PyQt5: Add Variable Number of Rows to Layout Based on Python Dictionary

[Alfalfa]

This should get you started:

#!/usr/bin/python3
import sys
from PyQt5 import QtCore, QtGui, QtWidgets

class Main(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()
        self.ui = QtWidgets.QWidget(self)
        self.setCentralWidget(self.ui)
        self.ui.tree = Tree()
        self.ui.button = QtWidgets.QPushButton("Validate")
        self.ui.button.clicked.connect(self.validate)
        self.ui.layout = QtWidgets.QVBoxLayout()
        self.ui.layout.addWidget(self.ui.tree)
        self.ui.layout.addWidget(self.ui.button)
        self.ui.setLayout(self.ui.layout)
        self.show()

    def validate(self):
        print("Checked:")
        for item in range(self.ui.tree.topLevelItemCount()):
            item = self.ui.tree.topLevelItem(item)
            if bool(item.checkState(0)):
                print(item.text(0), item.text(1))

class Tree(QtWidgets.QTreeWidget):
    def __init__(self):
        super().__init__()
        self.setHeaderLabels(["Name", "Path"])
        self.fill()

    def fill(self):
        apps = \
        {
            'Nexus Mod Manager': 'C:\\Games\\Nexus Mod Manager\\NexusClient.exe',
            'CCleaner': 'E:\\Program Files\\CCleaner\\CCleaner.exe'
        }
        for key, value in iter(apps.items()):
            item = QtWidgets.QTreeWidgetItem()
            item.setCheckState(0, QtCore.Qt.Unchecked)
            item.setText(0, key)
            item.setText(1, value)
            self.addTopLevelItem(item)


if __name__== '__main__':
    app = QtWidgets.QApplication([])
    gui = Main()
    sys.exit(app.exec_())