Fwd: PyQTProperty Error

[Ketan Dama]

---------- Forwarded message ---------
From: Ketan Dama <ketandama070 at gmail.com>
Date: Thu, 4 Mar 2021, 7:51 pm
Subject: Re: PyQTProperty Error
To: Phil Thompson <phil at riverbankcomputing.com>


Yes Phil, it works fine in the latest version, but the script is causing
error in Python 3.4 / PyQt 5.7.1 / Qt 5.4 / Windows 7 & 10.

Since, this is the setup I've used in the past for most of my development,
I need help in solving the problem.


Thanks,
Ketan.

On Thu, 4 Mar 2021, 7:42 pm Phil Thompson, <phil at riverbankcomputing.com>
wrote:

> On 04/03/2021 12:56, Ketan Dama wrote:
> > Hello, any update on this?
>
> Your original email didn't seem to make it to the mailing list.
>
> It works fine for me with the current version.
>
> Phil
>
> > On Mon, 1 Mar 2021, 12:27 pm Ketan Dama, <ketandama070 at gmail.com>
> > wrote:
> >
> >> Hello, Getting the error "AttributeError: 'Bug1PyQTProperty' object
> >> has no
> >> attribute 'yAxis'"
> >>
> >> TRACEBACK: The above exception was the direct cause of the following
> >> exception:
> >>
> >> Traceback (most recent call last):
> >>   File "..\Bug1PyQTProperty.py", line 33, in <module>
> >>     ex = Bug1PyQTProperty();
> >>   File "..\Bug1PyQTProperty.py", line 20, in __init__
> >>     self.ui.setupUi(self)
> >>   File "D:\ui_Bug1PyQTProperty.py", line 24, in setupUi
> >>     QtCore.QMetaObject.connectSlotsByName(Bug1PyQTProperty)
> >> SystemError: <built-in function connectSlotsByName> returned a result
> >> with
> >> an error set
> >>
> >> Please note that the error is replicated only on Python 3.6 / PyQt
> >> 5.12.3
> >> / Qt 5.12.3 Windows 7 & 10,
> >> while the script is working on Python 3.4 / PyQt 5.7.1 / Qt 5.4 /
> >> Windows
> >> 7 & 10
> >>
> >> Kindly let me know why the script works in the version of PyQT while
> >> it
> >> fails in another version?
> >>
> >>
> >> Script: Bug1PyQTProperty.py:
> >>
> >> import sys
> >> sys.dont_write_bytecode = True
> >>
> >> from PyQt5 import QtCore, QtGui, QtWidgets
> >> from PyQt5.QtCore import (pyqtProperty, pyqtSignal, pyqtSlot)
> >>
> >>
> >> from ui_Bug1PyQTProperty import Ui_Bug1PyQTProperty
> >>
> >> class Bug1PyQTProperty(QtWidgets.QWidget):
> >> def __init__(self, parent=None):
> >> super(Bug1PyQTProperty, self).__init__(parent)
> >> self.ui=Ui_Bug1PyQTProperty()
> >> self.ui.setupUi(self)
> >> self._yAxis=0
> >>
> >> @pyqtProperty(bool)
> >> def yAxis(self):
> >> return self._yAxis
> >>
> >> @yAxis.setter
> >> def yAxis(self,arg):
> >> self._yAxis=arg
> >>
> >> if __name__ == '__main__':
> >> app = QtWidgets.QApplication(sys.argv);
> >> ex = Bug1PyQTProperty();
> >> ex.show();
> >> sys.exit(app.exec_())
> >>
> >>
> >> Script: ui_Bug1PyQTProperty.py
> >>
> >> from PyQt5 import QtCore, QtGui, QtWidgets
> >>
> >> class Ui_Bug1PyQTProperty(object):
> >>     def setupUi(self, Bug1PyQTProperty):
> >>         Bug1PyQTProperty.setObjectName("Bug1PyQTProperty")
> >>         Bug1PyQTProperty.resize(400, 300)
> >>         Bug1PyQTProperty.setStyleSheet("background-color: rgb(255,
> >> 255,
> >> 0);")
> >>         self.pushbutton = QPushButton(Bug1PyQTProperty)
> >>         self.pushbutton.setGeometry(QtCore.QRect(150, 70, 32, 23))
> >>         self.pushbutton.setStyleSheet("background-color: rgb(255, 0,
> >> 127);")
> >>         self.pushbutton.setObjectName("pushbutton")
> >>
> >>         self.retranslateUi(Bug1PyQTProperty)
> >>         QtCore.QMetaObject.connectSlotsByName(Bug1PyQTProperty)
> >>
> >>     def retranslateUi(self, Bug1PyQTProperty):
> >>         _translate = QtCore.QCoreApplication.translate
> >>         Bug1PyQTProperty.setWindowTitle(_translate("Bug1PyQTProperty",
> >> "Screen"))
> >>
> >> Script: Bug1PyQTProperty.ui
> >>
> >> <?xml version="1.0" encoding="UTF-8"?>
> >> <ui version="4.0">
> >>  <class>Bug1PyQTProperty</class>
> >>  <widget class="QWidget" name="Bug1PyQTProperty">
> >>   <property name="geometry">
> >>    <rect>
> >>     <x>0</x>
> >>     <y>0</y>
> >>     <width>400</width>
> >>     <height>300</height>
> >>    </rect>
> >>   </property>
> >>   <property name="windowTitle">
> >>    <string>Screen</string>
> >>   </property>
> >>   <property name="styleSheet">
> >>    <string notr="true">background-color: rgb(255, 255, 0);</string>
> >>   </property>
> >>   <widget class="QPushButton" name="pushbutton">
> >>    <property name="geometry">
> >>     <rect>
> >>      <x>150</x>
> >>      <y>70</y>
> >>      <width>32</width>
> >>      <height>23</height>
> >>     </rect>
> >>    </property>
> >>    <property name="styleSheet">
> >>     <string notr="true">background-color: rgb(255, 0, 127);</string>
> >>    </property>
> >>   </widget>
> >>  </widget>
> >>
> >>  <resources/>
> >>  <connections/>
> >> </ui>
> >>
>
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