| # Copyright (c) OpenMMLab. All rights reserved. | |
| import torch.nn as nn | |
| from ..utils.registry import Registry | |
| MODEL_WRAPPERS = Registry('model_wrapper') | |
| def is_model_wrapper(model: nn.Module, registry: Registry = MODEL_WRAPPERS): | |
| """Check if a module is a model wrapper. | |
| Args: | |
| model (nn.Module): The model to be checked. | |
| registry (Registry): The parent registry to search for model wrappers. | |
| Returns: | |
| bool: True if the input model is a model wrapper. | |
| """ | |
| module_wrappers = tuple(registry.module_dict.values()) | |
| if isinstance(model, module_wrappers): | |
| return True | |
| if not registry.children: | |
| return False | |
| return any( | |
| is_model_wrapper(model, child) for child in registry.children.values()) | |