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Referencia para ultralytics/cfg/__init__.py

Nota

Este archivo est谩 disponible en https://github.com/ultralytics/ ultralytics/blob/main/ ultralytics/cfg/init.py. Si detectas alg煤n problema, por favor, ayuda a solucionarlo contribuyendo con una Pull Request 馃洜锔. 隆Gracias 馃檹!



ultralytics.cfg.cfg2dict(cfg)

Convierte un objeto de configuraci贸n en un diccionario, ya sea una ruta de archivo, una cadena o un objeto SimpleNamespace.

Par谩metros:

Nombre Tipo Descripci贸n Por defecto
cfg str | Path | dict | SimpleNamespace

Objeto de configuraci贸n que se convertir谩 en diccionario.

necesario

Devuelve:

Nombre Tipo Descripci贸n
cfg dict

Objeto de configuraci贸n en formato diccionario.

C贸digo fuente en ultralytics/cfg/__init__.py
def cfg2dict(cfg):
    """
    Convert a configuration object to a dictionary, whether it is a file path, a string, or a SimpleNamespace object.

    Args:
        cfg (str | Path | dict | SimpleNamespace): Configuration object to be converted to a dictionary.

    Returns:
        cfg (dict): Configuration object in dictionary format.
    """
    if isinstance(cfg, (str, Path)):
        cfg = yaml_load(cfg)  # load dict
    elif isinstance(cfg, SimpleNamespace):
        cfg = vars(cfg)  # convert to dict
    return cfg



ultralytics.cfg.get_cfg(cfg=DEFAULT_CFG_DICT, overrides=None)

Carga y combina datos de configuraci贸n de un archivo o diccionario.

Par谩metros:

Nombre Tipo Descripci贸n Por defecto
cfg str | Path | Dict | SimpleNamespace

Datos de configuraci贸n.

DEFAULT_CFG_DICT
overrides str | Dict | optional

Anula en forma de nombre de archivo o diccionario. Por defecto es Ninguno.

None

Devuelve:

Tipo Descripci贸n
SimpleNamespace

Espacio de nombres de los argumentos de entrenamiento.

C贸digo fuente en ultralytics/cfg/__init__.py
def get_cfg(cfg: Union[str, Path, Dict, SimpleNamespace] = DEFAULT_CFG_DICT, overrides: Dict = None):
    """
    Load and merge configuration data from a file or dictionary.

    Args:
        cfg (str | Path | Dict | SimpleNamespace): Configuration data.
        overrides (str | Dict | optional): Overrides in the form of a file name or a dictionary. Default is None.

    Returns:
        (SimpleNamespace): Training arguments namespace.
    """
    cfg = cfg2dict(cfg)

    # Merge overrides
    if overrides:
        overrides = cfg2dict(overrides)
        if "save_dir" not in cfg:
            overrides.pop("save_dir", None)  # special override keys to ignore
        check_dict_alignment(cfg, overrides)
        cfg = {**cfg, **overrides}  # merge cfg and overrides dicts (prefer overrides)

    # Special handling for numeric project/name
    for k in "project", "name":
        if k in cfg and isinstance(cfg[k], (int, float)):
            cfg[k] = str(cfg[k])
    if cfg.get("name") == "model":  # assign model to 'name' arg
        cfg["name"] = cfg.get("model", "").split(".")[0]
        LOGGER.warning(f"WARNING 鈿狅笍 'name=model' automatically updated to 'name={cfg['name']}'.")

    # Type and Value checks
    check_cfg(cfg)

    # Return instance
    return IterableSimpleNamespace(**cfg)



ultralytics.cfg.check_cfg(cfg, hard=True)

Comprueba los tipos y valores de los argumentos de configuraci贸n de Ultralytics .

