save_graph.py

def save_graph(graph,file_name):
    plt.figure(num=None, figsize=(15, 15), dpi=1000)
    plt.axis('off')
    fig = plt.figure(1)
    pos = nx.spring_layout(graph,k=100,iterations=0,scale=0.001)
    nx.draw_networkx_nodes(graph,pos,node_size=20,alpha=0.1,linewidths=0.1)
    nx.draw_networkx_edges(graph,pos,alpha=0.5,width=0.1,style='dashdot')
    nx.draw_networkx_labels(graph,pos,font_size=1)

    cut = 1.30
    xmax = cut * max(xx for xx, yy in pos.values())
    ymax = cut * max(yy for xx, yy in pos.values())
    plt.xlim(-xmax, xmax)
    plt.ylim(-ymax, ymax)

    plt.savefig(file_name,bbox_inches="tight")
    pylab.close()
    del fig

if __name__ == "__main__":
    data = json.load(open('private.txt'))
    graph = generate_edges(data)
    node = nodes_list(data)

    G = nx.Graph()
    G.add_nodes_from(node)
    G.add_edges_from(graph)

    save_graph(G,"my_graph.png")