Update handler.py
Browse files- handler.py +50 -50
handler.py
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import joblib
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import os
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import json
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class EndpointHandler:
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def __init__(self, model_dir):
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self.model_dir = model_dir
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self.vectorizer = joblib.load(os.path.join(model_dir, 'vectorizer.joblib'))
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self.model = joblib.load(os.path.join(model_dir, 'logistic_classifier.joblib'))
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# Verify that the tokenizer configuration is correct
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with open(os.path.join(model_dir, "tokenizer.json"), "r") as file:
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tokenizer_config = json.load(file)
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if tokenizer_config['tokenizer'] != 'split':
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raise ValueError("Tokenizer configuration does not match the expected tokenizer.")
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def predict_rating(self, review):
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review_tfidf = self.vectorizer.transform([review])
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predicted_rating = self.model.predict(review_tfidf)[0]
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return int(predicted_rating)
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def __call__(self, inputs):
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try:
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inputs_dict = json.loads(inputs)
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if 'review' not in inputs_dict:
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return json.dumps({"error": "No valid review provided"})
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review = inputs_dict['review']
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if not review:
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return json.dumps({"error": "No valid review provided"})
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predicted_rating = self.predict_rating(review)
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response = {
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"review": review,
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"predicted_rating": predicted_rating
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}
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return json.dumps(response)
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except json.JSONDecodeError:
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return json.dumps({"error": "Invalid JSON format"})
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except Exception as e:
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return json.dumps({"error": str(e)})
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handler = EndpointHandler("Dineflow/Restaurant-Feedback-Analysis-Model
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import joblib
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import os
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import json
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class EndpointHandler:
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def __init__(self, model_dir):
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self.model_dir = model_dir
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self.vectorizer = joblib.load(os.path.join(model_dir, 'vectorizer.joblib'))
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self.model = joblib.load(os.path.join(model_dir, 'logistic_classifier.joblib'))
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# Verify that the tokenizer configuration is correct
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with open(os.path.join(model_dir, "tokenizer.json"), "r") as file:
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tokenizer_config = json.load(file)
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if tokenizer_config['tokenizer'] != 'split':
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raise ValueError("Tokenizer configuration does not match the expected tokenizer.")
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def predict_rating(self, review):
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review_tfidf = self.vectorizer.transform([review])
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predicted_rating = self.model.predict(review_tfidf)[0]
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return int(predicted_rating)
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def __call__(self, inputs):
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try:
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inputs_dict = json.loads(inputs)
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if 'review' not in inputs_dict:
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return json.dumps({"error": "No valid review provided"})
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review = inputs_dict['review']
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if not review:
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return json.dumps({"error": "No valid review provided"})
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predicted_rating = self.predict_rating(review)
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response = {
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"review": review,
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"predicted_rating": predicted_rating
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}
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return json.dumps(response)
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except json.JSONDecodeError:
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return json.dumps({"error": "Invalid JSON format"})
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except Exception as e:
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return json.dumps({"error": str(e)})
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handler = EndpointHandler("Dineflow/Restaurant-Feedback-Analysis-Model")
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