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Référence pour ultralytics/cfg/__init__.py

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Ce fichier est disponible à l'adresse https://github.com/ultralytics/ ultralytics/blob/main/ ultralytics/cfg/init.py. Si tu repères un problème, aide à le corriger en contribuant à une Pull Request 🛠️. Merci 🙏 !



ultralytics.cfg.cfg2dict(cfg)

Convertit un objet de configuration en dictionnaire, qu'il s'agisse d'un chemin de fichier, d'une chaîne de caractères ou d'un objet SimpleNamespace.

Paramètres :

Nom Type Description DĂ©faut
cfg str | Path | dict | SimpleNamespace

Objet de configuration Ă  convertir en dictionnaire.

requis

Retourne :

Nom Type Description
cfg dict

Objet de configuration au format dictionnaire.

Code source dans 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)

Charge et fusionne les données de configuration à partir d'un fichier ou d'un dictionnaire.

Paramètres :

Nom Type Description DĂ©faut
cfg str | Path | Dict | SimpleNamespace

Données de configuration.

DEFAULT_CFG_DICT
overrides str | Dict | optional

Remplace sous la forme d'un nom de fichier ou d'un dictionnaire. La valeur par défaut est Aucun.

None

Retourne :

Type Description
SimpleNamespace

Espace de noms des arguments de formation.

Code source dans 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 ⚠️ '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)

VĂ©rifie les types et les valeurs des arguments de la configuration de Ultralytics .

Code source dans 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)

Retourne save_dir tel qu'il a été créé à partir des arguments train/val/predict.

Code source dans 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)

Fonction codée en dur pour gérer les clés de configuration obsolètes.

Code source dans 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)

Cette fonction vérifie s'il existe des clés non concordantes entre une liste de configuration personnalisée et une liste de configuration de base. Si des clés non concordantes sont trouvées, la fonction imprime les clés similaires de la liste de base et quitte le programme.

Paramètres :

Nom Type Description DĂ©faut
custom dict

un dictionnaire d'options de configuration personnalisées

requis
base dict

un dictionnaire des options de configuration de base

requis
e Error

Une erreur facultative qui est transmise par la fonction appelante.

None
Code source dans 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)

Fusionne les arguments autour des arguments '=' isolés dans une liste de chaînes de caractères. La fonction prend en compte les cas où le premier se termine par '=' ou que le second commence par '=', ainsi que lorsque l'argument du milieu est un signe égal.

Paramètres :

Nom Type Description DĂ©faut
args List[str]

Une liste de chaînes dont chaque élément est un argument.

requis

Retourne :

Type Description
List[str]

Une liste de chaînes de caractères où les arguments autour de '=' isolés sont fusionnés.

Code source dans 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)

Traite les commandes de l'interface de ligne de commande Ultralytics HUB (CLI).

Cette fonction traite les commandes Ultralytics HUB CLI telles que la connexion et la déconnexion. Elle doit être appelée lors de l'exécution d'un script avec des arguments liés à l'authentification HUB.

Paramètres :

Nom Type Description DĂ©faut
args List[str]

Une liste d'arguments de ligne de commande

requis
Exemple
python my_script.py hub login your_api_key
Code source dans 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)

Traite les commandes de l'interface de ligne de commande des paramètres YOLO (CLI).

Cette fonction traite les paramètres YOLO CLI commandes telles que la réinitialisation. Elle doit être appelée lors de l'exécution d'un script contenant des arguments liés à la gestion des paramètres YOLO .

Paramètres :

Nom Type Description DĂ©faut
args List[str]

Une liste d'arguments de ligne de commande pour la gestion des paramètres de YOLO .

requis
Exemple
python my_script.py yolo settings reset
Code source dans 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"đź’ˇ Learn about settings at {url}")
        yaml_print(SETTINGS_YAML)  # print the current settings
    except Exception as e:
        LOGGER.warning(f"WARNING ⚠️ settings error: '{e}'. Please see {url} for help.")



ultralytics.cfg.handle_explorer()

Ouvre l'interface graphique de l'explorateur Ultralytics .

Code source dans ultralytics/cfg/__init__.py
def handle_explorer():
    """Open the Ultralytics Explorer GUI."""
    checks.check_requirements("streamlit")
    LOGGER.info("đź’ˇ Loading Explorer dashboard...")
    subprocess.run(["streamlit", "run", ROOT / "data/explorer/gui/dash.py", "--server.maxMessageSize", "2048"])



ultralytics.cfg.parse_key_value_pair(pair)

Analyse une paire 'clé=valeur' et renvoie la clé et la valeur.

Code source dans 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)

Convertit une chaîne de caractères en un type sous-jacent tel que int, float, bool, etc.

Code source dans 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='')

Cette fonction est le point d'entrée du paquetage ultralytics , elle est responsable de l'analyse des arguments de la ligne de commande transmis au paquetage. au paquet.

Cette fonction permet de : - de passer des arguments obligatoires YOLO sous la forme d'une liste de chaînes de caractères - spécifier la tâche à effectuer, soit "détecter", "segmenter" ou "classer - spécifier le mode, soit 'train', 'val', 'test', ou 'predict' - l'exécution de modes spéciaux tels que "checks" (vérifications) - passer des dérogations à la configuration du paquetage

Il utilise le cfg par défaut du paquet et l'initialise en utilisant les surcharges passées. Elle appelle ensuite la fonction CLI avec le cfg composé.

Code source dans 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 ⚠️ argument '{a}' does not require leading dashes '--', updating to '{a[2:]}'.")
            a = a[2:]
        if a.endswith(","):
            LOGGER.warning(f"WARNING ⚠️ 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 ⚠️ '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 ⚠️ '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 ⚠️ 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 ⚠️ '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 ⚠️ '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 ⚠️ '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"đź’ˇ Learn more at https://docs.ultralytics.com/modes/{mode}")



ultralytics.cfg.copy_default_cfg()

Copie et crée un nouveau fichier de configuration par défaut avec '_copy' ajouté à son nom.

Code source dans 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"
    )





Created 2023-11-12, Updated 2024-06-02
Authors: glenn-jocher (6), Burhan-Q (1), AyushExel (1), Laughing-q (1)