main.py 8 KB
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import comfy.options
comfy.options.enable_args_parsing()

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import os
import importlib.util
import folder_paths
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import time
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def execute_prestartup_script():
    def execute_script(script_path):
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        module_name = os.path.splitext(script_path)[0]
        try:
            spec = importlib.util.spec_from_file_location(module_name, script_path)
            module = importlib.util.module_from_spec(spec)
            spec.loader.exec_module(module)
            return True
        except Exception as e:
            print(f"Failed to execute startup-script: {script_path} / {e}")
        return False
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    node_paths = folder_paths.get_folder_paths("custom_nodes")
    for custom_node_path in node_paths:
        possible_modules = os.listdir(custom_node_path)
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        node_prestartup_times = []
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        for possible_module in possible_modules:
            module_path = os.path.join(custom_node_path, possible_module)
            if os.path.isfile(module_path) or module_path.endswith(".disabled") or module_path == "__pycache__":
                continue

            script_path = os.path.join(module_path, "prestartup_script.py")
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            if os.path.exists(script_path):
                time_before = time.perf_counter()
                success = execute_script(script_path)
                node_prestartup_times.append((time.perf_counter() - time_before, module_path, success))
    if len(node_prestartup_times) > 0:
        print("\nPrestartup times for custom nodes:")
        for n in sorted(node_prestartup_times):
            if n[2]:
                import_message = ""
            else:
                import_message = " (PRESTARTUP FAILED)"
            print("{:6.1f} seconds{}:".format(n[0], import_message), n[1])
        print()
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execute_prestartup_script()


# Main code
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import asyncio
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import itertools
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import shutil
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import threading
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import gc
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from comfy.cli_args import args
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if os.name == "nt":
    import logging
    logging.getLogger("xformers").addFilter(lambda record: 'A matching Triton is not available' not in record.getMessage())

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if __name__ == "__main__":
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    if args.cuda_device is not None:
        os.environ['CUDA_VISIBLE_DEVICES'] = str(args.cuda_device)
        print("Set cuda device to:", args.cuda_device)

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    import cuda_malloc
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import comfy.utils
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import yaml
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import execution
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import server
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from server import BinaryEventTypes
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from nodes import init_custom_nodes
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import comfy.model_management
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def cuda_malloc_warning():
    device = comfy.model_management.get_torch_device()
    device_name = comfy.model_management.get_torch_device_name(device)
    cuda_malloc_warning = False
    if "cudaMallocAsync" in device_name:
        for b in cuda_malloc.blacklist:
            if b in device_name:
                cuda_malloc_warning = True
        if cuda_malloc_warning:
            print("\nWARNING: this card most likely does not support cuda-malloc, if you get \"CUDA error\" please run ComfyUI with: --disable-cuda-malloc\n")

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def prompt_worker(q, server):
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    e = execution.PromptExecutor(server)
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    last_gc_collect = 0
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    need_gc = False
    gc_collect_interval = 10.0

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    while True:
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        timeout = None
        if need_gc:
            timeout = max(gc_collect_interval - (current_time - last_gc_collect), 0.0)

        queue_item = q.get(timeout=timeout)
        if queue_item is not None:
            item, item_id = queue_item
            execution_start_time = time.perf_counter()
            prompt_id = item[1]
            e.execute(item[2], prompt_id, item[3], item[4])
            need_gc = True
            q.task_done(item_id, e.outputs_ui)
            if server.client_id is not None:
                server.send_sync("executing", { "node": None, "prompt_id": prompt_id }, server.client_id)

            current_time = time.perf_counter()
            execution_time = current_time - execution_start_time
            print("Prompt executed in {:.2f} seconds".format(execution_time))

        if need_gc:
            current_time = time.perf_counter()
            if (current_time - last_gc_collect) > gc_collect_interval:
                gc.collect()
                comfy.model_management.soft_empty_cache()
                last_gc_collect = current_time
                need_gc = False
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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())
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def hijack_progress(server):
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    def hook(value, total, preview_image):
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        comfy.model_management.throw_exception_if_processing_interrupted()
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        server.send_sync("progress", {"value": value, "max": total}, server.client_id)
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        if preview_image is not None:
            server.send_sync(BinaryEventTypes.UNENCODED_PREVIEW_IMAGE, preview_image, server.client_id)
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    comfy.utils.set_progress_bar_global_hook(hook)
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def cleanup_temp():
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    temp_dir = folder_paths.get_temp_directory()
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    if os.path.exists(temp_dir):
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        shutil.rmtree(temp_dir, ignore_errors=True)
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def load_extra_path_config(yaml_path):
    with open(yaml_path, 'r') as stream:
        config = yaml.safe_load(stream)
    for c in config:
        conf = config[c]
        if conf is None:
            continue
        base_path = None
        if "base_path" in conf:
            base_path = conf.pop("base_path")
        for x in conf:
            for y in conf[x].split("\n"):
                if len(y) == 0:
                    continue
                full_path = y
                if base_path is not None:
                    full_path = os.path.join(base_path, full_path)
                print("Adding extra search path", x, full_path)
                folder_paths.add_model_folder_path(x, full_path)

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if __name__ == "__main__":
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    if args.temp_directory:
        temp_dir = os.path.join(os.path.abspath(args.temp_directory), "temp")
        print(f"Setting temp directory to: {temp_dir}")
        folder_paths.set_temp_directory(temp_dir)
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    cleanup_temp()

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    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
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    server = server.PromptServer(loop)
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    q = execution.PromptQueue(server)
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    extra_model_paths_config_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "extra_model_paths.yaml")
    if os.path.isfile(extra_model_paths_config_path):
        load_extra_path_config(extra_model_paths_config_path)

    if args.extra_model_paths_config:
        for config_path in itertools.chain(*args.extra_model_paths_config):
            load_extra_path_config(config_path)

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    init_custom_nodes()
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    cuda_malloc_warning()

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    server.add_routes()
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    hijack_progress(server)

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    threading.Thread(target=prompt_worker, daemon=True, args=(q, server,)).start()
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    if args.output_directory:
        output_dir = os.path.abspath(args.output_directory)
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        print(f"Setting output directory to: {output_dir}")
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        folder_paths.set_output_directory(output_dir)

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    #These are the default folders that checkpoints, clip and vae models will be saved to when using CheckpointSave, etc.. nodes
    folder_paths.add_model_folder_path("checkpoints", os.path.join(folder_paths.get_output_directory(), "checkpoints"))
    folder_paths.add_model_folder_path("clip", os.path.join(folder_paths.get_output_directory(), "clip"))
    folder_paths.add_model_folder_path("vae", os.path.join(folder_paths.get_output_directory(), "vae"))

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    if args.input_directory:
        input_dir = os.path.abspath(args.input_directory)
        print(f"Setting input directory to: {input_dir}")
        folder_paths.set_input_directory(input_dir)

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    if args.quick_test_for_ci:
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        exit(0)

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    call_on_start = None
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    if args.auto_launch:
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        def startup_server(address, port):
            import webbrowser
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            if os.name == 'nt' and address == '0.0.0.0':
                address = '127.0.0.1'
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            webbrowser.open(f"http://{address}:{port}")
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        call_on_start = startup_server

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    try:
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        loop.run_until_complete(run(server, address=args.listen, port=args.port, verbose=not args.dont_print_server, call_on_start=call_on_start))
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    except KeyboardInterrupt:
        print("\nStopped server")
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    cleanup_temp()