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soil/examples/custom_generator/mymodule.py
J. Fernando Sánchez 880a9f2a1c black formatting
2022-10-17 20:23:57 +02:00

23 lines
541 B
Python

from networkx import Graph
import random
import networkx as nx
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 = random.choice(nodes)
nodes.remove(n_in) # Avoid loops
n_out = random.choice(nodes)
G.add_edge(n_in, n_out)
return G