C贸digo fuente en ultralytics/cfg/__init__.py
def check_cfg(cfg, hard=True):
    """Check Ultralytics configuration argument types and values."""
    for k, v in cfg.items():
        if v is not None:  # None values may be from optional args
            if k in CFG_FLOAT_KEYS and not isinstance(v, (int, float)):
                if hard:
                    raise TypeError(
                        f"'{k}={v}' is of invalid type {type(v).__name__}. "
                        f"Valid '{k}' types are int (i.e. '{k}=0') or float (i.e. '{k}=0.5')"
                    )
                cfg[k] = float(v)
            elif k in CFG_FRACTION_KEYS:
                if not isinstance(v, (int, float)):
                    if hard:
                        raise TypeError(
                            f"'{k}={v}' is of invalid type {type(v).__name__}. "
                            f"Valid '{k}' types are int (i.e. '{k}=0') or float (i.e. '{k}=0.5')"
                        )
                    cfg[k] = v = float(v)
                if not (0.0 <= v <= 1.0):
                    raise ValueError(f"'{k}={v}' is an invalid value. " f"Valid '{k}' values are between 0.0 and 1.0.")
            elif k in CFG_INT_KEYS and not isinstance(v, int):
                if hard:
                    raise TypeError(
                        f"'{k}={v}' is of invalid type {type(v).__name__}. " f"'{k}' must be an int (i.e. '{k}=8')"
                    )
                cfg[k] = int(v)
            elif k in CFG_BOOL_KEYS and not isinstance(v, bool):
                if hard:
                    raise TypeError(
                        f"'{k}={v}' is of invalid type {type(v).__name__}. "
                        f"'{k}' must be a bool (i.e. '{k}=True' or '{k}=False')"
                    )
                cfg[k] = bool(v)



ultralytics.cfg.get_save_dir(args, name=None)

Devuelve save_dir creado a partir de los argumentos train/val/predict.

C贸digo fuente en ultralytics/cfg/__init__.py
def get_save_dir(args, name=None):
    """Return save_dir as created from train/val/predict arguments."""

    if getattr(args, "save_dir", None):
        save_dir = args.save_dir
    else:
        from ultralytics.utils.files import increment_path

        project = args.project or (ROOT.parent / "tests/tmp/runs" if TESTS_RUNNING else RUNS_DIR) / args.task
        name = name or args.name or f"{args.mode}"
        save_dir = increment_path(Path(project) / name, exist_ok=args.exist_ok if RANK in {-1, 0} else True)

    return Path(save_dir)



ultralytics.cfg._handle_deprecation(custom)

Funci贸n codificada para manejar claves de configuraci贸n obsoletas.

C贸digo fuente en ultralytics/cfg/__init__.py
def _handle_deprecation(custom):
    """Hardcoded function to handle deprecated config keys."""

    for key in custom.copy().keys():
        if key == "boxes":
            deprecation_warn(key, "show_boxes")
            custom["show_boxes"] = custom.pop("boxes")
        if key == "hide_labels":
            deprecation_warn(key, "show_labels")
            custom["show_labels"] = custom.pop("hide_labels") == "False"
        if key == "hide_conf":
            deprecation_warn(key, "show_conf")
            custom["show_conf"] = custom.pop("hide_conf") == "False"
        if key == "line_thickness":
            deprecation_warn(key, "line_width")
            custom["line_width"] = custom.pop("line_thickness")

    return custom



ultralytics.cfg.check_dict_alignment(base, custom, e=None)

Esta funci贸n comprueba si hay claves no coincidentes entre una lista de configuraci贸n personalizada y una lista de configuraci贸n base. Si en se encuentra alguna clave que no coincide, la funci贸n imprime las claves similares de la lista base y sale del programa.

Par谩metros:

Nombre Tipo Descripci贸n Por defecto
custom dict

un diccionario de opciones de configuraci贸n personalizadas

necesario
base dict

un diccionario de opciones de configuraci贸n base

necesario
e Error

Un error opcional que pasa la funci贸n que llama.

