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soil/examples/custom_generator/mymodule.py

27 lines
555 B
Python

from networkx import Graph
import networkx as nx
from random import choice
def mygenerator(n=5, n_edges=5):
'''
Just a simple generator that creates a network with n nodes and
n_edges edges. Edges are assigned randomly, only avoiding self loops.
'''
G = nx.Graph()
for i in range(n):
G.add_node(i)
for i in range(n_edges):
nodes = list(G.nodes)
n_in = choice(nodes)
nodes.remove(n_in) # Avoid loops
n_out = choice(nodes)
G.add_edge(n_in, n_out)
return G