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import os | |
import pathlib | |
from gradio.themes.utils import ThemeAsset | |
def create_theme_dropdown(): | |
import gradio as gr | |
asset_path = pathlib.Path(__file__).parent / "themes" | |
themes = [] | |
for theme_asset in os.listdir(str(asset_path)): | |
themes.append( | |
(ThemeAsset(theme_asset), gr.Theme.load(str(asset_path / theme_asset))) | |
) | |
def make_else_if(theme_asset): | |
return f""" | |
else if (theme == '{str(theme_asset[0].version)}') {{ | |
var theme_css = `{theme_asset[1]._get_theme_css()}` | |
}}""" | |
head, tail = themes[0], themes[1:] | |
if_statement = f""" | |
if (theme == "{str(head[0].version)}") {{ | |
var theme_css = `{head[1]._get_theme_css()}` | |
}} {" ".join(make_else_if(t) for t in tail)} | |
""" | |
latest_to_oldest = sorted([t[0] for t in themes], key=lambda asset: asset.version)[ | |
::-1 | |
] | |
latest_to_oldest = [str(t.version) for t in latest_to_oldest] | |
component = gr.Dropdown( | |
choices=latest_to_oldest, | |
value=latest_to_oldest[0], | |
render=False, | |
label="Select Version", | |
).style(container=False) | |
return ( | |
component, | |
f""" | |
(theme) => {{ | |
if (!document.querySelector('.theme-css')) {{ | |
var theme_elem = document.createElement('style'); | |
theme_elem.classList.add('theme-css'); | |
document.head.appendChild(theme_elem); | |
}} else {{ | |
var theme_elem = document.querySelector('.theme-css'); | |
}} | |
{if_statement} | |
theme_elem.innerHTML = theme_css; | |
}} | |
""", | |
) | |