lngraph.py

import graphviz as gv
import sys
import json

graph = gv.Graph(format='svg')

lngraph = json.load(sys.stdin)

for node in lngraph['nodes']:
    nodename = node['pub_key'][-6:]
    graph.node(nodename)
    print "Added {0}".format(nodename)

for edge in lngraph['edges']:
    node1 = edge['node1_pub'][-6:]
    node2 = edge['node2_pub'][-6:]
    graph.edge(node1, node2, label="ch:"+str(edge['channel_id'])[-4:])
    print "Added edge {0} <-> {1}".format(node1,node2)

filename = graph.render(filename='lngraph')