o ۷i@s0dZddlmZmZddlZGdddeZdS)z*Base scheduler class for diffusion models.)ABCabstractmethodNc@s|eZdZUdZejed<eed<eed<ddZe de dd fd d Z e dd d Z e ddejded BdejfddZ d S) BaseSchedulerz Abstract base class for schedulers. Subclasses must define: - timesteps: torch.Tensor - order: int - num_train_timesteps: int timestepsordernum_train_timestepscCs:gd}|D]}t||std|jjd|dqdS)N)rrrz Subclass z must define `z#` before calling super().__init__())hasattrAttributeError __class____name__)selfrequired_attrsattrr`/home/ubuntu/vllm_env/lib/python3.10/site-packages/vllm_omni/diffusion/models/schedulers/base.py__init__s zBaseScheduler.__init__shiftreturnNcCt)z*Set the shift parameter for the scheduler.NotImplementedError)r rrrr set_shift#zBaseScheduler.set_shiftcOr)z$Set the timesteps for the scheduler.r)r argskwargsrrr set_timesteps(rzBaseScheduler.set_timestepssampletimestepcCr)zScale the model input.r)r rrrrrscale_model_input-rzBaseScheduler.scale_model_input)rN)N)r __module__ __qualname____doc__torchTensor__annotations__intrrfloatrrrrrrrr s   &r)r!abcrrr"rrrrrs