How does python parse css styles

tinycss2 is a Python library that provides a lightweight way to parse CSS stylesheets. Compared with other CSS parsing libraries, tinycss2 has faster parsing speed and lower memory usage, and supports most features in CSS3 and CSS4 standards.

Here are some common uses of the tinycss2 library:

• Parsing CSS stylesheets

from tinycss2 import parse_stylesheet

# 解析样式表
css = '''
body {
    background-color: #f0f0f0;
    font-family: sans-serif;
}
h1, h2, h3 {
    color: #333;
    font-weight: bold;
}
'''

stylesheet = parse_stylesheet(css)

# 遍历样式规则
for rule in stylesheet: