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"""
==========
Javascript
==========
Example of writing JSON format graph data and using the D3 Javascript library to produce an HTML/Javascript drawing.
"""
# Author: Aric Hagberg <aric.hagberg@gmail.com>
# Copyright (C) 2011-2017 by
# Aric Hagberg <hagberg@lanl.gov>
# Dan Schult <dschult@colgate.edu>
# Pieter Swart <swart@lanl.gov>
# All rights reserved.
# BSD license.
import json
import flask
import networkx as nx
from networkx.readwrite import json_graph
G = nx.barbell_graph(6, 3)
# this d3 example uses the name attribute for the mouse-hover value,
# so add a name to each node
for n in G:
G.nodes[n]['name'] = n
# write json formatted data
d = json_graph.node_link_data(G) # node-link format to serialize
# write json
json.dump(d, open('force/force.json', 'w'))
print('Wrote node-link JSON data to force/force.json')
# Serve the file over http to allow for cross origin requests
app = flask.Flask(__name__, static_folder="force")
@app.route('/<path:path>')
def static_proxy(path):
return app.send_static_file(path)
print('\nGo to http://localhost:8000/force.html to see the example\n')
app.run(port=8000)
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