themes/gradios.py

import logging
import os
import gradio as gr
from toolbox import get_conf, ProxyNetworkActivate
CODE_HIGHLIGHT, ADD_WAIFU, LAYOUT = get_conf('CODE_HIGHLIGHT', 'ADD_WAIFU', 'LAYOUT')
theme_dir = os.path.dirname(__file__)

def dynamic_set_theme(THEME):
    set_theme = gr.themes.ThemeClass()
    with ProxyNetworkActivate('Download_Gradio_Theme'):
        logging.info('正在下载Gradio主题，请稍等。')
        if THEME.startswith('Huggingface-'): THEME = THEME.lstrip('Huggingface-')
        if THEME.startswith('huggingface-'): THEME = THEME.lstrip('huggingface-')
        set_theme = set_theme.from_hub(THEME.lower())
    return set_theme

def adjust_theme():
    try:
        set_theme = gr.themes.ThemeClass()
        with ProxyNetworkActivate('Download_Gradio_Theme'):
            logging.info('正在下载Gradio主题，请稍等。')
            THEME = get_conf('THEME')
            if THEME.startswith('Huggingface-'): THEME = THEME.lstrip('Huggingface-')
            if THEME.startswith('huggingface-'): THEME = THEME.lstrip('huggingface-')
            set_theme = set_theme.from_hub(THEME.lower())

        with open(os.path.join(theme_dir, 'common.js'), 'r', encoding='utf8') as f: 
            js = f"<script>{f.read()}</script>"

        # 添加一个萌萌的看板娘
        if ADD_WAIFU:
            js += """
                <script src="file=docs/waifu_plugin/jquery.min.js"></script>
                <script src="file=docs/waifu_plugin/jquery-ui.min.js"></script>
                <script src="file=docs/waifu_plugin/autoload.js"></script>
            """
        if not hasattr(gr, 'RawTemplateResponse'):
            gr.RawTemplateResponse = gr.routes.templates.TemplateResponse
        gradio_original_template_fn = gr.RawTemplateResponse
        def gradio_new_template_fn(*args, **kwargs):
            res = gradio_original_template_fn(*args, **kwargs)
            res.body = res.body.replace(b'</html>', f'{js}</html>'.encode("utf8"))
            res.init_headers()
            return res
        gr.routes.templates.TemplateResponse = gradio_new_template_fn   # override gradio template
    except Exception as e:
        set_theme = None
        from toolbox import trimmed_format_exc
        logging.error('gradio版本较旧, 不能自定义字体和颜色:', trimmed_format_exc())
    return set_theme

with open(os.path.join(theme_dir, 'common.css'), "r", encoding="utf-8") as f:
    advanced_css = f.read()