Python-сообщество

 import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from functools import partial
import xlwt
import xlrd
class My_Widget(QWidget):
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self.table = QTableWidget(self)
        self.table.setRowCount(20)
        self.table.setColumnCount(20)
        self.table.setGeometry(0, 29, 1600, 1600)
        self.table.show()
        self.table.horizontalHeader().hide()
        self.table.verticalHeader().hide()
        self.table.setColumnWidth(0, 30)
        self.table.setRowHeight(0, 30)
        self.table.resizeColumnsToContents()
        delegate = MyDelegate()
        self.table.setItemDelegate(delegate)
        #Цвет таблицы и стиль
        self.table.setStyleSheet("gridline-color: #FFC0CB ")
        self.table.setGridStyle(1)
#---------------------------------------------
        self.setGeometry(300, 300, 800, 600)
        self.setWindowTitle('icon')
#---------------------------------------------
        self.lay = QHBoxLayout()
        self.lay.setAlignment(Qt.AlignLeft | Qt.AlignTop)
        self.lay.setMargin(0)
        self.lay.setSpacing(0)
        self.setLayout(self.lay)
        self.BUTTNS = [
            {'text': u'', 'img': 'sym1.png', 'ico': 'sym1.png'},
            {'text': u'', 'img': 'sym2.png', 'ico': 'sym2.png'}]
#---------------------------------------------
        for i in self.BUTTNS:
            i["btn"] = QPushButton(i["text"])
            i["btn"].setIcon(QIcon(i["ico"]))
            i["btn"].clicked.connect(partial(self.on_clicked_btn, QPixmap(i["img"])))
            self.lay.addWidget(i["btn"])
#---------------------------------------------
        self.btn = QPushButton("save xls", self)
        self.btn.setGeometry(75, 0, 80, 30)
        self.btn.sizeHint()
        self.connect(self.btn, SIGNAL("clicked()"), self.save_file)
        self.btn2 = QPushButton("open xls", self)
        self.btn2.setGeometry(150, 0, 80, 30)
        self.btn2.sizeHint()
        self.connect(self.btn2, SIGNAL("clicked()"), self.open_file)
#---------------------------------------------
    def on_clicked_btn(self, img):
        item = QTableWidgetItem()
        item.setData(Qt.DecorationRole, img)
        self.table.setItem(self.table.currentRow(), self.table.currentColumn(), item)
#---------------------------------------------
#--------------------------------------------
    def save_file(self):
        filename = (QFileDialog.getSaveFileName(self, 'Сохранить', '', ".xls(*.xls)"))
        
        wbk = xlwt.Workbook()
        sheet = wbk.add_sheet("схема", cell_overwrite_ok=True)
        self.s_f(sheet)
        wbk.save(filename)
    def s_f(self, sheet):
        for currentColumn in range(self.table.columnCount()):
            for currentRow in range(self.table.rowCount()):
                my_icon = self.table.item(currentRow, currentColumn)
                sheet.write(currentRow, currentColumn, str(my_icon or ''))
#-------------------------------------------
    def open_file(self):
        filename = QFileDialog.getOpenFileName(self, 'Открыть', '', '.xls(*.xls)')
        book = xlrd.open_workbook(filename)
        sheet = book.sheet_by_index(0)
        data = [[sheet.cell_value(r, c)for c in range(sheet.ncols)]for r in range(sheet.nrows)]
        for row, columnvalues in enumerate(data):
            for column, value in enumerate(columnvalues):
                item = QTableWidgetItem()
                item.setData(Qt.DisplayRole, value)
                self.table.setItem(row, column, item)
#--------------------Делегат для ячейки
class MyDelegate(QStyledItemDelegate):
    def paint(self, painter, option, index):
        img = index.model().data(index, Qt.DecorationRole)
        if img is None:
            super().paint(painter, option, index)
            return
        rect = option.rect
        w, h = rect.size().width(), rect.size().height()
        img = img.scaled(w, h, Qt.KeepAspectRatio, Qt.SmoothTransformation)
        painter.drawPixmap(rect, img)
        item_option = QStyleOptionViewItem(option)
        self.initStyleOption(item_option, index)
        #Для полупрозрачности выделения
        if item_option.state & QStyle.State_Selected:
            color = item_option.palette.color(QPalette.Highlight)
            color.setAlpha(180)
            painter.save()
            painter.setPen(Qt.NoPen)
            painter.setBrush(color)
            painter.drawRect(rect)
            painter.restore()
            # super().paint(painter, option, index)
#--------------
if __name__ == '__main__':
  app = QApplication(sys.argv)
  widget = My_Widget()
  widget.show()
  sys.exit(app.exec_())