ComfyUI/comfy/cli_args.py

from __future__ import annotations

import logging
import os
import sys
from importlib.metadata import entry_points
from types import ModuleType
from typing import Optional, List

import configargparse as argparse
from watchdog.observers import Observer

from . import __version__
from . import options
from .cli_args_types import LatentPreviewMethod, Configuration, ConfigurationExtender, ConfigChangeHandler, EnumAction, \
    EnhancedConfigArgParser

# todo: move this
DEFAULT_VERSION_STRING = "comfyanonymous/ComfyUI@latest"


def _create_parser() -> EnhancedConfigArgParser:
    parser = EnhancedConfigArgParser(default_config_files=['config.yaml', 'config.json'],
                                     auto_env_var_prefix='COMFYUI_',
                                     args_for_setting_config_path=["-c", "--config"],
                                     add_env_var_help=True, add_config_file_help=True, add_help=True,
                                     args_for_writing_out_config_file=["--write-out-config-file"])

    parser.add_argument('-w', "--cwd", type=str, default=None,
                        help="Specify the working directory. If not set, this is the current working directory. models/, input/, output/ and other directories will be located here by default.")
    parser.add_argument('-H', "--listen", type=str, default="127.0.0.1", metavar="IP", nargs="?", const="0.0.0.0",
                        help="Specify the IP address to listen on (default: 127.0.0.1). If --listen is provided without an argument, it defaults to 0.0.0.0. (listens on all)")
    parser.add_argument("--port", type=int, default=8188, help="Set the listen port.")
    parser.add_argument("--enable-cors-header", type=str, default=None, metavar="ORIGIN", nargs="?", const="*",
                        help="Enable CORS (Cross-Origin Resource Sharing) with optional origin or allow all with default '*'.")
    parser.add_argument("--max-upload-size", type=float, default=100, help="Set the maximum upload size in MB.")
    parser.add_argument("--extra-model-paths-config", type=str, default=None, metavar="PATH", nargs='+',
                        action='append', help="Load one or more extra_model_paths.yaml files.")
    parser.add_argument("--output-directory", type=str, default=None, help="Set the ComfyUI output directory.")
    parser.add_argument("--temp-directory", type=str, default=None,
                        help="Set the ComfyUI temp directory (default is in the ComfyUI directory).")
    parser.add_argument("--input-directory", type=str, default=None, help="Set the ComfyUI input directory.")
    parser.add_argument("--auto-launch", action="store_true",
                        help="Automatically launch ComfyUI in the default browser.")
    parser.add_argument("--disable-auto-launch", action="store_true", help="Disable auto launching the browser.")
    parser.add_argument("--cuda-device", type=int, default=None, metavar="DEVICE_ID",
                        help="Set the id of the cuda device this instance will use.")
    cm_group = parser.add_mutually_exclusive_group()
    cm_group.add_argument("--cuda-malloc", action="store_true",
                          help="Enable cudaMallocAsync (enabled by default for torch 2.0 and up).")
    cm_group.add_argument("--disable-cuda-malloc", action="store_true", help="Disable cudaMallocAsync.")

    fp_group = parser.add_mutually_exclusive_group()
    fp_group.add_argument("--force-fp32", action="store_true",
                          help="Force fp32 (If this makes your GPU work better please report it).")
    fp_group.add_argument("--force-fp16", action="store_true", help="Force fp16.")
    fp_group.add_argument("--force-bf16", action="store_true", help="Force bf16.")

    fpunet_group = parser.add_mutually_exclusive_group()
    fpunet_group.add_argument("--bf16-unet", action="store_true",
                              help="Run the UNET in bf16. This should only be used for testing stuff.")
    fpunet_group.add_argument("--fp16-unet", action="store_true", help="Store unet weights in fp16.")
    fpunet_group.add_argument("--fp8_e4m3fn-unet", action="store_true", help="Store unet weights in fp8_e4m3fn.")
    fpunet_group.add_argument("--fp8_e5m2-unet", action="store_true", help="Store unet weights in fp8_e5m2.")

    fpvae_group = parser.add_mutually_exclusive_group()
    fpvae_group.add_argument("--fp16-vae", action="store_true", help="Run the VAE in fp16, might cause black images.")
    fpvae_group.add_argument("--fp32-vae", action="store_true", help="Run the VAE in full precision fp32.")
    fpvae_group.add_argument("--bf16-vae", action="store_true", help="Run the VAE in bf16.")

    parser.add_argument("--cpu-vae", action="store_true", help="Run the VAE on the CPU.")

    fpte_group = parser.add_mutually_exclusive_group()
    fpte_group.add_argument("--fp8_e4m3fn-text-enc", action="store_true",
                            help="Store text encoder weights in fp8 (e4m3fn variant).")
    fpte_group.add_argument("--fp8_e5m2-text-enc", action="store_true",
                            help="Store text encoder weights in fp8 (e5m2 variant).")
    fpte_group.add_argument("--fp16-text-enc", action="store_true", help="Store text encoder weights in fp16.")
    fpte_group.add_argument("--fp32-text-enc", action="store_true", help="Store text encoder weights in fp32.")

