Delete handler.py
Browse files- handler.py +0 -41
handler.py
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import torch
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from transformers import AutoTokenizer, AutoModelForCausalLM
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class EndpointHandler:
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def __init__(self, model_dir):
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# Load tokenizer and model from the provided model directory
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self.tokenizer = AutoTokenizer.from_pretrained(model_dir, trust_remote_code=True)
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self.device = "cuda" if torch.cuda.is_available() else "cpu"
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torch_dtype = torch.float16 if self.device == "cuda" else torch.float32
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self.model = AutoModelForCausalLM.from_pretrained(
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model_dir,
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trust_remote_code=True,
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torch_dtype=torch_dtype,
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device_map="auto" if self.device == "cuda" else None
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)
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self.model.eval()
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def __call__(self, data):
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# Extract inputs and parameters from the request payload
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inputs = data.get("inputs", "")
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params = data.get("parameters", {})
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# Tokenize input
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input_ids = self.tokenizer.encode(inputs, return_tensors="pt").to(self.model.device)
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# Generate response
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with torch.no_grad():
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outputs = self.model.generate(
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input_ids,
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max_new_tokens=params.get("max_new_tokens", 256),
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temperature=params.get("temperature", 0.7),
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top_p=params.get("top_p", 0.95),
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top_k=params.get("top_k", 50),
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do_sample=params.get("do_sample", True)
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)
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# Decode and return
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response = self.tokenizer.decode(outputs[0], skip_special_tokens=True)
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return {"generated_text": response}
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