Delete rough.py
Browse files
rough.py
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import streamlit as st
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import os
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from openai import OpenAI
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import tempfile
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from langchain.chains import ConversationalRetrievalChain
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from langchain_openai import ChatOpenAI, OpenAIEmbeddings
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain_community.vectorstores import Chroma
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from langchain_community.document_loaders import (
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PyPDFLoader,
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TextLoader,
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CSVLoader
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)
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from datetime import datetime
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from pydub import AudioSegment
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import pytz
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from langchain.chains import ConversationalRetrievalChain
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from langchain.text_splitter import RecursiveCharacterTextSplitter
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from langchain_openai import ChatOpenAI, OpenAIEmbeddings
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from langchain_community.vectorstores import Chroma
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from langchain_community.document_loaders import PyPDFLoader, TextLoader, CSVLoader
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import os
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import tempfile
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from datetime import datetime
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import pytz
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class DocumentRAG:
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def __init__(self):
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self.document_store = None
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self.qa_chain = None
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self.document_summary = ""
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self.chat_history = []
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self.last_processed_time = None
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self.api_key = os.getenv("OPENAI_API_KEY") # Fetch the API key from environment variable
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self.init_time = datetime.now(pytz.UTC)
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if not self.api_key:
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raise ValueError("API Key not found. Make sure to set the 'OPENAI_API_KEY' environment variable.")
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# Persistent directory for Chroma to avoid tenant-related errors
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self.chroma_persist_dir = "./chroma_storage"
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os.makedirs(self.chroma_persist_dir, exist_ok=True)
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def process_documents(self, uploaded_files):
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"""Process uploaded files by saving them temporarily and extracting content."""
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if not self.api_key:
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return "Please set the OpenAI API key in the environment variables."
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if not uploaded_files:
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return "Please upload documents first."
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try:
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documents = []
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for uploaded_file in uploaded_files:
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# Save uploaded file to a temporary location
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temp_file_path = tempfile.NamedTemporaryFile(delete=False, suffix=os.path.splitext(uploaded_file.name)[1]).name
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with open(temp_file_path, "wb") as temp_file:
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temp_file.write(uploaded_file.read())
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# Determine the loader based on the file type
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if temp_file_path.endswith('.pdf'):
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loader = PyPDFLoader(temp_file_path)
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elif temp_file_path.endswith('.txt'):
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loader = TextLoader(temp_file_path)
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elif temp_file_path.endswith('.csv'):
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loader = CSVLoader(temp_file_path)
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else:
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return f"Unsupported file type: {uploaded_file.name}"
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# Load the documents
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try:
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documents.extend(loader.load())
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except Exception as e:
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return f"Error loading {uploaded_file.name}: {str(e)}"
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if not documents:
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return "No valid documents were processed. Please check your files."
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# Split text for better processing
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text_splitter = RecursiveCharacterTextSplitter(
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chunk_size=1000,
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chunk_overlap=200,
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length_function=len
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)
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documents = text_splitter.split_documents(documents)
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# Combine text for summary
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combined_text = " ".join([doc.page_content for doc in documents])
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self.document_summary = self.generate_summary(combined_text)
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# Create embeddings and initialize retrieval chain
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embeddings = OpenAIEmbeddings(api_key=self.api_key)
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self.document_store = Chroma.from_documents(
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documents,
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embeddings,
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persist_directory=self.chroma_persist_dir # Persistent directory for Chroma
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)
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self.qa_chain = ConversationalRetrievalChain.from_llm(
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ChatOpenAI(temperature=0, model_name='gpt-4', api_key=self.api_key),
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self.document_store.as_retriever(search_kwargs={'k': 6}),
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return_source_documents=True,
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verbose=False
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)
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self.last_processed_time = datetime.now(pytz.UTC)
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return "Documents processed successfully!"
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except Exception as e:
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return f"Error processing documents: {str(e)}"
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def generate_summary(self, text):
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"""Generate a summary of the provided text."""
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if not self.api_key:
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return "API Key not set. Please set it in the environment variables."