    parser.add_argument("--directml", type=int, nargs="?", metavar="DIRECTML_DEVICE", const=-1,
                        help="Use torch-directml.")

    parser.add_argument("--disable-ipex-optimize", action="store_true",
                        help="Disables ipex.optimize when loading models with Intel GPUs.")

    parser.add_argument("--preview-method", type=LatentPreviewMethod, default=LatentPreviewMethod.Auto,
                        help="Default preview method for sampler nodes.", action=EnumAction)

    cache_group = parser.add_mutually_exclusive_group()
    cache_group.add_argument("--cache-lru", type=int, default=0, help="Use LRU caching with a maximum of N node results cached. May use more RAM/VRAM.")
    attn_group = parser.add_mutually_exclusive_group()
    attn_group.add_argument("--use-split-cross-attention", action="store_true",
                            help="Use the split cross attention optimization. Ignored when xformers is used.")
    attn_group.add_argument("--use-quad-cross-attention", action="store_true",
                            help="Use the sub-quadratic cross attention optimization . Ignored when xformers is used.")
    attn_group.add_argument("--use-pytorch-cross-attention", action="store_true",
                            help="Use the new pytorch 2.0 cross attention function.")

    parser.add_argument("--disable-xformers", action="store_true", help="Disable xformers.")

    upcast = parser.add_mutually_exclusive_group()
    upcast.add_argument("--force-upcast-attention", action="store_true", help="Force enable attention upcasting, please report if it fixes black images.")
    upcast.add_argument("--dont-upcast-attention", action="store_true", help="Disable all upcasting of attention. Should be unnecessary except for debugging.")
    vram_group = parser.add_mutually_exclusive_group()
    vram_group.add_argument("--gpu-only", action="store_true",
                            help="Store and run everything (text encoders/CLIP models, etc... on the GPU).")
    vram_group.add_argument("--highvram", action="store_true",
                            help="By default models will be unloaded to CPU memory after being used. This option keeps them in GPU memory.")
    vram_group.add_argument("--normalvram", action="store_true",
                            help="Used to force normal vram use if lowvram gets automatically enabled.")
    vram_group.add_argument("--lowvram", action="store_true", help="Split the unet in parts to use less vram.")
    vram_group.add_argument("--novram", action="store_true", help="When lowvram isn't enough.")
    vram_group.add_argument("--cpu", action="store_true", help="To use the CPU for everything (slow).")

    parser.add_argument("--default-hashing-function", type=str, choices=['md5', 'sha1', 'sha256', 'sha512'], default='sha256', help="Allows you to choose the hash function to use for duplicate filename / contents comparison. Default is sha256.")
    parser.add_argument("--disable-smart-memory", action="store_true",
                        help="Force ComfyUI to agressively offload to regular ram instead of keeping models in vram when it can.")
    parser.add_argument("--deterministic", action="store_true",
                        help="Make pytorch use slower deterministic algorithms when it can. Note that this might not make images deterministic in all cases.")

    parser.add_argument("--dont-print-server", action="store_true", help="Don't print server output.")
    parser.add_argument("--quick-test-for-ci", action="store_true", help="Quick test for CI. Raises an error if nodes cannot be imported,")
    parser.add_argument("--windows-standalone-build", default=hasattr(sys, 'frozen') and getattr(sys, 'frozen'),
                        action="store_true",
                        help="Windows standalone build: Enable convenient things that most people using the standalone windows build will probably enjoy (like auto opening the page on startup).")

    parser.add_argument("--disable-metadata", action="store_true", help="Disable saving prompt metadata in files.")
    parser.add_argument("--disable-all-custom-nodes", action="store_true", help="Disable loading all custom nodes.")

    parser.add_argument("--multi-user", action="store_true", help="Enables per-user storage.")
    parser.add_argument("--create-directories", action="store_true",
                        help="Creates the default models/, input/, output/ and temp/ directories, then exits.")

