display.py 文件源码

def handleOpen(self, event=None):
        fn = tkFileDialog.askopenfilename(parent=self.root, title="Choose a Data file", initialdir='.')
        if fn.split('.')[1] != "csv" and fn.split('.')[1] != "xls":
            tkMessageBox.showwarning("Open File", "Cannot open this file\n(%s)" % fn)
            return
        self.data = dt.Data(filename=fn)
        self.handlePlotData()
        self.filename = fn

    # allows users to choose which features from the data are to be displayed