https://stackoverflow.com/questions/48030027/qitemdelegate-checkbox

main.py

from PySide2.QtWidgets import *
from PySide2.QtCore import *

class Model(QAbstractTableModel):
    def __init__(self, cycles = [[]], headers = [], parent = None):
        QAbstractTableModel.__init__(self, parent)
        self.cycles = cycles
        self.headers = headers
        self.values_checked = []

    def rowCount(self, parent):
        return len(self.cycles)

    def columnCount(self, parent):
        return len(self.cycles[0])

    def flags(self, index):
        fl = Qt.ItemIsEnabled | Qt.ItemIsSelectable 
        if index.column() == 0:
            fl |= Qt.ItemIsUserCheckable
        else:
            fl |= Qt.ItemIsEditable
        return fl

    def data(self, index, role):
        if not index.isValid():
            return 
        row = index.row()
        column = index.column()

        if role == Qt.DisplayRole:
            value = self.cycles[row][column]
            return value

        elif role == Qt.TextAlignmentRole:
            return Qt.AlignCenter;

        elif role == Qt.CheckStateRole and column==0:
            return Qt.Checked if self.cycles[row][column] else Qt.Unchecked


    def setData(self, index, value, role = Qt.EditRole):
        change = False
        row = index.row()
        column = index.column()

        if role == Qt.CheckStateRole:
            value =  value != Qt.Unchecked
            change = True
        if role == Qt.EditRole:
            if (column == 1) or (column == 4):
                try:
                    str(value)
                    change = True
                except:
                    pm.warning("Not a valid name")
                    change = False
            elif (column == 2):
                try:
                    int(value)
                    change = True
                except:
                    pm.warning("Not a valid frame")
                    change = False
            elif (column == 3):
                try:
                    int(value)
                    change = True
                except:
                    pm.warning("Not a valid frame")
                    change = False

            elif (column == 5):
                try:
                    int(value)
                    change = True
                except:
                    pm.warning("Not a valid version number")
                    change = False
        if change:
            self.cycles[row][column] = value
            self.dataChanged.emit(row, column)
            return True
        return False            

    def headerData(self, section, orientation, role):
        if role == Qt.DisplayRole:
            if orientation == Qt.Horizontal:
                return self.headers[section]

    def insertRows(self, position, rows, values = [] , parent =QModelIndex()):
        self.beginInsertRows(parent, position, position+rows-1)
        self.cycles.insert(position, values)
        self.endInsertRows()
        self.getData()

    def roleNames(self):
        roles = QAbstractTableModel.roleNames(self)
        roles["Checked"] = Qt.CheckStateRole
        return roles


    def getData(self):
            rows = self.rowCount(1)
            data = []
            for row in range(rows):
                array = []
                for column in range (6):
                    index = self.index(row, column)
                    info = index.data()
                    array.append(info)              
                data.append(array)

            dic = {}
            for item in data:
                dic[item[1]]=item

            print("")
            print("data:")
            print('')
            for key in dic:
                print(key, dic[key])


class EmptyDelegate(QStyledItemDelegate):
    def paint(self, painter, option, index):
        opt = QStyleOptionViewItem(option)
        self.initStyleOption(opt, index)
        opt.text = ""
        QApplication.style().drawControl(QStyle.CE_ItemViewItem, opt, painter)


if __name__ == '__main__':
    import sys

    app = QApplication(sys.argv)
    w = QTableView()
    w.setItemDelegateForColumn(0, EmptyDelegate(w))
    headers = ["Select", "  Cycle Name  ", " Start ", "  End  ", "Info", "Version", " Del "]
    cycles = [[True,"idle","1","70","cool information","0", "deleteBtnPlaceHolder"]]
    model = Model(cycles, headers)
    w.setModel(model)
    w.show()
    sys.exit(app.exec_())