CODEWITHSUNDEEP
pythonpyqt5
CHL
CHL

Reputation: 57

pyqt5 problem How to pass data from qlistwidget click item to another .py file?

I made a pyqt5 qlistwidget and I want to select an item from qlistwidget and then pass into another B File, but there is an error and I don't know how to fix it

A .py

import sys
from PyQt5.QtWidgets import (QListWidget, QWidget, QMessageBox, 
    QApplication, QVBoxLayout)


class Example(QWidget):

    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):

        vbox = QVBoxLayout(self)
        listWidget = QListWidget()            
        listWidget.addItem("sparrow") 
        listWidget.addItem("robin")
        listWidget.addItem("crow")            
        listWidget.itemDoubleClicked.connect(self.onClicked)
        
        vbox.addWidget(listWidget)
        self.setLayout(vbox)
        self.setGeometry(300, 300, 350, 250)
        self.setWindowTitle('QListWidget')
        self.show()

    def onClicked(self, item):

        print(item.text())
        return item.text()

def main():

    app = QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())

if __name__ == '__main__':
    main()

B .py

from A import Example

Example().onClicked()

Appear Error TypeError: onClicked() missing 1 required positional argument: 'item'

Upvotes: 0

Views: 83

Answers (1)

iamjaydev
iamjaydev

Reputation: 140

In your example you are directly calling onClicked that won't work.

TypeError: onClicked() missing 1 required positional argument: 'item'

This error is suggesting that you are not passing item to onClicked ( as you are directly calling it like Example().onClicked()

Solution

You can declare a method handleClick on File B and call it from File A onClicked

File A

from B import handleClick
class Example ...
  ...
  ...
  onClicked(self,item):
       handleClick(item.text()) #calling the method at File B with item.text()

File B

def handleClick(text):
   print(text)

Upvotes: 2

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