🥩 字体压缩终极方法

# -*- coding: utf-8 -*-
"""
====================================
@File Name ：generate_fonts.py
@Time ： 2023/9/5 11:30
@Program IDE ：PyCharm
@Create by Author ： MasterMao
@Motto ："The trick, William Potter, is not minding that it hurts."
@Introduction : 
- 字体压缩实现
- 
====================================
"""
import os

SITE_PATH = '../site'
AIM_FONT = 'NotoSerifSC.otf'
FONTS_PATH = './Fonts'


def get_letters():
    char_list = []
    for root, dirs, files in os.walk(SITE_PATH):
        for file in files:
            if file.endswith('.html'):
                html_path = os.path.join(root, file)
                with open(html_path, 'r', encoding='utf8') as f:
                    contents = f.readlines()
                for content in contents:
                    char_list.extend(list(content))
    char_simple_list = list(set(char_list))
    return char_simple_list


def generate_fonts(letter_list):
    char_unicode = [str(item.encode('unicode_escape').decode()).split('u')[-1].upper() + '\n' for item in
                    letter_list if '\u4e00' <= item <= '\u9fff']
    with open(f'{FONTS_PATH}/sc_unicode.txt', 'w', encoding='utf8') as f:
        f.writelines(char_unicode)

    # pip install fonttools
    cmd = f'cd {os.path.abspath(FONTS_PATH)} && pyftsubset {AIM_FONT} --unicodes-file=sc_unicode.txt'
    re = os.system(cmd)
    assert [1, 0][re], '生成字体失败'


if __name__ == '__main__':
    letters = get_letters()
    generate_fonts(letters)

.
├── Fonts
│   ├── NotoSerifSC.otf
│   ├── NotoSerifSC.subset.otf
│   └── sc_unicode.txt
└── generate_fonts.py