1, 1)
    grid1.addWidget(self.expnameLabel, 2, 0)
    grid1.addWidget(self.expnameLine, 2, 1)
    grid1.addWidget(self.expnumbLabel, 3, 0)
    grid1.addWidget(self.expnumbLine, 3, 1)
    grid1.addWidget(self.filenameLabel, 4, 0)
    grid1.addWidget(self.filenameLine, 4, 1)
    grid1.addWidget(self.savenameLabel, 5, 0)
    grid1.addWidget(self.savenameLine, 5, 1)
    grid1.addWidget(chbtn, 4, 2)
    grid1.addWidget(chbtns, 5, 2)
    hbox = QHBoxLayout()
    hbox.addStretch(1)
    hbox.addWidget(btn)
    hbox.addStretch(1)
    mainwindow.addLayout(vertical1) 
    mainwindow.addLayout(grid1)
    mainwindow.addStretch(1)
    mainwindow.addLayout(hbox)
    self.setLayout(hbox)
    self.setLayout(grid1)
    self.setToolTip(u'Пожалуйста введите информацию о проводимом 
эксперименте')
    self.setWindowFlag(Qt.WindowStaysOnTopHint)
    self.setFixedSize(600, 455)
    self.center()
    self.setWindowTitle(u'Ввод данных')
    self.show()        
def center(self):
    qr = self.frameGeometry()
    cp = QDesktopWidget().availableGeometry().center()
    qr.moveCenter(cp)
    self.move(qr.topLeft())
def showDialog(self):
    fname = QFileDialog.getOpenFileName(self, 'Open file', '/home/gamma-
dna/.config/spyder')[0]
    self.filenameLine.setText(fname)
def saveDialog(self):
    put = os.getcwd()
    fname = QFileDialog.getOpenFileName(self, 'Save file', put)[0]
    self.savenameLine.setText(fname)
def saving(self):
    if (len(self.nameLine.text()) == 0 or len(self.expnameLine.text()) ==       
0 or len(self.expnumbLine.text()) == 0 or len(self.filenameLine.text()) ==    
0 or
len(self.savenameLine.text()) == 0 or len(self.delayLine.text()) == 0 or  
len(self.timeLine.text()) == 0):
        reply = QMessageBox.critical(self, 'Message', u'Заполните пустые 
поля!!!')
        reply
    else:
        self.myname = self.nameLine.text()
        self.expname = self.expnameLine.text()
        self.expnumb = self.expnumbLine.text()
        self.filename = self.filenameLine.text()
        self.savename = self.savenameLine.text()
        self.ex_event = True
        self.close()   
def keyPressEvent(self, e):
    if e.key() == Qt.Key_Escape:
        self.close()
    elif e.key() == Qt.Key_Return:
        self.saving()       

 class Device(object):
def __init__(self):
    self.rm = visa.ResourceManager()
    self.instr = None
    super(Device, self).__init__()
def function1(self):
    code
def function2(self):
    code
def function3(self)
    code

 import sys
import DevMeasMod as dmm
from PyQt5.QtCore import QCoreApplication
from PyQt5.QtWidgets import QApplication
app = QCoreApplication.instance()
if app is None:
    app = QApplication(sys.argv)
data = dmm.DataInput()
app.exec_()
in = data.Device()
in.function3()
in.function1()
in.function2()