mmcv/runner/utils.py
def obj_from_dict(info, parent=None, default_args=None):
    """Initialize an object from dict.

    The dict must contain the key "type", which indicates the object type, it
    can be either a string or type, such as "list" or ``list``. Remaining
    fields are treated as the arguments for constructing the object.

    Args:
        info (dict): Object types and arguments.
        parent (:class:`module`): Module which may containing expected object
            classes.
        default_args (dict, optional): Default arguments for initializing the
            object.

    Returns:
        any type: Object built from the dict.
    """
    assert isinstance(info, dict) and 'type' in info
    assert isinstance(default_args, dict) or default_args is None
    args = info.copy()
    obj_type = args.pop('type')
    if mmcv.is_str(obj_type):
        if parent is not None:
            obj_type = getattr(parent, obj_type)
        else:
            obj_type = sys.modules[obj_type]
    elif not isinstance(obj_type, type):
        raise TypeError('type must be a str or valid type, but got {}'.format(
            type(obj_type)))
    if default_args is not None:
        for name, value in default_args.items():
            args.setdefault(name, value)
    return obj_type(**args)
def obj_from_dict(info, parent=None, default_args=None):
    assert isinstance(info, dict) and 'type' in info
    assert isinstance(default_args, dict) or default_args is None
    args = info.copy()
    obj_type = args.pop('type')
    if mmcv.is_str(obj_type):
        if parent is not None:
            obj_type = getattr(parent, obj_type)
        else:
            obj_type = sys.modules[obj_type]
    elif not isinstance(obj_type, type):
        raise TypeError('type must be a str or valid type, but got {}'.format(
            type(obj_type)))
    if default_args is not None:
        for name, value in default_args.items():
            args.setdefault(name, value)
    return obj_type(**args)
def obj_from_dict ( info , parent = None , default_args = None ) : assert isinstance ( info , dict ) and 'type' in info assert isinstance ( default_args , dict ) or default_args is None args = info . copy ( ) obj_type = args . pop ( 'type' ) if mmcv . is_str ( obj_type ) : if parent is not None : obj_type = getattr ( parent , obj_type ) else : obj_type = sys . modules [ obj_type ] elif not isinstance ( obj_type , type ) : raise TypeError ( 'type must be a str or valid type, but got {}' . format ( type ( obj_type ) ) ) if default_args is not None : for name , value in default_args . items ( ) : args . setdefault ( name , value ) return obj_type ( * * args )
Initialize an object from dict.

    The dict must contain the key "type", which indicates the object type, it
    can be either a string or type, such as "list" or ``list``. Remaining
    fields are treated as the arguments for constructing the object.

    Args:
        info (dict): Object types and arguments.
        parent (:class:`module`): Module which may containing expected object
            classes.
        default_args (dict, optional): Default arguments for initializing the
            object.

    Returns:
        any type: Object built from the dict.
Initialize an object from dict .