[PyQt] how to transform pyqt4 code to pyqt5 code

[Axel_Erfurt]

change delimiter='\t' in line 37 and line 56 to your delimiter

if your delimiter is comma

delimiter=','

I've changed buttons layout.

#!/usr/bin/python3
# -*- coding: utf-8 -*-
import sys, csv
 
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *
 
class Window(QWidget):
    def __init__(self, rows, columns):
        QWidget.__init__(self)
        self.table = QTableWidget(rows, columns, self)
        for column in range(columns - 1):
            for row in range(rows - 1):
                item = QTableWidgetItem('Text%d' % row)
                self.table.setItem(row, column, item)
        self.buttonOpen = QPushButton('Open', self)
        self.buttonOpen.setFixedWidth(100)
        self.buttonSave = QPushButton('Save', self)
        self.buttonSave.setFixedWidth(100)
        self.buttonOpen.clicked.connect(self.handleOpen)
        self.buttonSave.clicked.connect(self.handleSave)
        layout = QVBoxLayout(self)
        layout.addWidget(self.table)
        empty = QWidget()
        btnGroup = QHBoxLayout()
        btnGroup.addWidget(self.buttonOpen)
        btnGroup.addWidget(self.buttonSave)
        btnGroup.addWidget(empty)
        layout.addLayout(btnGroup)
 
    def handleSave(self):
        path,_ = QFileDialog.getSaveFileName(
                self, 'Save File', '', 'CSV(*.csv)')
        if path:
            with open(path, 'w') as stream:
                writer = csv.writer(stream, delimiter='\t')
                for row in range(self.table.rowCount()):
                    rowdata = []
                    for column in range(self.table.columnCount()):
                        item = self.table.item(row, column)
                        if item is not None:
                            rowdata.append(
                                item.text())
                        else:
                            rowdata.append('')
                    writer.writerow(rowdata)
 
    def handleOpen(self):
        path,_ = QFileDialog.getOpenFileName(
                self, 'Open File', '', 'CSV Files(*.csv)')
        if path:
            with open(path, 'r') as stream:
                self.table.setRowCount(0)
                self.table.setColumnCount(0)
                for rowdata in csv.reader(stream, delimiter='\t'):
                    row = self.table.rowCount()
                    self.table.insertRow(row)
                    self.table.setColumnCount(len(rowdata))
                    for column, data in enumerate(rowdata):
                        item = QTableWidgetItem(data)
                        self.table.setItem(row, column, item)
 
if __name__ == '__main__':
 
    app = QApplication(sys.argv)
    window = Window(10, 5)
    window.resize(640, 480)
    window.show()
    sys.exit(app.exec_())