dot drawing
python drawing graphviz
environment
It was installed locally in the previous section graphviz. If you want to use python, you need to install the pip package.
pip install graphviz
python use
dot = Digraph(comment="My Graph")
# 添加一些节点
dot.node("A", "Node A")
dot.node("B", "Node B")
dot.node("C", "Node C")
dot.node("D", "Node D")
# 添加一些边
dot.edge("A", "B")
dot.edge("A", "C")
dot.edge("C", "D")
# 保存图像
dot.render("my_graph", view=True)
renderings
Common mistakes
No module named 'graphviz'
Just installing the python package is not enough, you also need to install graphvizthe software.