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  1. import dash
  2. import dash_cytoscape as cyto
  3. import dash_html_components as html
  4. import dash_daq as daq
  5. from dash.dependencies import Input, Output, State
  6.  
  7. app = dash.Dash(__name__)
  8.  
  9. app.layout = html.Div([
  10.  
  11.     html.Div([
  12.         html.Button('Button', id='btn-node', n_clicks_timestamp=0)
  13.     ]),
  14.  
  15.     cyto.Cytoscape(
  16.         id='cytoscape-elements-basic',
  17.         layout={'name': 'preset'},
  18.         style={'width': '100%', 'height': '400px'},
  19.         elements=[]
  20.     )
  21. ])
  22.  
  23. @app.callback(
  24.     Output('cytoscape-elements-basic', 'elements'),
  25.     Input('btn-node', 'n_clicks_timestamp'),
  26.     State('cytoscape-elements-basic', 'elements'))
  27. def update_elements(btn, elements):
  28.  
  29.     some_list = [1,2,3]
  30.  
  31.     if int(btn):
  32.  
  33.         return [{'data': {'id': x}} for x in some_list]
  34.  
  35.     return elements
  36.  
  37. if __name__ == '__main__':
  38.     app.run_server(debug=True)
Runtime error #stdin #stdout #stderr 0.16s 22996KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 1, in <module>
ModuleNotFoundError: No module named 'dash'
https://ideone.com/bEVbCb
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
public

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