None
C贸digo fuente en ultralytics/cfg/__init__.py
def check_dict_alignment(base: Dict, custom: Dict, e=None):
    """
    This function checks for any mismatched keys between a custom configuration list and a base configuration list. If
    any mismatched keys are found, the function prints out similar keys from the base list and exits the program.

    Args:
        custom (dict): a dictionary of custom configuration options
        base (dict): a dictionary of base configuration options
        e (Error, optional): An optional error that is passed by the calling function.
    """
    custom = _handle_deprecation(custom)
    base_keys, custom_keys = (set(x.keys()) for x in (base, custom))
    mismatched = [k for k in custom_keys if k not in base_keys]
    if mismatched:
        from difflib import get_close_matches

        string = ""
        for x in mismatched:
            matches = get_close_matches(x, base_keys)  # key list
            matches = [f"{k}={base[k]}" if base.get(k) is not None else k for k in matches]
            match_str = f"Similar arguments are i.e. {matches}." if matches else ""
            string += f"'{colorstr('red', 'bold', x)}' is not a valid YOLO argument. {match_str}\n"
        raise SyntaxError(string + CLI_HELP_MSG) from e



ultralytics.cfg.merge_equals_args(args)

Fusiona argumentos alrededor de argumentos aislados '=' en una lista de cadenas. La funci贸n considera los casos en los que el primer termina en "=" o el segundo empieza en "=", as铆 como cuando el del medio es un signo igual.

Par谩metros:

Nombre Tipo Descripci贸n Por defecto
args List[str]

Una lista de cadenas donde cada elemento es un argumento.

necesario

Devuelve:

Tipo Descripci贸n
List[str]

Una lista de cadenas donde se fusionan los argumentos alrededor de '=' aislado.

C贸digo fuente en ultralytics/cfg/__init__.py
def merge_equals_args(args: List[str]) -> List[str]:
    """
    Merges arguments around isolated '=' args in a list of strings. The function considers cases where the first
    argument ends with '=' or the second starts with '=', as well as when the middle one is an equals sign.

    Args:
        args (List[str]): A list of strings where each element is an argument.

    Returns:
        (List[str]): A list of strings where the arguments around isolated '=' are merged.
    """
    new_args = []
    for i, arg in enumerate(args):
        if arg == "=" and 0 < i < len(args) - 1:  # merge ['arg', '=', 'val']
            new_args[-1] += f"={args[i + 1]}"
            del args[i + 1]
        elif arg.endswith("=") and i < len(args) - 1 and "=" not in args[i + 1]:  # merge ['arg=', 'val']
            new_args.append(f"{arg}{args[i + 1]}")
            del args[i + 1]
        elif arg.startswith("=") and i > 0:  # merge ['arg', '=val']
            new_args[-1] += arg
        else:
            new_args.append(arg)
    return new_args



ultralytics.cfg.handle_yolo_hub(args)

Maneja los comandos de la interfaz de l铆nea de comandos Ultralytics HUB (CLI).

Esta funci贸n procesa Ultralytics HUB CLI comandos tales como login y logout. Debe llamarse cuando se ejecuta un script con argumentos relacionados con la autenticaci贸n del HUB.

Par谩metros:

Nombre Tipo Descripci贸n Por defecto
args List[str]

Una lista de argumentos de la l铆nea de comandos

necesario
Ejemplo
python my_script.py hub login your_api_key
C贸digo fuente en ultralytics/cfg/__init__.py
def handle_yolo_hub(args: List[str]) -> None:
    """
    Handle Ultralytics HUB command-line interface (CLI) commands.

    This function processes Ultralytics HUB CLI commands such as login and logout.
    It should be called when executing a script with arguments related to HUB authentication.

    Args:
        args (List[str]): A list of command line arguments

    Example:
        ```bash
        python my_script.py hub login your_api_key
        ```
    """
    from ultralytics import hub

    if args[0] == "login":
        key = args[1] if len(args) > 1 else ""
        # Log in to Ultralytics HUB using the provided API key
        hub.login(key)
    elif args[0] == "logout":
        # Log out from Ultralytics HUB
        hub.logout()



ultralytics.cfg.handle_yolo_settings(args)

Maneja los comandos de la interfaz de l铆nea de comandos de la configuraci贸n de YOLO (CLI).

