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EbubeJohnEnyi
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Parent(s):
bfea49d
Upload ChatBot.py
Browse files- ChatBot.py +81 -0
ChatBot.py
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from flask import Flask, render_template, request
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from transformers import GPT2LMHeadModel, GPT2Tokenizer
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from sklearn.feature_extraction.text import CountVectorizer
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from sklearn.metrics.pairwise import cosine_similarity
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import json
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tokenizer = GPT2Tokenizer.from_pretrained('gpt2')
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model = GPT2LMHeadModel.from_pretrained('gpt2')
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json_file_path = 'interview-workspace\src\data\short_let_room.json'
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app = Flask(__name__)
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def generate_gpt2_response(question):
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input_ids = tokenizer.encode(question, return_tensors='pt')
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generated_output = model.generate(input_ids, max_length=len(input_ids[0]) + 100,
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num_beams=5,
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no_repeat_ngram_size=2,
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top_k=10,
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top_p=1,
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temperature=0.9,
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pad_token_id=model.config.eos_token_id)
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generated_response = tokenizer.decode(generated_output[0], skip_special_tokens=True)
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return generated_response
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def find_question_and_answer(json_file, question, input_ids):
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with open(json_file, "r") as json_file:
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data = json.load(json_file)
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quest = question.lower()
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all_questions = data.get("questions", [])
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all_response = data.get("responses", [])
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for dataset_question in all_questions:
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if 'question' in dataset_question and dataset_question['question'].lower() == quest:
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for dataset_response in all_response:
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if dataset_question['response_id'] == dataset_response['id']:
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response = {
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"Chat Bot ": dataset_response["response_message"],
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"Apartment ": dataset_response["response_message1"],
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"Address ": dataset_response["shortlet_Address"],
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"Price ": dataset_response["shortlet_Price"],
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"URL ": dataset_response.get("shortlet_url")
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}
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return response
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input_ids = tokenizer.encode(question, return_tensors='pt')
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generated_output = model.generate(input_ids, max_length=len(input_ids[0]) + 100,
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num_beams=5,
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no_repeat_ngram_size=2,
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top_k=10,
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top_p=1,
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temperature=0.9,
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pad_token_id=model.config.eos_token_id)
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generated_response = tokenizer.decode(generated_output[0], skip_special_tokens=True)
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return generated_response
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@app.route("/")
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def index():
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return render_template('index.html')
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@app.route('/ask', methods=['POST'])
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def ask():
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user_input = request.form['user_input']
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if not user_input:
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response = ""
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else:
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input_ids = tokenizer.encode(user_input, return_tensors='pt')
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response = find_question_and_answer(json_file_path, user_input, input_ids)
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if isinstance(response, dict):
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response_type = "mapping"
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else:
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response_type = "string"
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return render_template('index.html', user_input=user_input, response=response, response_type=response_type)
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if __name__ == '__main__':
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app.run(debug=True)
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