Python-сообщество

         def save_file(self):
            filesave_name = QtGui.QFileDialog.getSaveFileName(self, 'Сохранить', '', 'CSV(*.csv)')
            if not filesave_name is True:
                with open(str(filesave_name), 'w') as stream:
                    writer = csv.writer(stream)
                    for row in range(self.table.rowCount()):
                        rowdata = []
                        for column in range(self.table.columnCount()):
                            item = self.table.item(row, column)
                            if item is not None:
                                rowdata.append(item)
                            writer.writerow(rowdata)

  
if not filesave_name:

 import sys, csv
from PyQt4 import QtGui
from PyQt4 import QtCore
from functools import partial
class Icons(QtGui.QWidget):
    def __init__(self, parent=None):
           QtGui.QWidget.__init__(self, parent)
           self.table = QtGui.QTableWidget(self)
           self.table.setRowCount(20)
           self.table.setColumnCount(20)
           self.table.setGeometry(0, 29, 1600, 1600)
           self.table.verticalHeader()
           self.table.horizontalHeader()
           self.table.show()
           self.table.horizontalHeader().hide()
           self.table.verticalHeader().hide()
        # test
           self.table.setColumnWidth(0, 30)
           self.table.setRowHeight(0, 30)
           self.table.resizeColumnsToContents()
           #self.table.resizeRowsToContents()
           self.setGeometry(300, 300, 800, 600)
           self.setWindowTitle('icon')
#################################################################################
           self.lay = QtGui.QHBoxLayout()
           self.lay.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignTop)
           self.lay.setMargin(0)
           self.lay.setSpacing(0)
           self.setLayout(self.lay)
           self._buttns = [
               {'btn': None, 'text': u'', 'img': 'sym1.png', 'ico': 'sym1.png'},
               {'btn': None, 'text': u'', 'img': 'sym2.png', 'ico': 'sym2.png'}]
           for i in self._buttns:
               i["btn"] = QtGui.QPushButton(i["text"])
               i["btn"].setIcon(QtGui.QIcon(i["ico"]))
               i["btn"].clicked.connect(partial(self.on_clicked_btn, i["img"]))
               self.lay.addWidget(i["btn"])
           self.btn = QtGui.QPushButton("save csv", self)
           self.btn.setGeometry(75, 0, 80, 30)
           self.btn.sizeHint()
           self.connect(self.btn, QtCore.SIGNAL("clicked()"), self.save_file)
##################################################################################
#-----------------------------
    def save_file(self):
        filesave_name = QtGui.QFileDialog.getSaveFileName(self, 'Сохранить', '', 'CSV(*.csv)')
        if not filesave_name is True:
            with open(str(filesave_name), 'w') as stream:
                writer = csv.writer(stream)
                for row in range(self.table.rowCount()):
                    rowdata = []
                    for column in range(self.table.columnCount()):
                        item = self.table.item(row, column)
                        if item is not None:
                            rowdata.append(str(item.text()))
                        writer.writerow(rowdata)
    def on_clicked_btn(self, img):
        _item = TableWidgetItem(img, "")
        self.table.setCellWidget(self.table.currentRow(), self.table.currentColumn(), _item)
#------------
##################################################################################
class TableWidgetItem(QtGui.QWidget):
    def __init__(self, icon, text):
        QtGui.QWidget.__init__(self)
        layout = QtGui.QHBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)
        label = QtGui.QLabel()
        label.setPixmap(QtGui.QPixmap(icon))
        label.setAlignment(QtCore.Qt.AlignCenter)
        layout.addWidget(label)
#################################################################################
app = QtGui.QApplication(sys.argv)
qb = Icons()
qb.show()
sys.exit(app.exec_())

 if filesave_name:

  
>>> '' is True
False
>>> 'abc' is True
False
>>>

     def save_file(self):
        FS = QtGui.QFileDialog.getSaveFileName(self, 'Сохранить', '', 'CSV(*.csv)')
        if FS:
            with open(str(FS), 'w') as stream:
                writer = csv.writer(stream)
                for x in range(self.table.rowCount()):
                    row = []
                    for y in range(self.table.columnCount()):
                        item = self.table.item(x, y)
                        if item is not None:
                            row.append(str(item.text()))
                            print(row)
                        writer.writerow(row)

 row.append(str(item.text()))