Esta funci贸n procesa YOLO ajustes CLI comandos como reiniciar. Debe llamarse cuando se ejecuta un script con argumentos relacionados con la gesti贸n de ajustes YOLO .

Par谩metros:

Nombre Tipo Descripci贸n Por defecto
args List[str]

Una lista de argumentos de la l铆nea de comandos para la gesti贸n de la configuraci贸n de YOLO .

necesario
Ejemplo
python my_script.py yolo settings reset
C贸digo fuente en ultralytics/cfg/__init__.py
def handle_yolo_settings(args: List[str]) -> None:
    """
    Handle YOLO settings command-line interface (CLI) commands.

    This function processes YOLO settings CLI commands such as reset.
    It should be called when executing a script with arguments related to YOLO settings management.

    Args:
        args (List[str]): A list of command line arguments for YOLO settings management.

    Example:
        ```bash
        python my_script.py yolo settings reset
        ```
    """
    url = "https://docs.ultralytics.com/quickstart/#ultralytics-settings"  # help URL
    try:
        if any(args):
            if args[0] == "reset":
                SETTINGS_YAML.unlink()  # delete the settings file
                SETTINGS.reset()  # create new settings
                LOGGER.info("Settings reset successfully")  # inform the user that settings have been reset
            else:  # save a new setting
                new = dict(parse_key_value_pair(a) for a in args)
                check_dict_alignment(SETTINGS, new)
                SETTINGS.update(new)

        LOGGER.info(f"馃挕 Learn about settings at {url}")
        yaml_print(SETTINGS_YAML)  # print the current settings
    except Exception as e:
        LOGGER.warning(f"WARNING 鈿狅笍 settings error: '{e}'. Please see {url} for help.")



ultralytics.cfg.handle_explorer()

Abre la GUI del Explorador Ultralytics .

C贸digo fuente en ultralytics/cfg/__init__.py
def handle_explorer():
    """Open the Ultralytics Explorer GUI."""
    checks.check_requirements("streamlit")
    LOGGER.info("馃挕 Loading Explorer dashboard...")
    subprocess.run(["streamlit", "run", ROOT / "data/explorer/gui/dash.py", "--server.maxMessageSize", "2048"])



ultralytics.cfg.parse_key_value_pair(pair)

Analiza un par 'clave=valor' y devuelve la clave y el valor.

C贸digo fuente en ultralytics/cfg/__init__.py
def parse_key_value_pair(pair):
    """Parse one 'key=value' pair and return key and value."""
    k, v = pair.split("=", 1)  # split on first '=' sign
    k, v = k.strip(), v.strip()  # remove spaces
    assert v, f"missing '{k}' value"
    return k, smart_value(v)



ultralytics.cfg.smart_value(v)

Convierte una cadena a un tipo subyacente como int, float, bool, etc.

C贸digo fuente en ultralytics/cfg/__init__.py
def smart_value(v):
    """Convert a string to an underlying type such as int, float, bool, etc."""
    v_lower = v.lower()
    if v_lower == "none":
        return None
    elif v_lower == "true":
        return True
    elif v_lower == "false":
        return False
    else:
        with contextlib.suppress(Exception):
            return eval(v)
        return v



ultralytics.cfg.entrypoint(debug='')

Esta funci贸n es el punto de entrada del paquete ultralytics , es responsable de analizar los argumentos de la l铆nea de comandos pasados al paquete.

