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import os, sys; sys.path.insert(0, os.path.join("..", ".."))
from pattern.graph import Graph, WEIGHT, CENTRALITY, DEGREE, DEFAULT
from random import choice, random
# This example demonstrates how a graph visualization can be exported to GraphML,
# a file format that can be opened in Gephi (https://gephi.org).
g = Graph()
# Random nodes.
for i in range(50):
g.add_node(i)
# Random edges.
for i in range(75):
node1 = choice(g.nodes)
node2 = choice(g.nodes)
g.add_edge(node1, node2,
weight = random())
g.prune(0)
# This node's label is different from its id.
g[1].text.string = "home"
# By default, Graph.export() exports to HTML,
# but if we give it a filename that ends in .graphml it will export to GraphML.
g.export(os.path.join(os.path.dirname(__file__), "test.graphml"))
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