跳转到主要内容

标签(标签)

资源精选(342) Go开发(108) Go语言(103) Go(99) angular(82) LLM(75) 大语言模型(63) 人工智能(53) 前端开发(50) LangChain(43) golang(43) 机器学习(39) Go工程师(38) Go程序员(38) Go开发者(36) React(33) Go基础(29) Python(24) Vue(22) Web开发(20) Web技术(19) 精选资源(19) 深度学习(19) Java(18) ChatGTP(17) Cookie(16) android(16) 前端框架(13) JavaScript(13) Next.js(12) 安卓(11) 聊天机器人(10) typescript(10) 资料精选(10) NLP(10) 第三方Cookie(9) Redwoodjs(9) LLMOps(9) Go语言中级开发(9) 自然语言处理(9) PostgreSQL(9) 区块链(9) mlops(9) 安全(9) 全栈开发(8) ChatGPT(8) OpenAI(8) Linux(8) AI(8) GraphQL(8) iOS(8) 软件架构(7) Go语言高级开发(7) AWS(7) C++(7) 数据科学(7) whisper(6) Prisma(6) 隐私保护(6) RAG(6) JSON(6) DevOps(6) 数据可视化(6) wasm(6) 计算机视觉(6) 算法(6) Rust(6) 微服务(6) 隐私沙盒(5) FedCM(5) 语音识别(5) Angular开发(5) 快速应用开发(5) 提示工程(5) Agent(5) LLaMA(5) 低代码开发(5) Go测试(5) gorm(5) REST API(5) 推荐系统(5) WebAssembly(5) GameDev(5) CMS(5) CSS(5) machine-learning(5) 机器人(5) 游戏开发(5) Blockchain(5) Web安全(5) Kotlin(5) 低代码平台(5) 机器学习资源(5) Go资源(5) Nodejs(5) PHP(5) Swift(5) 智能体(4) devin(4) Blitz(4) javascript框架(4) Redwood(4) GDPR(4) 生成式人工智能(4) Angular16(4) Alpaca(4) 编程语言(4) SAML(4) JWT(4) JSON处理(4) Go并发(4) kafka(4) 移动开发(4) 移动应用(4) security(4) 隐私(4) spring-boot(4) 物联网(4) nextjs(4) 网络安全(4) API(4) Ruby(4) 信息安全(4) flutter(4) 专家智能体(3) Chrome(3) CHIPS(3) 3PC(3) SSE(3) 人工智能软件工程师(3) LLM Agent(3) Remix(3) Ubuntu(3) GPT4All(3) 软件开发(3) 问答系统(3) 开发工具(3) 最佳实践(3) RxJS(3) SSR(3) Node.js(3) Dolly(3) 移动应用开发(3) 低代码(3) IAM(3) Web框架(3) CORS(3) 基准测试(3) Go语言数据库开发(3) Oauth2(3) 并发(3) 主题(3) Theme(3) earth(3) nginx(3) 软件工程(3) azure(3) keycloak(3) 生产力工具(3) gpt3(3) 工作流(3) C(3) jupyter(3) 认证(3) prometheus(3) GAN(3) Spring(3) 逆向工程(3) 应用安全(3) Docker(3) Django(3) R(3) .NET(3) 大数据(3) Hacking(3) 渗透测试(3) C++资源(3) Mac(3) 微信小程序(3) Python资源(3) JHipster(3) 大型语言模型(2) 语言模型(2) 可穿戴设备(2) JDK(2) SQL(2) Apache(2) Hashicorp Vault(2) Spring Cloud Vault(2) Go语言Web开发(2) Go测试工程师(2) WebSocket(2) 容器化(2) AES(2) 加密(2) 输入验证(2) ORM(2) Fiber(2) Postgres(2) Gorilla Mux(2) Go数据库开发(2) 模块(2) 泛型(2) 指针(2) HTTP(2) PostgreSQL开发(2) Vault(2) K8s(2) Spring boot(2) R语言(2) 深度学习资源(2) 半监督学习(2) semi-supervised-learning(2) architecture(2) 普罗米修斯(2) 嵌入模型(2) productivity(2) 编码(2) Qt(2) 前端(2) Rust语言(2) NeRF(2) 神经辐射场(2) 元宇宙(2) CPP(2) 数据分析(2) spark(2) 流处理(2) Ionic(2) 人体姿势估计(2) human-pose-estimation(2) 视频处理(2) deep-learning(2) kotlin语言(2) kotlin开发(2) burp(2) Chatbot(2) npm(2) quantum(2) OCR(2) 游戏(2) game(2) 内容管理系统(2) MySQL(2) python-books(2) pentest(2) opengl(2) IDE(2) 漏洞赏金(2) Web(2) 知识图谱(2) PyTorch(2) 数据库(2) reverse-engineering(2) 数据工程(2) swift开发(2) rest(2) robotics(2) ios-animation(2) 知识蒸馏(2) 安卓开发(2) nestjs(2) solidity(2) 爬虫(2) 面试(2) 容器(2) C++精选(2) 人工智能资源(2) Machine Learning(2) 备忘单(2) 编程书籍(2) angular资源(2) 速查表(2) cheatsheets(2) SecOps(2) mlops资源(2) R资源(2) DDD(2) 架构设计模式(2) 量化(2) Hacking资源(2) 强化学习(2) flask(2) 设计(2) 性能(2) Sysadmin(2) 系统管理员(2) Java资源(2) 机器学习精选(2) android资源(2) android-UI(2) Mac资源(2) iOS资源(2) Vue资源(2) flutter资源(2) JavaScript精选(2) JavaScript资源(2) Rust开发(2) deeplearning(2) RAD(2)
SEO Title

