| import imgaug | |
| import imgaug.augmenters as iaa | |
| from concern.config import Configurable, State | |
| class AugmenterBuilder(object): | |
| def __init__(self): | |
| pass | |
| def build(self, args, root=True): | |
| if args is None: | |
| return None | |
| elif isinstance(args, (int, float, str)): | |
| return args | |
| elif isinstance(args, list): | |
| if root: | |
| sequence = [self.build(value, root=False) for value in args] | |
| return iaa.Sequential(sequence) | |
| else: | |
| return getattr(iaa, args[0])( | |
| *[self.to_tuple_if_list(a) for a in args[1:]]) | |
| elif isinstance(args, dict): | |
| if 'cls' in args: | |
| cls = getattr(iaa, args['cls']) | |
| return cls(**{k: self.to_tuple_if_list(v) for k, v in args.items() if not k == 'cls'}) | |
| else: | |
| return {key: self.build(value, root=False) for key, value in args.items()} | |
| else: | |
| raise RuntimeError('unknown augmenter arg: ' + str(args)) | |
| def to_tuple_if_list(self, obj): | |
| if isinstance(obj, list): | |
| return tuple(obj) | |
| return obj | |