支持动态切换主题

main.py

@@ -206,8 +206,11 @@ def main():
         md_dropdown.select(on_md_dropdown_changed, [md_dropdown], [chatbot] )
 
         def on_theme_dropdown_changed(theme, secret_css):
-            adjust_theme, css_part1, _ = load_dynamic_theme(theme)
-            css_part2 = adjust_theme()._get_theme_css()
+            adjust_theme, css_part1, _, adjust_dynamic_theme = load_dynamic_theme(theme)
+            if adjust_dynamic_theme:
+                css_part2 = adjust_dynamic_theme._get_theme_css()
+            else:
+                css_part2 = adjust_theme()._get_theme_css()
             return css_part2 + css_part1
         
         theme_handle = theme_dropdown.select(on_theme_dropdown_changed, [theme_dropdown, secret_css], [secret_css])

themes/gradios.py

@@ -3,6 +3,15 @@ import logging
 from toolbox import get_conf, ProxyNetworkActivate
 CODE_HIGHLIGHT, ADD_WAIFU, LAYOUT = get_conf('CODE_HIGHLIGHT', 'ADD_WAIFU', 'LAYOUT')
 
+def dynamic_set_theme(THEME):
+    set_theme = gr.themes.ThemeClass()
+    with ProxyNetworkActivate():
+        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:

themes/theme.py

@@ -3,6 +3,7 @@ from toolbox import get_conf
 THEME, = get_conf('THEME')
 
 def load_dynamic_theme(THEME):
+    adjust_dynamic_theme = None
     if THEME == 'Chuanhu-Small-and-Beautiful':
         from .green import adjust_theme, advanced_css
         theme_declaration = "<h2 align=\"center\"  class=\"small\">[Chuanhu-Small-and-Beautiful主题]</h2>"
@@ -11,10 +12,12 @@ def load_dynamic_theme(THEME):
         theme_declaration = ""
     elif '/' in THEME:
         from .gradios import adjust_theme, advanced_css
+        from .gradios import dynamic_set_theme
+        adjust_dynamic_theme = dynamic_set_theme(THEME)
         theme_declaration = ""
     else:
         from .default import adjust_theme, advanced_css
         theme_declaration = ""
-    return adjust_theme, advanced_css, theme_declaration
+    return adjust_theme, advanced_css, theme_declaration, adjust_dynamic_theme
 
-adjust_theme, advanced_css, theme_declaration = load_dynamic_theme(THEME)
+adjust_theme, advanced_css, theme_declaration, _ = load_dynamic_theme(THEME)