Delete ultravox_pipeline.py
Browse files- ultravox_pipeline.py +0 -110
ultravox_pipeline.py
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import logging
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from typing import Any, Dict, List, Optional
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import transformers
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# We must use relative import in this directory to allow uploading to HF Hub
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from . import ultravox_model
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from . import ultravox_processing
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class UltravoxPipeline(transformers.Pipeline):
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def __init__(
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self,
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model: ultravox_model.UltravoxModel,
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tokenizer: Optional[transformers.PreTrainedTokenizerBase] = None,
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audio_processor: Optional[transformers.ProcessorMixin] = None,
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**kwargs
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):
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if tokenizer is None:
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tokenizer = transformers.AutoTokenizer.from_pretrained(
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model.config._name_or_path
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)
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if audio_processor is None:
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audio_processor = transformers.Wav2Vec2Processor.from_pretrained(
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model.config.audio_model_id
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)
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self.processor = ultravox_processing.UltravoxProcessor(
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audio_processor, tokenizer=tokenizer, stack_factor=model.config.stack_factor
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)
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super().__init__(model=model, tokenizer=tokenizer, **kwargs)
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def _sanitize_parameters(self, **kwargs):
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generation_kwargs = {}
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if "temperature" in kwargs:
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generation_kwargs["temperature"] = kwargs["temperature"]
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if "max_new_tokens" in kwargs:
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generation_kwargs["max_new_tokens"] = kwargs["max_new_tokens"]
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if "repetition_penalty" in kwargs:
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generation_kwargs["repetition_penalty"] = kwargs["repetition_penalty"]
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return {}, generation_kwargs, {}
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def preprocess(self, inputs: Dict[str, Any]):
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if "turns" in inputs:
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turns = inputs["turns"]
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else:
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prompt = inputs.get("prompt", "<|audio|>")
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if "<|audio|>" not in prompt:
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logging.warning(
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"Prompt does not contain '<|audio|>', appending '<|audio|>' to the end of the prompt."
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)
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prompt += " <|audio|>"
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turns = [{"role": "user", "content": prompt}]
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text = self.processor.tokenizer.apply_chat_template(turns, tokenize=False)
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# TODO: allow text-only mode?
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assert "audio" in inputs, "Audio input is required"
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if "sampling_rate" not in inputs:
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logging.warning(
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"No sampling rate provided, using default of 16kHz. We highly recommend providing the correct sampling rate."
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)
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return self.processor(
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text=text,
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audio=inputs["audio"],
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sampling_rate=inputs.get("sampling_rate", 16000),
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)
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def _forward(
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self,
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model_inputs: Dict[str, Any],
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temperature: Optional[float] = None,
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max_new_tokens: Optional[int] = None,
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repetition_penalty: float = 1.1,
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) -> List[int]:
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temperature = temperature or None
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do_sample = temperature is not None
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terminators = [self.tokenizer.eos_token_id]
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if "<|eot_id|>" in self.tokenizer.added_tokens_encoder:
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terminators.append(self.tokenizer.convert_tokens_to_ids("<|eot_id|>"))
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input_len = model_inputs["input_ids"].shape[1]
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outputs = self.model.generate(
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**model_inputs,
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do_sample=do_sample,
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temperature=temperature,
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max_new_tokens=max_new_tokens,
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repetition_penalty=repetition_penalty,
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eos_token_id=terminators
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)
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return outputs[0][input_len:]
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def postprocess(self, model_outputs) -> str:
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output_text = self.tokenizer.decode(model_outputs, skip_special_tokens=True)
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return output_text
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transformers.pipelines.PIPELINE_REGISTRY.register_pipeline(
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"ultravox-pipeline",
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pipeline_class=UltravoxPipeline,
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pt_model=ultravox_model.UltravoxModel,
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default={"pt": ("fixie-ai/ultravox-v0.2", "main")},
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type="multimodal",
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)
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