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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')
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