利用Python-iGraph如何绘制贴吧/微博的好友关系图详解

#coding=utf-8from igraph import *count_fans=0   #粉丝数count_following=0  #关注人数 fans_name=[]   #粉丝昵称following=[]   #关注人昵称#打开爬取下的昵称文件with open('fans.txt','r') as f:   lines=f.readlines() for line in lines:  if (line!=None)&(line!='/n'):   fans_name.append(line)   # print fans_name   count_fans+=1with open('follow.txt','r') as c: lines=c.readlines() for line in lines:  if (line!=None)&(line!='/n'):   following.append(line)   count_following+=1g = Graph()   #创建g.add_vertices(3+count_fans+count_following)g.add_edges([(0,1),(1,2)])g.vs[0]["name"]='Ta的粉丝'g.vs[1]["name"]='目标用户'g.vs[2]["name"]='Ta的关注'g.es["trunk"] = [True, True]g.vs["main_node"]=[1.5,3,1.5]for i in range(3,count_fans+3): g.add_edges((0,i)) g.es[i-1]["trunk"]=Falsefor j in range(count_fans+3,3+count_fans+count_following): g.add_edges((2,j)) g.es[j-1]["trunk"]=Falseindex=3for fans in fans_name: g.vs[index]["name"]=fans g.vs[index]["main_node"]=False index+=1for name in following: g.vs[index]["name"]=name g.vs[index]["main_node"]=False index+=1visual_style = {}color_dic={1.5:"#cfe6ff",3:"#7299a7",False:"#cfe6ff"}visual_style["vertex_label_size"]=11visual_style["vertex_label_dist"]=1visual_style["vertex_shape"]="circle"visual_style["vertex_size"] = [7+ 10*int(main_node) for main_node in g.vs["main_node"]]visual_style["edge_width"] = [1 + 2 * int(trunk) for trunk in g.es["trunk"]]visual_style["vertex_color"] =[color_dic[main_node] for main_node in g.vs["main_node"]]visual_style["vertex_label"] = g.vs["name"]visual_style["bbox"] = (1000, 1000)visual_style["margin"] = 150layout = g.layout("grid_fr")visual_style["layout"] = layoutplot(g, **visual_style)