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try:
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client = OpenAI(api_key=self.api_key)
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response = client.chat.completions.create(
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model="gpt-4",
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messages=[
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{"role": "system", "content": "Summarize the document content concisely and provide 3-5 key points for discussion."},
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{"role": "user", "content": text[:4000]}
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],
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temperature=0.3
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)
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return response.choices[0].message.content
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except Exception as e:
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return f"Error generating summary: {str(e)}"
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def create_podcast(self):
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"""Generate a podcast script and audio based on the document summary."""
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if not self.document_summary:
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return "Please process documents before generating a podcast.", None
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if not self.api_key:
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return "Please set the OpenAI API key in the environment variables.", None
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try:
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client = OpenAI(api_key=self.api_key)
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# Generate podcast script
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script_response = client.chat.completions.create(
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model="gpt-4",
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messages=[
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{"role": "system", "content": "You are a professional podcast producer. Create a natural dialogue based on the provided document summary."},
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{"role": "user", "content": f"""Based on the following document summary, create a 1-2 minute podcast script:
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1. Clearly label the dialogue as 'Host 1:' and 'Host 2:'
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2. Keep the content engaging and insightful.
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3. Use conversational language suitable for a podcast.
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4. Ensure the script has a clear opening and closing.
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Document Summary: {self.document_summary}"""}
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],
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temperature=0.7
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)
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script = script_response.choices[0].message.content
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if not script:
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return "Error: Failed to generate podcast script.", None
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# Convert script to audio
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final_audio = AudioSegment.empty()
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is_first_speaker = True
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lines = [line.strip() for line in script.split("\n") if line.strip()]
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for line in lines:
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if ":" not in line:
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continue
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speaker, text = line.split(":", 1)
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if not text.strip():
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continue
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try:
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voice = "nova" if is_first_speaker else "onyx"
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audio_response = client.audio.speech.create(
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model="tts-1",
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voice=voice,
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input=text.strip()
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)
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temp_audio_file = tempfile.NamedTemporaryFile(delete=False, suffix=".mp3")
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audio_response.stream_to_file(temp_audio_file.name)
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segment = AudioSegment.from_file(temp_audio_file.name)
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final_audio += segment
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final_audio += AudioSegment.silent(duration=300)
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is_first_speaker = not is_first_speaker
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except Exception as e:
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print(f"Error generating audio for line: {text}")
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print(f"Details: {e}")
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continue
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if len(final_audio) == 0:
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return "Error: No audio could be generated.", None
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output_file = tempfile.NamedTemporaryFile(delete=False, suffix=".mp3").name
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final_audio.export(output_file, format="mp3")
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return script, output_file
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except Exception as e:
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return f"Error generating podcast: {str(e)}", None
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def generate_summary(self, text):
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"""Generate a summary of the provided text."""
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if not self.api_key:
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return "API Key not set. Please set it in the environment variables."
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try:
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client = OpenAI(api_key=self.api_key)
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response = client.chat.completions.create(
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model="gpt-4",
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messages=[
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{"role": "system", "content": "Summarize the document content concisely and provide 3-5 key points for discussion."},
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{"role": "user", "content": text[:4000]}
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],
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temperature=0.3
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)
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return response.choices[0].message.content
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except Exception as e:
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return f"Error generating summary: {str(e)}"
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def handle_query(self, question, history):
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"""Handle user queries."""
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if not self.qa_chain:
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return history + [("System", "Please process the documents first.")]
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try:
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preface = """
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Instruction: Respond in English. Be professional and concise, keeping the response under 300 words.
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If you cannot provide an answer, say: "I am not sure about this question. Please try asking something else."
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"""
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query = f"{preface}\nQuery: {question}"
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result = self.qa_chain({
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"question": query,
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"chat_history": [(q, a) for q, a in history]
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})
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if "answer" not in result:
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return history + [("System", "Sorry, an error occurred.")]
