from PyQt5 import QtCore, QtGui, QtWidgets
from propertyDialog5 import Ui_Dialog
from PyQt5.QtWidgets import  QApplication, QTreeWidget, QTreeWidgetItem,  QComboBox
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtCore import QRegExp
from PyQt5.QtGui import QRegExpValidator
import numpy as np


[python]class mainProgram(QtWidgets.QMainWindow, Ui_Dialog):
    def __init__(self, parent=None):
        self.cntPipe = 0
        self.pipeproperty = {}
        self.joint_weight = 0
        self.weight_pipe = 0
        self.weight_liner = 0
        self.weight_coating = 0
        self.pipe = 0
        self.specific_gravity = 9.81
        self.total_coating_weight = 0
        self.total_liner_weight = 0
        self.txtAbsorptionType.addItems(['Mass','Volume'])
        self.txtAbsorptionType.setCurrentIndex(0)
        self.AbsorptionType = 'Mass'
        
        super(mainProgram, self).__init__(parent)
        self.setupUi(self)


        regex = QRegExp ("[0-9._]+")
        validator = QRegExpValidator(regex)
        self.txtPipeOuterDiameter.setValidator(validator)
        self.txtPipeInnerDiameter.setValidator(validator)
        self.txtPipeDensity.setValidator(validator)
        

if __name__ == "__main__":

    import sys
    app = QtWidgets.QApplication(sys.argv)
    nextGui = mainProgram()
    nextGui.show()
    sys.exit(app.exec_())

(Aug-07-2019, 12:43 PM)Denni Wrote: Use a dictionary to store a handle to the QLineEdit and then reference them via the Dictionary. Further if you make the QLineEdit a class you can handle it more efficiently within code -- assuming you are doing anything with those QLineEdits beyond the basics.