Display an Image in a QTableView cell via a Model and scale the image depending on the cell size.

scale_image.py

IMAGE, NAME, SHOP = range(COLUMN_COUNT)

class MyItem(object):
    def __init__(self, name, image_filename, price)
        self.name = name
        self.price = price
        self.image = QPixmap()
        self.image.load(image_filename)
    

class ArticleListModel(QAbstractTableModel):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.items = [MyItem("item1", "image1.jpg", 15.99), MyItem("item2", "image2.jpg", 120.00]
        self.table = None

    def data(self, index, role=Qt.DisplayRole):
        
        if not index.isValid():
            return QVariant()
            
        item = self.items[index.row()]
        
        if role == Qt.DecorationRole:
            if column == IMAGE:
                if item.image is None:
                    return QVariant()
                #Scale the image to cell size if larger
                #----------------------------------------------------
                row_height = self.table.rowHeight(index.row())
                column_width = self.table.columnWidth(index.column())
                img = item.image
                #scale height
                if img.height() > row_height:
                    img = img.scaledToHeight(row_height)
                #scale width
                if img.width() > column_width:
                    img = img.scaledToWidth(column_width)
                return img
        return QVariant()