Convert a matplotlib graph to base64, suitable for inclusing as a data: url in HTML.

matplotlib2base64MD.py

def build_GRAPHS_MD(fig):
    # encode as base64 for markdown display
    buf = io.BytesIO()
    fig.savefig(buf, format='png')
    buf.seek(0)
    b64str = base64.b64encode(buf.read()).decode('ascii')

    plt.close()
    
    markdown_txt = f"""

![Distribution](data:image/png;base64,{b64str})

` `  
` `  
    
    """
    
    return markdown_txt