擅长:python、mysql、java
<p>ColumnDataSource对象有一个属性<code>data</code>,该属性将返回最初用于创建对象的python字典。</p>
<pre><code>from bokeh.plotting import ColumnDataSource
# define ColumnDataSource
source = ColumnDataSource(
data=dict(
x=[1, 2, 3, 4, 5],
y=[2, 5, 8, 2, 7],
desc=['A', 'b', 'C', 'd', 'E'],
)
)
# find max for variable 'x' from 'source'
print( max( source.data['x'] ))
</code></pre>