1. graphviz docker

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FROM ubuntu:18.04

ENV LANG C.UTF-8
WORKDIR /code
COPY . .

RUN sed -i s@/deb.debian.org/@/mirrors.aliyun.com/@g /etc/apt/sources.list && \
 sed -i s@/security.debian.org/@/mirrors.aliyun.com/@g /etc/apt/sources.list && \
 apt-get clean && apt-get update && apt-get install -y python3-pip python3-dev build-essential git graphviz fonts-arphic-ukai

2. networkx

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from pprint import pprint

import networkx as nx
import matplotlib.pyplot as plt


def list_fonts():
    from matplotlib.font_manager import FontManager
    fm = FontManager()
    pprint(set([f.name for f in fm.ttflist]))


def draw():
    """
    列出系统的字体，然后找一个支持中文的
    """
    plt.rcParams['font.sans-serif'] = ['AR PL UKai CN']
    # 创建一个NetworkX图
    G = nx.Graph()
    G.add_edges_from([('你呀你呀', 2), (2, 3), (3, 1)])

    # 绘制图形
    pos = nx.spring_layout(G)  # 选择布局算法
    nx.draw(G, pos, with_labels=True)  # , node_color='lightblue', edge_color='gray')  # 绘制图形
    plt.savefig('graph.png')  # 保存为PNG图像文件
    plt.show()  # 显示图形（可选）


if __name__ == '__main__':
    # list_fonts()
    draw()