    parser.add_argument("--plausible-analytics-base-url", required=False,
                        help="Enables server-side analytics events sent to the provided URL.")
    parser.add_argument("--plausible-analytics-domain", required=False,
                        help="Specifies the domain name for analytics events.")
    parser.add_argument("--analytics-use-identity-provider", action="store_true",
                        help="Uses platform identifiers for unique visitor analytics.")
    parser.add_argument("--distributed-queue-connection-uri", type=str, default=None,
                        help="EXAMPLE: \"amqp://guest:guest@127.0.0.1\" - Servers and clients will connect to this AMPQ URL to form a distributed queue and exchange prompt execution requests and progress updates.")
    parser.add_argument(
        '--distributed-queue-worker',
        required=False,
        action="store_true",
        help='Workers will pull requests off the AMQP URL.'
    )
    parser.add_argument(
        '--distributed-queue-frontend',
        required=False,
        action="store_true",
        help='Frontends will start the web UI and connect to the provided AMQP URL to submit prompts.'
    )
    parser.add_argument("--distributed-queue-name", type=str, default="comfyui",
                        help="This name will be used by the frontends and workers to exchange prompt requests and replies. Progress updates will be prefixed by the queue name, followed by a '.', then the user ID")
    parser.add_argument("--external-address", required=False,
                        help="Specifies a base URL for external addresses reported by the API, such as for image paths.")
    parser.add_argument("--verbose", action="store_true", help="Enables more debug prints.")
    parser.add_argument("--disable-known-models", action="store_true", help="Disables automatic downloads of known models and prevents them from appearing in the UI.")
    parser.add_argument("--max-queue-size", type=int, default=65536, help="The API will reject prompt requests if the queue's size exceeds this value.")
    # tracing
    parser.add_argument("--otel-service-name", type=str, default="comfyui", env_var="OTEL_SERVICE_NAME", help="The name of the service or application that is generating telemetry data.")
    parser.add_argument("--otel-service-version", type=str, default=__version__, env_var="OTEL_SERVICE_VERSION", help="The version of the service or application that is generating telemetry data.")
    parser.add_argument("--otel-exporter-otlp-endpoint", type=str, default=None, env_var="OTEL_EXPORTER_OTLP_ENDPOINT", help="A base endpoint URL for any signal type, with an optionally-specified port number. Helpful for when you're sending more than one signal to the same endpoint and want one environment variable to control the endpoint.")
    parser.add_argument("--force-channels-last", action="store_true", help="Force channels last format when inferencing the models.")
    parser.add_argument("--force-hf-local-dir-mode", action="store_true", help="Download repos from huggingface.co to the models/huggingface directory with the \"local_dir\" argument instead of models/huggingface_cache with the \"cache_dir\" argument, recreating the traditional file structure.")

    parser.add_argument(
        "--front-end-version",
        type=str,
        default=DEFAULT_VERSION_STRING,
        help="""
        Specifies the version of the frontend to be used. This command needs internet connectivity to query and
        download available frontend implementations from GitHub releases.
    
        The version string should be in the format of:
        [repoOwner]/[repoName]@[version]
        where version is one of: "latest" or a valid version number (e.g. "1.0.0")
        """,
    )

    def is_valid_directory(path: Optional[str]) -> Optional[str]:
        """Validate if the given path is a directory."""
        if path is None:
            return None

        if not os.path.isdir(path):
            raise argparse.ArgumentTypeError(f"{path} is not a valid directory.")
        return path

    parser.add_argument(
        "--front-end-root",
        type=is_valid_directory,
        default=None,
        help="The local filesystem path to the directory where the frontend is located. Overrides --front-end-version.",
    )

    # now give plugins a chance to add configuration
    for entry_point in entry_points().select(group='comfyui.custom_config'):
        try:
            plugin_callable: ConfigurationExtender | ModuleType = entry_point.load()
            if isinstance(plugin_callable, ModuleType):
                # todo: find the configuration extender in the module
                raise ValueError("unexpected or unsupported plugin configuration type")
            else:
                parser_result = plugin_callable(parser)
                if parser_result is not None:
                    parser = parser_result
        except Exception as exc:
            logging.error("Failed to load custom config plugin", exc_info=exc)

    return parser


def _parse_args(parser: Optional[argparse.ArgumentParser] = None, args_parsing: bool = False) -> Configuration:
    if parser is None:
        parser = _create_parser()

    if args_parsing:
        args, _, config_files = parser.parse_known_args_with_config_files()
    else:
        args, _, config_files = parser.parse_known_args_with_config_files([])

    if args.windows_standalone_build:
        args.auto_launch = True

    if args.disable_auto_launch:
        args.auto_launch = False

    logging_level = logging.INFO
    if args.verbose:
        logging_level = logging.DEBUG

    logging.basicConfig(format="%(message)s", level=logging_level)
    configuration_obj = Configuration(**vars(args))
    configuration_obj.config_files = config_files
    assert all(isinstance(config_file, str) for config_file in config_files)
    # we always have to set up a watcher, even when there are no existing files
    if len(config_files) > 0:
        _setup_config_file_watcher(configuration_obj, parser, config_files)
    return configuration_obj


def _setup_config_file_watcher(config: Configuration, parser: EnhancedConfigArgParser, config_files: List[str]):
    def update_config():
        new_args, _, _ = parser.parse_known_args()
        new_config = vars(new_args)
        config.update(new_config)

    handler = ConfigChangeHandler(config_files, update_config)
    observer = Observer()

    for config_file in config_files:
        config_dir = os.path.dirname(config_file) or '.'
        observer.schedule(handler, path=config_dir, recursive=False)

    observer.start()

    # Ensure the observer is stopped when the program exits
    import atexit
    atexit.register(observer.stop)
    atexit.register(observer.join)


def default_configuration() -> Configuration:
    return _parse_args(_create_parser())


args = _parse_args(args_parsing=options.args_parsing)