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import os

import sys

import shutil

import threading

import asyncio

if os.name == "nt":

import logging

logging.getLogger("xformers").addFilter(lambda record: 'A matching Triton is not available' not in record.getMessage())

if __name__ == "__main__":

if '--help' in sys.argv:

print("Valid Command line Arguments:")

print("\t--listen\t\t\tListen on 0.0.0.0 so the UI can be accessed from other computers.")

print("\t--port 8188\t\t\tSet the listen port.")

print("\t--dont-upcast-attention\t\tDisable upcasting of attention \n\t\t\t\t\tcan boost speed but increase the chances of black images.\n")

print("\t--use-split-cross-attention\tUse the split cross attention optimization instead of the sub-quadratic one.\n\t\t\t\t\tIgnored when xformers is used.")

print("\t--use-pytorch-cross-attention\tUse the new pytorch 2.0 cross attention function.")

print("\t--disable-xformers\t\tdisables xformers")

print()

print("\t--highvram\t\t\tBy default models will be unloaded to CPU memory after being used.\n\t\t\t\t\tThis option keeps them in GPU memory.\n")

print("\t--normalvram\t\t\tUsed to force normal vram use if lowvram gets automatically enabled.")

print("\t--lowvram\t\t\tSplit the unet in parts to use less vram.")

print("\t--novram\t\t\tWhen lowvram isn't enough.")

print()

print("\t--cpu\t\t\tTo use the CPU for everything (slow).")

exit()

if '--dont-upcast-attention' in sys.argv:

print("disabling upcasting of attention")

os.environ['ATTN_PRECISION'] = "fp16"

import execution

import server

def prompt_worker(q, server):

e = execution.PromptExecutor(server)

while True:

item, item_id = q.get()

e.execute(item[-2], item[-1])

q.task_done(item_id, e.outputs)

async def run(server, address='', port=8188, verbose=True, call_on_start=None):

await asyncio.gather(server.start(address, port, verbose, call_on_start), server.publish_loop())

def hijack_progress(server):

from tqdm.auto import tqdm

orig_func = getattr(tqdm, "update")

def wrapped_func(*args, **kwargs):

pbar = args[0]

v = orig_func(*args, **kwargs)

server.send_sync("progress", { "value": pbar.n, "max": pbar.total}, server.client_id)

return v

setattr(tqdm, "update", wrapped_func)

def cleanup_temp():

temp_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "temp")

if os.path.exists(temp_dir):

shutil.rmtree(temp_dir, ignore_errors=True)

if __name__ == "__main__":

cleanup_temp()

loop = asyncio.new_event_loop()

asyncio.set_event_loop(loop)

server = server.PromptServer(loop)

q = execution.PromptQueue(server)

hijack_progress(server)

threading.Thread(target=prompt_worker, daemon=True, args=(q,server,)).start()

if '--listen' in sys.argv:

address = '0.0.0.0'

else:

address = '127.0.0.1'

dont_print = False

if '--dont-print-server' in sys.argv:

dont_print = True

port = 8188

try:

p_index = sys.argv.index('--port')

port = int(sys.argv[p_index + 1])

except:

pass

if '--quick-test-for-ci' in sys.argv:

exit(0)

call_on_start = None

if "--windows-standalone-build" in sys.argv:

def startup_server(address, port):

import webbrowser

webbrowser.open("http://{}:{}".format(address, port))

call_on_start = startup_server

if os.name == "nt":

try:

loop.run_until_complete(run(server, address=address, port=port, verbose=not dont_print, call_on_start=call_on_start))

except KeyboardInterrupt:

pass

else:

loop.run_until_complete(run(server, address=address, port=port, verbose=not dont_print, call_on_start=call_on_start))

cleanup_temp()