Esta funci贸n permite - pasar args obligatorios YOLO como una lista de cadenas - especificar la tarea a realizar, ya sea "detectar", "segmentar" o "clasificar - especificar el modo, ya sea "entrenar", "val", "probar" o "predecir - ejecutar modos especiales como "comprobar - pasar anulaciones a la configuraci贸n del paquete

Utiliza el cfg por defecto del paquete y lo inicializa utilizando las anulaciones pasadas. A continuaci贸n, llama a la funci贸n CLI con el cfg compuesto

C贸digo fuente en ultralytics/cfg/__init__.py
def entrypoint(debug=""):
    """
    This function is the ultralytics package entrypoint, it's responsible for parsing the command line arguments passed
    to the package.

    This function allows for:
    - passing mandatory YOLO args as a list of strings
    - specifying the task to be performed, either 'detect', 'segment' or 'classify'
    - specifying the mode, either 'train', 'val', 'test', or 'predict'
    - running special modes like 'checks'
    - passing overrides to the package's configuration

    It uses the package's default cfg and initializes it using the passed overrides.
    Then it calls the CLI function with the composed cfg
    """
    args = (debug.split(" ") if debug else ARGV)[1:]
    if not args:  # no arguments passed
        LOGGER.info(CLI_HELP_MSG)
        return

    special = {
        "help": lambda: LOGGER.info(CLI_HELP_MSG),
        "checks": checks.collect_system_info,
        "version": lambda: LOGGER.info(__version__),
        "settings": lambda: handle_yolo_settings(args[1:]),
        "cfg": lambda: yaml_print(DEFAULT_CFG_PATH),
        "hub": lambda: handle_yolo_hub(args[1:]),
        "login": lambda: handle_yolo_hub(args),
        "copy-cfg": copy_default_cfg,
        "explorer": lambda: handle_explorer(),
    }
    full_args_dict = {**DEFAULT_CFG_DICT, **{k: None for k in TASKS}, **{k: None for k in MODES}, **special}

    # Define common misuses of special commands, i.e. -h, -help, --help
    special.update({k[0]: v for k, v in special.items()})  # singular
    special.update({k[:-1]: v for k, v in special.items() if len(k) > 1 and k.endswith("s")})  # singular
    special = {**special, **{f"-{k}": v for k, v in special.items()}, **{f"--{k}": v for k, v in special.items()}}

    overrides = {}  # basic overrides, i.e. imgsz=320
    for a in merge_equals_args(args):  # merge spaces around '=' sign
        if a.startswith("--"):
            LOGGER.warning(f"WARNING 鈿狅笍 argument '{a}' does not require leading dashes '--', updating to '{a[2:]}'.")
            a = a[2:]
        if a.endswith(","):
            LOGGER.warning(f"WARNING 鈿狅笍 argument '{a}' does not require trailing comma ',', updating to '{a[:-1]}'.")
            a = a[:-1]
        if "=" in a:
            try:
                k, v = parse_key_value_pair(a)
                if k == "cfg" and v is not None:  # custom.yaml passed
                    LOGGER.info(f"Overriding {DEFAULT_CFG_PATH} with {v}")
                    overrides = {k: val for k, val in yaml_load(checks.check_yaml(v)).items() if k != "cfg"}
                else:
                    overrides[k] = v
            except (NameError, SyntaxError, ValueError, AssertionError) as e:
                check_dict_alignment(full_args_dict, {a: ""}, e)

        elif a in TASKS:
            overrides["task"] = a
        elif a in MODES:
            overrides["mode"] = a
        elif a.lower() in special:
            special[a.lower()]()
            return
        elif a in DEFAULT_CFG_DICT and isinstance(DEFAULT_CFG_DICT[a], bool):
            overrides[a] = True  # auto-True for default bool args, i.e. 'yolo show' sets show=True
        elif a in DEFAULT_CFG_DICT:
            raise SyntaxError(
                f"'{colorstr('red', 'bold', a)}' is a valid YOLO argument but is missing an '=' sign "
                f"to set its value, i.e. try '{a}={DEFAULT_CFG_DICT[a]}'\n{CLI_HELP_MSG}"
            )
        else:
            check_dict_alignment(full_args_dict, {a: ""})

