在独立Bokeh plot中通过回调JS更改ColorMapper

from bokeh.plotting import figure, show
from bokeh.models import CustomJS, ColumnDataSource
from bokeh.models.callbacks import CustomJS
from bokeh.layouts import column

source = ColumnDataSource(data=dict(x=[], y=[], color=[]))
p = figure(...)

callback = CustomJS(args=dict(source=source), code="""
    // 获取颜色映射器对象
    var color_mapper = source.glyph.fill_color.transform;

    // 获取数据源的相关数据
    var data = source.data;
    var x = data['x'];
    var y = data['y'];
    var color = data['color'];

    // 根据特定条件更改颜色映射器
    for (var i = 0; i < x.length; i++) {
        if (/* 满足某个条件 */) {
            color[i] = /* 新的颜色 */;
        }
    }

    // 更新数据源
    source.change.emit();
""")

p.js_on_event('event_name', callback)

p.scatter('x', 'y', fill_color={'field': 'color', 'transform': color_mapper}, source=source)

show(p)