in src/smolagents/tools.py [0:0]
def setup(self):
"""
Instantiates the `pre_processor`, `model` and `post_processor` if necessary.
"""
if isinstance(self.pre_processor, str):
if self.pre_processor_class is None:
from transformers import AutoProcessor
self.pre_processor_class = AutoProcessor
self.pre_processor = self.pre_processor_class.from_pretrained(self.pre_processor, **self.hub_kwargs)
if isinstance(self.model, str):
self.model = self.model_class.from_pretrained(self.model, **self.model_kwargs, **self.hub_kwargs)
if self.post_processor is None:
self.post_processor = self.pre_processor
elif isinstance(self.post_processor, str):
if self.post_processor_class is None:
from transformers import AutoProcessor
self.post_processor_class = AutoProcessor
self.post_processor = self.post_processor_class.from_pretrained(self.post_processor, **self.hub_kwargs)
if self.device is None:
if self.device_map is not None:
self.device = list(self.model.hf_device_map.values())[0]
else:
from accelerate import PartialState
self.device = PartialState().default_device
if self.device_map is None:
self.model.to(self.device)
super().setup()