category

Examples

Tip

The following code examples are included in the examples/ directory of the source repository/distribution.

Note

Most of them recreate examples from the graphviz.org gallery or the graphviz.org documentation.

hello.py

"""https://graphviz.org/Gallery/directed/hello.html"""

import graphviz

g = graphviz.Digraph('G', filename='hello.gv')

g.edge('Hello', 'World')

g.view()
_images/hello.svg

process.py

"""https://graphviz.org/Gallery/undirected/process.html"""

import graphviz

g = graphviz.Graph('G', filename='process.gv', engine='sfdp')

g.edge('run', 'intr')
g.edge('intr', 'runbl')
g.edge('runbl', 'run')
g.edge('run', 'kernel')
g.edge('kernel', 'zombie')
g.edge('kernel', 'sleep')
g.edge('kernel', 'runmem')
g.edge('sleep', 'swap')
g.edge('swap', 'runswap')
g.edge('runswap', 'new')
g.edge('runswap', 'runmem')
g.edge('new', 'runmem')
g.edge('sleep', 'runmem')

g.view()
_images/process.svg

fsm.py

"""https://graphviz.org/Gallery/directed/fsm.html"""

import graphviz

f = graphviz.Digraph('finite_state_machine', filename='fsm.gv')
f.attr(rankdir='LR', size='8,5')

f.attr('node', shape='doublecircle')
f.node('LR_0')
f.node('LR_3')
f.node('LR_4')
f.node('LR_8')

f.attr('node', shape='circle')
f.edge('LR_0', 'LR_2', label='SS(B)')
f.edge('LR_0', 'LR_1', label='SS(S)')
f.edge('LR_1', 'LR_3', label='S($end)')
f.edge('LR_2', 'LR_6', label='SS(b)')
f.edge('LR_2', 'LR_5', label='SS(a)')
f.edge('LR_2', 'LR_4', label='S(A)')
f.edge('LR_5', 'LR_7', label='S(b)')
f.edge('LR_5', 'LR_5', label='S(a)')
f.edge('LR_6', 'LR_6', label='S(b)')
f.edge('LR_6', 'LR_5', label='S(a)')
f.edge('LR_7', 'LR_8', label='S(b)')
f.edge('LR_7', 'LR_5', label='S(a)')
f.edge('LR_8', 'LR_6', label='S(b)')
f.edge('LR_8', 'LR_5', label='S(a)')

f.view()
_images/fsm.svg

cluster.py

"""https://graphviz.org/Gallery/directed/cluster.html"""

from graphviz import Digraph

g = Digraph('G', filename='cluster.gv')

# NOTE: the subgraph name needs to begin with 'cluster' (all lowercase)
#       so that Graphviz recognizes it as a special cluster subgraph

with g.subgraph(name='cluster_0') as c:
    c.attr(style='filled', color='lightgrey')
    c.node_attr.update(style='filled', color='white')
    c.edges([('a0', 'a1'), ('a1', 'a2'), ('a2', 'a3')])
    c.attr(label='process #1')

with g.subgraph(name='cluster_1') as c:
    c.attr(color='blue')
    c.node_attr['style'] = 'filled'
    c.edges([('b0', 'b1'), ('b1', 'b2'), ('b2', 'b3')])
    c.attr(label='process #2')

g.edge('start', 'a0')
g.edge('start', 'b0')
g.edge('a1', 'b3')
g.edge('b2', 'a3')
g.edge('a3', 'a0')
g.edge('a3', 'end')
g.edge('b3', 'end')

