base_plot_types.py 文件源码

def _set_canvas(self):
        self.interactivity = get_interactivity()
        if self.interactivity:
            backend = str(matplotlib.get_backend())
        else:
            backend = 'agg'

        for key in backend_dict.keys():
            if key == backend:
                mod = __import__('matplotlib.backends', globals(), locals(),
                                 [backend_dict[key][0]], 0)
                submod = getattr(mod, backend_dict[key][0])
                FigureCanvas = getattr(submod, backend_dict[key][1])
                if len(backend_dict[key]) > 2:
                    FigureManager = getattr(submod, backend_dict[key][2])
                    return [FigureCanvas, FigureManager]
                else:
                    return [FigureCanvas]