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Create app.py

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  1. app.py +37 -0
app.py ADDED
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+ mport gradio as gr
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+ import numpy as np
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+ import pandas as pd
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+ from sklearn.metrics.pairwise import cosine_similarity
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+
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+ pt = pickle.load(open('pt.pkl', 'rb'))
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+ user_similarity_scores = pickle.load(open('user_similarity_scores.pkl', 'rb'))
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+
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+ def recommend_books_for_user(user_id):
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+ """Recommends books for a user based on collaborative filtering"""
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+ user_index = pt.columns.get_loc(user_id)
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+
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+ similar_users = sorted(list(enumerate(user_similarity_scores[user_index])), key=lambda x: x[1], reverse=True)[1:5]
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+
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+ recommended_books = []
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+
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+ for similar_user_index, similarity_score in similar_users:
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+ user_ratings = pt.iloc[:, user_index]
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+ similar_user_ratings = pt.iloc[:, similar_user_index]
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+
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+ unrated_books = similar_user_ratings[(user_ratings == 0) & (similar_user_ratings > 0)]
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+
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+ recommended_books.extend(unrated_books.index)
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+
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+ return recommended_books
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+
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+ def recommend_books_gradio(user_id):
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+ """Recommends books for a user based on collaborative filtering"""
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+ recommended_books = recommend_books_for_user(int(user_id))
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+ return recommended_books
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+
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+ interface = gr.Interface(fn=recommend_books_gradio,
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+ inputs=gr.Textbox(label="Enter User ID"),
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+ outputs=gr.List(label="Recommended Books"),
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+ title="Book Recommender System")
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+
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+ interface.launch()