g.node('start', shape='Mdiamond')
g.node('end', shape='Msquare')

g.view()
_images/cluster.svg

er.py

"""https://graphviz.org/Gallery/undirected/ER.html"""

import graphviz

e = graphviz.Graph('ER', filename='er.gv', engine='neato')

e.attr('node', shape='box')
e.node('course')
e.node('institute')
e.node('student')

e.attr('node', shape='ellipse')
e.node('name0', label='name')
e.node('name1', label='name')
e.node('name2', label='name')
e.node('code')
e.node('grade')
e.node('number')

e.attr('node', shape='diamond', style='filled', color='lightgrey')
e.node('C-I')
e.node('S-C')
e.node('S-I')

e.edge('name0', 'course')
e.edge('code', 'course')
e.edge('course', 'C-I', label='n', len='1.00')
e.edge('C-I', 'institute', label='1', len='1.00')
e.edge('institute', 'name1')
e.edge('institute', 'S-I', label='1', len='1.00')
e.edge('S-I', 'student', label='n', len='1.00')
e.edge('student', 'grade')
e.edge('student', 'name2')
e.edge('student', 'number')
e.edge('student', 'S-C', label='m', len='1.00')
e.edge('S-C', 'course', label='n', len='1.00')

e.attr(label=r'\n\nEntity Relation Diagram\ndrawn by NEATO')
e.attr(fontsize='20')

e.view()
_images/er.svg

unix.py

"""https://graphviz.org/Gallery/directed/unix.html"""

import graphviz

u = graphviz.Digraph('unix', filename='unix.gv',
                     node_attr={'color': 'lightblue2', 'style': 'filled'})
u.attr(size='6,6')

u.edge('5th Edition', '6th Edition')
u.edge('5th Edition', 'PWB 1.0')
u.edge('6th Edition', 'LSX')
u.edge('6th Edition', '1 BSD')
u.edge('6th Edition', 'Mini Unix')
u.edge('6th Edition', 'Wollongong')
u.edge('6th Edition', 'Interdata')
u.edge('Interdata', 'Unix/TS 3.0')
u.edge('Interdata', 'PWB 2.0')
u.edge('Interdata', '7th Edition')
u.edge('7th Edition', '8th Edition')
u.edge('7th Edition', '32V')
u.edge('7th Edition', 'V7M')
u.edge('7th Edition', 'Ultrix-11')
u.edge('7th Edition', 'Xenix')
u.edge('7th Edition', 'UniPlus+')
u.edge('V7M', 'Ultrix-11')
u.edge('8th Edition', '9th Edition')
u.edge('1 BSD', '2 BSD')
u.edge('2 BSD', '2.8 BSD')
u.edge('2.8 BSD', 'Ultrix-11')
u.edge('2.8 BSD', '2.9 BSD')
u.edge('32V', '3 BSD')
u.edge('3 BSD', '4 BSD')
u.edge('4 BSD', '4.1 BSD')
u.edge('4.1 BSD', '4.2 BSD')
u.edge('4.1 BSD', '2.8 BSD')
u.edge('4.1 BSD', '8th Edition')
u.edge('4.2 BSD', '4.3 BSD')
u.edge('4.2 BSD', 'Ultrix-32')
u.edge('PWB 1.0', 'PWB 1.2')
u.edge('PWB 1.0', 'USG 1.0')
u.edge('PWB 1.2', 'PWB 2.0')
u.edge('USG 1.0', 'CB Unix 1')
u.edge('USG 1.0', 'USG 2.0')
u.edge('CB Unix 1', 'CB Unix 2')
u.edge('CB Unix 2', 'CB Unix 3')
u.edge('CB Unix 3', 'Unix/TS++')
u.edge('CB Unix 3', 'PDP-11 Sys V')
u.edge('USG 2.0', 'USG 3.0')
u.edge('USG 3.0', 'Unix/TS 3.0')
u.edge('PWB 2.0', 'Unix/TS 3.0')
u.edge('Unix/TS 1.0', 'Unix/TS 3.0')
u.edge('Unix/TS 3.0', 'TS 4.0')
u.edge('Unix/TS++', 'TS 4.0')
u.edge('CB Unix 3', 'TS 4.0')
u.edge('TS 4.0', 'System V.0')
u.edge('System V.0', 'System V.2')
u.edge('System V.2', 'System V.3')

u.view()
_images/unix.svg

structs.py

"""https://www.graphviz.org/doc/info/shapes.html#html"""

