assemble.py 文件源码

def set_info(self, data_to_write, x_hint_list, num_rows_to_add = 3):
        #Takes in the file data, and updates the Grid to represent
        #and indicate the files that are loaded with their metadata.

        if len(data_to_write) != self.cols:
            print('--Set info:  Data mismatch error.')
            popup = Popup(title='Grid Error 02',
                    content=Label(text = 'There was a problem in updating the grid.'),
                    size_hint = (0.3, 0.3))
            popup.open()
        else:
            threshold = 3
            #If < threshold available rows left, add more
            if self._avail < threshold:
                self.create_grid(x_hint_list, num_rows_to_add)

            length = len(self.children)
            next_row = self.find_next_row()
            end = length - (next_row * self.cols)
            start = end - self.cols
            for i, widget in enumerate(reversed(self.children[start:end])):
                #strip text primarily for title and artist, so shorten
                #doesn't take into account the trailing whitespace
                widget.text = data_to_write[i].strip()
            self._avail -= 1