hungchiayu
commited on
Create handler.py
Browse files- handler.py +44 -0
handler.py
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from typing import Dict, List, Any
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from tangoflux import TangoFluxInference
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import torchaudio
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from huggingface_inference_toolkit.logging import logger
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class EndpointHandler():
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def __init__(self, path=""):
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# Preload all the elements you are going to need at inference.
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# pseudo:
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# self.model= load_model(path)
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self.model = TangoFluxInference(name='declare-lab/TangoFlux',device='cuda')
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def __call__(self, data: Dict[str, Any]) -> List[Dict[str, Any]]:
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"""
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data args:
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inputs (:obj: `str` | `PIL.Image` | `np.array`)
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kwargs
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Return:
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A :obj:`list` | `dict`: will be serialized and returned
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"""
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logger.info(f"Received incoming request with {data=}")
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if "inputs" in data and isinstance(data["inputs"], str):
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prompt = data.pop("inputs")
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elif "prompt" in data and isinstance(data["prompt"], str):
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prompt = data.pop("prompt")
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else:
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raise ValueError(
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"Provided input body must contain either the key `inputs` or `prompt` with the"
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" prompt to use for the audio generation, and it needs to be a non-empty string."
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)
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parameters = data.pop("parameters", {})
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num_inference_steps = parameters.get("num_inference_steps", 50)
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duration = parameters.get("duration", 10)
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guidance_scale = parameters.get("guidance_scale", 3.5)
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return self.model.generate(prompt,steps=num_inference_steps,
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duration=duration,
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guidance_scale=guidance_scale)
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