Function load_object

scrapy/utils/misc.py:58–90

Load an object given its absolute object path, and return it. The object can be the import path of a class, function, variable or an instance, e.g. 'scrapy.downloadermiddlewares.redirect.RedirectMiddleware'. If ``path`` is not a string, but is a callable object, such as a class or

(path: str | Callable[..., Any])

def load_object(path: str | Callable[..., Any]) -> Any:
    """Load an object given its absolute object path, and return it.

    The object can be the import path of a class, function, variable or an
    instance, e.g. 'scrapy.downloadermiddlewares.redirect.RedirectMiddleware'.

    If ``path`` is not a string, but is a callable object, such as a class or
    a function, then return it as is.
    """

    if not isinstance(path, str):
        if callable(path):
            return path
        raise TypeError(
            f"Unexpected argument type, expected string or object, got: {type(path)}"
        )

    try:
        dot = path.rindex(".")
    except ValueError:
        raise ValueError(f"Error loading object '{path}': not a full path") from None

    module, name = path[:dot], path[dot + 1 :]
    mod = import_module(module)

    try:
        obj = getattr(mod, name)
    except AttributeError:
        raise NameError(
            f"Module '{module}' doesn't define any object named '{name}'"
        ) from None

    return obj


def walk_modules_iter(path: str) -> Iterable[ModuleType]: