К сожалению, sizing_mode
не влияет на DataTable
.Обходной путь - это слайдер, который динамически устанавливает ширину стола (Bokeh v1.0.4).
from bokeh.io import show
from bokeh.layouts import widgetbox
from bokeh.models import ColumnDataSource, Slider, DataTable, TableColumn, CustomJS
source = ColumnDataSource(dict(x = list(range(6)), y = [x ** 2 for x in range(6)]))
columns = [TableColumn(field = "x", title = "x"), TableColumn(field = "y", title = "x**2")]
table = DataTable(source = source, columns = columns, width = 320)
slider = Slider(start = 1, end = 100, value = 6, step = 1, title = "i", width = 300)
callback_code = """ i = slider.value;
new_data = {"x": [1, 2, 3, 4, 5], "y": [1, 4, 9, 16, 25]}
table.source.data = new_data
table.width = 320 + i * 25; """
callback = CustomJS(args = dict(slider = slider, table = table), code = callback_code)
slider.js_on_change('value', callback)
show(widgetbox(slider, table))
![enter image description here](https://i.stack.imgur.com/9Lxae.gif)