graphviz 学习笔记

py文件名不要使用根包一样的，不然import时候是把workplace中的py文件import进去了

# -*- coding: utf-8 -*-import csvimport pandas as pdfrom datetime import *import datetimeimport numpy as npimport matplotlib.pyplot as pltfrom graphviz import Digraphgrap_g = Digraph("G",format="pdf")sub_g0 = Digraph(comment="process1",graph_attr={"style":'filled',"color":'lightgrey'},node_attr={"style":"filled","color":"red"})sub_g0.node("a0","a0")sub_g0.node("a1","a1")sub_g0.node("a2","a2")sub_g0.node("a3","a3")sub_g0.edge("a0","a1")sub_g0.edge("a1","a2")sub_g0.edge("a2","a3")sub_g0.edge("a3", "a0")sub_g1 = Digraph(comment="process1",graph_attr={"style":'filled'})sub_g1.node("B","b0")sub_g1.node("C","b1")sub_g1.node("D","b2")sub_g1.node("E","b3")sub_g1.edges(["BC","CD","DE"])grap_g.node("start", label="start",shape="Mdiamond")grap_g.node("end", label="end", shape="Mdiamond")grap_g.subgraph(sub_g0)grap_g.subgraph(sub_g1)grap_g.edge("start","a0")grap_g.edge("start","B")grap_g.edge("a1","E")grap_g.edge("D","a3")grap_g.edge("a3","end")grap_g.edge("E","end")