Delete handler.py
Browse files- handler.py +0 -46
handler.py
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# handler.py
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import torch
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from transformers import AutoTokenizer, AutoModelForCausalLM
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from peft import PeftModel
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# Base model that your LoRA was trained on (must match training)
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BASE_MODEL = "deepseek-ai/DeepSeek-R1-Distill-Qwen-1.5B" # change if you trained on a different DeepSeek variant
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ADAPTER_PATH = "GilbertAkham/deepseek-R1-multitask-lora"
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class EndpointHandler:
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def __init__(self, path=""):
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print("🚀 Loading base model...")
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self.tokenizer = AutoTokenizer.from_pretrained(BASE_MODEL, trust_remote_code=True)
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# Load base model
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base_model = AutoModelForCausalLM.from_pretrained(
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BASE_MODEL,
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torch_dtype=torch.float16,
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device_map="auto",
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trust_remote_code=True
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)
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print(f"🔗 Attaching LoRA adapter from {ADAPTER_PATH}...")
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# Load the LoRA adapter properly
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self.model = PeftModel.from_pretrained(base_model, ADAPTER_PATH)
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self.model.eval()
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print("✅ Model + LoRA adapter loaded successfully.")
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def __call__(self, data):
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prompt = data.get("inputs", "")
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inputs = self.tokenizer(prompt, return_tensors="pt").to(self.model.device)
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with torch.no_grad():
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outputs = self.model.generate(
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**inputs,
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max_new_tokens=512,
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temperature=0.7,
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top_p=0.9,
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do_sample=True,
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pad_token_id=self.tokenizer.eos_token_id,
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eos_token_id=self.tokenizer.eos_token_id,
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)
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text = self.tokenizer.decode(outputs[0], skip_special_tokens=True)
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return {"generated_text": text}
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