Pyqt5, AttributeError: module 'x_ui' has no attribute 'Ui_x'

Question

Hello I have a QTDesigner UI file HelloWorld.ui which I am trying to import into a project and execute.

The Project includes HelloWorld.ui file which has been converted into HelloWorld_ui.py using Pyuic5.

The following is the code of app.py

from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *

import sys
import HelloWorld_ui



class HelloWorld(QDialog, HelloWorld_ui.Ui_HelloWorld):
    def __init__(self):
        QDialog.__init__(self)
        self.setupUi(self)

app = QApplication(sys.argv)
helloworld = HelloWorld()
helloworld.show()
app.exec_()

The following is the error code

Traceback (most recent call last):
  File "/Users/rrpolak/Downloads/Pyt/app.py", line 11, in <module>
    class HelloWorld(QDialog, HelloWorld_ui.Ui_HelloWorld):
AttributeError: module 'HelloWorld_ui' has no attribute 'Ui_HelloWorld'

Process finished with exit code 1

I am trying to understand what is the correct way to call these files in the python program. Any help is appreciated.

The project file is at https://drive.google.com/open?id=18tjLPiCZxTbKaiZShtgu90KyXcFukr6V

I am using PyQt5/Python3.6/Mac.

eyllanesc · Accepted Answer · 2018-02-20 01:27:51Z

2

If you check the file HelloWorld_ui.py you will notice that there is no class called Ui_HelloWorld, but the class Ui_Dialog:

class Ui_Dialog(object):

so you must use that class:

class HelloWorld(QDialog, HelloWorld_ui.Ui_Dialog):

The name is generated by the name you give to QDialog:

If you want to use HelloWorld you must change it:

convert the .ui to .py again and execute it again obtaining the following:

answered Feb 20, 2018 at 1:27

eyllanesc

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