md_mermaid

mermaid extension for Python-Markdown to add support for mermaid graph inside markdown file

Installation

For pip installation (only python version >=3.x) :

pip install markdown
pip install md-mermaid

Usage

In your python script :

import markdown

text = """
# Title

Some text.

​~~~mermaid
graph TB
A --> B
B --> C
​~~~

Some other text.

​~~~mermaid
graph TB
D --> E
E --> F
​~~~
"""

html = markdown.markdown(text, extensions=['md_mermaid'])

print(html)

Output will result in :

<h1>Title</h1>
<p>Some text.</p>
<div class="mermaid">
graph TB
A --> B
B --> C
</div>

<p>Some other text.</p>
<div class="mermaid">
graph TB
D --> E
E --> F
</div>

<script>mermaid.initialize({startOnLoad:true});</script>

The <script>...</script> line appears only once even if there are several graphs in the file.

Note that the extension name have a '_' not a '-'.

Attention : don't forget to include in your output html project the two following mermaid files :

• mermaid.css (optional, can be customised)
• mermaid.min.js (can be download here here)