Create model.py
Browse files
model.py
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| 1 |
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import torch
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from transformers import (
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AutoTokenizer,
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AutoModelForSequenceClassification,
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pipeline
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)
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import logging
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logger = logging.getLogger(__name__)
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class AcoliModel:
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def __init__(self, model_path=None):
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self.model_path = model_path
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self.tokenizer = None
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self.model = None
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self.classifier = None
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if model_path:
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self.load_model(model_path)
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def load_model(self, model_path):
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"""Load a trained model"""
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try:
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self.tokenizer = AutoTokenizer.from_pretrained(model_path)
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self.model = AutoModelForSequenceClassification.from_pretrained(model_path)
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self.classifier = pipeline(
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"text-classification",
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model=self.model,
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tokenizer=self.tokenizer
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)
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logger.info(f"Model loaded successfully from {model_path}")
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except Exception as e:
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logger.error(f"Error loading model: {e}")
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raise
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def predict(self, text):
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"""Make prediction on input text"""
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if self.classifier is None:
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raise ValueError("Model not loaded. Call load_model() first.")
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return self.classifier(text)
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def predict_batch(self, texts):
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"""Make predictions on multiple texts"""
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if self.classifier is None:
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raise ValueError("Model not loaded. Call load_model() first.")
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return [self.classifier(text) for text in texts]
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def get_model_info(self):
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"""Get model information"""
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if self.model is None:
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return "Model not loaded"
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return {
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"model_type": type(self.model).__name__,
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"num_parameters": sum(p.numel() for p in self.model.parameters()),
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"model_path": self.model_path
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}
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# Example usage and convenience functions
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def load_acoli_model(model_path="./acoli-model"):
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"""Convenience function to load the Acoli model"""
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return AcoliModel(model_path)
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def create_training_instance():
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"""Create a training instance"""
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from Train import AcoliTrainer
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return AcoliTrainer()
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if __name__ == "__main__":
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# Example usage
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model = AcoliModel()
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# After training, you can load the model like this:
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# model.load_model("./acoli-model")
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# prediction = model.predict("Your Acoli text here")
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# print(prediction)
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print("Acoli model class ready for use!")
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