chart.py 文件源码

def load_chart(self, *args):
        "Load a chart from a pickle file"
        filename = askopenfilename(filetypes=self.CHART_FILE_TYPES,
                                   defaultextension='.pickle')
        if not filename: return
        try:
            chart = pickle.load(open(filename, 'r'))
            self._chart = chart
            self._cv.update(chart)
            if self._matrix: self._matrix.set_chart(chart)
            if self._matrix: self._matrix.deselect_cell()
            if self._results: self._results.set_chart(chart)
            self._cp.set_chart(chart)
        except Exception, e:
            raise
            tkMessageBox.showerror('Error Loading Chart',
                                   'Unable to open file: %r' % filename)