如何使用 igraph 和 python 添加有条件的边到对象属性

Question

我的图表的节点是具有某些方法的实例。我已经正确添加了节点，但现在我想检查这些节点是否具有相同的 group_id、add_edges。我正在使用 igraph

import igraph as ig

def making_graph(researchers):
    g = ig.Graph()
    for each in researchers:
        for i in range(len(each)):
            g.add_vertex(each[i])
            g.vs[i]['researcher_id'] = each[i].get_researcher_id()
            g.vs[i]['name'] = each[i].get_name()
            g.vs[i]['sex'] = each[i].get_sex()

    g.add_edges() # if researchers have the same group_id, add edge
    return g

研究员的class是

class Researcher:

    def __init__(self, group_id, research_id, name, tit, sex,
             tot_nac_2011, tot_nac_2014, tot_int_2011, tot_int_2014, tot_bbl_2011, tot_bbl_2014):

        self.group_id = group_id
        self.research_id = research_id
        self.name = name
        self.tit = tit
        self.sex = sex
        self.producao = [tot_nac_2011, tot_nac_2014, tot_int_2011, tot_int_2014, tot_bbl_2011, tot_bbl_2014]

    def get_group_id(self):
        return self.group_id

    def get_researcher_id(self):
        return self.research_id

    def get_sex(self):
        return self.sex

当我调用 making_graph 时，我传递了一个包含研究人员列表的列表

已编辑。这也行不通。为什么？

def making_graph(researchers):
    g = ig.Graph()
    for each in researchers:
        for i in range(len(each)):
            g.add_vertex(each[i])
            g.vs[i]['researcher_id'] = each[i].get_researcher_id()
            g.vs[i]['name'] = each[i].get_name()
            g.vs[i]['sex'] = each[i].get_sex()
            for other in researchers:
                for j in range(len(other)):
                    if each[i].get_group_id() == other[j].get_group_id():
                        g.add_edge([(g.vs[i], g.vs[j])])
return g

Answer 1

现在看来这确实有效：

def making_graph(researchers):
    g = ig.Graph()
    for each in researchers:
        for i in range(len(each)):
            g.add_vertex(each[i])
            g.vs[i]['group_id'] = each[i].get_group_id()
            g.vs[i]['researcher_id'] = each[i].get_researcher_id()
            g.vs[i]['name'] = each[i].get_name()
            g.vs[i]['sex'] = each[i].get_sex()
    for v in g.vs:
        for w in g.vs:
            if v['group_id'] == w['group_id'] and v != w and g.are_connected(v, w) is False:
                g.add_edge(v, w)
    return g

如何使用 igraph 和 python 添加有条件的边到对象属性

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