Hi I am using the following table declarative widget to display a pandas
dataframe.
When I press the button, I update the dataframe, but the urth-viz-table
does not pick up the change.
I have to explicitly display the dataframe in another cell, then ony the
table is updated.
Could somebody please suggest a solution to this?
I cannot use 'urth-viz-ipywidgets.ipynb'.
Enter code here...
import declarativewidgets as declwidgets
from ipywidgets import widgets # Widget definitions
from IPython.display import display #
declwidgets.init()
%%html
<link rel="import"
href="urth_components/urth-viz-table/urth-viz-table.html"
is='urth-core-import'>
import pandas as pd
df1 = pd.DataFrame([[1,2],[3,4]], columns=['a','b'])
def update_pd_df(df, data={}):
assert(data.get('a', None))
cur_b = df.loc[df.a == data.get('a', None) , 'b']
df.loc[df.a == data.get('a', None) ,'b'] = data.get('b', cur_b)
Enter code here...
%%html
<template is="dom-bind">
<urth-core-dataframe id='df1' ref="df1" value="{{df1}}"
auto></urth-core-dataframe>
<urth-viz-table datarows="{{df1.data}}" columns="{{df1.columns}}"
selection="{{sel1}}" rows-visible=6>
</urth-viz-table>
</template>
Enter code here...
from IPython.display import display
button = widgets.Button(description="Click Me!")
display(button)
def on_button_clicked(b):
global df1
update_pd_df(df1, data={'a':1, 'b': 18})
print("Button clicked.")
button.on_click(on_button_clicked)
Enter code here...
#this will update the widget
df1
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