Merge pull request #11797 from wfjsw/ext-index-env

import json

import os.path

import os

import threading

import time

from datetime import datetime

            with gr.TabItem("Available", id="available"):

                with gr.Row():

                    refresh_available_extensions_button = gr.Button(value="Load from:", variant="primary")

                    available_extensions_index = gr.Text(value="https://raw.githubusercontent.com/AUTOMATIC1111/stable-diffusion-webui-extensions/master/index.json", label="Extension index URL").style(container=False)

                    extensions_index_url = os.environ.get('WEBUI_EXTENSIONS_INDEX', "https://raw.githubusercontent.com/AUTOMATIC1111/stable-diffusion-webui-extensions/master/index.json")

                    available_extensions_index = gr.Text(value=extensions_index_url, label="Extension index URL").style(container=False)

                    extension_to_install = gr.Text(elem_id="extension_to_install", visible=False)

                    install_extension_button = gr.Button(elem_id="install_extension_button", visible=False)