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history.append((question, result["answer"]))
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return history
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except Exception as e:
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return history + [("System", f"Error: {str(e)}")]
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# Initialize RAG system in session state
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if "rag_system" not in st.session_state:
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st.session_state.rag_system = DocumentRAG()
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# Sidebar
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with st.sidebar:
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st.title("About")
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st.markdown(
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"""
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This app is inspired by the [RAG_HW HuggingFace Space](https://huggingface.co/spaces/wint543/RAG_HW).
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It allows users to upload documents, generate summaries, ask questions, and create podcasts.
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"""
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)
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st.markdown("### Steps:")
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st.markdown("1. Upload documents.")
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st.markdown("2. Generate summaries.")
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st.markdown("3. Ask questions.")
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st.markdown("4. Create podcasts.")
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# Streamlit UI
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# Sidebar
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#with st.sidebar:
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#st.title("About")
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#st.markdown(
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#"""
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#This app is inspired by the [RAG_HW HuggingFace Space](https://huggingface.co/spaces/wint543/RAG_HW).
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#It allows users to:
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#1. Upload and process documents
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#2. Generate summaries
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#3. Ask questions
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#4. Create podcasts
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#"""
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#)
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# Main App
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st.title("Document Analyzer & Podcast Generator")
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# Step 1: Upload and Process Documents
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st.subheader("Step 1: Upload and Process Documents")
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uploaded_files = st.file_uploader("Upload files (PDF, TXT, CSV)", accept_multiple_files=True)
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if st.button("Process Documents"):
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if uploaded_files:
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# Process the uploaded files
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result = st.session_state.rag_system.process_documents(uploaded_files)
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if "successfully" in result:
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st.success(result)
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else:
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st.error(result)
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else:
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st.warning("No files uploaded.")
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# Step 2: Generate Summaries
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st.subheader("Step 2: Generate Summaries")
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st.write("Select Summary Language:")
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summary_language_options = ["English", "Hindi", "Spanish", "French", "German", "Chinese", "Japanese"]
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cols = st.columns(len(summary_language_options))
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# Default selected option
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summary_language = st.radio(
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"",
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summary_language_options,
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horizontal=True,
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key="summary_language"
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)
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if st.session_state.rag_system.document_summary:
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st.text_area("Document Summary", st.session_state.rag_system.document_summary, height=200)
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else:
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st.info("Please process documents first to generate summaries.")
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if st.button("Generate Summary"):
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st.session_state.rag_system.document_summary = st.session_state.rag_system.generate_summary(
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st.session_state.rag_system.document_summary,
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summary_language
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)
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# Step 3: Ask Questions
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st.subheader("Step 3: Ask Questions")
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st.write("Select Q&A Language:")
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qa_language_options = ["English", "Hindi", "Spanish", "French", "German", "Chinese", "Japanese"]
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qa_language = st.radio(
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"",
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qa_language_options,
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horizontal=True,
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key="qa_language"
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)
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if st.session_state.rag_system.qa_chain:
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history = []
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user_question = st.text_input("Ask a question:")
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if st.button("Submit Question"):
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# Handle the user query
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history = st.session_state.rag_system.handle_query(user_question, history, qa_language)
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| 338 |
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for question, answer in history:
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st.chat_message("user").write(question)
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st.chat_message("assistant").write(answer)
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else:
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st.info("Please process documents first to enable Q&A.")
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| 344 |
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# Step 4: Generate Podcast
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st.subheader("Step 4: Generate Podcast")
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st.write("Select Podcast Language:")
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| 347 |
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podcast_language_options = ["English", "Hindi", "Spanish", "French", "German", "Chinese", "Japanese"]
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podcast_language = st.radio(
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"",
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podcast_language_options,
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horizontal=True,
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key="podcast_language"
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)
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if st.session_state.rag_system.document_summary:
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if st.button("Generate Podcast"):
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script, audio_path = st.session_state.rag_system.create_podcast(podcast_language)
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if audio_path:
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st.text_area("Generated Podcast Script", script, height=200)
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st.audio(audio_path, format="audio/mp3")
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st.success("Podcast generated successfully! You can listen to it above.")
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else:
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st.error(script)
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else:
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st.info("Please process documents and generate summaries before creating a podcast.")
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