import graphviz

s = graphviz.Digraph('structs', filename='structs.gv',
                     node_attr={'shape': 'plaintext'})

s.node('struct1', '''<
<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
  <TR>
    <TD>left</TD>
    <TD PORT="f1">middle</TD>
    <TD PORT="f2">right</TD>
  </TR>
</TABLE>>''')
s.node('struct2', '''<
<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
  <TR>
    <TD PORT="f0">one</TD>
    <TD>two</TD>
  </TR>
</TABLE>>''')
s.node('struct3', '''<
<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4">
  <TR>
    <TD ROWSPAN="3">hello<BR/>world</TD>
    <TD COLSPAN="3">b</TD>
    <TD ROWSPAN="3">g</TD>
    <TD ROWSPAN="3">h</TD>
  </TR>
  <TR>
    <TD>c</TD>
    <TD PORT="here">d</TD>
    <TD>e</TD>
  </TR>
  <TR>
    <TD COLSPAN="3">f</TD>
  </TR>
</TABLE>>''')

s.edges([('struct1:f1', 'struct2:f0'), ('struct1:f2', 'struct3:here')])

s.view()
_images/structs.svg

structs_revisited.py

"""https://www.graphviz.org/pdf/dotguide.pdf, Figure 12"""

import graphviz

s = graphviz.Digraph('structs', filename='structs_revisited.gv',
                     node_attr={'shape': 'record'})

s.node('struct1', '<f0> left|<f1> middle|<f2> right')
s.node('struct2', '<f0> one|<f1> two')
s.node('struct3', r'hello\nworld |{ b |{c|<here> d|e}| f}| g | h')

s.edges([('struct1:f1', 'struct2:f0'), ('struct1:f2', 'struct3:here')])

s.view()
_images/structs_revisited.svg

btree.py

"""https://www.graphviz.org/pdf/dotguide.pdf, Figure 13"""

import graphviz
from graphviz import nohtml

g = graphviz.Digraph('g', filename='btree.gv',
                     node_attr={'shape': 'record', 'height': '.1'})

g.node('node0', nohtml('<f0> |<f1> G|<f2>'))
g.node('node1', nohtml('<f0> |<f1> E|<f2>'))
g.node('node2', nohtml('<f0> |<f1> B|<f2>'))
g.node('node3', nohtml('<f0> |<f1> F|<f2>'))
g.node('node4', nohtml('<f0> |<f1> R|<f2>'))
g.node('node5', nohtml('<f0> |<f1> H|<f2>'))
g.node('node6', nohtml('<f0> |<f1> Y|<f2>'))
g.node('node7', nohtml('<f0> |<f1> A|<f2>'))
g.node('node8', nohtml('<f0> |<f1> C|<f2>'))

g.edge('node0:f2', 'node4:f1')
g.edge('node0:f0', 'node1:f1')
g.edge('node1:f0', 'node2:f1')
g.edge('node1:f2', 'node3:f1')
g.edge('node2:f2', 'node8:f1')
g.edge('node2:f0', 'node7:f1')
g.edge('node4:f2', 'node6:f1')
g.edge('node4:f0', 'node5:f1')

g.view()
_images/btree.svg

traffic_lights.py

"""https://www.graphviz.org/Gallery/directed/traffic_lights.html"""

import graphviz

t = graphviz.Digraph('TrafficLights', filename='traffic_lights.gv',
                     engine='neato')

t.attr('node', shape='box')
for i in (2, 1):
    t.node(f'gy{i:d}')
    t.node(f'yr{i:d}')
    t.node(f'rg{i:d}')

t.attr('node', shape='circle', fixedsize='true', width='0.9')
for i in (2, 1):
    t.node(f'green{i:d}')
    t.node(f'yellow{i:d}')
    t.node(f'red{i:d}')
    t.node(f'safe{i:d}')

for i, j in [(2, 1), (1, 2)]:
    t.edge(f'gy{i:d}', f'yellow{i:d}')
    t.edge(f'rg{i:d}', f'green{i:d}')
    t.edge(f'yr{i:d}', f'safe{j:d}')
    t.edge(f'yr{i:d}', f'red{i:d}')
    t.edge(f'safe{i:d}', f'rg{i:d}')
    t.edge(f'green{i:d}', f'gy{i:d}')
    t.edge(f'yellow{i:d}', f'yr{i:d}')
    t.edge(f'red{i:d}', f'rg{i:d}')

t.attr(overlap='false')
t.attr(label=r'PetriNet Model TrafficLights\n'
             r'Extracted from ConceptBase and layed out by Graphviz')
t.attr(fontsize='12')

