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import gradio as gr
import logging
from toolbox import get_conf, ProxyNetworkActivate
CODE_HIGHLIGHT, ADD_WAIFU, LAYOUT = get_conf('CODE_HIGHLIGHT', 'ADD_WAIFU', 'LAYOUT')

def adjust_theme():

    try:
        set_theme = gr.themes.ThemeClass()
        with ProxyNetworkActivate():
            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())

        if LAYOUT=="TOP-DOWN": 
            js = ""
        else:
            with open('themes/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>
            """
        gradio_original_template_fn = gr.routes.templates.TemplateResponse
        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("themes/default.css", "r", encoding="utf-8") as f:
#     advanced_css = f.read()
with open("themes/common.css", "r", encoding="utf-8") as f:
    advanced_css = f.read()