stable-diffusion-webui/webui.py
2022-11-05 16:20:40 +03:00

201 lines
6.3 KiB
Python

import os
import threading
import time
import importlib
import signal
import threading
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.middleware.gzip import GZipMiddleware
from modules.paths import script_path
from modules import devices, sd_samplers, upscaler, extensions
import modules.codeformer_model as codeformer
import modules.extras
import modules.face_restoration
import modules.gfpgan_model as gfpgan
import modules.img2img
import modules.lowvram
import modules.paths
import modules.scripts
import modules.sd_hijack
import modules.sd_models
import modules.sd_vae
import modules.shared as shared
import modules.txt2img
import modules.script_callbacks
import modules.ui
from modules import devices
from modules import modelloader
from modules.paths import script_path
from modules.shared import cmd_opts
import modules.hypernetworks.hypernetwork
queue_lock = threading.Lock()
server_name = "0.0.0.0" if cmd_opts.listen else cmd_opts.server_name
def wrap_queued_call(func):
def f(*args, **kwargs):
with queue_lock:
res = func(*args, **kwargs)
return res
return f
def wrap_gradio_gpu_call(func, extra_outputs=None):
def f(*args, **kwargs):
shared.state.begin()
with queue_lock:
res = func(*args, **kwargs)
shared.state.end()
return res
return modules.ui.wrap_gradio_call(f, extra_outputs=extra_outputs)
def initialize():
extensions.list_extensions()
if cmd_opts.ui_debug_mode:
shared.sd_upscalers = upscaler.UpscalerLanczos().scalers
modules.scripts.load_scripts()
return
modelloader.cleanup_models()
modules.sd_models.setup_model()
codeformer.setup_model(cmd_opts.codeformer_models_path)
gfpgan.setup_model(cmd_opts.gfpgan_models_path)
shared.face_restorers.append(modules.face_restoration.FaceRestoration())
modelloader.load_upscalers()
modules.scripts.load_scripts()
modules.sd_vae.refresh_vae_list()
modules.sd_models.load_model()
shared.opts.onchange("sd_model_checkpoint", wrap_queued_call(lambda: modules.sd_models.reload_model_weights()))
shared.opts.onchange("sd_vae", wrap_queued_call(lambda: modules.sd_vae.reload_vae_weights()), call=False)
shared.opts.onchange("sd_hypernetwork", wrap_queued_call(lambda: modules.hypernetworks.hypernetwork.load_hypernetwork(shared.opts.sd_hypernetwork)))
shared.opts.onchange("sd_hypernetwork_strength", modules.hypernetworks.hypernetwork.apply_strength)
if cmd_opts.tls_keyfile is not None and cmd_opts.tls_keyfile is not None:
try:
if not os.path.exists(cmd_opts.tls_keyfile):
print("Invalid path to TLS keyfile given")
if not os.path.exists(cmd_opts.tls_certfile):
print(f"Invalid path to TLS certfile: '{cmd_opts.tls_certfile}'")
except TypeError:
cmd_opts.tls_keyfile = cmd_opts.tls_certfile = None
print("TLS setup invalid, running webui without TLS")
else:
print("Running with TLS")
# make the program just exit at ctrl+c without waiting for anything
def sigint_handler(sig, frame):
print(f'Interrupted with signal {sig} in {frame}')
os._exit(0)
signal.signal(signal.SIGINT, sigint_handler)
def setup_cors(app):
if cmd_opts.cors_allow_origins:
app.add_middleware(CORSMiddleware, allow_origins=cmd_opts.cors_allow_origins.split(','), allow_methods=['*'])
def create_api(app):
from modules.api.api import Api
api = Api(app, queue_lock)
return api
def wait_on_server(demo=None):
while 1:
time.sleep(0.5)
if shared.state.need_restart:
shared.state.need_restart = False
time.sleep(0.5)
demo.close()
time.sleep(0.5)
break
def api_only():
initialize()
app = FastAPI()
setup_cors(app)
app.add_middleware(GZipMiddleware, minimum_size=1000)
api = create_api(app)
modules.script_callbacks.app_started_callback(None, app)
api.launch(server_name="0.0.0.0" if cmd_opts.listen else "127.0.0.1", port=cmd_opts.port if cmd_opts.port else 7861)
def webui():
launch_api = cmd_opts.api
initialize()
while 1:
demo = modules.ui.create_ui(wrap_gradio_gpu_call=wrap_gradio_gpu_call)
app, local_url, share_url = demo.launch(
share=cmd_opts.share,
server_name=server_name,
server_port=cmd_opts.port,
ssl_keyfile=cmd_opts.tls_keyfile,
ssl_certfile=cmd_opts.tls_certfile,
debug=cmd_opts.gradio_debug,
auth=[tuple(cred.split(':')) for cred in cmd_opts.gradio_auth.strip('"').split(',')] if cmd_opts.gradio_auth else None,
inbrowser=cmd_opts.autolaunch,
prevent_thread_lock=True
)
# after initial launch, disable --autolaunch for subsequent restarts
cmd_opts.autolaunch = False
# gradio uses a very open CORS policy via app.user_middleware, which makes it possible for
# an attacker to trick the user into opening a malicious HTML page, which makes a request to the
# running web ui and do whatever the attcker wants, including installing an extension and
# runnnig its code. We disable this here. Suggested by RyotaK.
app.user_middleware = [x for x in app.user_middleware if x.cls.__name__ != 'CORSMiddleware']
setup_cors(app)
app.add_middleware(GZipMiddleware, minimum_size=1000)
if launch_api:
create_api(app)
modules.script_callbacks.app_started_callback(demo, app)
wait_on_server(demo)
sd_samplers.set_samplers()
print('Reloading extensions')
extensions.list_extensions()
print('Reloading custom scripts')
modules.scripts.reload_scripts()
print('Reloading modules: modules.ui')
importlib.reload(modules.ui)
print('Refreshing Model List')
modules.sd_models.list_models()
print('Restarting Gradio')
if __name__ == "__main__":
if cmd_opts.nowebui:
api_only()
else:
webui()