    # Check keys
    check_dict_alignment(full_args_dict, overrides)

    # Mode
    mode = overrides.get("mode")
    if mode is None:
        mode = DEFAULT_CFG.mode or "predict"
        LOGGER.warning(f"WARNING 鈿狅笍 'mode' argument is missing. Valid modes are {MODES}. Using default 'mode={mode}'.")
    elif mode not in MODES:
        raise ValueError(f"Invalid 'mode={mode}'. Valid modes are {MODES}.\n{CLI_HELP_MSG}")

    # Task
    task = overrides.pop("task", None)
    if task:
        if task not in TASKS:
            raise ValueError(f"Invalid 'task={task}'. Valid tasks are {TASKS}.\n{CLI_HELP_MSG}")
        if "model" not in overrides:
            overrides["model"] = TASK2MODEL[task]

    # Model
    model = overrides.pop("model", DEFAULT_CFG.model)
    if model is None:
        model = "yolov8n.pt"
        LOGGER.warning(f"WARNING 鈿狅笍 'model' argument is missing. Using default 'model={model}'.")
    overrides["model"] = model
    stem = Path(model).stem.lower()
    if "rtdetr" in stem:  # guess architecture
        from ultralytics import RTDETR

        model = RTDETR(model)  # no task argument
    elif "fastsam" in stem:
        from ultralytics import FastSAM

        model = FastSAM(model)
    elif "sam" in stem:
        from ultralytics import SAM

        model = SAM(model)
    else:
        from ultralytics import YOLO

        model = YOLO(model, task=task)
    if isinstance(overrides.get("pretrained"), str):
        model.load(overrides["pretrained"])

    # Task Update
    if task != model.task:
        if task:
            LOGGER.warning(
                f"WARNING 鈿狅笍 conflicting 'task={task}' passed with 'task={model.task}' model. "
                f"Ignoring 'task={task}' and updating to 'task={model.task}' to match model."
            )
        task = model.task

    # Mode
    if mode in {"predict", "track"} and "source" not in overrides:
        overrides["source"] = DEFAULT_CFG.source or ASSETS
        LOGGER.warning(f"WARNING 鈿狅笍 'source' argument is missing. Using default 'source={overrides['source']}'.")
    elif mode in {"train", "val"}:
        if "data" not in overrides and "resume" not in overrides:
            overrides["data"] = DEFAULT_CFG.data or TASK2DATA.get(task or DEFAULT_CFG.task, DEFAULT_CFG.data)
            LOGGER.warning(f"WARNING 鈿狅笍 'data' argument is missing. Using default 'data={overrides['data']}'.")
    elif mode == "export":
        if "format" not in overrides:
            overrides["format"] = DEFAULT_CFG.format or "torchscript"
            LOGGER.warning(f"WARNING 鈿狅笍 'format' argument is missing. Using default 'format={overrides['format']}'.")

    # Run command in python
    getattr(model, mode)(**overrides)  # default args from model

    # Show help
    LOGGER.info(f"馃挕 Learn more at https://docs.ultralytics.com/modes/{mode}")



ultralytics.cfg.copy_default_cfg()

Copia y crea un nuevo archivo de configuraci贸n por defecto con "_copia" a帽adido a su nombre.

C贸digo fuente en ultralytics/cfg/__init__.py
def copy_default_cfg():
    """Copy and create a new default configuration file with '_copy' appended to its name."""
    new_file = Path.cwd() / DEFAULT_CFG_PATH.name.replace(".yaml", "_copy.yaml")
    shutil.copy2(DEFAULT_CFG_PATH, new_file)
    LOGGER.info(
        f"{DEFAULT_CFG_PATH} copied to {new_file}\n"
        f"Example YOLO command with this new custom cfg:\n    yolo cfg='{new_file}' imgsz=320 batch=8"
    )





Creado 2023-11-12, Actualizado 2024-03-22
Autores: glenn-jocher (4), AyushExel (1), Laughing-q (1)