label_converter is a Python library to turn HTML string to png file for label printing.
from label_converter import label_converter
header = '<p>I\'m head</p>'
body = '<p>I\'m <strong>label</strong> <span style="font-size: 30px; color: rgb(184, 49, 47);">body</span></p>'
footer = '<p>I\'m footer</p>
width = 600
height = 500
base64_encoding = False
label_converter.create(header, body, footer, width, height, base64_encoding)