Barcode scanning with PyQt5

Question

I have a usb barcode scanner which I am connecting to my computer. Everytime it scans a barcode, it types the data into the computer like a keyboard. My goal was to have the data be typed into PyQT5 Table widget.

I have created the table below and I simply scan the items into it. The problem is that when I scan an item, it edits the first cell, but the cursor does not move automatically to the next row so I can scan a new item into the table. I have to click on the second cell and then scan the item. Then click on the third cell and scan the item and so on.

I was wondering how I can automate it so that after an item is scanned into the first cell, it automatically moves to the next cell and waits for input from the scanner?

import sys 
from PyQt5.QtWidgets import * 
   
#Main Window 
class App(QWidget): 
    def __init__(self): 
        super().__init__() 
        self.title = 'Specimen Dashboard'

        self.setWindowTitle(self.title)    
        self.tableWidget = QTableWidget() 
        self.createTable() 
        self.tableWidget.itemChanged.connect(self.go_to_next_row) 
   
        self.layout = QVBoxLayout() 
        self.layout.addWidget(self.tableWidget) 
        self.setLayout(self.layout) 

        self.show() 
   
    def go_to_next_row(self):
        #Not working
        #Trying to see if I can automatically move to next cell, but editing it 
        self.tableWidget.setItem(1,0, QTableWidgetItem("Name")) 

    #Create table 
    def createTable(self):   
        self.tableWidget.setRowCount(4)  
        self.tableWidget.setColumnCount(2)   
        self.tableWidget.horizontalHeader().setStretchLastSection(True) 
        self.tableWidget.horizontalHeader().setSectionResizeMode( 
            QHeaderView.Stretch) 

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

Answer 1

By default the scanners send an endline("\n") that is translated a Return or Enter key and this by default closes the editor, in this case that event must be intercepted, move the cursor and open the editor:

import sys

from PyQt5 import QtCore, QtWidgets


class TableWidget(QtWidgets.QTableWidget):
    def keyPressEvent(self, event):
        if (
            event.key() in (QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return)
            and self.state() == QtWidgets.QAbstractItemView.EditingState
        ):
            index = self.moveCursor(
                QtWidgets.QAbstractItemView.MoveNext, QtCore.Qt.NoModifier
            )
            self.selectionModel().setCurrentIndex(
                index, QtCore.QItemSelectionModel.ClearAndSelect
            )
            self.edit(index)
        else:
            super().keyPressEvent(event)


class MainWindow(QtWidgets.QMainWindow):
    def __init__(self, parent=None):
        super().__init__(parent)

        self.tableWidget = TableWidget(4, 2)
        self.setCentralWidget(self.tableWidget)
        self.tableWidget.horizontalHeader().setStretchLastSection(True)
        self.tableWidget.horizontalHeader().setSectionResizeMode(
            QtWidgets.QHeaderView.Stretch
        )


if __name__ == "__main__":
    app = QtWidgets.QApplication(sys.argv)
    w = MainWindow()
    w.show()
    sys.exit(app.exec_())