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from typing import Dict, List, Any
from transformers import AutoProcessor, MusicgenForConditionalGeneration
import torch
class EndpointHandler:
def __init__(self, path=""):
self.processor = AutoProcessor.from_pretrained(path)
self.model = MusicgenForConditionalGeneration.from_pretrained(path, torch_dtype=torch.float16).to("cuda")
def __call__(self, data: Dict[str, Any]) -> Dict[str, str]:
text_input = data.pop("inputs", data)
parameters = data.pop("parameters", None)
inputs = self.processor(
text = [text_input],
return_tensors="pt",
padding=True).to("cuda")
if parameters is not None:
with torch.autocast("cuda"):
outputs = self.model.generate(**inputs, **parameters)
else:
with torch.autocast("cuda"):
outputs = self.model.generate(**inputs)
prediction = outputs[0].cpu().numpy().tolist()
return [{"generated_audio": prediction}] |