t.view()
_images/traffic_lights.svg

fdpclust.py

"""https://www.graphviz.org/Gallery/undirected/fdpclust.html"""

import graphviz

g = graphviz.Graph('G', filename='fdpclust.gv', engine='fdp')

g.node('e')

with g.subgraph(name='clusterA') as a:
    a.edge('a', 'b')
    with a.subgraph(name='clusterC') as c:
        c.edge('C', 'D')

with g.subgraph(name='clusterB') as b:
    b.edge('d', 'f')

g.edge('d', 'D')
g.edge('e', 'clusterB')
g.edge('clusterC', 'clusterB')

g.view()
_images/fdpclust.svg

cluster_edge.py

"""https://www.graphviz.org/pdf/dotguide.pdf, Figure 20"""

import graphviz

g = graphviz.Digraph('G', filename='cluster_edge.gv')
g.attr(compound='true')

with g.subgraph(name='cluster0') as c:
    c.edges(['ab', 'ac', 'bd', 'cd'])

with g.subgraph(name='cluster1') as c:
    c.edges(['eg', 'ef'])

g.edge('b', 'f', lhead='cluster1')
g.edge('d', 'e')
g.edge('c', 'g', ltail='cluster0', lhead='cluster1')
g.edge('c', 'e', ltail='cluster0')
g.edge('d', 'h')

g.view()
_images/cluster_edge.svg

g_c_n.py

"""https://www.graphviz.org/Gallery/gradient/g_c_n.html"""

import graphviz

g = graphviz.Graph('G', filename='g_c_n.gv')
g.attr(bgcolor='purple:pink', label='agraph', fontcolor='white')

with g.subgraph(name='cluster1') as c:
    c.attr(fillcolor='blue:cyan', label='acluster', fontcolor='white',
           style='filled', gradientangle='270')
    c.attr('node', shape='box', fillcolor='red:yellow',
           style='filled', gradientangle='90')
    c.node('anode')

g.view()
_images/g_c_n.svg

angles.py

"""https://www.graphviz.org/Gallery/gradient/angles.html"""

import graphviz

g = graphviz.Digraph('G', filename='angles.gv')
g.attr(bgcolor='blue')

with g.subgraph(name='cluster_1') as c:
    c.attr(fontcolor='white')
    c.attr('node', shape='circle', style='filled', fillcolor='white:black',
           gradientangle='360', label='n9:360', fontcolor='black')
    c.node('n9')
    for i, a in zip(range(8, 0, -1), range(360 - 45, -1, -45)):
        c.attr('node', gradientangle=f'{a:d}', label=f'n{i:d}:{a:d}')
        c.node(f'n{i:d}')
    c.attr(label='Linear Angle Variations (white to black gradient)')

with g.subgraph(name='cluster_2') as c:
    c.attr(fontcolor='white')
    c.attr('node', shape='circle', style='radial', fillcolor='white:black',
           gradientangle='360', label='n18:360', fontcolor='black')
    c.node('n18')
    for i, a in zip(range(17, 9, -1), range(360 - 45, -1, -45)):
        c.attr('node', gradientangle=f'{a:d}', label=f'n{i:d}:{a:d}')
        c.node(f'n{i:d}')
    c.attr(label='Radial Angle Variations (white to black gradient)')

g.edge('n5', 'n14')

g.view()
_images/angles.svg

rank_same.py

"""https://stackoverflow.com/questions/25734244/how-do-i-place-nodes-on-the-same-level-in-dot"""

import graphviz

d = graphviz.Digraph(filename='rank_same.gv')

with d.subgraph() as s:
    s.attr(rank='same')
    s.node('A')
    s.node('X')

d.node('C')

with d.subgraph() as s:
    s.attr(rank='same')
    s.node('B')
    s.node('D')
    s.node('Y')

d.edges(['AB', 'AC', 'CD', 'XY'])

d.view()
_images/rank_same.svg

colors.py

"""https://graphviz.org/docs/attr-types/color"""

import graphviz

g = graphviz.Graph(filename='colors.gv')

red, green, blue = 64, 224, 208
assert f'#{red:x}{green:x}{blue:x}' == '#40e0d0'

g.node('RGB: #40e0d0', style='filled', fillcolor='#40e0d0')

g.node('RGBA: #ff000042', style='filled', fillcolor='#ff000042')

g.node('HSV: 0.051 0.718 0.627', style='filled', fillcolor='0.051 0.718 0.627')

g.node('name: deeppink', style='filled', fillcolor='deeppink')

g.view()
_images/colors.svg