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