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| # Modified from: https://github.com/facebookresearch/fvcore/blob/master/fvcore/common/registry.py # noqa: E501 | |
| class Registry(): | |
| """ | |
| The registry that provides name -> object mapping, to support third-party | |
| users' custom modules. | |
| To create a registry (e.g. a backbone registry): | |
| .. code-block:: python | |
| BACKBONE_REGISTRY = Registry('BACKBONE') | |
| To register an object: | |
| .. code-block:: python | |
| @BACKBONE_REGISTRY.register() | |
| class MyBackbone(): | |
| ... | |
| Or: | |
| .. code-block:: python | |
| BACKBONE_REGISTRY.register(MyBackbone) | |
| """ | |
| def __init__(self, name): | |
| """ | |
| Args: | |
| name (str): the name of this registry | |
| """ | |
| self._name = name | |
| self._obj_map = {} | |
| def _do_register(self, name, obj, suffix=None): | |
| if isinstance(suffix, str): | |
| name = name + '_' + suffix | |
| assert (name not in self._obj_map), (f"An object named '{name}' was already registered " | |
| f"in '{self._name}' registry!") | |
| self._obj_map[name] = obj | |
| def register(self, obj=None, suffix=None): | |
| """ | |
| Register the given object under the the name `obj.__name__`. | |
| Can be used as either a decorator or not. | |
| See docstring of this class for usage. | |
| """ | |
| if obj is None: | |
| # used as a decorator | |
| def deco(func_or_class): | |
| name = func_or_class.__name__ | |
| self._do_register(name, func_or_class, suffix) | |
| return func_or_class | |
| return deco | |
| # used as a function call | |
| name = obj.__name__ | |
| self._do_register(name, obj, suffix) | |
| def get(self, name, suffix='basicsr'): | |
| ret = self._obj_map.get(name) | |
| if ret is None: | |
| ret = self._obj_map.get(name + '_' + suffix) | |
| print(f'Name {name} is not found, use name: {name}_{suffix}!') | |
| if ret is None: | |
| raise KeyError(f"No object named '{name}' found in '{self._name}' registry!") | |
| return ret | |
| def __contains__(self, name): | |
| return name in self._obj_map | |
| def __iter__(self): | |
| return iter(self._obj_map.items()) | |
| def keys(self): | |
| return self._obj_map.keys() | |
| DATASET_REGISTRY = Registry('dataset') | |
| ARCH_REGISTRY = Registry('arch') | |
| MODEL_REGISTRY = Registry('model') | |
| LOSS_REGISTRY = Registry('loss') | |
| METRIC_REGISTRY = Registry('metric') | |