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Create app.py
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app.py
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import streamlit as st
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from sentence_transformers import SentenceTransformer
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from qdrant_client import models, QdrantClientS
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import pandas as pd
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from datasets import load_dataset
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#************************************************************* LOAD DATA
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data = load_dataset("ManuelAlv/academic_conuseling")
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# Main dataset
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bert_dataset = data['dataset'].to_pandas()
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# Dataset used to test the chatbot
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test_dataset = data['test'].to_pandas()
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test_dataset.columns = ["test_question", "original_question"]
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#************************************************************* Create Functions
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# function to add values
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def add_value(collection, key, value, id):
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encoder = SentenceTransformer(collection)
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qdrant.upsert(
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collection_name = collection,
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wait=True,
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points = [
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models.PointStruct(
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id = id,
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vector = encoder.encode(key).tolist(),
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payload = {
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'text': value,
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'question': key
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}
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)
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]
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)
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# Function to search for a value
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def search(collection, query):
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search = qdrant.search(
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collection_name = collection,
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query_vector = encoder.encode(query).tolist(),
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limit = 1
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)
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return search
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#************************************************************* Create VD
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# Create a local Vector Database
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qdrant = QdrantClient(":memory:")
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# Load the model
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model = "all-MiniLM-L6-v2"
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encoder = SentenceTransformer(model)
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# Create a collection for the model with its embeddings
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qdrant.recreate_collection(
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collection_name = model,
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vectors_config = models.VectorParams(
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size = encoder.get_sentence_embedding_dimension(),
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distance = models.Distance.COSINE
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)
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)
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# Add the data to model
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for index, row in bert_dataset.iterrows():
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key = row['question']
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value = row['answer']
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id = index + 1
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add_value(model, key, value, id)
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# ************************************************************* QUERY
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# Enter a question
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question = "I'm feeling sad and lonely"
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result = search(model, question)
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result = result[0].payload['text']
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def get_response(input):
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result = search(model, input)
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result = result[0].payload['text']
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return result
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st.set_page_config(page_title="RAG", page_icon="🧊", layout="wide")
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st.title("UniSA Academic Support")
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# with st.sidebar:
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# st.header("Settings")
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# st.text_input("Enter a website URL")
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if 'conversation_ended' not in st.session_state:
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st.session_state['conversation_ended'] = False
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if not st.session_state['conversation_ended']:
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with st.chat_message("AI"):
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st.write("Hi! I'm BrainHug AI, your supportive AI friend.")
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st.write("Feel free to chat with me at any time, just enter your question. If I can't answer, try rephrasing it again.")
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st.write("If you want to finish the conversation, just say BYE")
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user_q = st.chat_input("Start typing here")
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if user_q:
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if user_q.upper() == "BYE":
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st.session_state['conversation_ended'] = True
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with st.chat_message("AI"):
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st.write("Goodbye! Feel free to come back anytime.")
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st.stop()
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elif user_q is not None or user_q is "":
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response = get_response(user_q)
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with st.chat_message("Human"):
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st.write(user_q)
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with st.chat_message("AI"):
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st.write(response)
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else:
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st.write("The conversation has ended. Refresh the page to start over.")
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