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TechZone-Chatbot
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import streamlit as st
import random
import datetime
import time
import langchain
import tensorflow as tf
import pandas as pd
import numpy
import openai
from langchain.llms import OpenAI
from langchain.vectorstores import Chroma
from langchain.embeddings.openai import OpenAIEmbeddings
from langchain.chains import RetrievalQA
from langchain.chat_models import ChatOpenAI
from langchain.prompts import PromptTemplate
import streamlit.components.v1 as components
from scipy.io.wavfile import write
import wavio as wv
import sounddevice as sd
from openai import OpenAI
from pathlib import Path
import playsound
import os
from audio_recorder_streamlit import audio_recorder
from streamlit_extras.stylable_container import stylable_container
import pygame



client = OpenAI(api_key="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")



persist_directory = '/docs/chroma/chatbot2'

embedding = OpenAIEmbeddings(api_key="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")

vectordb = Chroma(persist_directory=persist_directory, embedding_function=embedding)

llm = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0, api_key="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")


st.markdown('<h1 style="font-family:Lora;color:darkred;text-align:center;">💬 TeeZee Chatbot</h1>',unsafe_allow_html=True)
st.markdown('<i><h3 style="font-family:Arial;color:darkred;text-align:center;font-size:20px;padding-left:50px">Your AI Assistant To Answer Queries!</h3><i>',unsafe_allow_html=True)

        

# voice = st.button("Voice chat")
# text = st.button("Text chat")


if "messages" not in st.session_state:
    st.session_state.messages = []

# Display chat messages from history on app rerun
for message in st.session_state.messages:
    with st.chat_message(message["role"]):
        st.markdown(message["content"])


# Accept user input

# if voice:
#     # freq = 44100 
#     # duration = 5
#     # recording = sd.rec(int(duration * freq), 
#     #                samplerate=freq, channels=2) 
#     # sd.wait()
#     # write("recording0.mp3", freq, recording)
#     # wv.write("recording1.mp3", recording, freq, sampwidth=2)

#     st.title("Audio Recorder")
#     with stylable_container(
#             key="bottom_content",
#             css_styles="""
#                 {
#                     position: fixed;
#                     bottom: 120px;
#                 }
#                 """,
#     ):
#         freq = 44100 
#         duration = 5
#         recording = sd.rec(int(duration * freq), 
#                 samplerate=freq, channels=2) 
#         sd.wait()
#         write("recording0.mp3", freq, recording)
#         wv.write("recording1.mp3", recording, freq, sampwidth=2)

#     #"🎙️ start", "🎙️ stop"
#     audio_file = open("recording1.mp3", "rb")
#     transcript = client.audio.transcriptions.create(
#     model="whisper-1", 
#     file=audio_file)

#     voice_prompt = transcript.text

#     # Add user message to chat history
#     st.session_state.messages.append({"role": "user", "content": voice_prompt})
#     # Display user message in chat message container
#     with st.chat_message("user"):
#         st.markdown(voice_prompt)
    

#     # Display assistant response in chat message container
#     with st.chat_message("assistant"):
#         message_placeholder = st.empty()
#         full_response = ""
        
#         template = """Use the following pieces of context to answer the question at the end. If you don't know the answer, just say that you don't know, don't try to make up an answer. Use three sentences maximum. Keep the answer as concise as possible.  
#         {context}
#         Question: {question}
#         Helpful Answer:"""
#         QA_CHAIN_PROMPT = PromptTemplate(input_variables=["context", "question"],template=template,)

#         # Run chain
#         qa_chain = RetrievalQA.from_chain_type(
#             llm,
#             retriever=vectordb.as_retriever(),
#             return_source_documents=True,
#             chain_type_kwargs={"prompt": QA_CHAIN_PROMPT}
#         )

#         result = qa_chain({"query": voice_prompt})

#         # Simulate stream of response with milliseconds delay
#         full_response += result["result"]
#         message_placeholder.markdown(full_response + "▌")
#         time.sleep(0.05)
#         message_placeholder.markdown(full_response)
#         time.sleep(0.05)
        
#         speech_file_path = os.path.join(persist_directory, "speech.mp3")
#         # speech_file_path = "speech.mp3"
#         response = client.audio.speech.create(
#         model="tts-1",
#         voice="alloy",
#         input=result["result"])
#         response.stream_to_file(speech_file_path)

#         # ...

#         # Play the 'speech.mp3' file using pygame
#         pygame.mixer.init()
#         pygame.mixer.music.load(speech_file_path)
#         pygame.mixer.music.play()

#         # Wait for the playback to finish
#         while pygame.mixer.music.get_busy():
#             pygame.time.delay(100)

#         # Cleanup
#         pygame.mixer.quit()

#     # Add assistant response to chat history

#     st.session_state.messages.append({"role": "assistant", "content": full_response})


# else:
if prompt  := st.chat_input("Hit me up with your queries!"):

    # Add user message to chat history
    st.session_state.messages.append({"role": "user", "content": prompt})
    # Display user message in chat message container
    with st.chat_message("user"):
        st.markdown(prompt)


    # Display assistant response in chat message container
    with st.chat_message("assistant"):
        message_placeholder = st.empty()
        full_response = ""
        
        template = """Use the following pieces of context to answer the question at the end. If you don't know the answer, just say that you don't know, don't try to make up an answer. Use three sentences maximum. Keep the answer as concise as possible.  
        {context}
        Question: {question}
        Helpful Answer:"""
        QA_CHAIN_PROMPT = PromptTemplate(input_variables=["context", "question"],template=template,)

        # Run chain
        qa_chain = RetrievalQA.from_chain_type(
            llm,
            retriever=vectordb.as_retriever(),
            return_source_documents=True,
            chain_type_kwargs={"prompt": QA_CHAIN_PROMPT}
        )

        result = qa_chain({"query": prompt})

        # Simulate stream of response with milliseconds delay
        full_response += result["result"]
        message_placeholder.markdown(full_response + "▌")
        time.sleep(0.05)
        message_placeholder.markdown(full_response)
    # Add assistant response to chat history

    st.session_state.messages.append({"role": "assistant", "content": full_response})